BLONDER TONGUE LABORATORIES INC
10-Q, 1999-08-13
RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  ------------

                                    FORM 10-Q


[X]  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1999,

                                       OR

[ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM ________ TO _________.

Commission file number 1-14120


                        BLONDER TONGUE LABORATORIES, INC.
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)


           Delaware                                      52-1611421
- -------------------------------            ------------------------------------
(State or other jurisdiction of            (I.R.S. Employer Identification No.)
incorporation or organization)

One Jake Brown Road, Old Bridge, New Jersey                08857
- -------------------------------------------              ----------
 (Address of principal executive offices)                (Zip Code)


Registrant's telephone number, including area code:  (732) 679-4000


Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days. Yes  X    No
                                       ---      ---

Number of shares of common stock, par value $.001, outstanding as of August 6,
1999: 7,541,803.

                      The Exhibit Index appears on page 13.


<PAGE>



               BLONDER TONGUE LABORATORIES, INC. AND SUBSIDIARIES

                           CONSOLIDATED BALANCE SHEETS
                    (In thousands, except per share amounts)

<TABLE>
<CAPTION>
                                                                                       June 30,     December 31,
                                                                                        1999            1998
                                                                                   --------------  --------------
                                                                                    (unaudited)
<S>                                                                                    <C>            <C>
              Assets (Note 4)

Current assets:
     Cash .......................................................................      $  1,009       $    542
     Accounts receivable, net of allowance for doubtful
     accounts of $1,319 and $1,201, respectively ................................        11,750         15,988
     Inventories (Note 2) .......................................................        23,556         24,540
     Other current assets .......................................................         1,580            597
     Deferred income taxes ......................................................         1,630          1,445
                                                                                       --------       --------
         Total current assets ...................................................        39,525         43,112
Property, plant and equipment, net of accumulated
    depreciation and amortization ...............................................         7,631          7,968
Patents, net ....................................................................         3,944          4,115
Goodwill, net ...................................................................        13,155         13,157
Other assets ....................................................................         1,539          1,299
                                                                                       --------       --------
                                                                                       $ 65,794       $ 69,651
                                                                                       ========       ========
              Liabilities and Stockholders' Equity

Current liabilities:
     Revolving line of credit (Note 4) ..........................................      $  3,015       $  1,827
     Current portion of long-term debt ..........................................         4,295         19,494
     Accounts payable ...........................................................         2,042          2,134
     Accrued compensation .......................................................         1,477          1,287
     Other accrued expenses .....................................................           541            933
     Income taxes ...............................................................           506            388
                                                                                       --------       --------
         Total current liabilities ..............................................        11,876         26,063
                                                                                       --------       --------
Deferred income taxes ...........................................................           161            227
Long-term debt (Note 4) .........................................................        17,829          2,865
Commitments and contingencies ...................................................          --             --
Stockholders' equity:
    Preferred stock, $.001 par value; authorized 5,000 shares;
    no shares outstanding .......................................................          --             --
    Common stock, $.001 par value; authorized 25,000 shares, 8,370 shares issued
    at June 30, 1999 and December 31, 1998 ......................................             8              8
    Paid-in capital .............................................................        23,754         23,743
    Retained earnings ...........................................................        18,372         17,596
    Treasury stock at cost, 831 shares at June 30, 1999 and 81 shares at December
    31, 1998 ....................................................................        (6,206)          (851)
                                                                                       --------       --------
         Total stockholders' equity .............................................        35,928         40,496
                                                                                       --------       --------
                                                                                       $ 65,794       $ 69,651
                                                                                       ========       ========
</TABLE>

          See accompanying notes to consolidated financial statements.

                                       2
<PAGE>


               BLONDER TONGUE LABORATORIES, INC. AND SUBSIDIARIES

                       CONSOLIDATED STATEMENTS OF EARNINGS
                    (In thousands, except per share amounts)
                                   (unaudited)


<TABLE>
<CAPTION>
                                                Three Months Ended June 30,    Six Months Ended June 30,
                                                ---------------------------    -------------------------
                                                    1999           1998           1999           1998
                                                  --------       --------       --------       --------
<S>                                               <C>            <C>            <C>            <C>
Net sales ...................................     $ 14,656       $ 20,525       $ 28,412       $ 35,644
Cost of goods sold ..........................        9,890         13,786         18,880         23,810
                                                  --------       --------       --------       --------
  Gross profit ..............................        4,766          6,739          9,532         11,834
                                                  --------       --------       --------       --------
Operating expenses:
  Selling expenses ..........................        1,480          1,096          2,885          2,408
  General and administrative ................        1,746          1,694          3,401          3,102
  Research and development ..................          556            550          1,081          1,127
                                                  --------       --------       --------       --------
                                                     3,782          3,340          7,367          6,637
                                                  --------       --------       --------       --------
Earnings from operations ....................          984          3,399          2,165          5,197
                                                  --------       --------       --------       --------

Other income (expense):
  Interest expense ..........................         (444)          (438)          (900)          (562)
  Other income ..............................            5           --                6              1
                                                  --------       --------       --------       --------
                                                      (439)          (438)          (894)          (561)
                                                  --------       --------       --------       --------
Earnings before income taxes ................          545          2,961          1,271          4,636
Provision for income taxes ..................          212          1,185            495          1,855
                                                  --------       --------       --------       --------
  Net earnings ..............................     $    333       $  1,776       $    776       $  2,781
                                                  ========       ========       ========       ========
Basic net earnings per share ................     $   0.04       $   0.21       $   0.09       $   0.34
                                                  ========       ========       ========       ========
Basic weighted average shares outstanding ...        8,280          8,321          8,285          8,282
                                                  ========       ========       ========       ========
Diluted net earnings per share ..............     $   0.04       $   0.21       $   0.09       $   0.33
                                                  ========       ========       ========       ========
Diluted weighted average shares outstanding..        8,328          8,468          8,329          8,441
                                                  ========       ========       ========       ========
</TABLE>



          See accompanying notes to consolidated financial statements.


                                       3

<PAGE>

               BLONDER TONGUE LABORATORIES, INC. AND SUBSIDIARIES

                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (In thousands)
                                   (unaudited)



<TABLE>
<CAPTION>
                                                                       Six Months Ended June 30,
                                                                       -------------------------
                                                                          1999           1998
                                                                        --------       --------
<S>                                                                     <C>            <C>
Cash Flows From Operating Activities:
  Net earnings ...................................................      $    776       $  2,781
  Adjustments to reconcile net earnings to cash
    provided by operating activities:
    Depreciation and amortization ................................         1,419            968
    Provision for doubtful accounts ..............................           370            618
    Deferred income taxes ........................................          (251)          (517)
  Changes in operating assets and liabilities, net of acquisition:
    Accounts receivable ..........................................         3,868         (5,114)
    Inventories ..................................................           984            (77)
    Other current assets .........................................          (983)        (2,041)
    Other assets .................................................          (873)          (416)
    Income taxes .................................................           118          1,395
    Accounts payable and accrued expenses ........................          (295)         3,758
                                                                        --------       --------
      Net cash provided by operating activities ..................         5,133          1,355
                                                                        --------       --------
Cash Flows From Investing Activities:
  Capital expenditures ...........................................          (276)          (399)
  Acquisition of business ........................................          --          (19,000)
                                                                        --------       --------
    Net cash used in investing activities ........................          (276)       (19,399)
                                                                        --------       --------
Cash Flows From Financing Activities:
  Net borrowings under revolving line of credit ..................         1,188          1,097
  Proceeds from long-term debt ...................................            10         19,199
  Repayments of long-term debt ...................................          (244)        (1,654)
  Acquisition of treasury stock ..................................        (5,355)          --
  Proceeds from exercise of stock options ........................            11            140
                                                                        --------       --------
    Net cash (used in) provided by financing activities ..........        (4,390)        18,782
                                                                        --------       --------
Net Increase In Cash .............................................           467            738
Cash, beginning of period ........................................           542            555
                                                                        ========       ========
Cash, end of period ..............................................      $  1,009       $  1,293
                                                                        ========       ========
Supplemental Cash Flow Information:
  Cash paid for interest .........................................      $    456       $    424
  Cash paid for income taxes .....................................      $    607       $    976
Schedule of noncash investing and financing activities:
  Common stock issued for acquired business ......................          --         $  1,000
 Warrants issued for acquired business ...........................          --         $    775
                                                                        ========       ========
</TABLE>


          See accompanying notes to consolidated financial statements.

                                       4


<PAGE>

               BLONDER TONGUE LABORATORIES, INC. AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (unaudited)

Note 1 - Company and Basis of Presentation

     Blonder Tongue Laboratories, Inc. (the "Company") is a manufacturer of
television and satellite signal distribution equipment supplied to the private
cable television and broadcast industries. The consolidated financial statements
include the accounts of Blonder Tongue Laboratories, Inc. and subsidiaries.
Significant intercompany accounts and transactions have been eliminated in
consolidation.

     The results for the second quarter of 1999 are not necessarily indicative
of the results to be expected for the full fiscal year and have not been
audited. In the opinion of management, the accompanying unaudited consolidated
financial statements contain all adjustments, consisting only of normal
recurring accruals, necessary for a fair statement of the results of operations
for the period presented and the consolidated balance sheet at June 30, 1999.
Certain information and footnote disclosure normally included in financial
statements prepared in accordance with generally accepted accounting principles
have been condensed or omitted pursuant to the SEC rules and regulations. These
financial statements should be read in conjunction with the financial statements
and notes thereto that were included in the Company's latest annual report on
Form 10-K.

Note 2 - Effect of New Accounting Pronouncements

     In June 1998, SFAS 133, "Accounting for Derivative Instruments and Hedging
Activities," was issued. SFAS 133 standardizes accounting and reporting for
derivative instruments and for hedging activities. This statement is effective
in the year 2001. The Company will be reviewing this pronouncement to determine
its applicability to the Company, if any.

Note 3 - Inventories

        Inventories are summarized as follows:

                                                June 30, 1999     Dec. 31, 1998
                                                         (In thousands)
                                                  -------            -------
Raw Materials ........................            $ 8,873            $ 9,550
Work in process ......................              2,886              2,463
Finished Goods .......................             11,797             12,527
                                                  -------            -------
                                                  $23,556            $24,540
                                                  =======            =======

Note 4 - Line of Credit

     In February 1999, the Company executed a new $15 million revolving line of
credit with its bank, on which funds may be borrowed at LIBOR plus a margin
ranging from .75% to 2.25%, depending upon the calculation of certain financial
covenants (7.58% at June 30, 1999). As of June 30, 1999, the Company had
$3,015,000 outstanding under the line of credit. The line of credit is
collateralized by a security interest in all of the Company's assets. The
agreement contains restrictions that require the Company to maintain certain
financial ratios as well as restrictions on the payment of dividends. In
addition, the Company has a $20 million acquisition loan commitment which may be
drawn upon by the Company to finance acquisitions in accordance with certain
terms. Funds may be borrowed under the acquisition loan commitment at LIBOR plus
a margin ranging from 1.05% to 2.55%, depending upon the calculation of certain
financial covenants (7.88% at June 30, 1999). At June 30, 1999, there was $19
million outstanding under the acquisition loan commitment related to the
acquisition of the interdiction business of Scientific-Atlanta, Inc. (the "S-A
Term Loan"). The principal balance of the S-A Term Loan is being amortized over
59 consecutive monthly installments of $366,666.67 commencing June 1, 1999, with
a final principal payment of $316,666.47 due on May 1, 2004.

     As a result of the Company's financial performance for the first half of
1999 as well as the capital expended by the Company in connection with a self
tender offer conducted during this period, the Company was unable to meet a
certain financial covenant with its bank at June 30, 1999, compliance with which
was waived by the bank as of such date. Coincident with obtaining the waiver by
the bank, the Company agreed to reduce its revolving line of credit to $5
million. The line of credit and the Company's ability to draw additional
advances against the acquisition loan commitment expire on September 30, 1999.
The Company anticipates that it will conclude negotiations with its bank and
obtain a renewal of its credit facilities prior to September 30, 1999.


                                       5

<PAGE>


               BLONDER TONGUE LABORATORIES, INC. AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (unaudited)

Note 5 - Stockholders' Equity

     On May 17, 1999, the Company commenced a self tender offer to purchase
750,000 shares of its common stock at a purchase price ranging from $6.00 to
$8.00 per share. As of June 22, 1999, approximately 1,600,000 shares were
tendered and the Company accepted 750,000 shares for purchase at a price of
$7.00 per share. The stock repurchase was funded by a combination of the
Company's cash on hand and borrowings against its revolving line of credit.

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
        RESULTS OF OPERATIONS

Forward-Looking Statements

     In addition to historical information, this Quarterly Report contains
forward-looking statements relating to such matters as anticipated financial
performance, business prospects, technological developments, new products,
research and development activities and similar matters. The Private Securities
Litigation Reform Act of 1995 provides a safe harbor for forward-looking
statements. In order to comply with the terms of the safe harbor, the Company
notes that a variety of factors could cause the Company's actual results and
experience to differ materially from the anticipated results or other
expectations expressed in the Company's forward-looking statements. The risks
and uncertainties that may affect the operation, performance, development and
results of the Company's business include, but are not limited to, those matters
discussed herein in the sections entitled Part I, Item 2 - Management's
Discussion and Analysis of Financial Condition and Results of Operations. The
words "believe", "expect", "anticipate", "project" and similar expressions
identify forward-looking statements. Readers are cautioned not to place undue
reliance on these forward-looking statements, which reflect management's
analysis only as of the date hereof. Blonder Tongue undertakes no obligation to
publicly revise these forward-looking statements to reflect events or
circumstances that arise after the date hereof. Readers should carefully review
the risk factors described in other documents the Company files from time to
time with the Securities and Exchange Commission, including without limitation,
the Company's Annual Report on Form 10-K for the year ended December 31, 1998
(See Item 1: Business and Item 7: Management's Discussion and Analysis of
Financial Condition and Results of Operations).

Second three months of 1999 Compared with second three months of 1998

     Net Sales. Net sales decreased $5,869,000, or 28.6%, to $14,656,000 in the
second three months of 1999 from $20,525,000 in the second three months of 1998.
The decrease in sales is primarily attributed to a decrease in demand for
products in the multiple dwelling unit, and hotel, motel and resorts markets,
including a decrease in sales of interdiction equipment. Net sales included
approximately $2,635,000 of interdiction equipment for the second three months
of 1999 compared to approximately $7,085,000 for the second three months of
1998. The substantially higher sales of interdiction equipment during 1998 are
primarily attributed to filling backlog orders acquired from Scientific-Atlanta,
Inc. in connection with the acquisition of its interdiction business at the end
of the first quarter of 1998.

     Cost of Goods Sold. Cost of goods sold decreased to $9,890,000 for the
second three months of 1999 from $13,786,000 for the second three months of 1998
but increased as a percentage of sales to 67.5% from 67.2%. The increase as a
percentage of sales was caused primarily by a higher proportion of sales during
the period being comprised of lower margin products.

     Selling Expenses. Selling expenses increased to $1,480,000 for the second
three months of 1999 from $1,096,000 in the second three months of 1998, due to
an increase in salary and employee benefit expenses as a result of an increase
in headcount, along with an increase in commissions related to sales achieved by
the Company's new telemarketing representatives and marketing related expenses.


                                       6

<PAGE>


     General and Administrative Expenses. General and administrative expenses
increased to $1,746,000 for the second three months of 1999 from $1,694,000 for
the second three months of 1998 and also increased as a percentage of sales to
11.9% for the second three months of 1999 from 8.3% for the second three months
of 1998. The $52,000 increase can be attributed to an increase in wages and
employee benefit expenses, along with an increase in the amortization of
intangibles related to the acquisition of the interdiction business of
Scientific-Atlanta, Inc. offset by a decrease in the allowance for doubtful
accounts.

     Research and Development Expenses. Research and development expenses
increased to $556,000 in the second three months of 1999 from $550,000 in the
second three months of 1998, and increased as a percentage of sales to 3.8% from
2.7%. The increase can be attributed to an increase in wages and employee
benefit expenses offset by a decrease in amortization of licenses.

     Operating Income. Operating income decreased 71% to $984,000 for the second
three months of 1999 from $3,399,000 for the second three months of 1998.
Operating income as a percentage of sales decreased to 6.7% in the second three
months of 1999 from 16.6% in the second three months of 1998.

     Interest and Other Expenses. Other expense, net, increased to $439,000 in
the second three months of 1999 from $438,000 in the second three months of
1998. These expenses in the second three months of 1999 consisted of interest
expense in the amount of $444,000 offset by $5,000 of interest income. These
expenses in the second three months of 1998 consisted of interest expense in the
amount of $438,000.

     Income Taxes. The provision for income taxes for the second three months of
1999 decreased to $212,000 from $1,185,000 for the second three months of 1998
as a result of a decrease in taxable income.

First six months of 1999 Compared with first six months of 1998

     Net Sales. Net sales decreased $7,232,000, or 20.3%, to $28,412,000 in the
first six months of 1999 from $35,644,000 in the first six months of 1998. The
decrease in sales is primarily attributed to a decrease in demand in the
multiple dwelling unit, hotel, motel and resorts markets, including a decrease
in sales of interdiction equipment. Net sales included approximately $5,047,000
of interdiction equipment for the first six months of 1999 compared to
approximately $10,007,000 for the first six months of 1998. The substantially
higher sales of interdiction equipment during 1998 are primarily attributed to
filling backlog orders acquired from Scientific-Atlanta, Inc. in connection with
the acquisition of its interdiction business at the end of the first quarter of
1998.

     Cost of Goods Sold. Cost of goods sold decreased to $18,880,000 for the
first six months of 1999 from $23,810,000 for the first six months of 1998 and
decreased as a percentage of sales to 66.5% from 66.8%. The decrease as a
percentage of sales was caused primarily by a greater proportion of sales during
the period being comprised of higher margin products.

     Selling Expenses. Selling expenses increased to $2,885,000 in the first six
months of 1999 from $2,408,000 in the first six months of 1998, due to an
increase in salary and employee benefit expenses as a result of an increase in
headcount, along with an increase in marketing related expenses, offset by a
decrease in commissions due to the reduction in the number of sales
representatives.

     General and Administrative Expenses. General and administrative expenses
increased to $3,401,000 in the first six months of 1999 from $3,102,000 for the
first six months of 1998 and increased as a percentage of sales to 12.0% in the
first six months of 1999 from 8.7% for the first six months of 1998. The
$299,000 increase can be attributed to an increase in the amortization of
intangibles related to the acquisition of the interdiction business of
Scientific-Atlanta, Inc. offset by a decrease in the allowance for doubtful
accounts.

     Research and Development Expenses. Research and development expenses
decreased 4.1% to $1,081,000 in the first six months of 1999 from $1,127,000 in
the first six months of 1998 but increased as a percentage of sales to 3.8% from
3.2%. The decrease was primarily attributable to a decrease in amortization of
licenses and wages and employee benefit expenses.


                                       7

<PAGE>


     Operating Income. Operating income decreased 58.3% to $2,165,000 for the
first six months of 1999 from $5,197,000 for the first six months of 1998.
Operating income as a percentage of sales decreased to 7.6% in the first six
months of 1999 from 14.6% in the first six months of 1998.

     Interest and Other Expenses. Other expense, net, increased to $894,000 in
the first six months of 1999 from $561,000 in the first six months of 1998.
These expenses in the first six months of 1999 consisted of interest expense of
$900,000 offset by interest income of $6,000. These expenses in the first six
months of 1998 consisted of interest expense in the amount of $562,000, offset
by interest income of $1,000.

     Income Taxes. The provision for income taxes for the first six months of
1999 decreased to $495,000 from $1,855,000 for the first six months of 1998 as a
result of a decrease in taxable income.

Liquidity and Capital Resources

     The Company's net cash provided by operating activities for the six-month
period ended June 30, 1999 was $5,133,000, compared to cash provided by
operating activities for the six-month period ended June 30, 1998, which was
$1,355,000. Cash flows from operating activities have been positive, due
primarily to net earnings of $776,000, a $3,868,000 decrease in accounts
receivable and a $984,000 decrease in inventory.

     Cash used in investing activities was $276,000, which was attributable to
capital expenditures for new equipment. The Company anticipates additional
capital expenditures during calendar year 1999 aggregating approximately
$1,000,000, which will be used for the purchase of automated assembly and test
equipment.

     Cash used in financing activities was $4,390,000 for the first six months
of 1999 primarily comprised of $5,355,000 related to the acquisition of treasury
stock in connection with the Company's self tender offset by $1,188,000 of
borrowings under the revolving line of credit.

     In February 1999, the Company executed a new loan agreement providing for a
$15 million revolving line of credit with its bank, on which funds may be
borrowed at LIBOR plus a margin ranging from .75% to 2.25%, depending upon the
calculation of certain financial covenants (7.58% at June 30, 1999). As of June
30, 1999, the Company had $3,015,000 outstanding under the line of credit. The
line of credit is collateralized by a security interest in all of the Company's
assets. The agreement contains restrictions that require the Company to maintain
certain financial ratios as well as restrictions on the payment of dividends. In
addition, the Company has a $20 million acquisition loan commitment which may be
drawn upon by the Company to finance acquisitions in accordance with certain
terms. Funds may be borrowed under the acquisition loan commitment at LIBOR plus
a margin ranging from 1.05% to 2.55%, depending upon the calculation of certain
financial covenants (7.88% at June 30, 1999). At June 30, 1999, there was $19
million outstanding under the acquisition loan commitment related to the
acquisition of the interdiction business of Scientific-Atlanta, Inc. (the "S-A
Term Loan"). The principal balance of the S-A Term Loan is being amortized over
59 consecutive monthly installments of $366,666.67 commencing June 1, 1999, with
a final principal payment of $316,666.47 due on May 1, 2004.

     On May 17, 1999, the Company commenced a self tender offer to purchase
750,000 shares of its common stock at a purchase price ranging from $6.00 to
$8.00 per share. As of June 22, 1999, approximately 1,600,000 shares were
tendered and the Company accepted 750,000 shares for purchase at a price of
$7.00 per share. The stock repurchase was funded by a combination of the
Company's cash on hand and borrowings against its revolving line of credit.

     As a result of the Company's financial performance for the first half of
1999 and the capital expended in connection with the self tender, the Company
was unable to meet a certain financial covenant with its bank at June 30, 1999,
compliance with which was waived by the bank as of such date. Coincident with
obtaining the waiver by the bank, the Company agreed to reduce its revolving
line of credit to $5 million. The line of credit and the Company's ability to
draw additional advances against the acquisition loan commitment expire on
September 30, 1999. The Company anticipates that it will conclude negotiations
with its bank and obtain a renewal of its credit facilities prior to September
30, 1999.

     The Company currently anticipates that the cash generated from operations,
existing cash balances and amounts available under its existing line of credit,
will be sufficient to satisfy its foreseeable working capital needs.
Historically, the Company has satisfied its cash requirements primarily from net
cash provided by operating activities and from borrowings under its line of
credit.


                                       8

<PAGE>


New Accounting Pronouncements

     In June 1998, SFAS 133, "Accounting for Derivative Instruments and Hedging
Activities," was issued. SFAS 133 standardizes accounting and reporting for
derivative instruments and for hedging activities. This statement is effective
in the year 2001. The Company will be reviewing this pronouncement to determine
its applicability to the Company, if any.

Year 2000

     The Company has designated certain individuals as responsible for
identification and correction of Year 2000 compliance issues. Since 1998,
information technology ("IT") systems with non-compliant code have been modified
or replaced with systems that are Year 2000 compliant. Similar actions have been
taken with respect to non-IT systems, primarily systems embedded in
manufacturing equipment and the Company's products. The Company has also
investigated the readiness of suppliers, customers and other third parties and
developed contingency plans where necessary.

     As of June 30, 1999, all IT systems were inventoried and assessed for
compliance, and detailed plans were implemented for required system
modifications or replacements. Remediation and testing activities have been
completed with 100% of the systems in compliance. Inventories and assessments of
non-IT systems have also been completed.

     The Company has identified critical suppliers, customers and other third
parties and has surveyed their Year 2000 remediation programs. Risk assessments
and contingency plans were finalized in the first quarter of 1999.

     Incremental costs directly related to Year 2000 issues were approximately
$300,000 between 1998 and the end of the second quarter of 1999. Approximately
90% of the total estimated spending represents costs to modify existing systems.
Costs incurred prior to 1998 were immaterial. This estimate assumes that the
Company will not incur significant Year 2000 related costs on behalf of
suppliers, customers or other third parties.

     The Company's most likely potential risk resulting from Year 2000 issues is
the inability of some customers to order and pay on a timely basis. In addition,
the Company has several foreign suppliers, which, if not in compliance, would
cause the Company to utilize more expensive suppliers resulting in reduced
margins. The Company's contingency plans for Year 2000-related interruptions
include, but are not limited to, the development of emergency backup and
recovery procedures, remediation of existing systems parallel with installation
of new systems and identification of alternate suppliers. All plans were
completed by the end of the second quarter of 1999.

     The Company's Year 2000 efforts are ongoing and its overall plan, as well
as the consideration of contingency plans, will continue to evolve as new
information becomes available. While the Company anticipates no major
interruption of its business activities, that will be dependent in part upon the
ability of third parties to properly remediate their IT and non-IT systems in a
timely manner. Although the Company has implemented the actions described above
to address third party issues, it has no ability to influence the compliance
actions of such parties. Accordingly, while the Company believes its actions in
this regard should have the effect of reducing Year 2000 risks, it is unable to
eliminate them or estimate the ultimate effect Year 2000 risks will have on the
Company's operating results.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

     The market risk inherent in the Company's financial instruments and
positions represents the potential loss arising from adverse changes in interest
rates. At June 30, 1999 and 1998, the principal amount of the Company's
aggregate outstanding variable rate indebtedness was $22,015,000 and
$20,097,000, respectively. Without giving effect to the swap agreement described
below, a hypothetical 10% adverse change in interest rates would have had an
annualized unfavorable impact of approximately $175,000 and $156,000,
respectively, on the Company's earnings and cash flows based upon these
quarter-end debt levels.

     To ameliorate these risks, in February, 1999, the Company entered into an
interest rate swap agreement with a notional amount of $10,000,000. The swap
agreement has a maturity date of June 3, 2002 and requires the Company to make
fixed rate interest payments on the notional amount of 8.01% per annum in
exchange for its receipt from the swap counterparties of floating rate payments
equal to LIBOR plus 2.55%. The Company is


                                       9

<PAGE>


exposed to credit risk in the unlikely event that the swap counterparties
default on their payment obligations to the Company under the swap agreement.
Interest to be paid or received is accrued over the life of the agreement at the
net effective interest rate for the swap agreement and corresponding debt
instrument.


                           PART II - OTHER INFORMATION

ITEM 1.  LEGAL PROCEEDINGS

     The Company is a party to certain proceedings incidental to the ordinary
course of its business, none of which, in the current opinion of management, is
likely to have a material adverse effect on the Company's business, financial
condition or results of operations.

ITEM 2.  CHANGES IN SECURITIES AND USE OF PROCEEDS

         None.

ITEM 3.  DEFAULTS UPON SENIOR SECURITIES

         None.

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

     The Company held its Annual Meeting of Stockholders (the "Meeting") on May
6, 1999. The Company solicited proxies in connection with the Meeting. At the
record date of the Meeting (March 23, 1999), there were 8,289,797 shares of
Common Stock outstanding and entitled to vote. The following were the matters
voted upon at the Meeting:

     1. Election of Directors. The following directors were elected at the
Meeting: James A. Luksch, John E. Dwight and Robert E. Heaton. The number of
votes cast for and withheld from each director are as follows:

           DIRECTORS                        FOR                        WITHHELD
           ---------                        ---                        --------

           James A. Luksch                  8,049,302                  17,815
           John E. Dwight                   8,049,402                  17,715
           Robert E. Heaton                 8,049,402                  17,715

          Robert J. Palle, Jr., James H. Williams, James F. Williams, Robert B.
          Mayer and Gary P. Scharmett continued as directors after the meeting.

     2. Ratification of Auditors. The appointment of BDO Seidman, LLP as the
Company's independent auditors for the year ending December 31, 1999 was
ratified by the following vote of Common Stock:

                   FOR              AGAINST           ABSTAIN
                   ---              -------           -------

                   8,055,392        6,075             5,650


                                       10
<PAGE>

ITEM 5.  OTHER INFORMATION

         None.

ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K

(a)      Exhibits

The exhibits are listed in the Exhibit Index appearing at page 13 herein.

(b)      No reports on Form 8-K were filed in the quarter ended June 30, 1999.



                                       11
<PAGE>



                                                    SIGNATURES

     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

                       BLONDER TONGUE LABORATORIES, INC.,

Date:    August 13, 1999



                       By:  /s/ James A. Luksch
                            -----------------------
                            James A. Luksch
                            President and Chief Executive Officer


                       By:  /s/ Peter Pugielli
                            -----------------------
                            Peter Pugielli, Senior Vice President - Finance
                            (Principal Financial Officer)



                                       12
<PAGE>

<TABLE>
<CAPTION>

                                          EXHIBIT INDEX

  Exhibit #                                Description                           Location
  ---------                                -----------                           --------
  <S>          <C>                                                      <C>
     3.1       Restated Certificate of Incorporation of Blonder         Incorporated by reference from Exhibit 3.1
               Tongue Laboratories, Inc.                                to S-1 Registration Statement No. 33-98070
                                                                        originally filed October 12, 1995, as
                                                                        amended.

     3.2       Restated Bylaws of Blonder Tongue Laboratories,          Incorporated by reference from Exhibit 3.2
               Inc.                                                     to S-1 Registration Statement No. 33-98070
                                                                        originally filed October 12, 1995, as
                                                                        amended.

    10.1       Fourth Amended and Restated Loan Agreement dated         Filed herewith.
               as of February 1, 1999 between First Union
               National Bank ("First Union") and the Company

    10.2       Second Allonge to Acquisition Loan Note dated as         Filed herewith.
               of February 1, 1999

    10.3       Fourth Amended and Restated Line of Credit Note          Filed herewith.
               dated as of February 1, 1999

    10.4       Second Allonge to Real Estate Note dated as of           Filed herewith.
               February 1, 1999

    10.5       Second Amended and Restated Security Agreement           Filed herewith.
               dated as of February 1, 1999 between First Union
               and the Company

    10.6       Amended and Restated Patent Security Agreement           Filed herewith.
               dated as of February 1, 1999 between First Union
               and the Company

     27        Financial Data Schedule                                  Electronic Filing only.

</TABLE>



                                       13



                   FOURTH AMENDED AND RESTATED LOAN AGREEMENT

     This FOURTH AMENDED AND RESTATED LOAN AGREEMENT ("Agreement"), dated as of
February 1, 1999 is between FIRST UNION NATIONAL BANK, a national banking
association (the "Bank"), and BLONDER TONGUE LABORATORIES, INC., a Delaware
corporation (the "Borrower").

                                   BACKGROUND

     A. The Bank, as successor-in-interest to CoreStates Bank, N.A. and the
Borrower are parties to a Third Amended and Restated Loan Agreement dated
October 29, 1997 (as amended, modified and/or extended, the "Existing Loan
Agreement"). CoreStates Bank, N.A. and the Bank have merged and the Bank has
succeeded to all the rights and liabilities of CoreStates Bank under the
Existing Loan Agreement.

     B. In accordance with the terms of the Existing Loan Agreement, the Bank
has extended to the Borrower (i) a line of credit in the maximum principal
amount of Fifteen Million Dollars ($15,000,000) (the "Existing Line of Credit")
which line of credit is further evidenced by a certain Third Amended and
Restated Line of Credit Note made by the Borrower in favor of the Bank (the
"Existing Line of Credit Note"); (ii) a real estate loan in the original
principal amount of Two Million Eight Hundred Thousand Dollars ($2,800,000) (the
"Existing Real Estate Loan"); and (iii) an acquisition loan commitment in the
maximum principal amount of $20,000,000 (the "Existing Acquisition Facility")
pursuant to which on March 25, 1998 the Borrower borrowed $19,000,000 in
connection with the acquisition of certain assets from Scientific-Atlanta, Inc.
(the "Scientific Atlanta Loan").

     C. The Bank and the Borrower now desire to amend and restate in their
entirety the terms and conditions of the Existing Loan Agreement pursuant to the
terms hereof and set forth the terms and conditions upon which the Bank will
continue to make available to the Borrower certain credit facilities to be used
for the purposes specified in this Agreement. Accordingly, the Bank and the
Borrower, each intending to be legally bound hereby, agree as follows:

                             ARTICLE I   DEFINITIONS

     1.1 Definitions.

     Terms used herein without definition that are defined in the Uniform
Commercial Code shall have the meanings ascribed to them therein, unless the
context requires otherwise. The following terms shall have the following
meanings in this Agreement:

     "Account" shall have the meaning given to that term in the Uniform
Commercial Code and, in addition, shall include any right to payment for goods
sold or leased or services rendered which is evidenced by an instrument or
chattel paper.

     "Acquisition Facility" shall mean the credit facility extended by the Bank
to the Borrower pursuant to Section 2.3 hereof.

     "Acquisition Facility Interest Rate Margin" shall mean the percentage
determined in accordance with Subsection 2.3(d).


<PAGE>


     "Acquisition Loan" and "Acquisition Loans" shall have the meaning given
such terms in Section 2.3(a) hereof.

     "Acquisition Loan Commitment" shall have the meaning given such term in
Section 2.3 hereof.

     "Acquisition Loan Note(s)" shall have the meaning given such term in
Section 2.3(g) hereof.

     "Affiliate" shall mean any Subsidiary of the Borrower and any Person or
entity that, now or hereafter, directly or indirectly through one or more
intermediaries, controls, is controlled by or is under common ownership or
control with the Borrower. For purposes of this definition, the terms "control,"
"controls" and "controlled" shall refer to the power to determine the management
or policies of a Person, whether resulting from an official position or capacity
with such Person, direct or indirect beneficial ownership of at least twenty
percent (20%) of the voting securities or other equity interests of such Person,
or otherwise.

     "Agreement" shall mean this agreement, together with all exhibits,
amendments, modifications and supplements hereto as may be in effect from time
to time.

     "Applicable Law" shall mean all applicable provisions of (i) constitutions,
statutes, rules, regulations and orders of governmental authorities of any kind
having jurisdiction over the Bank or the Borrower, (ii) authorizations,
consents, approvals, and licenses of such governmental authorities, (iii)
Judgments, and (iv) common law and equity.

     "Bank" shall have the meaning specified in the initial paragraph of this
Agreement, together with its successors and assigns.

     "Blonder International" shall mean Blonder Tongue International, Inc., a
Delaware corporation, together with its successors and assigns.

     "Borrower" shall have the meaning specified in the initial paragraph of
this Agreement, together with its successors and assigns.

     "Business Day" shall mean any day upon which banks are open for business in
New Jersey, Pennsylvania and in London, U.K.

     "Capital Lease" shall mean any lease of property which, in accordance with
GAAP, should be capitalized on the lessee's balance sheet.

     "Capital Lease Obligation" shall mean the amount of the liability which,
according to GAAP, should be capitalized or disclosed with respect to a Capital
Lease.

     "CFM Agreement" shall mean the CoreStates Funds Manager Legal Agreement
signed by the Borrower on January 29, 1997.

     "Closing" shall mean the execution and delivery to the Bank of all of the
documents and instruments required by the terms of this Agreement and the
closing of the transactions contemplated by this Agreement.

     "Code" shall mean the Internal Revenue Code of 1986, as amended.

     "Collateral" shall have the meaning set forth in the Second Amended and
Restated Security Agreement.

                                       2

<PAGE>


     "Default Rate" shall mean the rate of interest applicable to any Loan, plus
two percent (2.0%).

     "Dollars" and "$" shall mean dollars in lawful currency of the United
States of America.

     "Encumbrance" shall mean, as to any Person, any mortgage, lien, pledge,
adverse claim, charge, security interest or other encumbrance in or on, or any
interest or title of any vendor, lessor, lender to, or other secured party of
the Person under any conditional sale or other title retention agreement or
Capital Lease with respect to, any property or asset of the Person.

     "Environmental Laws" shall mean all provisions of the Comprehensive
Environmental Response, Compensation and Liability Act, 42 U.S.C. ss.ss.9601 et
seq., as amended by the Superfund Amendments and Reauthorization Act of 1986,
Pub. L. No. 99-499, 100 Stat. 1613 (October 17, 1986), the Resource Conservation
and Recovery Act, 42 U.S.C. ss.ss.6901 et seq., the Hazardous Materials
Transportation Act, 49 U.S.C. ss.ss.1801 et seq., the Clean Water Act, 33 U.S.C.
ss.ss.1251 et seq., the Clean Air Act, 42 U.S.C. ss.ss.7401 et seq., the Storage
Tank and Spill Prevention Act, 35 P.S. ss.ss.6021.101 et seq., the Solid Waste
Management Act, 35 P.S. ss.ss.6018.101 et seq., the Clean Streams Law, 35 P.S.
ss.ss.691.1 et seq., the Hazardous Sites Cleanup Act, 35 P.S. ss.ss.6021.101 et
seq., and all other federal, state and local legal requirements pertaining to
the environment or regulating or restricting the use, transfer, storage or
disposal of Hazardous Materials and applicable to the Borrower or its business,
operations or assets.

     "ERISA" shall mean the federal Employee Retirement Income Security Act of
1974, as amended.

     "Event of Default" shall have the meaning set forth in ARTICLE VII of this
Agreement.

     "Existing Line of Credit Note" shall have the meaning given such term in
paragraph B of the Background Section of this Agreement.

     "Existing Real Estate Loan" shall have the meaning given such term in
paragraph B of the Background Section of this Agreement.

     "Existing Real Estate Loan Note" shall mean the Real Estate Loan Note,
dated May 23, 1996 made by the Borrower in favor of the Bank, as amended by the
Allonge to Existing Real Estate Note dated September 26, 1996.

     "Federal Reserve Board" shall mean the Board of Governors of the United
States Federal Reserve System.

     "Financial Statements" shall have the meaning set forth in Section 4.4(a)
of this Agreement.

     "GAAP" shall mean generally accepted accounting principles, as in effect at
the time of application to the provisions hereof, and consistently applied.

     "Guarantor" shall mean any Person who guarantees the payment and
performance of all or any part of the Obligations.

     "Guaranty" shall mean any guaranty or agreement to be a surety or other
contingent liability (other than any endorsement for collection or deposit in
the ordinary course of business), direct or indirect, with respect to any
obligation of another Person.


                                       3
<PAGE>

     "Hazardous Materials" shall mean all materials of any kind which are
flammable, explosive, toxic, radioactive or otherwise hazardous to animal or
plant life or the environment, including, without limitation, "hazardous
wastes," "hazardous substances" and "contaminants," as such terms are defined by
Environmental Laws.

     "Indebtedness" shall mean any obligation for borrowed money, including,
without limitation:

          (a) any obligation owed for all or any part of the purchase price of
property or other assets or for the cost of property or other assets constructed
or of improvements thereto, other than accounts payable included in current
liabilities and incurred in respect of property purchased in the ordinary course
of business;

          (b) any Capital Lease Obligation; and

          (c) any reimbursement obligations and other obligations under any
letter of credit, currency swap agreement, interest rate swap, cap, collar or
floor agreement or other interest rate management devise, or any forward sale or
purchase agreement for foreign currencies.

     "Interest Period" shall mean each period beginning with the first Business
Day of each month and ending on the day before the first Business day of the
following month.

     "Judgment" shall have the meaning set forth in Section 8.6 of this
Agreement.

     "LIBO Base Rate" shall mean for each Interest Period the interest rate
(expressed as a decimal) for deposits in Dollars for a one month period, which
rate appears on the Telerate Page 3750 as of 11:00 a.m., London time, on the
date that is two Business Days prior to the first Business Day of such Interest
Period (If such rate does not appear on the Telerate Page 3750, the rate
utilized shall be the rate which appears, or if more than one such rate appears,
the average of the rates which appear on the Reuters Screen LIBO Page as of
11:00 a.m., London time, on the day that is two Business Days prior to such
date).

     "LIBOR Market Index Rate": for any day, is the interest rate (expressed as
a decimal) for one month deposits in Dollars, which rate appears on the Telerate
Page 3750 as of 11:00 a.m., London time, on such day, or if such day is not a
London business day, then the immediately preceding London business day (or if
not so reported, then as determined by Bank from another recognized source or
interbank quotation).

     "LIBO Rate" shall mean with respect to each day during each Interest Period
pertaining to a LIBO Loan, a rate per annum determined for such day in
accordance with the following formula (rounded upward to the nearest 1/100th of
1%):

                                 LIBO Base Rate
                   ------------------------------------------
                        1.00 - LIBOR Reserve Requirements

     "LIBOR Reserve Requirement" shall mean the percentage amount (expressed as
a decimal) of reserves that applicable United States laws would require the Bank
to maintain with respect to liabilities incurred on the London Interbank Market
including, without limitation, reserves required under Regulation D of the Board
of Governors of the Federal Reserve System


                                       4
<PAGE>

for euro-currency liabilities (as defined in such regulation and deemed, for
purposes of this Agreement, to include the Bank's liabilities incurred on the
London Interbank Market) without benefit of or credit for pro-ration, exception,
or offsets otherwise available from time to time under such regulation.

     "Line of Credit" shall mean the line of credit from the Bank to the
Borrower established pursuant to Section 2.1 of this Agreement.

     "Line of Credit Commitment" shall have the meaning set forth in Section 2.1
of this Agreement.

     "Line of Credit Interest Rate Margin" shall mean the percentage determined
in accordance with Subsection 2.1(c).

     "Line of Credit Loans" shall mean the loans made by the Bank to the
Borrower pursuant to the Line of Credit.

     "Line of Credit Note" shall have the meaning set forth in Section 2.1 of
this Agreement, together with all replacements, amendments and renewals thereof.

     "Loan Documents" shall mean this Agreement, the Second Amended and Restated
Security Agreement, the Notes, the Mortgage, the Amended and Restated Patent
Collateral Assignment, the Amended and Restated Trademark Collateral Assignment,
the Life Insurance Assignments and all agreements, amendments, certificates,
financing statements, schedules, reports, notices, and exhibits now or hereafter
executed or delivered in connection with any of the foregoing, as may be in
effect from time to time, provided, however, that the term "Loan Documents"
shall not include any Swap Agreements.

     "Loans" shall mean the Line of Credit Loans, the Existing Real Estate Loan
and the Acquisition Loan(s).

     "Mortgage" shall mean the Mortgage, Assignment of Leases, and Security
Agreement dated as of May 23, 1996 from the Borrower to the Bank, and
encumbering real and personal property located generally at Middlesex County,
New Jersey, and any amendments and supplements thereto.

     "Notes" shall mean the Line of Credit Note, the Existing Real Estate Loan
Note, the Acquisition Note(s) and all replacements, amendments, extensions and
renewals thereof.

     "Obligations" shall mean the obligations of the Borrower:

          (a) To pay the principal, interest, commitment fees and any other
liabilities of the Borrower to the Bank under this Agreement and the other Loan
Documents in accordance with the terms thereof;

          (b) To satisfy all of the other direct or indirect liabilities of the
Borrower to the Bank, whether hereunder or otherwise, whether now existing or
hereafter incurred, whether or not evidenced by any note or other instrument,
matured or unmatured, direct, absolute or contingent, joint or several,
including any extensions, modifications, renewals thereof and substitutions
therefor;

          (c) To repay the Bank all amounts advanced by the Bank hereunder or
otherwise on behalf of the Borrower, including, but without limitation, advances
for principal or


                                       5
<PAGE>

interest payments to prior secured parties, mortgagors or lienors, or for taxes,
levies, insurance, rent, wages, repairs to or maintenance or storage of any
Collateral; and

          (d) To reimburse the Bank, on demand, for all of the Bank's expenses
and costs, including the reasonable fees and expenses of its counsel, in
connection with the negotiation, preparation, administration, amendment,
modification, or enforcement of this Agreement and the documents required
hereunder, including all amounts payable under Section 10.3 hereof.

     "Other Loan Parties" shall mean any Guarantor, together with their
successors or assigns.

     "PBGC" shall mean the Pension Benefit Guaranty Corporation.

     "Person" shall mean any individual, corporation, partnership, association,
joint-stock company, trust, unincorporated organization, joint venture, court or
governmental or political subdivision or agency thereof.

     "Prime Rate": the rate of interest per annum publicly announced by the Bank
from time to time as its reference rate in making loans to obligors at its
principal offices. The Prime Rate is not intended to reflect the rate of
interest charged to any particular class of obligors. The applicable rate of
interest charged will change automatically and immediately as of the date the
Bank changes its Prime Rate, without notice.

     "Regulatory Change" means (a) the enactment or effectuation after the date
of this Agreement of any new, or change in any existing, Applicable Law, (b) the
adoption after such date of any new, or the adoption or other effectuation after
such date of any change in any existing, interpretation, directive or request
(whether or not having the force of law), or (c) any change after such date in
the administration or enforcement of any Applicable Law to which the Bank is
subject. As used in this definition, the "effectuation" of a change shall
include, without limitation, that consisting of or resulting from a
determination of a court or regulatory authority.

     "Scientific Atlanta Acquisition Loan" shall have the meaning assigned in
paragraph B of the Background Section of this Agreement.

     "Subsidiary" shall mean, as to any designated corporation, any corporation,
the outstanding shares of which having sufficient voting power (not depending on
the happening of a contingency) to elect at least a majority of the members of
its board of directors, are at the time owned by the designated corporation.

     "Swap Agreement": any swap agreement (as defined in 11 USC ss.101) between
the Borrower and the Bank.

     "Tax" means any federal, state or foreign tax, assessment or other
governmental levy or duty or other charge (including any withholding tax) upon a
person or entity or upon its assets, revenues, income or profits, other than
income and franchise taxes imposed upon the Bank by the jurisdictions (or any
political subdivision thereof) in which the Bank or any office of the Bank is
located.

     "Termination Date" shall have the meaning set forth in Section 2.1 of this
Agreement.

     "Uniform Commercial Code" shall mean the Uniform Commercial Code of
Pennsylvania as codified at 13 Pa. C.S.A. ss.ss.101 et seq., as in effect on the
date of this Agreement.


                                       6
<PAGE>

     "Usage Fee" shall have the meaning given such term in Section 2.3(h)
hereof.

                      ARTICLE II   CREDIT ACCOMMODATIONS

     2.1 The Line of Credit.

     The Bank has made available under the Existing Loan Agreement, and shall
continue to make available to the Borrower, a Line of Credit in the maximum
principal amount of $15,000,000 (the "Line of Credit Commitment"), upon the
terms and conditions set forth herein.


          (a) Generally. At any time and from time to time during the period
ending on September 30, 1999 (the "Termination Date"), upon the request of the
Borrower or pursuant to the terms of the CFM Agreement related to the "loan
module", the Bank shall provide to the Borrower a loan or loans in multiples of
One Thousand Dollars ($1,000), which shall be used by the Borrower for (i)
working capital, (ii) for the purpose of funding good faith deposits relating to
acquisitions in an aggregate amount not to exceed $10,000,000, and (iii) to
purchase the Borrower's common stock in an aggregate amount not to exceed
$10,000,000, provided, however, that prior to any request for an advance to fund
such purpose, Borrower shall certify to Bank the amount of proceeds from the
Line of Credit used to purchase such shares. The indebtedness, if any,
outstanding under the Existing Line of Credit Note shall not be repaid or
discharged, but shall be deemed outstanding under the Line of Credit and shall
be evidenced by the Line of Credit Note, and upon Borrower's execution and
delivery of the Line of Credit Note, Bank shall mark the Existing Line of Credit
Note "Superseded and Replaced" and shall return the same to Borrower. The
Borrower may use the Line of Credit during the period referred to in the
preceding sentence by borrowing, repaying and reborrowing in accordance with the
terms of this Agreement and the CFM Agreement. The aggregate outstanding
principal under the Line of Credit at any time shall not exceed the Line of
Credit Commitment. If, at any time, the aggregate outstanding principal under
the Line of Credit exceeds the Line of Credit Commitment, then, without any
requirement of demand or notice from the Bank, the Borrower shall immediately
pay to the Bank the amount of such excess. Upon the Termination Date the Bank's
commitment to make Line of Credit Loans shall terminate, all Line of Credit
Loans shall immediately mature and all Obligations under the Line of Credit
Loans shall be immediately due and payable in full.

          (b) Letters of Credit.

               (1) Generally. In addition to making loans to the Borrower under
the Line of Credit as provided in Section 2.1(a) hereof, the Bank shall, upon
the request of the Borrower and subject to the terms of this Agreement, also
issue one or more letters of credit ("Letters of Credit") for the account of the
Borrower up to an aggregate amount not to exceed $1,000,000 (the "Letter of
Credit Sublimit"). All amounts drawn under Letters of Credit shall be deemed to
be loans made under the Line of Credit and evidenced by the Line of Credit Note,
and the amount available to be borrowed under the Line of Credit shall be
reduced by the aggregate amounts drawn and available to be drawn at any time
under all outstanding Letters of Credit. In no event shall the aggregate amount
available to be drawn on all outstanding Letters of Credit plus the outstanding
principal balance of Line of Credit Loans exceed the Line of Credit Commitment.
The duration of any Letters of Credit shall not extend beyond the Termination
Date without the written consent of the Bank.

                                       7
<PAGE>

               (2) Issuance of Letters of Credit. Subject to the provisions of
Section 2.1 (b)(1), the Bank shall issue Letters of Credit for the account of
the Borrower, provided that the Borrower (i) provides a written request for each
such Letter of Credit specifying the terms thereof, including, without
limitation, the amount and the name and address of the beneficiary of such
Letter of Credit; (ii) executes and delivers to the Bank an application for each
such Letter of Credit pursuant to the form provided for such purpose by the
Bank; and (iii) executes and delivers to the Bank such other documents and
instruments which the Bank, in its sole and absolute discretion, deems
reasonable and necessary. The Borrower shall pay to the Bank all transactional
and customary fees required by the Bank in connection with the issuance of each
Letter of Credit hereunder, including, without limitation, the Bank's standard
remittance, transfer and issuance fees, which fees may be deducted by the Bank
from the Borrower's account as such fees are incurred.

          (c) Interest. After February 1, 1999, interest shall accrue on all
amounts outstanding under the Line of Credit at an annual rate equal at all
times to the sum of the (i) the LIBOR Market Index Rate as determined as of
February 1, 1999 and as redetermined each day thereafter, plus (ii) the then
applicable Line of Credit Interest Rate Margin. The Line of Credit Interest Rate
Margin shall be 2.25% as of February 1, 1999 and thereafter as determined on the
basis of the ratio of Senior Debt to Capital Funds as of the end of each
following fiscal quarter in accordance with the following chart:

<TABLE>
<CAPTION>
          Ratio of Senior Debt to Capital                     Line of Credit Interest Rate Margin
          Funds as of each fiscal quarter
          -------------------------------

<S>                                                               <C>
          Less than .75 to 1.00                                              0.75%
          Equal to or greater than .75 to 1.0, but                           1.25%
          less than 1.00 to 1.00
          Equal to or greater than 1.0 to 1.0, but                           1.75%
          less than 1.25 to 1.00
          Equal to or greater than 1.25 to 1.00                              2.25%
</TABLE>


     Adjustments to the Line of Credit Interest Rate Margin arising from changes
in the ratio of Senior Debt to Capital Funds as determined with respect to the
end of any fiscal quarter shall be made effective as of the first Business Day
of the immediately following fiscal quarter based upon the financial statements
delivered under Subsection 6.2(a) or Subsection 6.2(b). In the event of an
increase in such margin resulting from such a change, the Borrower shall pay the
difference between the amount of interest paid and the amount due taking into
account such increase within five days following written notice from the Bank.
In the event of a decrease resulting from such a change, the Bank shall promptly
refund any overpayment of interest taking into account such decrease.

     Interest on the aggregate outstanding principal under the Line of Credit
shall be payable monthly on the first Business Day.


                                       8
<PAGE>

          (d) Line of Credit Note. The obligations of the Borrower to repay the
aggregate outstanding principal under the Line of Credit and to pay accrued
interest thereon shall be evidenced by a Fourth Amended and Restated Line of
Credit Note, in form and substance satisfactory to the Bank, to be executed and
delivered to the Bank concurrently with the execution and delivery of this
Agreement (the "Line of Credit Note").

          (e) Mandatory Prepayments. Without limiting any other repayment or
prepayment obligations of the Borrower set forth in this Agreement, in the event
that the Borrower purchases any outstanding shares of the Borrower's common
stock and thereafter sells, issues or reissues any of its common stock to any
Person in a registered public offering or in an institutional private placement
transaction for the purpose of raising equity capital, the Borrower shall make a
mandatory prepayment of principal equal to the lesser of (i) the outstanding
balance under the Line of Credit, or (ii) the net cash proceeds received by the
Borrower from such sale, issuance or reissuance. Upon any such sale, issuance or
reissuance of Borrower's common stock, Borrower shall deliver a certificate to
Lender setting forth such number of shares sold, issued or reissued and the net
proceeds received therefrom.

          (f) Administrative Fee. In addition to the interest and other fees
payable by the Borrower, the Borrower shall pay to the Bank a quarterly
administrative fee of $1,500, payable on the first day after the end of each
calendar quarter. The Bank is authorized to automatically deduct the foregoing
fee from any account of the Borrower maintained at the Bank on the date such fee
is due and owing.

          (g) Change of Use Fee. The Borrower shall pay to the Bank on the date
hereof a fee of $30,000.

          (h) Existing Line of Credit Note. The Bank agrees to return to the
Borrower the Existing Line of Credit Note marked "cancelled."

     2.2 Real Estate Loan.

          (a) Generally. The Bank has made available to the Borrower the
Existing Real Estate Loan in the initial principal amount of $2,800,000 the
proceeds of which have been used to refinance certain land and buildings and
other improvements thereon owned by the Borrower and located at One Jake Brown
Road, Old Bridge, New Jersey (the "Property"). The Borrower has repaid and shall
continue to repay the obligations under that loan in (i) one hundred and twenty
nine (129) equal consecutive, monthly installments in the amount of $15,555.56
on the first Business Day of each month, which payments commenced on June 1,
1996 and end on April 1, 2006, and (ii) a final installment, consisting of the
entire remaining principal balance of the Existing Real Estate Loan, together
with all accrued interest thereon, which shall be due and payable May 1, 2006.

          (b) Interest. Interest shall accrue on the outstanding principal of
the Existing Real Estate Loan at an annual rate equal to seven and one quarter
of one percent (7.25%) for the period commencing on the date of disbursement
thereof, and ending on May 31, 1999. Thereafter, interest shall accrue on the
outstanding principal of the Existing Real Estate Loan at a rate per annum equal
to the Prime Rate, which rate shall change simultaneously and automatically


                                       9
<PAGE>

upon each change in the Bank's Prime Rate, provided, however, that upon the
written election of the Borrower received by the Bank no later than May 27,
1999, interest shall accrue after June 1, 1999 at a rate equal to the sum of (A)
the LIBO Rate as determined as of June 1, 1999 and on the first Business Day of
each month thereafter plus (B) the then applicable Acquisition Facility Interest
Rate Margin. Interest on the Existing Real Estate Loan shall be paid monthly on
the first day of Business Day of each month.

          (c) Real Estate Loan Note. The obligations of the Borrower to repay
the Existing Real Estate Loan are evidenced by the Existing Real Estate Loan
Note to which has been annexed the Second Allonge in the form attached hereto as
Exhibit B.

     2.3 Acquisition Facility.

          (a) Advances. Subject to the terms and conditions of this Agreement,
at any time or times on or before June 30, 1999, the Bank shall provide to the
Borrower a loan or loans (each such loan, together with the Scientific Atlanta
Loan, an "Acquisition Loan" and, collectively, the "Acquisition Loans") in the
maximum principal amount of $1,000,000 (the "Acquisition Loan Commitment") to be
used by the Borrower to finance acquisitions. Amounts borrowed under the
Acquisition Facility and repaid may not be reborrowed under the Acquisition
Facility. The aggregate amount of all Acquisition Loans made under the
Acquisition Facility shall not exceed the Acquisition Loan Commitment. On June
30, 1999, the Bank's commitment to make Acquisition Loans under the Acquisition
Facility shall terminate.

          (b) Requirements for Acquisition Loans. The Bank shall not be
obligated to make any Acquisition Loan unless the Borrower has delivered to the
Bank the following documents in form and substance satisfactory to the Bank:

               (1) an Acquisition Loan Note, duly executed by the Borrower
evidencing such Acquisition Loan;

               (2) such security agreements, guaranty agreements, financing
statements and other documents as may be necessary or desirable in order to
insure that the Bank has a first priority perfected security interest in the
assets to be acquired by the Borrower, including, without limitation, the assets
owned by any corporation whose stock is being acquired by the Borrower in
connection with such Acquisition Loan;

               (3) the Usage Fee payable to the Bank in connection with such
Acquisition Loan, as provided in Section 2.3(f); and

               (4) copies of any purchase agreement or other agreement of sale
entered into by the Borrower in connection with the acquisition to be financed
with the proceeds of such Acquisition Loan, together with copies of all other
documents executed or delivered in connection therewith.

          (c) Additional Deliveries. The Borrower shall deliver to the Bank
within thirty (30) days after the funding of the Acquisition Loan evidence
satisfactory to the Bank of the transfer of the assets or stock acquired by the
Borrower, free and clear of all liens and


                                       10
<PAGE>

encumbrances except those liens and encumbrances permitted under Section 7.3.

          (d) Interest. After February 1, 1999 interest shall accrue on the
outstanding principal of any Acquisition Loan at a rate per annum equal to the
sum of (i) the LIBO Rate as determined as of February 1, 1999 and as thereafter
redetermined on the first Business Day of each month thereafter plus (ii) the
then applicable Acquisition Facility Interest Rate Margin. The Acquisition
Facility Interest Rate Margin shall be 2.55% as of February 1, 1999 and
thereafter as determined on the basis of the ratio of Senior Debt to Capital
Funds as of the end of each following fiscal quarter in accordance with the
following chart:

<TABLE>
<CAPTION>
           Ratio of Senior Debt to Capital                   Line of Credit Interest Rate Margin
           Funds as of each fiscal quarter                   -----------------------------------
           -------------------------------
<S>                                                           <C>
           Less than .75 to 1.00                                            1.05%

           Equal to or greater than .75 to 1.0, but                         1.55%
           less than 1.00 to 1.00

           Equal to or greater than 1.0 to 1.0, but                         2.05%
           less than 1.25 to 1.00

           Equal to or greater than 1.25 to 1.00                            2.55%
</TABLE>

     Adjustments to the Acquisition Facility Interest Rate Margin arising from
changes in the ratio of Senior Debt to Capital Funds as determined with respect
to the end of any fiscal quarter shall be made effective as of the first
Business Day of the immediately following fiscal quarter based upon the
financial statements delivered under Subsection 6.2(a) or Subsection 6.2(b). In
the event of an increase in such margin resulting from such a change, the
Borrower shall pay the difference between the amount of interest paid and the
amount due taking into account such increase within five days following written
notice from the Bank. In the event of a decrease resulting from such a change,
the Bank shall promptly refund any overpayment of interest taking into account
such decrease.

     Interest on the Acquisition Facility shall be payable in arrears on the
first Business Day of each month.

          (e) Repayment of Scientific Atlanta Loan. The Borrower shall repay the
Scientific Atlanta Loan in fifty nine (59) consecutive monthly principal
payments of $316,666.67 commencing on June 1, 1999, with a final principal
payment of $316,666.47 on May 1, 2004.

          (f) Repayment of other Acquisition Loans.

               (i) At least five Business Days prior to the making of any
          Acquisition Loan the Borrower shall specify whether it elects to have
          such loan to have an "interest only" period and, if so, the length of
          such period


                                       11
<PAGE>

          ending on the first Business Day of any month up to six months
          following the date of the closing of the Acquisition Loan.

               (ii) At least five Business Days before the end of any "interest
          only" period or the closing of the Acquisition Loan if the Borrower
          elects not to have an "interest only" period, as the case may be, the
          Borrower (A) shall elect a repayment period for the Acquisition Loan
          of up to 60 months, and (B) may elect to have the Acquisition Loan
          bear interest at a fixed rate as offered by the Bank with respect to
          the repayment period elected by the Borrower. If a fixed rate is not
          elected, the Acquisition Loan shall accrue interest at the rate set
          forth above.

               (iii) If the Borrower does not elect to have the Acquisition Loan
          bear interest at a fixed rate, then the Acquisition Loan shall be
          repayable beginning on the first Business Day of the month following
          the end of the "interest only" period or the closing of the
          Acquisition Loan, as the case may be, in the number of equal monthly
          installments of principal as elected by the Borrower (up to 60).

               (iv) If the Borrower elects to have the Acquisition Loan bear
          interest at the fixed rate offered by the Bank, then the Acquisition
          Loan shall be repayable beginning on the First Business Day of the
          month following the end of the "interest only" period, in the number
          of equal monthly installments of principal and interest as elected by
          the Borrower (up to 60).

               (v) If the Borrower elects not to have an "interest only" period
          and to have the Acquisition Loan bear interest at the fixed rate
          offered by the Bank, the Acquisition Loan shall be repayable in the
          number of equal monthly installments of principal and interest as
          elected by the Borrower (up to 60), which payments shall begin on the
          first Business Day of the month following the first full month
          following the closing of the Acquisition Loan. A single payment of
          interest calculated at the fixed rate shall also be payable in arrears
          on the first Business Day of the first full month following the
          closing of the Acquisition Loan.

          (g) Acquisition Loan Notes. The obligations of the Borrower to repay
the outstanding principal of each Acquisition Loan and to pay accrued interest
thereon shall be evidenced by a promissory note, in the form attached hereto as
Exhibit A, to be executed and delivered to the bank on or prior to the date of
funding such Acquisition Loan (each, an "Acquisition Loan Note" and ,
collectively, the "Acquisition Loan Notes"). The obligations of the Borrower to
repay the Scientific Atlanta Loan is evidenced by the Acquisition Loan Note
dated March 25, 1998 as amended by the Allonge to Acquisition Loan Note dated
September 25, 1998 and the Second Allonge in the form attached hereto as Exhibit
C.

          (h) Usage Fee. On or prior to the disbursement of any Acquisition
Loan, in addition to the interest and other fees payable in respect of fees
payable in respect of the


                                       12
<PAGE>

Acquisition Facility, the Borrower shall pay to the Bank a usage fee ("Usage
Fee"), in an amount equal to .25% of the amount of such Acquisition Loan.

     2.4 Requirements of Law.

     In the event that after the date hereof, any change in any law, regulation
or treaty or in the interpretation or application thereof or compliance by the
Bank with any request or directive (whether or not having the force of law) from
any central bank or other governmental authority, agency or instrumentality:

          (a) subjects or shall subject the Bank to any tax of any kind
whatsoever with respect to this Agreement, the loans made hereunder or the
issuance or maintenance of the Letters of Credit hereunder, or changes the basis
of taxation of payments to the Bank of principal, commitment fees, interest or
any other amount payable hereunder (except for changes in the rate of tax on the
overall net income of the Bank);

          (b) imposes, modifies or holds or shall impose, modify or hold
applicable any reserve, special deposit, compulsory loan or similar requirement
against assets held by, or deposits or other liabilities in or for the account
of, advances or loans by, or other credit extended by, or any other acquisition
of funds by, any office of the Bank, which reserve, special deposit, compulsory
loan or similar requirement is not otherwise included in determination of the
interest rate hereunder;

          (c) imposes or shall impose on the Bank any other condition;

and the result of any of the foregoing is to, directly or indirectly, increase
the cost to the Bank of making, renewing or maintaining advances or extensions
of credit or issuing or maintaining Letters of Credit or to reduce any amount
receivable thereunder then, in any such case, the Borrower shall promptly pay
the Bank, upon its demand, any additional amounts necessary to compensate the
Bank for such additional cost or reduced amount receivable. If the Bank becomes
entitled to claim any additional amounts pursuant to this subsection, it shall
promptly notify the Borrower of the event by reason of which it has become so
entitled. The good faith determination as to any additional amounts payable
pursuant to the foregoing sentence by the Bank shall be conclusive in the
absence of manifest error.

     2.5 Determinations.

     In making the determinations contemplated by Section 2.4 hereof the Bank
may make such estimates, assumptions, allocations and the like that it, in good
faith, determines to be appropriate. All such determinations shall be final,
binding and conclusive upon the Borrower, except to the extent of any manifest
error in computation or transmission, however, the Bank will permit the Borrower
to rebut such determinations if it does so in writing, with appropriate evidence
thereof, within ten (10) Business Days from the date of notification thereof by
the Bank. The Bank shall furnish to the Borrower a certificate outlining in
reasonable detail the computation of any amounts claimed by it under Section 2.4
and the assumptions underlying such computations, provided that the failure to
deliver a certificate shall not affect the Bank's right to such amounts, but
shall extend the time for the Borrower to respond thereto as required above.

                                       13
<PAGE>


     2.6 Payments and Computations.

     All amounts payable by the Borrower to the Bank under this Agreement or the
Notes shall be paid directly to the Bank in immediately available funds at the
address of the Bank set forth in Section 10.2 hereof or at such other address of
which the Bank shall give notice to the Borrower pursuant to Section 10.2
hereof. The Bank is authorized to charge any account of the Borrower at the Bank
for any payment due by the Borrower under this Agreement or any of the Notes.
All computations of interest hereunder shall be made by the Bank on the basis of
a year of 360 days for the actual number of days elapsed. All payments under
each of the Notes shall be applied first to the payment of interest due and
payable thereunder and then to the reduction of the outstanding principal
balance thereof.

     2.7 Borrowing.

     The Borrower shall notify the Bank of each proposed borrowing under the
Line of Credit not later than 2:30 p.m., Eastern Standard or Daylight Savings as
then in effect in Philadelphia, Pennsylvania time on the day of the proposed
borrowing.

     2.8 Prepayment and Repayment.

          (a) If prior to the first day of any Interest Period the Bank shall
have determined (which determination shall be conclusive and binding upon the
Borrower absent manifest error) that, by reason of circumstances affecting the
interbank eurodollar market, adequate and reasonable means do not exist for
ascertaining the LIBO Rate for the Interest Period the Bank shall give telecopy
or telephonic notice thereof to the Borrower as soon as practicable thereafter.
If such notice is given all amounts due under the Loans shall bear interest at
the Bank's floating Prime Rate. However, if the Borrower has hedged the LIBO
Rate with a Swap Agreement, then the applicable rate with respect to the portion
of the Loans for which the LIBO Rate has been hedged shall immediately be
converted to the floating rate payable by Bank under Swap Agreement plus the
Line of Credit Interest Rate Margin or the Acquisition Facility Interest Rate
Margin as may be applicable.

          (b) Notwithstanding any other provisions herein, if any Requirement of
Law or any change therein or in the interpretation or application thereof shall
make it unlawful for the Bank to make or maintain LIBO loans all amounts due
under the Term Loan shall bear interest at the Bank's floating Prime Rate.
However, if the Borrower has hedged the LIBO Rate with a Swap Agreement, then
the applicable rate with respect to the portion of the Loans for which the LIBO
Rate has been hedged shall immediately be converted to the floating rate payable
by Bank under the Swap Agreement plus the Line of Credit Interest Rate Margin or
the Acquisition Facility Interest Rate Margin as may be applicable.

          (c) The Borrower agrees to indemnify the Bank and hold the Bank
harmless from any loss or expense which the Bank may sustain or incur as a
consequence of (1) default by the Borrower in payment when due of the principal
amount of or interest on any Loans, (2) default by the Borrower in making any
prepayment after the Borrower has given a notice in accordance with provisions
of this Agreement, (3) the making of a prepayment on a Loan with a fixed rate
before the date such fixed rate is set to expire or the Loan is to be repaid,
(4) the making of a prepayment on a day which is not the last day of an Interest
Period with respect thereto, including,


                                       14
<PAGE>

without limitation, in each case, any such loss or expense arising from the
reemployment of funds obtained by it to maintain the Loans or from fees payable
to terminate the deposits from which such funds were obtained. This covenant
shall survive termination of this Agreement, payment of the outstanding Note and
all other amounts payable hereunder. Any prepayment will not affect the
Borrower's obligation to continue making payments under any Swap Agreement,
which shall remain in full force and effect notwithstanding such prepayment.

          (d) All payments made by the Borrower under any Loan Document shall be
made free and clear of, and without deduction or withholding for or on account
of, any present or future income, stamp or other taxes, levies, imposts, duties,
charges, fees, deductions or withholdings, now or hereafter imposed, levied,
collected, withheld or assessed by any Governmental Authority, excluding net
income taxes and franchise taxes (imposed in lieu of net income taxes) imposed
on the Bank as a result of a present or former connection between the Bank and
the jurisdiction of the Governmental Authority imposing such tax or any
political subdivision or taxing authority thereof or therein (other than any
such connection arising solely from the Bank having executed, delivered or
performed its obligations or received a payment under, or enforced, any Loan
Document). If any such non-excluded taxes, levies, imposts, duties, charges,
fees deductions or withholdings ("Non-Excluded Taxes") are required to be
withheld from any amounts payable to the Bank hereunder or under the Note, the
amounts so payable to the Bank shall be increased to the extent necessary to
yield to the Bank (after payment of all Non-Excluded Taxes) interest or any such
other amounts payable hereunder at the rates or in the amounts specified in any
Loan Document. Whenever any Non-Excluded Taxes are payable by the Borrower, as
promptly as possible thereafter the Borrower shall send to the Bank a certified
copy of an original official receipt received by the Borrower showing payment
thereof. If the Borrower fails to pay any Non-Excluded Taxes when due to the
appropriate taxing authority or fails to remit to the Bank the required receipts
or other required documentary evidence, the Borrower shall indemnify the Bank
for any incremental taxes, interest or penalties that may become payable by the
Bank as a result of any such failure. The agreements in this subsection shall
survive the termination of this Agreement and the payment of the Note and all
other amounts payable hereunder.

                            ARTICLE III   SECURITY

     3.1 Security Documents.

     As security for the prompt payment, performance, satisfaction and discharge
when due of all the Obligations, the Borrower has granted to the Bank a
perfected security interest or mortgage lien on all of its assets.

         ARTICLE IV   REPRESENTATIONS AND WARRANTIES OF THE BORROWER

     In order to induce the Bank to execute and deliver this Agreement and to
make the Loans available to the Borrower, the Borrower represents and warrants
to the Bank that, as of the date hereof:

     4.1 Good Standing of the Borrower; Authorization.

     The Borrower is duly incorporated, organized and existing and in good
standing in the State of Delaware and is duly qualified as a foreign corporation
and authorized to do business


                                       15
<PAGE>

in all other jurisdictions wherein the nature of its business or property makes
such qualification necessary, and has the corporate power to own its properties
and to carry on its business as now conducted. As of the date hereof, the
Borrower is not doing business in and owns no property in the State of
California. The execution, delivery and performance of this Agreement, and the
Loan Documents have been duly authorized by all necessary corporate proceedings
on the part of the Borrower.

     4.2 Compliance with Laws and Other Agreements.

     The Borrower is in compliance with all laws, rules, regulations, judgments,
decrees, orders, agreements and requirements which affect in any material way
the Borrower, its assets or the operation of its business and has not received,
and has no knowledge of, any order or notice of any governmental investigation
or of any violation or claim of violation of any law, regulation, judgment,
decree, order, agreement, or other governmental requirement.

     4.3 No Conflict; Governmental Approvals.

     The execution, delivery, and performance of this Agreement and each of the
Loan Documents will not (i) conflict with, violate, constitute a default under,
or result in a breach of any provision of any applicable law, rule, regulation,
judgment, decree, order, instrument or other agreement, or (ii) conflict with or
result in a breach of any provision of the certificate of incorporation or
by-laws of the Borrower. No authorization, permit, consent or approval of or
other action by, and no filing, registration or declaration with, any
governmental authority or regulatory body is required to be obtained or made by
the Borrower for the due execution, delivery and performance of this Agreement
or any of the Loan Documents, except such as have been duly obtained or made
prior to the date of this Agreement and are in full force and effect as of the
date of this Agreement (copies of which have been delivered to the Bank).


     4.4 Financial and Other Information Regarding Borrower.

          (a) The Borrower has delivered to the Bank true, correct and complete
copies of (i) the balance sheet of the Borrower as of December 31, 1998, and
related statements of income for the period then ended, together with notes
thereto and the unqualified opinion thereon, of BDO Seidman, LLP, and (ii) the
unaudited balance sheet of the Borrower as of September 30, 1998 and related
statements of income for the three fiscal quarters then ending. Those financial
statements ("Financial Statements") present fairly the financial position of the
Borrower and the results of the operations of the Borrower as of the dates and
for the periods indicated, in conformity with GAAP.

          (b) Except as set forth on Schedule 4.4(b) hereto, the Borrower has no
Indebtedness other than as shown in the most recent Financial Statements, and
any subsequent interim financial statements which have been delivered to the
Bank.

          (c) Except as set forth on Schedule 4.4(c) hereto, the Borrower has no
"investment" (as such term is defined under GAAP), whether by stock purchase,
capital contribution, loan, advance, purchase of property or otherwise, in any
Person, other than as shown


                                       16
<PAGE>

in the most recent Financial Statements, and any subsequent interim financial
statements which have been delivered to the Bank.

     4.5 Taxes.

     The Borrower is not delinquent in payment of any income, property or other
tax, except for any delinquency in the payment of a tax which is contested in
good faith by the Borrower and for which appropriate reserves have been
established in accordance with GAAP.

     4.6 Encumbrances and Guaranties.

          (a) All properties and assets of the Borrower are owned by the
Borrower free and clear of all Encumbrances except (i) those for taxes or other
government charges either not yet delinquent or the nonpayment of which is
permitted by Section 4.5 of this Agreement; (ii) those arising in connection
with Indebtedness that do not materially impair the use or value of the
properties or assets of the Borrower in the conduct of its businesses; (iii)
Encumbrances whose release and termination is evidenced by the Borrower's
delivery to the Bank of appropriate documents; (iv) Encumbrances otherwise
permitted under the Loan Documents; and (v) Encumbrances disclosed in the most
recent Financial Statements.

          (b) The Borrower is not obligated under any Guaranty.

     4.7 Material Adverse Changes.

     Since December 31, 1998, there has not been any material adverse change in
the business, operations, properties or financial position of the Borrower. The
Borrower does not know of any fact (other than matters of a general economic or
political nature) which materially adversely affects, or, so far as the Borrower
can now reasonably foresee, will materially adversely affect, the business,
operations, properties or financial position of the Borrower or the performance
by the Borrower of its obligations under this Agreement and the other Loan
Documents.

     4.8 Margin Securities.

     The assets of the Borrower do not include any "margin securities" within
the meaning of Regulations G or U of the Board of Governors of the Federal
Reserve System (12 C.F.R. 207, 221), and the Borrower does not have any present
intention of acquiring any margin security.

     4.9 ERISA.

     The provisions of each employee benefit plan as defined in Section 3(3) of
ERISA ("Plan") maintained by the Borrower complies with all applicable
requirements of ERISA and of the Code, and with all applicable rulings and
regulations issued under the provisions of ERISA and the Code setting forth
those requirements. No reportable event, as defined in Section 4043 of ERISA,
has occurred with respect to any Plan; no Plan to which Section 4021 of ERISA
applies has been terminated; no Plan has incurred any liability to PBGC as
provided in Section 4062, 4063 and 4064 of ERISA; no Plan has been involved in
any prohibited transaction within the meaning


                                       17
<PAGE>

of Section 406 of ERISA or Section 4975 of the Code; and there are no unfunded
liabilities with respect to any Plan which are not disclosed in the Financial
Statements.

     4.10 Pending Litigation.

     Except as disclosed in the Borrower's periodic reports filed with the
Securities and Exchange Commission and provided to the Bank, there are no
actions, suits, proceedings or investigations pending, or, to the knowledge of
the Borrower, threatened against or affecting the Borrower, before any court,
arbitrator or administrative or governmental body which, in the aggregate, might
adversely affect any action taken or to be taken by the Borrower under this
Agreement and the other Loan Documents or which, in the aggregate, might
materially adversely affect the business, operations, properties or financial
position of the Borrower, or the ability of the Borrower to perform its
obligations under this Agreement and the other Loan Documents.

     4.11 Valid, Binding and Enforceable.

     This Agreement and the Loan Documents to which the Borrower is a party have
been duly and validly executed and delivered by the Borrower and constitute the
valid and legally binding obligations of such parties enforceable in accordance
with their respective terms, except as enforcement of this Agreement and the
other Loan Documents may be limited by bankruptcy, insolvency or other laws of
general application relating to or affecting the enforcement of creditors'
rights and except as enforcement is subject to general equitable principles.

     4.12 Priority of Security Interests.

     The Second Amended and Restated Security Agreement dated as of February 1,
1999, together with the financing statements which have been filed in connection
therewith have created valid first perfected security interests in the personal
property of the Borrower described therein as collateral for all the Obligations
subject to no prior Encumbrances.


     4.13 Environmental Matters.

          (a) The Borrower has performed all of its obligations under, has
obtained all necessary approvals, permits, authorizations and other consents
required by, and is not in material violation of, any Environmental Laws.

          (b) The Borrower has not received any notice, citation, summons,
directive, order or other communication, written or oral, from, and the Borrower
has no knowledge of the filing or giving of any such notice, citation, summons,
directive, order or other communication by, any governmental or
quasi-governmental authority or agency or any other Person concerning the
presence, generation, treatment, storage, transportation, transfer, disposal,
release or other handling of any Hazardous Materials within, on, from, related
to, or affecting any real property owned or occupied by the Borrower.

          (c) To the best of the Borrower's knowledge, after reasonable inquiry,
no real property owned or occupied by the Borrower has ever been used, either by
the Borrower or


                                       18
<PAGE>

any of its predecessors in interest, to generate, treat, store, transport,
transfer, dispose of, release or otherwise handle any Hazardous Material in
violation of any applicable Environmental Laws.

          (d) To the best of the Borrower's knowledge, after due inspection,
there are no Hazardous Materials within, on or under any real property owned or
occupied by the Borrower in violation of any applicable Environmental Laws.

     4.14 No Untrue Statements.

     Neither this Agreement, the Loan Documents nor any other document,
certificate or statement furnished or to be furnished by the Borrower or by any
other party to the Bank in connection herewith contains, or at the time of
delivery will contain, any untrue statement of a material fact or omits or will
omit to state a material fact necessary in order to make the statements
contained herein and therein not misleading.


          ARTICLE V   CONDITIONS PRECEDENT TO THE BANK'S OBLIGATIONS

     The Bank's obligations hereunder are conditioned upon the satisfaction by
the Borrower of the following conditions precedent:

     5.1 Documents to be Delivered by the Borrower at Closing.

     The Borrower shall deliver or cause to be delivered to the Bank at the
Closing the following:

          (a) This Agreement duly executed by the Borrower;

          (b) The Fourth Amended and Restated Line of Credit Note duly executed
by the Borrower;

          (c) The Second Allonge to the Existing Real Estate Note;

          (d) The Second Allonge to the Acquisition Loan Note date March 25,
1998;

          (e) The Second Amended and Restated Security Agreement;

          (f) The Amended and Restated Patent Collateral Assignment;

          (g) The Amended and Restated Trademark Collateral Assignment;

          (h) The Modification of Mortgage;

          (i) An endorsement to the Loan Title Policy issued by Stewart Title
Guaranty Company, dated the date of closing and redated the date of the
recording of the Modification of Mortgage and Security Agreement, insuring the
Mortgage, as modified, as a first priority lien;

                                       19
<PAGE>

          (j) Evidence of the Borrower's having complied with those covenants
regarding insurance as are contained in this Agreement and the other Loan
Documents;

          (k) A certificate of the Secretary or an Assistant Secretary of the
Borrower appropriately dated including (i) resolutions duly adopted by the
Borrower authorizing the transactions under the Loan Documents; (ii) evidence of
the incumbency and signature of the officers executing on the Borrower's behalf
any of the Loan Documents and any other document to be delivered pursuant to any
such documents, together with evidence of the incumbency of such officers; (iii)
a certification that the by-laws and the articles of incorporation of the
Borrower have not been amended since December 11, 1995; and (iv) certificates of
authority or good standing for the Borrower from its jurisdiction of
incorporation and any other jurisdiction where the Borrower is qualified to do
business;

          (l) A copy of each and every authorization, permit, consent, and
approval of and other action by, and notice to and filing with, every
governmental authority and regulatory body which is required to be obtained or
made by the Borrower for the due execution, delivery and performance of this
Agreement and the other Loan Documents; and

          (m) The opinion of Stradley, Ronon, Stevens & Young in form and
substance reasonably satisfactory to the Bank and its counsel.

     5.2 Conditions Precedent to Making Line of Credit Loans or Acquisition
Loans.

     The Bank shall not be obligated to make any Line of Credit Loans or any
Acquisition Loan hereunder unless:

          (a) As of the date of the proposed advance, no Event of Default has
occurred and is continuing and no event has occurred and is continuing which,
with the giving of notice or lapse of time, or both, would constitute an Event
of Default;

          (b) The representations and warranties contained in ARTICLE IV are
true and correct on the date of the proposed advance, except that the
representations and warranties in Section 4.4 shall refer to the financial
statements most recently supplied to the Bank pursuant to Section 6.2 of this
Agreement; and

          (c) No material adverse change has occurred in the business, property,
operations or condition (financial or otherwise) of the Borrower since the date
hereof; and

          (d) The Borrower has delivered to the Bank, upon the Bank's request, a
certificate executed by the chief executive officer of the Borrower confirming
the statements made in paragraphs (a), (b), and (c) above. Any certificate shall
also confirm the number of shares of the Borrower's common stock owned or held
by the Borrower.

              ARTICLE VI   AFFIRMATIVE COVENANTS OF THE BORROWER

     The Borrower hereby covenants and agrees that from the date hereof and
until satisfaction in full of the Obligations, unless the Bank shall otherwise
consent in writing, the Borrower shall do the following:

                                       20
<PAGE>

     6.1 Use of Proceeds.

     Use the proceeds of the borrowings hereunder only for the purposes
specified in Sections 2.1, 2.2 and 2.3 of this Agreement.

     6.2 Financial Statements.

     Furnish to the Bank the following financial statements which shall be
prepared in accordance with GAAP and signed by the chief financial officer of
the Borrower:

          (a) within one hundred ten (110) days after the end of each fiscal
year, the financial statements of the Borrower, including a balance sheet,
statement of income and statement of cash flows, as reported on the Form 10K of
the Borrower as filed with the United States Securities and Exchange Commission,
and such other financial statements of the Borrower in such detail as the Bank
may reasonably request. Such financial statements shall present fairly the
financial condition of the Borrower as of the close of such year and the results
of its operations and its cash flows during such year, in accordance with GAAP,
and shall be audited and accompanied by the opinion, satisfactory in form and
substance to the Bank, of BDO Seidman, LLP or another independent public
accountant acceptable to the Bank;

          (b) within sixty (60) days after the end of each fiscal quarter, the
financial statements of the Borrower, including a balance sheet, statement of
income and statement of cash flows, as reported on the Form 10Q of the Borrower
as filed with the United States Securities and Exchange Commission, and such
other financial statements of the Borrower in such detail as the Bank may
reasonably request. Such financial statements shall present fairly the financial
condition of the Borrower as of the close of such quarter and the results of its
operations and its cash flows during such quarter, in accordance with GAAP,
certified by the chief financial officer of the Borrower;

          (c) within one hundred eighty (180) days after the end of each fiscal
year of the Borrower, a copy of the Management Letter of the Borrower prepared
by BDO Seidman, LLP or another independent public accountant acceptable to the
Bank;

          (d) such other information in the Borrower's possession as the Bank
may reasonably request; and

          (e) at the time the statements required in Sections 6.2(a) and 6.2(b)
are provided to the Bank the Borrower shall also furnsh a certificate of the
chief financial office of the Borrower, (i) certifying that the best of his or
her knowledge no default or Event of Default has occurred and is continuing
hereunder (including but not limited to no default under any financial covenant
or covenants contained herein) or under any other instrument or agreement
between the Borrower and the Bank or, if such default or Event of Default has
occurred and in continuing, a statement as to the nature thereof and the action
which is proposed to be taken with respect thereto, and (ii) containing
computations demonstrating compliance with any financial covenant or covenants
contained in this Agreement.

     6.3 Ordinary Course of Business; Records.

                                       21
<PAGE>

     Conduct its business only in the ordinary course and keep accurate and
complete books and records of its assets, liabilities and operations consistent
with sound business practices and in accordance with GAAP.

     6.4 Information for the Bank.

     Make available during normal business hours for inspection by the Bank or
its designated representatives any of its books and records when reasonably
requested by the Bank to do so, and furnish the Bank any information reasonably
requested regarding its operations, business affairs and financial condition
within a reasonable time after the Bank gives notice of its request therefor. In
particular, and without limiting the foregoing, the Borrower shall permit,
during normal business hours, representatives of the Bank's Audit Department to
make such periodic inspections of the Borrower's books, records and assets as
such representatives deem necessary and proper.

     6.5 Insurance.

     Carry at all times in financially sound and reputable insurers: (a) all
workers' compensation or similar insurance as may be required under the laws of
any jurisdiction; (b) public liability insurance against claims for personal
injury, death or property damage suffered upon, in or about any premises
occupied by it or occurring as a result of the ownership, maintenance or
operation by it of any automobile, truck or other vehicle or as a result of the
use of products manufactured, constructed or sold by it, or services rendered by
it; (c) business interruption insurance covering risk of loss as a result of the
cessation for all or any part of one year of any substantial part of the
business conducted by it; (d) hazard insurance against such other hazards as are
usually insured against by business entities of established reputation engaged
in like businesses and similarly situated, including, without limitation, fire
(flood, if applicable) and extended coverage; and (e) such other insurance as
the Bank may from time to time reasonably require, and pay all premiums on the
policies for all such insurance when and as they become due and take all other
actions necessary to maintain such policies in full force and effect at all
times. The insurance specified in Subsections (b), (c) and (d) shall be
maintained in such amounts (and with co-insurance and deductibles) as such
insurance is usually carried by business entities of established reputation
engaged in the same or similar business and similarly situated, provided that
the amount of such coverage shall not be in an amount less than 80% of the
insurable value of the Borrower's assets or 100% of the amount of the Loans. The
Borrower shall from time to time, upon request by the Bank, promptly furnish or
cause to be furnished to the Bank evidence, in form and substance satisfactory
to the Bank, of the maintenance of all insurance required to be maintained
hereby, including, without limitation, such originals or copies as the Bank may
request of policies, certificates of insurance, riders and endorsements relating
to such insurance and proof of premium payments. The Borrower shall cause each
hazard insurance policy to provide, and the insurer issuing each such policy to
certify to the Bank, that (a) if such insurance be proposed to be cancelled or
materially changed for any reason whatsoever, such insurer will promptly notify
the Bank and such cancellation or change shall not be effective for 30 days
after receipt by the Bank of such notice, unless the effect of such change is to
extend or increase coverage under the policy; (b) the Bank shall be named as
lender loss payee with respect to personal property and mortgagee with respect
to real property; and (c) the Bank will have the right, at its election, to
remedy any default in the payment of premiums within 30 days of notice from the
insurer of such default. The foregoing covenants regarding insurance are in
addition to, and not intended to supersede, those


                                       22
<PAGE>

covenants regarding insurance set forth in the Loan Documents. In the event and
to the extent of any conflict between the provisions of this Agreement and the
provisions of the Loan Documents regarding the insuring of Collateral, the
provisions of the Loan Documents with respect thereto shall govern.

     6.6 Maintenance.

     Maintain its equipment, real property and other properties in good
condition and repair (normal wear and tear excepted) and pay and discharge the
cost of repairs thereto or maintenance thereof.

     6.7 Taxes.

     Pay all taxes, assessments, charges and levies imposed upon it or on any of
its property, or which it is required to withhold and pay over, and provide
evidence of payment thereto to the Bank if the Bank so requests, except where
contested in good faith by lawful and appropriate proceedings and where adequate
reserves therefor have been set aside on its books; provided, however, that the
Borrower shall pay all such taxes, assessments, charges and levies forthwith
whenever foreclosure on any lien which attaches or security therefor appears
imminent.

     6.8 Leases.

     Pay all rent or other sums required by every lease to which the Borrower is
a party as the same becomes due and payable, perform all its obligations as
tenant or lessee thereunder except where contested in good faith by lawful and
appropriate proceedings and where adequate reserves therefor have been set
aside; and keep all such leases at all times in full force and effect during the
terms thereof.

     6.9 Corporate Existence; Certain Rights; Laws.

     Do all things necessary to preserve and keep in full force and effect in
each jurisdiction in which it conducts business the business existence,
licenses, permits, rights, patents, trademarks, trade names and franchises of
the Borrower and comply with all present and future laws, ordinances, rules,
regulations judgments, orders and decrees which affect in any material way the
Borrower, its assets or the operation of its business.

     6.10 Notice of Litigation or Other Proceedings.

     Give immediate notice to the Bank of (i) the existence of any dispute, (ii)
the institution of any litigation, administrative proceeding or governmental
investigation involving the Borrower or (iii) the entry of any judgment, decree
or order against or involving the Borrower, any of which might materially and
adversely affect the operation, financial condition, property or business of the
Borrower or affect the enforceability of this Agreement or any of the other Loan
Documents.

     6.11 Indebtedness.

                                       23
<PAGE>

     Pay or cause to be paid when due (or within applicable grace periods) all
Indebtedness of the Borrower.

     6.12 Notice of Events of Default.

     Give immediate notice to the Bank if the Borrower becomes aware of the
occurrence of any Event of Default, or of any fact, condition or event which
with the giving of notice or lapse of time, or both, would be an Event of
Default, or of the failure of the Borrower to observe or perform any of the
conditions or covenants to be observed or performed by it under this Agreement
or any of the other Loan Documents.

     6.13 ERISA.

     Maintain each Plan in compliance with all applicable requirements of ERISA
and of the Code and with all applicable rulings and regulations issued under the
provisions of ERISA and of the Code. As promptly as practicable (but in any
event not later than ten days) after the Borrower receives from the PBGC a
notice of intent to terminate any Plan or to appoint a trustee to administer any
Plan, after the Borrower has notified the PBGC that any reportable event, as
defined in Section 4043 of ERISA, with respect to any Plan has occurred, or
after the Borrower has provided a notice of intent to terminate to each affected
party, as defined for purposes of Section 4041(a)(2) of ERISA, with respect to
any Plan, a certificate of the chief executive officer of the Borrower shall be
furnished to the Bank setting forth the details with respect to the events
resulting in such reportable event, as the case may be, and the action which the
Borrower proposes to take with respect thereto, together with a copy of the
notice of intent to terminate or to appoint a trustee from the PBGC, of the
notice of such reportable event or of the Borrower's notice of intent to
terminate, as the case may be.

     6.14 Deposit Accounts.

     Use the Bank as its primary depository institution to the extent reasonably
feasible unless otherwise agreed in writing by the Bank; and notify the Bank, in
writing and on a continuing basis, of all deposit accounts and certificates of
deposit (including the numbers thereof) maintained with or purchased from other
banks and other financial institutions. Notwithstanding the foregoing, Borrower
may use a bank other than the Bank for its payroll account, and working capital
accounts (which accounts may not, at any time, contain an average daily balance
calculated on a monthly basis, in excess of $250,000 in the aggregate) to be
used for incidental expenses of Borrower, including, travel expenses of its
employees, and provided no Events of Default exist, Borrower may, at Borrower's
discretion, in lieu of the Lock Box Agreement, use a New Jersey bank,
satisfactory to the Bank, as a depository transfer institution, pursuant to an
agreement in form and substance satisfactory to the Bank, establishing a
depository transfer arrangement between the Bank, the depository bank and the
Borrower.

     6.15 Management.

     Furnish to Bank within five (5) days of any election or appointment of
officers or directors, written notice of any change in the persons who from time
to time become officers and directors of Borrower and retain executive
management personnel at all times satisfactory to the Bank, it being understood
that management, which consists of James A. Luksch as President and


                                       24
<PAGE>

CEO, and Robert J. Palle as Executive Vice President, of the Borrower as of the
date hereof, is satisfactory.

     6.16 Financial Covenants.

     Observe the financial covenants set forth on Schedule 6.16 attached hereto
and made a part hereof, provided that such financial covenants may be revised if
the Line of Credit Commitment is extended beyond the Termination Date.

     6.17 Compliance with Environmental Laws.

     Comply fully with all Environmental Laws and not use any property which it
owns or occupies to generate, treat, store, transport, transfer, dispose of,
release or otherwise handle any Hazardous Material, except in compliance with
all Environmental Laws.

     6.18 Further Actions.

     Cooperate and join with the Bank, at its own expense, in taking all such
further actions as the Bank, in its sole judgment, shall deem necessary to
effectuate the provisions of the Loan Documents and to perfect or continue the
perfected status of all Encumbrances granted to the Bank pursuant to the Loan
Documents, including, without limitation, the execution, delivery and filing of
financing statements, amendments thereto and continuation statements, the
delivery of chattel paper, documents or instruments to the Bank, and the
notation of Encumbrances in favor of the Bank on certificates of title.

     6.19 Material Adverse Change.

     Notify the Bank in writing upon any material adverse change in the
business, operations, properties or condition (financial or otherwise) of the
Borrower.

     6.20 Meeting Regarding Projections.

     On or prior to June 1 of each fiscal year the Borrower shall participate in
a meeting with the Bank at which time the Borrower shall discuss with the Bank
the Borrower's financial statement projections for the then current fiscal year,
including without limitation, the Borrower's projected balance sheet, statement
of income and statement of cash flows for such fiscal year.

     6.21 Subordination of Debt.

     Deliver to the Bank a subordination agreement in form and substance
satisfactory to the Bank with respect to any Indebtedness of the Borrower
(except Indebtedness permitted pursuant to Section 7.2 hereof) incurred after
the date hereof.

                       ARTICLE VII   NEGATIVE COVENANTS

     The Borrower hereby covenants and agrees that until satisfaction in full of
the Obligations, it will not do any one or more of the following without first
obtaining the written consent of the Bank:

                                       25
<PAGE>

     7.1 Fundamental Corporate Changes.

          (a) Change its name, enter into or effect any merger (except any
merger where the Borrower is the surviving corporation), consolidation, share
exchange involving in excess of 25% of the Borrower's capital stock, or
dissolve.

          (b) Sell, transfer, lease or otherwise dispose of all or (except in
the ordinary course of business) any material part of its assets or any
significant product line or process;

          (c) Have any Subsidiary, except Blonder International and Vu-Tech
Communications, Inc.

     7.2 Indebtedness.

     Incur, create, assume or have any Indebtedness except:

          (a) The Loans and any Swap Agreement; and

          (b) Indebtedness constituting either Capital Lease Obligations or
Indebtedness under agreements for the installment purchase of equipment,
provided that such Indebtedness does not exceed 100% of the installment purchase
price of such equipment.

     7.3 Encumbrances.

     Create or allow any Encumbrances to be on or otherwise affect any of its
property or assets except:

          (a) Encumbrances in favor of the Bank;

          (b) Encumbrances for taxes, assessments and other governmental charges
incurred in the ordinary course of business which are not yet due and payable or
which are being properly contested in good faith by lawful and appropriate
proceedings;

          (c) Pledges or deposits made in the ordinary course of business to
secure payment of workmen's compensation or to participate in any fund in
connection with workmen's compensation, unemployment insurance or other social
security obligations;

          (d) Good faith pledges or deposits made in the ordinary course of
business to secure performance of tenders, contracts (other than for the
repayment of Indebtedness) or leases or to secure statutory obligations or
surety, appeal, indemnity, performance or other similar bonds required in the
ordinary course of business;

          (e) Liens of mechanics, materialmen, warehousemen, carriers or other
similar liens, securing obligations incurred in the ordinary course of business
that are not yet due and payable or are being contested in good faith by
appropriate and lawful proceedings;


                                       26
<PAGE>

          (f) Encumbrances securing Indebtedness permitted under Section 7.2(b),
provided that (i) no other covenants of this Agreement are thereby violated and
(ii) no equipment other than the equipment so acquired secures such
Indebtedness;

          (g) Encumbrances, if any, otherwise expressly permitted by the Loan
Documents; and

          (h) Encumbrances disclosed in the Financial Statements or as set forth
on Schedule 7.3 attached hereto.

     7.4 Guaranties.

     Directly or indirectly make any Guaranty, other than for the benefit of
Blonder International.

     7.5 Sales and Lease-Backs.

     Sell, transfer or otherwise dispose of any property, real or personal, now
owned or hereafter acquired, with the intention of directly or indirectly taking
back a lease on such property.

     7.6 Loans, Investments.

     Except as set forth on Schedule 4.4(c), purchase, invest in, or make any
loan in the nature of an investment in the stocks, bonds, notes or other
securities or evidence of Indebtedness of any person, or make any loan or
advance to or for the benefit of any Person except for (i) short-term
obligations of the Treasury of the United States of America; (ii) certificates
of deposit issued by banks with shareholders' equity of at least $100,000,000;
(iii) repurchase agreements not exceeding 29 days in duration issued by banks
with shareholders' equity of at least $100,000,000; (iv) notes and other
instruments generally known as "commercial paper" which arise out of current
transactions, which have maturities at the time of issuance thereof not
exceeding nine months and which have, at the time of such purchase, investment
or other acquisition, the highest credit rating of Standard & Poor's Corporation
or Moody's Investors Service, Inc.; (v) investments in the capital stock or
indebtedness of any person or persons where the aggregate of such investment(s)
does not exceed $5,000,000, provided that at the time of, and after giving
effect to such investment(s), no Event of Default and no event which with the
giving of notice, the passage of time or both, would constitute an Event of
Default has occurred or would occur as a result thereof; and (vi) purchases by
the Borrower of the common stock of the Borrower, pursuant to a share repurchase
program duly adopted by the Borrower's Board of Directors and conducted in
accordance with Rule 10b-18 of the Securities Exchange Act of 1934, as amended.

     7.7 Change in Business.

     Discontinue any substantial part, or change the nature of, the business of
the Borrower, or enter into any new business unrelated to the present business
conducted by the Borrower.

     7.8 Sale or Discount of Receivables.

                                       27
<PAGE>

     Sell any notes receivable or accounts receivable, with or without recourse.

     7.9 Prepayment of Indebtedness.

     Make any voluntary prepayments of Indebtedness other than the Loans.

     7.10 ERISA.

          (a) Terminate any Plan maintained by the Borrower to which Section
4021 of ERISA applies;

          (b) Allow the value of the benefits guaranteed under Title IV of ERISA
to exceed the value of assets allocable to such benefits;

          (c) Incur a withdrawal liability within the meaning of Section 4201 of
ERISA.

     7.11 Compliance with Federal Reserve Board Regulations.

     (i) Use any of the proceeds of the Loans, directly or indirectly, for the
purposes of purchasing or carrying any "margin security" within the meaning of
Regulations G or U of the Board of Governors of the Federal Reserve System (12
C.F.R. 207, 221), (ii) use any of the proceeds of the Loans, directly or
indirectly, for the purpose of purchasing, carrying or trading in any securities
under such circumstances as to involve the Borrower in a violation of Regulation
X of such Board (12 C.F.R. 224), or (iii) take or permit to be taken any other
action which would result in the Loans or the consummation of any of the other
transactions contemplated hereby being violative of such regulations or any
other regulation of such Board.

     7.12 Blonder International.

     Until satisfaction in full of all Obligations of the Borrower to the Bank,
unless the Bank shall otherwise consent in writing, the Borrower shall not
transfer assets having a value in excess of $200,000 in the aggregate to Blonder
International, and shall not permit Blonder International to have assets having
an aggregate book value in excess of $200,000.

                       ARTICLE VIII   EVENTS OF DEFAULT

     An event of default ("Event of Default") under this Agreement shall be
deemed to exist if any one or more of the following events occurs and is
continuing, whatever the reason therefor:

     8.1 Borrower's Failure to Pay.

     The Borrower fails to pay any amount of principal, interest, fees or other
sums as and when due under this Agreement, any other Loan Documents, any other
Obligation or any Swap Agreement, whether upon stated maturity, acceleration, or
otherwise and has not remedied and fully cured such failure to pay within ten
(10) Business Days after the date such payment is so due.

                                       28
<PAGE>

     8.2 Breach of Covenants or Conditions.

     The Borrower or any of the Other Loan Parties fails to perform or observe
any term, covenant, agreement or condition in this Agreement, any other Loan
Documents or any Swap Agreement or is in violation of non-compliance with any
provision of this Agreement, any other Loan Document or any Swap Agreement, and
has not remedied and fully cured such non-performance, non-observance, violation
of or non-compliance within thirty (30) days after the Bank has given written
notice thereof to the Borrower, or such Other Loan Party; provided, however,
that during such thirty (30) day period the Bank's obligations to make further
Loans to the Borrower shall be suspended.

     8.3 Defaults in Other Agreements.

     The Borrower or any of the Other Loan Parties fails to perform or observe
any term, covenant, agreement or condition contained in, or there shall occur
any default under or as defined in, any other agreement applicable to the
Borrower or any of the Other Loan Parties or by which any of them is bound
involving a material liability of the Borrower or any of the Other Loan Parties
which shall not be remedied within the period of time (if any) within which such
other agreement permits such default to be remedied, unless such default is
waived by the other party thereto or excused as a matter of law.

     8.4 Agreements Invalid.

     The validity, binding nature of, or enforceability of any material term or
provision of any of the Loan Documents is disputed by, on behalf of, or in the
right or name of the Borrower or any of the Other Loan Parties or any material
term or provision of any such Loan Document is found or declared to be invalid,
avoidable, or non-enforceable by any court of competent jurisdiction.

     8.5 False Warranties; Breach of Representations.

     Any warranty or representation made by the Borrower or any of the Other
Loan Parties in this Agreement or any other Loan Document or in any certificate
or other writing delivered under or pursuant to this Agreement or any other Loan
Document, or in connection with any provision of this Agreement or related to
the transactions contemplated hereby shall prove to have been false or incorrect
or breached in any material respect on the date as of which made.

     8.6 Judgments.

     A final judgment or judgments is entered, or an order or orders of any
judicial authority or governmental entity is issued against the Borrower or any
of the Other Loan Parties (such judgment(s) and order(s) hereinafter
collectively referred to as "Judgment") (i) for payment of money, which
Judgment, in the aggregate, exceeds Two Hundred Thousand Dollars ($250,000.00)
outstanding at any one time which is not covered by insurance; or (ii) for
injunctive or declaratory relief which would have a material adverse effect on
the ability of the Borrower or any of the Other Loan Parties to conduct its
business, and such Judgment is not discharged or execution thereon or
enforcement thereof stayed pending appeal, within thirty days after entry or


                                       29
<PAGE>

issuance thereof, or, in the event of such a stay, such Judgment is not
discharged within thirty days after such stay expires.

     8.7 Bankruptcy or Insolvency of the Borrower or Other Loan Parties.

          (a) The Borrower or any of the Other Loan Parties becomes insolvent,
or generally fails to pay, or is generally unable to pay, or admits in writing
its inability to pay, its debts as they become due or applies for, consents to,
or acquiesces in, the appointment of a trustee, receiver or other custodian for
the Borrower or any of the Other Loan Parties, as the case may be, or a
substantial part of its property, or makes a general assignment for the benefit
of creditors.

          (b) The Borrower or any of the Other Loan Parties commences any
bankruptcy, reorganization, debt arrangement, or other case or proceeding under
any state or federal bankruptcy or insolvency law, or any dissolution or
liquidation proceeding.

          (c) Any bankruptcy, reorganization, debt arrangement, or other case or
proceeding under any state or federal bankruptcy or insolvency law, or any
dissolution or liquidation proceeding, is involuntarily commenced against or in
respect of the Borrower or any of the Other Loan Parties, or an order for relief
is entered in any such proceeding which is not terminated upon the earlier of
(i) the entry of an order to relief in any such proceeding or (ii) within ninety
(90) days after such case or proceeding is involuntarily commenced.

          (d) A trustee, receiver, or other custodian is appointed for the
Borrower or any of the Other Loan Parties or a substantial part of such Person's
property and such appointment is not terminated within ninety (90) days
thereafter.

                            ARTICLE IX   REMEDIES

     9.1 Further Advances; Acceleration; Setoff.

          (a) Upon the occurrence of any one or more Events of Default, the Bank
may, in its sole discretion, refuse to make any further advances or Loans to the
Borrower;

          (b) Automatically upon the occurrence of any Event of Default
described in Section 8.7 of this Agreement, and in the sole discretion of the
Bank upon the occurrence of any other Event of Default, the unpaid principal
balance of all Loans, all interest and fees accrued and unpaid thereon, and all
other amounts and Obligations payable by the Borrower under this Agreement and
the other Loan Documents shall immediately become due and payable in full, all
without protest, presentment, demand, or further notice of any kind to the
Borrower, all of which are expressly waived by the Borrower;

          (c) If any of the Obligations shall be due and payable or any one or
more Events of Default shall have occurred, the Bank shall have the right, in
addition to all other rights and remedies available to it, without notice to the
Borrower, to apply toward and set-off against and apply to the then unpaid
balance of the Notes and the other Obligations any items or funds held by the
Bank, any and all deposits (whether general or special, time or demand, matured
or unmatured, fixed or contingent, liquidated or unliquidated) now or hereafter
maintained by the Borrower for its own account with the Bank, and any other
indebtedness at any time held or owing


                                       30
<PAGE>

by the Bank to or for the credit or the account of the Borrower. For such
purpose the Bank shall have, and the Borrower hereby grants to the Bank, a first
lien on all such deposits. The Bank is hereby authorized to charge any such
account or indebtedness for any amounts due to the Bank. Such right of set-off
shall exist whether or not the Bank shall have made any demand under this
Agreement, the Notes or any other Loan Document and whether or not the Notes and
the other Obligations are matured or unmatured. The Borrower hereby confirms the
Bank's lien on such accounts and right of set-off, and nothing in this Agreement
shall be deemed any waiver or prohibition of such lien and right of set-off.

     9.2 Further Remedies.

     Upon the occurrence of any one or more Events of Default, the Bank may
proceed to protect and enforce its rights under this Agreement and the other
Loan Documents by exercising such remedies as are available to the Bank in
respect thereof under applicable law, either by suit in equity or by action at
law, or both, whether for specific performance of any provision contained in
this Agreement or any of the other Loan Documents or in aid of the exercise of
any power granted in this Agreement or any of the other Loan Documents.

                          ARTICLE X   MISCELLANEOUS

     10.1 Remedies Cumulative; No Waiver.

     The rights, powers and remedies of the Bank provided in this Agreement and
the other Loan Documents are cumulative and not exclusive of any right, power or
remedy provided by law or equity, and no failure or delay on the part of the
Bank in the exercise of any right, power, or remedy shall operate as a waiver
thereof, nor shall any single or partial exercise of any right, power, or remedy
preclude other or further exercise thereof, or the exercise of any other right,
power or remedy.

     10.2 Notices.

     Every notice and communication under this Agreement or any of the other
Loan Documents shall be in writing and shall be given by either (i)
hand-delivery, (ii) first class mail (postage prepaid), (iii) reliable overnight
commercial courier (charges prepaid), or (iv) telecopy or other means of
electronic transmission, if confirmed promptly by any of the methods specified
in clauses (i), (ii) and (iii) of this sentence, to the following addresses:

                      If to the Borrower:

                      Blonder Tongue Laboratories, Inc.
                      One Jake Brown Road
                      Old Bridge, NJ  08857
                      Attn:  Mr. James A. Luksch, President
                      Fax:  (732) 679-4353

                      With a copy to:

                      Stradley, Ronon, Stevens & Young
                      2600 One Commerce Square
                      Philadelphia, PA  19103-7098
                      Attn:  Gary P. Scharmett, Esquire
                      Fax:  (215) 564-8120

                                       31
<PAGE>

                      If to the Bank:

                      First Union National
                      370 Scotch Road
                      West Trenton, NJ 08628
                      Attn:  Richard Banning
                      Fax:  (609) 771-5860

                      With a copy to:

                      McCarter & English, LLP
                      100 Mulberry Street
                      Newark, NJ 07102
                      Attn:  Bart Colli, Esq.
                      Fax:  (973) 624-7070

     Notice given by telecopy or other means of electronic transmission shall be
deemed to have been given and received when sent. Notice by overnight courier
shall be deemed to have been given and received on the date scheduled for
delivery. Notice by mail shall be deemed to have been given and received three
(3) calendar days after the date first deposited in the United States Mail.
Notice by hand delivery shall be deemed to have been given and received upon
delivery. A party may change its address by giving written notice to the other
party as specified herein.

     10.3 Costs, Expenses and Attorneys' Fees.

     Whether or not the transactions contemplated by this Agreement and the
other Loan Documents are fully consummated, the Borrower shall promptly pay (or
reimburse, as the Bank may elect) all costs and expenses which the Bank has
incurred or may hereafter incur in connection with the negotiation, preparation,
reproduction, interpretation and enforcement of this Agreement and the other
Loan Documents, the collection of all amounts due hereunder and thereunder, and
any amendment, modification, consent or waiver which may be hereafter requested
by the Borrower or otherwise required. Such costs and expenses shall include,
without limitation, the fees and disbursements of counsel to the Bank, the costs
of appraisal fees, searches of public records, costs of filing and recording
documents with public offices, and similar costs and expenses incurred by the
Bank. Upon the occurrence of an Event of Default, such costs shall also include
the fees of any accountants, consultants or other professionals retained by the
Bank. The Borrower's reimbursement obligations under this Section shall survive
any termination of this Agreement.


     10.4 Survival of Covenants.

     This Agreement and all covenants, agreements, representations and
warranties made herein and in any certificates delivered pursuant hereto shall
survive the making of the Loans and the execution and delivery of the Notes and,
subject to the provisions of 10.15 hereof, shall continue in full force and
effect until all of the Obligations have been fully paid, performed, satisfied
and discharged.

                                       32
<PAGE>


     10.5 Counterparts; Effectiveness.

     This Agreement may be executed in any number of counterparts and by the
different parties on separate counterparts. Each such counterpart shall be
deemed to be an original, but all such counterparts shall together constitute
one and the same Agreement. This Agreement shall be deemed to have been executed
and delivered when the Bank has received counterparts hereof executed by all
parties listed on the signature page(s) hereto.

     10.6 Headings.

     The headings of sections have been included herein for convenience only and
shall not be considered in interpreting this Agreement.

     10.7 Payment Due On A Day Other Than A Business Day.

     If any payment due or action to be taken under this Agreement or any Loan
Document falls due or is required to be taken on a day which is not a Business
Day, such payment or action shall be made or taken on the next succeeding
Business Day and such extended time shall be included in the computation of
interest.


     10.8 Judicial Proceedings.

     Each party to this Agreement agrees that any suit, action or proceeding,
whether claim or counterclaim, brought or instituted by any party hereto or any
successor or assign of any party, on or with respect to this Agreement or any of
the other Loan Documents or the dealings of the parties with respect hereto, or
thereto, shall be tried only by a court and not by a jury. EACH PARTY HEREBY
KNOWINGLY, VOLUNTARILY AND INTENTIONALLY WAIVES ANY RIGHT TO A TRIAL BY JURY IN
ANY SUCH SUIT, ACTION OR PROCEEDING. Further, each party waives any right it may
have to claim or recover, in any such suit, action or proceeding, any special,
exemplary, punitive or consequential damages or any damages other than, or in
addition to, actual damages. THE BORROWER ACKNOWLEDGES AND AGREES THAT THIS
SECTION IS A SPECIFIC AND MATERIAL ASPECT OF THIS AGREEMENT AND THAT THE BANK
WOULD NOT EXTEND CREDIT TO THE BORROWER IF THE WAIVERS SET FORTH IN THIS SECTION
WERE NOT A PART OF THIS AGREEMENT.

     10.9 Governing Law.

     This Agreement shall be construed in accordance with and governed by the
internal laws of the Commonwealth of Pennsylvania.

     10.10 Integration.

     This Agreement and the other Loan Documents constitute the sole agreement
of the parties with respect to the subject matter hereof and thereof and
supersede all oral negotiations and prior writings with respect to the subject
matter hereof and thereof.

                                       33
<PAGE>

     10.11 Amendment and Waiver.

     No amendment of this Agreement, and no waiver of any one or more of the
provisions hereof shall be effective unless set forth in writing and signed by
the parties hereto.


     10.12 Successors and Assigns.

          (a) Generally. This Agreement (i) shall be binding upon the Borrower
and the Bank and their respective successors and assigns, and (ii) shall inure
to the benefit of the Borrower and the Bank and its respective successors and
assigns, provided, however, that the Borrower may not assign its rights
hereunder or any interest herein without the prior written consent of the Bank,
and any such assignment or attempted assignment by the Borrower shall be void
and of no effect with respect to the Bank.

          (b) Participations. The Bank may from time to time sell or otherwise
grant participations in the Loans and the Notes, and the holder of any such
participation, if the participation agreement so provides, (i) shall, with
respect to its participation, be entitled to all of the rights of the Bank and
(ii) may exercise any and all rights of setoff or banker's lien with respect
thereto, in each case as fully as though the Borrower were directly indebted to
the holder of such participation in the amount of such participation. The Bank
may disclose to prospective participants such information regarding the
Borrower's affairs as the Bank possesses. The Bank shall give notice to the
Borrower of the grant of such participations; however, the failure to give such
notice shall not affect any of the Bank's rights hereunder.

     10.13 Severability of Provisions.

     Any provision in this Agreement that is held to be inoperative,
unenforceable, voidable, or invalid in any jurisdiction shall, as to that
jurisdiction, be ineffective, unenforceable, void or invalid without affecting
the remaining provisions, and to this end the provisions of this Agreement are
declared to be severable.

     10.14 Consent to Jurisdiction and Service of Process.

     The Borrower irrevocably appoints each and every officer of the Borrower as
its attorneys upon whom may be served, by regular or certified mail at the
address set forth in Section 10.2 hereof, any notice, process or pleading in any
action or proceeding against it arising out of or in connection with this
Agreement or any of the other Loan Documents; and, subject to Section 10.16 the
Borrower hereby (i) consents that any action or proceeding against it be
commenced and maintained in any court within the Commonwealth of Pennsylvania or
in the United States District Court for the Eastern District of Pennsylvania by
service of process on any such officer; (ii) agrees that the courts of the
Commonwealth of Pennsylvania and the United States District Court for the
Eastern District of Pennsylvania shall have jurisdiction with respect to the
subject matter hereof and the person of the Borrower and the Collateral, and
(iii) waives any objection that such Borrower may now or hereafter have as to
the venue of any such suit, action or proceeding brought in such a court or that
such court is an inconvenient forum. Notwithstanding the foregoing, the Bank, in
its absolute discretion may also initiate proceedings in the courts of any


                                       34
<PAGE>

other jurisdiction in which the Borrower may be found or in which any of its
properties or the Collateral may be located.

     10.15 Indemnification.

          (a) If, after receipt of any payment of all or any part of the
Obligations, the Bank is compelled to surrender such payment to any Person or
entity for any reason (including, without limitation, a determination that such
payment is void or voidable as a preference or fraudulent conveyance, an
impermissible setoff, or a diversion of trust funds), then this Agreement and
the other Loan Documents shall continue in full force and effect, and the
Borrower shall be liable for, and shall indemnify, defend and hold harmless the
Bank with respect to the full amount so surrendered.

          (b) The Borrower shall indemnify, defend and hold harmless the Bank
with respect to any and all claims, expenses, demands, losses, costs, fines or
liabilities of any kind, including reasonable attorneys' fees and costs, arising
from or in any way related to (i) acts or conduct of the Borrower or any of the
Other Loan Parties under, pursuant to or related to this Agreement and the other
Loan Documents, (ii) Borrower's or any Other Loan Party's breach or violation of
any representation, warranty, covenant or undertaking contained in this
Agreement or the other Loan Documents, and (iii) Borrower's or any other Loan
Party's failure to comply with any or all laws, statutes, ordinances,
governmental rules, regulations or standards, whether federal, state, or local,
or court or administrative orders or decrees, including without limitation those
resulting from any Hazardous Materials or dangerous environmental condition
within, on, from, related to or affecting any real property owned or occupied by
the Borrower, unless resulting from the acts or conduct of the Bank constituting
gross negligence or willful misconduct.

          (c) The provisions of this section shall survive the termination of
this Agreement and the other Loan Documents and shall be and remain effective
notwithstanding the payment of the Obligations, the cancellation of any of the
Notes, the release of any Encumbrance securing the Obligations or any other
action which the Bank may have taken in reliance upon its receipt of such
payment. Any cancellation of any of the Notes, release of any Encumbrance or
other such action shall be deemed to have been conditioned upon any payment of
the Obligations having become final and irrevocable.

     10.16 Arbitration Provisions.

          (a) Upon demand of any party hereto, whether made before or after
institution of any judicial proceeding, any claim or controversy arising out of,
or relating to the Loan Documents (a "Dispute") shall be resolved by binding
arbitration conducted under and governed by the Commercial Financial Disputes
Arbitration Rules (the "Arbitration Rules") of the American Arbitration
Association (the "AAA") and the Federal Arbitration act. Disputes may include,
without limitation, tort claims, counterclaims, disputes as to whether a matter
is subject to arbitration, claims brought as class actions, or claims arising
from document executed in the future. A judgment upon the award may be entered
in any court having jurisdiction. Notwithstanding the foregoing, this
arbitration provision does not apply to disputes under or related to Swap
Agreements.

                                       35
<PAGE>

          (b) All arbitration hearings shall be conducted in the city in which
the office of Bank first stated above is located. A hearing shall begin within
90 days of demand for arbitration and all hearings shall be concluded within 120
days of demand for arbitration. These time limitations may not be extended
unless a party shows cause for extension and then for no more than a total of 60
days. Arbitrators shall be licensed attorneys selected from the Commercial
Financial Dispute Arbitration Panel of the AAA. The parties do not waive
applicable Federal or state substantive law except as provided herein.

          (c) Notwithstanding the preceding binding arbitration provisions, the
parties agree to preserve, without diminution, certain remedies that any party
may exercise before or after an arbitration proceeding is brought. The parties
shall have the right to proceed in any court of proper jurisdiction or by
self-help to exercise or prosecute the following remedies, as applicable: (i)
all rights to foreclose against any real or personal property or other security
by exercising a power of sale or under applicable law by judicial foreclosure
including a proceeding to confirm the sale; (ii) all rights of self-help
including peaceful occupation of real property and collection of rents, set-off,
and peaceful possession of personal property; and (iii) obtaining provisional or
ancillary remedies including injunctive relief, sequestration, garnishment,
attachment, appointment of receiver and filing an involuntary bankruptcy
proceeding. Any claim or controversy with regard to any party's entitlement to
such remedies is a Dispute.

          (d) Each party agrees that it shall not have a remedy of punitive or
exemplary damages against the other in any Dispute and hereby waive any right or
claim to punitive or exemplary damages they have now or which may arise in the
future in connection with any Dispute, whether the Dispute is resolved by
arbitration or judicially.

          (e) The parties acknowledges that by agreeing to binding arbitration
they have irrevocably waived any right they may have to a jury trial with regard
to a Dispute.

     10.17 Temporary Reduction to Line of Credit Facility.

     Notwithstanding any provisions herein to the contrary, the maximum
principal amount available to the Borrower under the Line of Credit is hereby
reduced by $800,000 to $14,200,000 until such time as the Borrower delivers the
following fully executed documents to the Bank pertaining to Inventory consigned
to LodgeNet Entertainment Corporation ("LodgeNet") and stored at LodgeNet's
facilities in Sioux Falls, South Dakota: (i) a consignment agreement between the
Borrower, the Bank and LodgeNet; (ii) a waiver of lien letter between National
Westminster Bank, PLC and the Borrower; (iii) a notice of consignment by the
Borrower to National Westminster Bank, PLC; (iv) state and county UCC-1
Financing Statements executed by LodgeNet as consignee in favor of the Borrower
as secured party; (v) and state and county UCC-1 Financing Statements executed
by the Borrower in favor of the Bank as secured party. The foregoing documents
will be delivered to the Bank (except for (ii) above, which will be delivered
only if received by Borrower after using best efforts to obtain same) in
substantially the same form as the same have been heretofore circulated among
the parties. The Borrower represents and warrants that the


                                       36
<PAGE>

value (as determined by the open market price of Borrower's similar goods) of
Inventory at LodgeNet's facility in South Dakota has not and will not exceed
$800,000, until such time as the Borrower delivers the foregoing documents to
the Bank.

     IN WITNESS WHEREOF, the undersigned have caused this Agreement to be
executed by their duly authorized officers on the date first above written.

Blonder Tongue Laboratories, Inc.



By: /s/ James A. Luksch
    ----------------------------
    James A. Luksch
    President


First Union National Bank



By: /s/ Richard Banning
    ----------------------------
    Richard Banning
    Assistant Vice President


                                       37
<PAGE>



                                 Schedule 4.4(b)

     Lease commitments effective April 30, 1999 between Borrower and CoreStates
Leasing, Inc. or its successor for the aggregate amount of $954,263, as follows:

                  Mydata Machine            $ 332,809
                  BPCS                      $  77,515
                  Insertech                 $  98,051
                  Payroll                   $  34,639
                  Locator Machine           $  16,650
                  Speed Mount               $ 196,470
                  Locator Machine           $  18,725
                  Amada Press               $ 103,160
                  Dispenser                 $  19,561
                  Press Break               $  56,683
                                            ---------
                                            $ 954,263



                                       38
<PAGE>

                                 Schedule 4.4(c)

     Investment in Enhances Telecommunications, Inc. ("ETI") pursuant to Share
Exchange Agreement dated July 20, 1996 pursuant to which Borrower issued 8,333
shares of its common stock in exchange for 11,211 shares of ETI's common stock.



                                       39
<PAGE>

                                  Schedule 6.16

                               FINANCIAL COVENANTS

     This Schedule is a part of the Fourth Amended and Restated Loan Agreement
dated as of February 1, 1999 between First Union National Bank and Blonder
Tongue Laboratories, Inc.

     A. Debt Coverage Ratio--The Borrower shall have a Debt Coverage Ratio at
the end of the fiscal year ending December 31, 1998 of not less than 2:00:1.00,
and for each fiscal year thereafter.

     B. Net Working Capital--The Borrower shall have Net Working Capital of not
less than $12,000,000 for the fiscal year ending December 31, 1998, and for each
fiscal quarter thereafter.

     C. Ratio of Senior Debt to Capital Funds--The Borrower shall have a ratio
of Senior Debt to Capital Funds of not more than 1.50:1.00 for the fiscal year
ending December 31, 1998, and for each fiscal quarter thereafter.

     For purposes of this Schedule, all capitalized terms used herein and not
otherwise defined shall have the meanings given to them, respectively, in the
Loan Agreement, and the following terms shall have the following meanings:

     "Capital Funds" shall mean, at any time, the sum of Subordinated
Indebtedness plus Tangible Net Worth.

     "Current Assets" shall mean, at any time, all assets which, in accordance
with GAAP, should be classified as current assets of the Borrower.

     "Current Liabilities" shall mean, at any time, all Liabilities which, in
accordance with GAAP, should be classified as current liabilities of the
Borrower.

     "Debt Coverage Ratio" shall mean for each Fiscal Year the ratio of (A) the
Net Income for such Fiscal Year increased by the sum of (i) interest expense for
such Fiscal Year, plus (ii) income tax expense for such Fiscal Year, plus (iii)
the depreciation and amortization expense included in the income statement for
such Fiscal Year, to (B) interest expense for such Fiscal Year, plus the prior
Fiscal Year's current maturities of long term debt, all as determined in
accordance with GAAP.

     "Liabilities" shall mean, at any time, all liabilities which, in accordance
with GAAP, shall be classified as liabilities of the Borrower.

     "Net Income" shall mean, for any period, the net income of the Borrower,
determined in accordance with GAAP, excluding:

          (a) the proceeds of any insurance policy;

          (b) any gain or loss arising from:

               (1) the sale or other disposition of any assets (other than
Current Assets);

               (2) any write-up of assets; or

               (3) the acquisition of outstanding securities representing
Indebtedness of the Borrower;

                                       40
<PAGE>

          (c) any amount representing any interest in the undistributed earnings
of any Person;

          (d) any earnings, prior to the date of acquisition, of any Person
acquired in any manner;

          (e) any earnings of a successor to or transferee of the assets of the
Borrower prior to becoming such successor or transferee;

          (f) any deferred credit (or amortization of a deferred credit) arising
from the acquisition of any Person; and

          (g) any other item constituting an extraordinary gain or loss under
GAAP.

     "Net Working Capital" shall mean, at any time, the amount by which Current
Assets exceed Current Liabilities, less any amount due from any Affiliate to the
extent that such amount is included in Current Assets.

     "Senior Debt" shall mean, at any time, all Liabilities less all
Subordinated Indebtedness.

     "Subordinated Indebtedness" shall mean, at any time, all Indebtedness
subordinated to the Obligations on terms satisfactory to the Bank.

     "Stockholders' Equity" shall mean, at any time, stockholders' equity as
determined in accordance with GAAP.

     "Tangible Net Worth" shall mean, at any time, the aggregate Stockholders'
Equity, less all intangible assets of the Borrower, including, without
limitation, organization costs, securities issuance costs, unamortized debt
discount and expense, goodwill, excess of purchase costs over net assets
acquired, patents, trademarks, trade names, copyrights, trade secrets, know how,
licenses, franchises, capitalized research and development expenses, amounts
owing from officers and/or Affiliates and any amount reflected as treasury
stock.

                                       41
<PAGE>

                                  Schedule 7.3

            Liens securing indebtedness disclosed on Schedule 4.4(b).



                                       42
<PAGE>

                                    Exhibit A

                              ACQUISITION LOAN NOTE
$________________                                             ___________, 199__


     FOR VALUE RECEIVED, BLONDER TONGUE LABORATORIES, INC., a Delaware
corporation (the "Borrower"), hereby promises to pay to the order of FIRST UNION
NATIONAL BANK (the "Bank") the principal amount of ______________________
($___________). This Acquisition Loan Note is issued under the Fourth Amended
and Restated Loan Agreement dated as of February 1, 1999 by and between the
Borrower and the Bank as may be amended, modified or restated from time to time
(the "Loan Agreement"). Terms capitalized but not defined herein shall have the
meanings given to then respectively in the Loan Agreement. Reference is made to
the Loan Agreement for a statement of the terms and conditions under which the
loan evidenced hereby has been made, is secured, and may be prepaid or
accelerated.

     At the election of the Borrower, and as set forth in the Loan Agreement,
interest only shall be payable under this Acquisition Loan Note for a period of
up to 6 months. Thereafter this Acquisition Loan Note shall be repayable in up
to 60 monthly installments as determined in accordance with the Loan Agreement.

     Interest shall be determined in accordance with the Loan Agreement and
shall be calculated on the basis of a 360-day year, counting the actual number
of days elapsed. Subsequent to maturity or the occurrence of any Event of
Default, and continuing after the entry of any judgment against the Borrower
with respect to the obligations evidenced by this Note, interest shall accrue at
an annual rate which shall be two percent (2%) above the rate of interest
otherwise payable hereunder. Accrued interest shall be payable monthly on the
first day of each month commencing with the month immediately following the date
hereof and if not paid when due, shall be added to the principal.

     The Borrower hereby waives the requirements of demand, presentment,
protest, notice of protest and dishonor and all other demands or notices of any
kind in connection with the delivery, acceptance, performance, default, dishonor
or enforcement of this Note.

     The construction, interpretation and enforcement of this Note shall be
governed by the internal laws of the State of New Jersey.

     IN WITNESS WHEREOF, and intending to be legally bound hereby, the Borrower
has caused this Note to be executed by its duly authorized officer as of the day
and year first above written.

                                          BLONDER TONGUE LABORATORIES, INC.


                                          By:  This is an Exhibit - do not sign
                                               --------------------------------



                                       43
<PAGE>

                                    Exhibit B

                       SECOND ALLONGE TO REAL ESTATE NOTE

     This is the second allonge dated as of February 1, 1999 to the Real Estate
Loan Note dated May 23, 1996 (the "Note") from BLONDER TONGUE LABORATORIES,
INC., a Delaware corporation (the "Borrower"), payable to the order of MERIDIAN
BANK (predecessor to FIRST UNION NATIONAL BANK, hereafter the "Bank") in the
original principal amount of Two Million Eight Hundred Thousand Dollars
($2,800,000.00). The Note was issued under the Amended and Restated Loan
Agreement dated October 2, 1995, as amended by a First Amendment and a certain
Second Amendment dated May 23, 1996 to the Amended and Restated Loan Agreement
and is the subject of an Allonge dated September 26, 1996. This Allonge is being
entered into in connection with the Fourth Amended and Restated Loan Agreement
dated as of February 1, 1999 by and between the Borrower and the Bank. The
Fourth Amended and Restated Loan Agreement dated February 1, 1999 as may be
further amended, modified or restated from time to time is hereafter referred to
as the "Loan Agreement". Terms capitalized but not defined herein shall have the
meanings given to them respectively in the Loan Agreement.

     Following the application of the June 1, 1999 payment of principal and
interest, the outstanding principal balance under the Note is $2,224,444.28.

     The Borrower has requested that the Bank agree to amend the terms upon
which interest is calculated under the Real Estate Loan. The Bank is willing to
make such amendments on the terms and conditions set forth herein.

     Now therefore, in consideration of the agreement of the parties contained
herein, and intending to be legally bound, the parties hereto agree as follows:

     1. Principal payments under the Note shall be as follows (i) eighty two
(82) consecutive, monthly installments in the amount of $15,555.56 on the first
Business Day of each month, which payments will commence on July 1, 1999 and end
on April 1, 2006, and (ii) a final installment, consisting of the entire
remaining principal balance of the Existing Real Estate Loan, together with all
accrued interest thereon, which shall be due and payable May 1, 2006.

     2. The term "Loan Agreement" as used in the Note shall have the meaning
assigned in the introductory paragraph to this Second Allonge.

     3. All other terms of the Note and the Loan Agreement remain in full force
and effect.

     4. The construction, interpretation and enforcement of this allonge to the
Note shall be governed by the internal laws of the State of New Jersey.

     IN WITNESS WHEREOF, and intending to be legally bound hereby, the Borrower
and the Bank have caused this allonge to the Note to be executed by their duly
authorized officers as of the day and year first above written.



                                       44
<PAGE>

                        BLONDER TONGUE LABORATORIES, INC

                        By:_____________________________
                           Name:
                           Title:

                           FIRST UNION NATIONAL BANK

                        By:______________________________
                           Name:
                           Title:



                                       45
<PAGE>

                                    Exhibit C

                     SECOND ALLONGE TO ACQUISTION LOAN NOTE

     This is the second allonge dated as of February 1, 1999 to the Acquisition
Loan Note dated March 25, 1998 (the "Note") from BLONDER TONGUE LABORATORIES,
INC., a Delaware corporation (the "Borrower"), payable to the order of
CORESTATES BANK, N.A. (predecessor to FIRST UNION NATIONAL BANK, hereafter the
"Bank") in the principal amount of Nineteen Million Dollars ($19,000,000.00).
The Note was issued under the Third Amended and Restated Loan Agreement dated
October 29, 1997 by and between the Borrower and the Bank, as previously amended
by the First Amendment dated March 23, 1998. The Fourth Amended and Restated Loa
Agreement dated as of February 1, 1999 and as may be further amended, modified
or restated from time to time is hereafter referred to as the "Loan Agreement".
Terms capitalized but not defined herein shall have the meanings given to them
respectively in the Loan Agreement.

     Now therefore, in consideration of the agreement of the parties contained
herein, and intending to be legally bound, the parties hereto agree as follows:

     1. The principal amounts due under this Note shall be repaid in fifty nine
(59) consecutive monthly payments of $316,666.67 commencing on June 1, 1999,
with a final principal payment of $316,666.47 on May 1, 2004.

     2. All other terms of the Note and the Loan Agreement remain in full force
and effect.

     3. The construction, interpretation and enforcement of this allonge to the
Note shall be governed by the internal laws of the State of New Jersey.

     IN WITNESS WHEREOF, and intending to be legally bound hereby, the
Borrower and the Bank have caused this allonge to the Note to be executed by
their duly authorized officers as of the day and year first above written.

                        BLONDER TONGUE LABORATORIES, INC.

                        By:___________________________
                           Name:
                           Title:

                           FIRST UNION NATIONAL BANK

                        By:____________________________
                           Name:
                           Title:



                                       46
<PAGE>



                           FOURTH AMENDED AND RESTATED
                                 LOAN AGREEMENT

                                     between

                            FIRST UNION NATIONAL BANK


                                       and

                        BLONDER TONGUE LABORATORIES, INC.

                          Dated as of February 1, 1999


                                       47
<PAGE>




                                TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----


<S>                                                                                                               <C>
ARTICLE I      DEFINITIONS.........................................................................................1

         1.1      Definitions......................................................................................1

ARTICLE II        CREDIT ACCOMMODATIONS............................................................................7

         2.1      The Line of Credit...............................................................................7
         2.2      Real Estate Loan.................................................................................9
         2.3      Acquisition Facility............................................................................10
         2.4      Requirements of Law.............................................................................13
         2.5      Determinations..................................................................................13
         2.6      Payments and Computations.......................................................................14
         2.7      Borrowing.......................................................................................14
         2.8      Prepayment and Repayment........................................................................14

ARTICLE III       SECURITY........................................................................................15

         3.1      Security Documents..............................................................................15

ARTICLE IV        REPRESENTATIONS AND WARRANTIES OF THE BORROWER..................................................15

         4.1      Good Standing of the Borrower; Authorization....................................................15
         4.2      Compliance with Laws and Other Agreements.......................................................16
         4.3      No Conflict; Governmental Approvals.............................................................16
         4.4      Financial and Other Information Regarding Borrower..............................................16
         4.5      Taxes...........................................................................................17
         4.6      Encumbrances and Guaranties.....................................................................17
         4.7      Material Adverse Changes........................................................................17
         4.8      Margin Securities...............................................................................17
         4.9      ERISA...........................................................................................17
         4.10     Pending Litigation..............................................................................18
         4.11     Valid, Binding and Enforceable..................................................................18
         4.12     Priority of Security Interests..................................................................18
         4.13     Environmental Matters...........................................................................18
         4.14     No Untrue Statements............................................................................19

ARTICLE V         CONDITIONS PRECEDENT TO THE BANK'S OBLIGATIONS..................................................19

         5.1      Documents to be Delivered by the Borrower at Closing............................................19
         5.2      Conditions Precedent to Making Line of Credit Loans or Acquisition Loans........................20

ARTICLE VI        AFFIRMATIVE COVENANTS OF THE BORROWER...........................................................20

         6.1      Use of Proceeds.................................................................................21
</TABLE>



                                       48
<PAGE>


<TABLE>

<S>                                                                                                               <C>
         6.2      Financial Statements............................................................................21
         6.3      Ordinary Course of Business; Records............................................................21
         6.4      Information for the Bank........................................................................22
         6.5      Insurance.......................................................................................22
         6.6      Maintenance.....................................................................................23
         6.7      Taxes...........................................................................................23
         6.8      Leases..........................................................................................23
         6.9      Corporate Existence; Certain Rights; Laws.......................................................23
         6.10     Notice of Litigation or Other Proceedings.......................................................23
         6.11     Indebtedness....................................................................................23
         6.12     Notice of Events of Default.....................................................................24
         6.13     ERISA...........................................................................................24
         6.14     Deposit Accounts................................................................................24
         6.15     Management......................................................................................24
         6.16     Financial Covenants.............................................................................25
         6.17     Compliance with Environmental Laws..............................................................25
         6.18     Further Actions.................................................................................25
         6.19     Material Adverse Change.........................................................................25
         6.20     Meeting Regarding Projections...................................................................25
         6.21     Subordination of Debt...........................................................................25

ARTICLE VII       NEGATIVE COVENANTS..............................................................................25

         7.1      Fundamental Corporate Changes...................................................................26
         7.2      Indebtedness....................................................................................26
         7.3      Encumbrances....................................................................................26
         7.4      Guaranties......................................................................................27
         7.5      Sales and Lease-Backs...........................................................................27
         7.6      Loans, Investments..............................................................................27
         7.7      Change in Business..............................................................................27
         7.8      Sale or Discount of Receivables.................................................................27
         7.9      Prepayment of Indebtedness......................................................................28
         7.10     ERISA...........................................................................................28
         7.11     Compliance with Federal Reserve Board Regulations...............................................28
         7.12     Blonder International...........................................................................28

ARTICLE VIII      EVENTS OF DEFAULT...............................................................................28

         8.1      Borrower's Failure to Pay.......................................................................28
         8.2      Breach of Covenants or Conditions...............................................................29
         8.3      Defaults in Other Agreements....................................................................29
         8.4      Agreements Invalid..............................................................................29
         8.5      False Warranties; Breach of Representations.....................................................29
         8.6      Judgments.......................................................................................29
         8.7      Bankruptcy or Insolvency of the Borrower or Other Loan Parties..................................30

ARTICLE IX        REMEDIES........................................................................................30
</TABLE>

                                       49
<PAGE>

<TABLE>
<S>                                                                                                               <C>
         9.1      Further Advances; Acceleration; Setoff..........................................................30
         9.2      Further Remedies................................................................................31

ARTICLE X         MISCELLANEOUS...................................................................................31

         10.1     Remedies Cumulative; No Waiver..................................................................31
         10.2     Notices.........................................................................................31
         10.3     Costs, Expenses and Attorneys'Fees..............................................................32
         10.4     Survival of Covenants...........................................................................32
         10.5     Counterparts; Effectiveness.....................................................................33
         10.6     Headings........................................................................................33
         10.7     Payment Due On A Day Other Than A Business Day..................................................33
         10.8     Judicial Proceedings............................................................................33
         10.9     Governing Law...................................................................................33
         10.10    Integration.....................................................................................33
         10.11    Amendment and Waiver............................................................................34
         10.12    Successors and Assigns..........................................................................34
         10.13    Severability of Provisions......................................................................34
         10.14    Consent to Jurisdiction and Service of Process..................................................34
         10.15    Indemnification.................................................................................35
         10.16    Arbitration Provisions..........................................................................35
</TABLE>




                     SECOND ALLONGE TO ACQUISITION LOAN NOTE

     This is the second allonge dated as of February 1, 1999 to the Acquisition
Loan Note dated March 25, 1998 (the "Note") from BLONDER TONGUE LABORATORIES,
INC., a Delaware corporation (the "Borrower"), payable to the order of
CORESTATES BANK, N.A. (predecessor to FIRST UNION NATIONAL BANK, hereafter the
"Bank") in the principal amount of Nineteen Million Dollars ($19,000,000.00).
The Note was issued under the Third Amended and Restated Loan Agreement dated
October 29, 1997 by and between the Borrower and the Bank, as previously amended
by the First Amendment dated March 23, 1998. The Fourth Amended and Restated
Loan Agreement dated as of February 1, 1999 and as may be further amended,
modified or restated from time to time is hereafter referred to as the "Loan
Agreement". Terms capitalized but not defined herein shall have the meanings
given to them respectively in the Loan Agreement.

     Now therefore, in consideration of the agreement of the parties contained
herein, and intending to be legally bound, the parties hereto agree as follows:

     1. The principal amounts due under this Note shall be repaid in fifty-nine
(59) consecutive monthly payments of $316,666.67 commencing on June 1, 1999,
with a final principal payment of $316,666.47 on May 1, 2004.

     2. All other terms of the Note and the Loan Agreement remain in full force
and effect.

     3. The construction, interpretation and enforcement of this allonge to the
Note shall be governed by the internal laws of the State of New Jersey.

     IN WITNESS WHEREOF, and intending to be legally bound hereby, the Borrower
and the Bank have caused this allonge to the Note to be executed by their duly
authorized officers as of the day and year first above written.

                                     BLONDER TONGUE LABORATORIES, INC.

                                     By: /s/ James A. Luksch
                                         ----------------------------
                                         James A. Luksch
                                         President

                                     FIRST UNION NATIONAL BANK

                                     By: /s/ Richard Banning
                                         ----------------------------
                                         Richard Banning
                                         Assistant Vice President





                 FOURTH AMENDED AND RESTATED LINE OF CREDIT NOTE

$15,000,000                                               As of February 1, 1999

     FOR VALUE RECEIVED, BLONDER TONGUE LABORATORIES, INC., a Delaware
corporation (the "Borrower"), hereby promises to pay to the order of FIRST UNION
NATIONAL BANK (the "Bank") on the Termination Date the principal amount of
FIFTEEN MILLION DOLLARS (15,000,000) or, if less, the aggregate outstanding
principal under the Line of Credit extended under the Fourth Amended and
Restated Loan Agreement dated the date hereof by and between the Borrower and
the Bank as may be amended, modified or restated from time to time (the "Loan
Agreement"). Terms capitalized but not defined herein shall have the meanings
given to them respectively in the Loan Agreement. Reference is made to the Loan
Agreement for a statement of the terms and conditions under which the loans
evidenced hereby have been made, secured, and may be prepaid or accelerated.
This Note amends and restates and replaces (but does not discharge) the
obligations of the Borrower under the Third Amended and Restated Line of Credit
Note dated October 29, 1997, as such note has been amended, modified and/or
extended.

     Until maturity (whether by acceleration or otherwise) interest shall accrue
on the outstanding principal balance hereof at the rate set forth in the Loan
Agreement. Interest shall be calculated on the basis of a 360-day year, counting
the actual number of days elapsed. Subsequent to maturity or the occurrence of
any Event of Default, and continuing after entry of any judgment against the
Borrower with respect to the obligations evidenced by this Note, interest shall
accrue at an annual rate which shall be two percent (2%) above the rate of
interest otherwise payable hereunder. Accrued interest shall be payable monthly
on the first day of each month commencing with the month immediately following
date hereof and if not paid when due, shall be added to the principal.

     All amounts payable by the Borrower to the Bank hereunder shall be paid
directly to the Bank at 370 Scotch Road, West Trenton, New Jersey 08628 (or at
such other address of which the Bank shall give notice to the Borrower in
accordance with the Loan Agreement) in immediately available funds.

     The Borrower hereby waives the requirements of demand, presentment,
protest, notice of protest and dishonor and all other demands or notices of any
kind in connection with the delivery, acceptance, performance, default, dishonor
or enforcement of this Note.

     The construction, interpretation and enforcement of this Note shall be
governed by the internal law of the State of New Jersey.

     IN WITNESS WHEREOF, and intending to be legally bound hereby, the Borrower
has caused this Note to be executed by its duly authorized officer as of the day
and year first above written.

                                       BLONDER TONGUE LABORATORIES, INC.

                                       By: /s/ James A. Luksch
                                           ----------------------------
                                           James A. Luksch
                                           President





                       SECOND ALLONGE TO REAL ESTATE NOTE

     This is the second allonge dated as of February 1, 1999 to the Real Estate
Loan Note dated May 23, 1996 (the "Note") from BLONDER TONGUE LABORATORIES,
INC., a Delaware corporation (the "Borrower"), payable to the order of MERIDIAN
BANK (predecessor to FIRST UNION NATIONAL BANK, hereafter the "Bank") in the
original principal amount of Two Million Eight Hundred Thousand Dollars
($2,800,000.00). The Note was issued under the Amended and Restated Loan
Agreement dated October 2, 1995, as amended by a First Amendment and a certain
Second Amendment dated May 23, 1996 to the Amended and Restated Loan Agreement
and is the subject of an Allonge dated September 26, 1996. This Allonge is being
entered into in connection with the Fourth Amended and Restated Loan Agreement
dated as of February 1, 1999 by and between the Borrower and the Bank. The
Fourth Amended and Restated Loan Agreement dated February 1, 1999 as may be
further amended, modified or restated from time to time is hereafter referred to
as the "Loan Agreement". Terms capitalized but not defined herein shall have the
meanings given to them respectively in the Loan Agreement.

     Following the application of the June 1, 1999 payment of principal and
interest, the outstanding principal balance under the Note is $2,224,444,28.

     The Borrower has requested that the Bank agree to amend the terms upon
which interest is calculated under the Real Estate Loan. The Bank is willing to
make such amendments on the terms and conditions set forth herein.

     Now therefore, in consideration of the agreement of the parties contained
herein, and intending to be legally bound, the parties hereto agree as follows:

     1. Principal payments under the Note shall be as follows (i) eighty two
(82) consecutive, monthly installments in the amount of $15,555.56 on the first
Business Day of each month, which payments will commence on July 1, 1999 and end
on April 1, 2006, and (ii) a final installment, consisting of the entire
remaining principal balance of the Existing Real Estate Loan, together with all
accrued interest thereon, which shall be due and payable May 1, 2006.

     2. The term "Loan Agreement" as used in the Note shall have the meaning
assigned in the introductory paragraph to this Second Allonge.

     3. All other terms of the Note and the Loan Agreement remain in full force
and effect.


<PAGE>



     4. The construction, interpretation and enforcement of this allonge to the
Note shall be governed by the internal laws of the State of New Jersey.

     IN WITNESS WHEREOF, and intending to be legally bound hereby, the Borrower
and the Bank have caused this allonge to the Note to be executed by their duly
authorized officers as of the day and year first above written.

                                     BLONDER TONGUE LABORATORIES, INC.

                                     By: /s/ James A. Luksch
                                         ----------------------------
                                         James A. Luksch
                                         President

                                     FIRST UNION NATIONAL BANK

                                     By: /s/ Richard Banning
                                         ----------------------------
                                         Richard Banning
                                         Assistant Vice President





                 SECOND AMENDED AND RESTATED SECURITY AGREEMENT

     This SECOND AMENDED AND RESTATED SECURITY AGREEMENT is made and entered
into as of February 1, 1999, by and among BLONDER TONGUE LABORATORIES, INC., a
Delaware corporation (the "Borrower"), and FIRST UNION NATIONAL BANK, a national
banking association (the "Secured Party").

                                   BACKGROUND

     A. The Borrower and Meridian Bank entered into an Amended and Restated
Security Agreement dated as of October 2, 1995 (the "1995 Security Agreement")
to secure an Amended and Restated Loan Agreement of even date.

     B. Meridian Bank merged with CoreStates Bank, N.A. which merged with First
Union National Bank during which time the parties have amended and amended and
restated their rights and obligations under the Amended and Restated Loan
Agreement dated October 2, 1995.

     C. The Borrower and the Secured Party have executed a Fourth Amended and
Restated Loan Agreement of even date herewith (the "Loan Agreement").

     D. The obligations of the Secured Party under the Loan Agreement are
subject to the condition that the Borrower further amends and restates in its
entirety the 1995 Security Agreement.

     E. In connection with the execution and delivery of the Loan Agreement, the
Borrower and the Secured Party desire to amend and restate in its entirety the
1995 Security Agreement.

     F. Capitalized terms which are used herein without definition shall have
the meanings ascribed to them in the Loan Agreement. Other terms used herein
without definition that are defined in the Uniform Commercial Code, as enacted
in Pennsylvania and in effect on the date hereof (the "Uniform Commercial Code")
shall have the meanings ascribed to them therein, unless the context requires
otherwise.

     NOW, THEREFORE, intending to be legally bound, the Borrower and the Secured
Party hereby agree as follows:

     Section 1. Creation of Security Interest. The Borrower hereby grants to the
Secured Party a lien and security interest in and to the property hereinafter
described, whether now owned or hereafter acquired or arising and wherever
located ("Collateral");

          All tangible and intangible personal property of the Borrower,
     including but not limited to:

          (a) all accounts, accounts receivable, rights under contracts, chattel
     paper, instruments, and all obligations due the Borrower for goods sold or
     to be sold, consigned or leased or to be leased, or services rendered or to
     be rendered ("Accounts");

<PAGE>

          (b) all inventory, whether raw materials, work-in-process, finished
     goods, parts or supplies or otherwise; all goods, merchandise and other
     property held for sale or lease or to be furnished under any contract of
     service; all documents of title covering any goods which are or are to
     become inventory and any such goods which are leased or consigned to others
     and all returned, reclaimed or repossessed goods sold, consigned, leased or
     otherwise furnished by the Borrower to others ("Inventory");

          (c) all leases and rental agreements for personal property between the
     Borrower as lessor (whether by origination or derivation) and any and all
     persons or parties as lessee(s), and all rentals, purchase option amounts,
     and other sums due thereunder; and all inventory, equipment, goods and
     property subject to such leases and rental agreements and all accessions,
     parts and tools attached there to or used therewith and all of the
     Borrower's residual or reversionary rights therein;

          (d) all machinery, equipment, furniture, fixtures, tools, motor
     vehicles, and all accessories, parts and equipment now or hereafter
     attached thereto or used in connection therewith, whether or not the same
     shall be deemed affixed to real property, and all other tangible personal
     property ("Equipment");

          (e) all general intangibles, which term shall have the meaning given
     to it in the Uniform Commercial Code and shall additionally include but not
     be limited to all tax refunds, Patents (as hereafter defined), Trademarks
     (as hereafter defined), Copyrights (as hereafter defined) and other
     intellectual property and proprietary rights;

          (f) all investment property, which term shall have the meaning given
     to it in the Uniform Commercial Code;

          (g) all the property listed on any Schedule of Collateral attached to
     this Security Agreement and any other such schedule hereafter made a
     schedule to this Agreement;

          (h) all additions, replacements, attachments, accretions, accessions,
     components and substitutions to or for any Inventory or Equipment;

          (i) all property of the Borrower, including without limitation,
     monies, securities, instruments, chattel paper and documents, which at any
     time the Secured Party shall have or have the right to have in its
     possession, or which is in transit to it (pursuant to the terms of a letter
     of credit or otherwise) and, independent of and in addition to the Secured
     Party's rights of setoff (which the Borrower acknowledges), the balance of
     any account or any amount which may be owing from time to time by the
     Secured Party to the Borrower;

          (j) all books and records evidencing or relating to the foregoing,
     including, without limitation, billing records of every kind and
     description, customer lists, data storage and processing media, software
     and related material, including computer programs, computer tapes, cards,
     disks and printouts, and including any of the foregoing which are in the
     possession of any affiliate or any computer service bureau;

                                       2
<PAGE>

          (k) all proceeds, which term shall have the meaning given to it in the
     Uniform Commercial Code and shall additionally include but not be limited
     to, whatever is received upon the use, lease, sale, exchange, collection or
     other utilization or any disposition of any of the collateral described in
     subparagraphs (a) through (i) above, whether cash or non cash, and
     including without limitation, rental or lease payments, accounts, chattel
     paper, instruments, documents, contract rights, general intangibles,
     equipment, inventory and insurance proceeds; and all such proceeds of the
     foregoing ("Proceeds").

     Section 2. Secured Obligations. The security interest created herein is
given as security for the prompt payment, performance, satisfaction and
discharge of the following obligations ("Obligations") of the Borrower:

          (a) To pay the principal, interest, commitment fees and any other
     liabilities of the Borrower to the Secured Party under the Loan Agreement
     and the other Loan Documents in accordance with the terms thereof;

          (b) To pay any amounts due and to satisfy any liabilities of the
     Borrower to the Secured Party under any Swap Agreement;

          (c) To satisfy all of the other liabilities of the Borrower to the
     Secured Party including any liabilities whether hereunder or otherwise,
     whether now existing or hereafter incurred, whether or not evidenced by any
     Note or other instrument, matured or unmatured, direct, absolute or
     contingent, joint or several, including any extensions, modifications,
     renewals thereof and substitutions therefor;

          (d) To repay the Secured Party all amounts advanced by the Secured
     Party hereunder or otherwise on behalf of the Borrower, including, but
     without limitation, advances for principal or interest payments to prior
     secured parties, mortgagors or lienors, or for taxes, levies, insurance,
     rent, wages, repairs to or maintenance or storage of any Collateral; and

          (e) To reimburse the Secured Party, on demand, for all of the Secured
     Party's expenses and costs, including the reasonable fees and expenses of
     its counsel, in connection with the negotiation, preparation,
     administration, amendment, modification, or enforcement of the Loan
     Agreement and the other Loan Documents.

     Section 3. Representations and Warranties. The Borrower, as of the date
hereof and at the time of each advance or extension of credit under the Loan
Agreement, represents and warrants as follows:

          3.01 Good Title to Collateral. The Borrower has good and marketable
     title to the Collateral free and clear of all liens and encumbrances other
     than (i) the security interests granted to the Secured Party hereunder;
     (ii) liens incidental to the ordinary conduct of Borrower's business or
     ownership of its property which were not incurred in connection with the
     borrowing of money or other obtaining of advances or credit and which do
     not have a material adverse effect on its business or properties; and (iii)
     those liens and encumbrances set forth in Schedule 3.01 to this Security
     Agreement.

                                       3
<PAGE>

          3.02 Location of Books and Records. The locations of the offices where
     the Borrower maintains its books and records concerning the Collateral are
     as set forth in Schedule 3.02 or at the location(s) hereafter disclosed to
     the Secured Party pursuant to Section 5.10 hereof.

          3.03 Chief Executive Office. The chief executive offices of the
     Borrower are at the address set forth in Schedule 3.03 or at the
     location(s) hereafter disclosed to the Secured Party pursuant to Section
     5.10 hereof.

          3.04 Location of Inventory and Equipment. All Inventory and Equipment
     of the Borrower is located at one or more of the addresses set forth in
     Schedule 3.04 or at the location(s) hereafter disclosed to the Secured
     Party pursuant to Section 5.10 hereof.

          3.05 Intellectual Property.

          (a) All the Patents owned or licensed by the Borrower are listed on
     Schedule 3.05(a) or have been the subject of a notice to the Secured Party
     made pursuant to Section 5.13(a) made after the date of this Security
     Agreement. "Patents" means all letters patent, reissues and extensions
     thereof, applications for letters patent and all divisions, continuations
     and continuations-in-part thereof of the United States or any other
     country.

          (b) All Trademarks owned or licensed by the Borrower are listed on
     Schedule 3.05(b) or have been the subject of a notice to the Secured Party
     made pursuant to Section 5.13(a) made after the date of this Security
     Agreement. "Trademarks" means all trademarks, trade names, corporate names,
     company names, business names, fictitious business names, trade styles,
     service marks, logos and other source or business identifiers, and the
     goodwill associated therewith, now existing or hereafter adopted or
     acquired, and all registrations and recordings thereof, and all
     applications in connection therewith, whether in the United States Patent
     and Trademark Office or in any similar office or agency of the United
     States, any state thereof or any other country or any political subdivision
     thereof.

          (c) The Borrower does not own or license any Copyrights except
     Copyrights which are the or have been the subject of a notice to the
     Secured Party made pursuant to Section 5.13(a) made after the date of this
     Security Agreement. "Copyrights" means all copyrights, all registrations
     thereof, and applications in connection therewith pending with the United
     States Copyright Office or similar office in any other country.

          (d) Each Patent, Trademark and Copyright listed in the Schedules as
     being owned or licensed by the Borrower is (i) to the best of Borrower's
     knowledge, valid, subsisting, existing, unexpired, enforceable and has not
     been abandoned, (ii) not the subject of any licensing or franchise
     agreement in which the Borrower grants rights to others, other than the
     rights granted to Scientific Atlanta under certain patents acquired
     therefrom, (iii) not the subject of any holding, decision or judgment by
     any Governmental Authority which would limit, cancel or question its
     validity, (iv) not the subject of any action or proceeding (A) seeking to
     limit, cancel or question its validity, or (B) which, if adversely
     determined, would have a material adverse effect on its value, (v) to the
     best of Borrower's knowledge, not subject to any existing infringing uses,
     and (vi) to the best of Borrower's knowledge does not infringe upon the
     rights of any Person.

                                       4
<PAGE>

          3.06 Other Representations. Each representation, warranty or other
     statement by the Borrower in, or in connection with, any of the Loan
     Documents is true and correct and states all material facts necessary to
     make it not misleading.

     Section 4. Collection, Disposition and Use of Collateral.

          4.01 Accounts. The Secured Party hereby authorizes the Borrower to
     collect all Accounts from the account debtors. The Proceeds of Accounts so
     collected by the Borrower shall be received and held by the Borrower in
     trust for the Secured Party but may be applied by the Borrower in its
     discretion towards payment of the Obligations or other corporate purposes.
     Upon the occurrence of a default as set forth in Section 7 hereof, the
     authority hereby given to the Borrower to collect the Proceeds of Accounts
     in trust for the Secured Party may be terminated by the Secured Party at
     any time and Secured Party shall have the right at any time thereafter,
     acting if it so chooses in the Borrower's name, to collect Accounts itself,
     to sell, assign, compromise, discharge or extend the time for payment of
     any Account, and to do all acts and things necessary or incidental thereto
     and the Borrower hereby ratifies all such acts. Upon the occurrence of a
     default as set forth in Section 7 hereof, at the Secured Party's request,
     the Borrower will notify account debtors and any guarantor thereof that the
     Accounts payable by such account debtors have been assigned to the Secured
     Party and shall indicate on all billings to account debtors that payments
     thereon are to be made to the Secured Party.

          4.02 Inventory. So long as there has been no default hereunder, the
     Borrower shall be permitted to process and sell its Inventory, but only to
     the extent that such processing and sale are conducted in the ordinary
     course of the Borrower's business.

          4.03 Equipment. So long as there has been no default hereunder, the
     Borrower shall be permitted to use its Equipment in the ordinary course of
     its business. No sale, lease or other disposition of any item of equipment
     valued at more than $10,000 shall be permitted, except in accordance with
     such terms and conditions as the Secured Party shall have expressly
     approved in writing and except for the sale or other disposition of
     obsolete Equipment which is not longer used or useful in the Borrower's
     business.

     Section 5. Covenants and Agreements of the Borrower.

          5.01 Maintenance and Inspection of Books and Records. The Borrower
     shall maintain complete and accurate books and records and shall make all
     necessary entries therein to reflect the costs, values and locations of its
     Inventory and Equipment and the transactions and documents giving rise to
     its Accounts and all payments, credits and adjustments thereto. The
     Borrower shall keep the Secured Party fully informed as to the location of
     all such books and records and shall permit the Secured Party and its
     authorized agents to have full, complete and unrestricted access thereto at
     any reasonable time and upon reasonable prior notice to inspect, audit and
     make copies of all books and records, data storage and processing media,
     software, printouts, journals, orders, receipts, invoices, correspondence
     and other documents and written or printed matter related to any of the
     Collateral. The Secured Party's rights hereunder shall be enforceable at
     law or in equity, and the Borrower consents to the entry of judicial orders
     or injunctions enforcing specific performance of such obligations
     hereunder.

                                       5
<PAGE>

          5.02 Confirmation of Accounts. The Borrower agrees that the Secured
     Party shall at all times have the right to confirm orders and to verify any
     or all of the Borrower's Accounts in the Secured Party's name, or in any
     fictitious name used by the Secured Party for verifications, or through any
     public accountants.

          5.03 Delivery of Accounts Documentation. At such intervals as the
     Secured Party shall require, the Borrower shall deliver to the Secured
     Party copies of purchase orders, invoices, contracts, shipping and delivery
     receipts and any other document or instrument which evidences or gives rise
     to an Account.

          5.04 Physical Inspection of Inventory and Equipment. The Borrower
     shall permit the Secured Party and its authorized agents to inspect any or
     all of the Borrower's Inventory and Equipment at all reasonable times upon
     reasonable prior notice.

          5.05 Notice and the Secured Party's Interests. If requested by the
     Secured Party, the Borrower shall give notice of the Secured Party's
     security interest in the Collateral to any third person with whom the
     Borrower has any actual or prospective contractual relationship or other
     business dealings.

          5.06 Delivery of Certain Accounts and Documents to the Secured Party.
     Immediately upon receipt of any instrument, chattel paper, document of
     title (including bills of lading and warehouse receipts), the Borrower
     shall deliver such Collateral to the Secured Party and shall execute any
     form of assignment requested by the Secured Party with respect thereto.

          5.07 Accounts Agings. The Borrower shall furnish the Secured Party
     with agings of its Accounts in such form and detail and at such intervals
     as the Secured Party may from time to time require.

          5.08 Government Accounts. The Borrower shall immediately provide
     written notice to the Secured Party of any and all Accounts which arise out
     of contracts with the United States or any department, agency or
     instrumentality thereof, and shall execute and deliver to the Secured Party
     an assignment of claims for such Accounts and cooperate with the Secured
     Party in taking any other steps required, in the Secured Party's judgment,
     to perfect or continue the perfected status of the Secured Party's security
     interest in such Accounts and proceeds thereof under the Federal Assignment
     of Claims Act.

          5.09 Insurance of Collateral. The Borrower shall keep its Inventory
     and Equipment insured against such perils, in such amounts and with such
     insurance companies as the Secured Party may require. All insurance
     policies shall name the Secured Party as lender loss payee and shall
     provide for not less than thirty (30) days' advance notice in writing to
     the Secured Party of any cancellation thereof. The Secured Party shall have
     the right (but shall be under no obligation) to pay any of the premiums on
     such insurance. Any premiums paid by the Secured Party shall, if the
     Secured Party so elects, be considered an advance at the highest rate of
     interest provided in the Loan Agreement, and all such accrued interest
     shall be payable on demand. Any credit insurance covering Accounts shall
     name the Secured Party as loss payee. The Borrower expressly authorizes its
     insurance carriers to pay proceeds of all insurance policies covering any
     or all of the Collateral directly to the Secured Party.

                                       6
<PAGE>

          5.10 New Locations of Collateral and Books and Records. The Borrower
     shall immediately notify the Secured Party of any change in the location of
     its chief executive office, of any new or additional address where its
     books and records concerning the Collateral are located and of any new
     locations of Inventory or Equipment no specified in Sections 3.02, 3.03 or
     3.04 of this Security Agreement, and if any such location is on leased or
     mortgaged premises, promptly furnish the Secured Party with landlord's or
     mortgagee's waivers in form and substance satisfactory to the Secured
     Party.

          5.11 Perfection of the Secured Party's Interests. The Borrower agrees
     to cooperate and join, at its expense, with the Secured Party in taking
     such steps as necessary, in the Secured Party's judgment, to perfect or
     continue the perfected status of the security interests granted hereunder,
     including without limitation, the execution and delivery of any financing
     statements, amendments thereto and continuation statements, the delivery of
     chattel paper, documents or instruments to the Secured Party, the obtaining
     of landlords' and mortgagees' waivers required by the Secured Party, the
     notation of encumbrances in favor of the Secured Party on certificates of
     title, and the execution and filing of any collateral assignments and any
     other instruments requested by the Secured Party to perfect its security
     interest in any and all of the Borrower's patents, trademarks, service
     marks, tradenames, copyrights and other general intangibles. The Secured
     Party is expressly authorized to file financing statements without the
     Borrower's signature.

          5.12 Maintenance of Inventory and Equipment. The Borrower shall care
     for and preserve the Inventory and Equipment in good condition and repair,
     and will pay the cost of all replacement parts, repairs to and maintenance
     of the Equipment. The Borrower will keep complete and accurate maintenance
     records with respect to its Equipment.

          5.13 Intellectual Property.

          (a) Whenever the Borrower or any agent shall file an application for
     the registration of any Patent, Trademark or Copyright with any office or
     agency in any country or any political subdivision thereof, the Borrower
     shall report such filing to the Secured Party within fifteen Business Days
     after such filing occurs. Upon request of the Secured Party, the Borrower
     shall execute and deliver any and all agreements, instruments, documents,
     and papers as the Secured Party may request to evidence the Secured Party's
     security interests in any Patent, Trademark or Copyright and any goodwill
     and general intangibles of the Borrower relating thereto or represented
     thereby. The agreements evidencing the Secured Party's security interest in
     such Patents, Trademark or Copyrights will contain terms satisfactory to
     the Secured Party.

          (b) The Borrower shall, consistent with its past practices, take
     whatever action is necessary to protect its rights in any Patents,
     Trademarks or Copyrights. The Borrower (either itself or through licensees)
     will not allow any third party to infringe on any of its material Patents,
     Trademarks or Copyrights. In the event that any material Patent, Trademark
     or Copyright is infringed by a third party, the Borrower shall promptly
     notify the Secured Party after it learns thereof and shall, unless the
     Borrower shall reasonably determine that such Patent, Trademark or
     Copyright is of negligible economic value to the Borrower which
     determination the Borrower shall promptly report to the Secured Party,
     promptly sue for infringement to seek injunctive relief where appropriate
     and to recover any and all damages for such infringement or take such other
     actions as the Borrower shall reasonably deem appropriate under the
     circumstances.

                                       7
<PAGE>

          5.14 Notification of Adverse Change in Collateral. The Borrower agrees
     immediately to notify the Secured Party if (a) any account debtor refuses
     to retain or returns any goods, the sale or delivery of which gave rise to
     an Account; (b) any Account has arisen pursuant to a sale under term which
     differ materially from those customarily offered by the Borrower; or (c)
     any event occurs or is discovered which would cause a Qualified Account or
     any Qualified Inventory to lose its qualified status or which would cause
     any material diminution in the value of any significant item or type of
     Collateral.

          5.15 Reimbursement and Indemnification. The Borrower agrees to
     reimburse the Secured Party on demand for out-of-pocket expenses incurred
     in connection with the Secured Party's exercise of its rights under this
     Security Agreement. The Borrower agrees to indemnify the Secured Party and
     hold it harmless against any costs, expenses, losses, damages and
     liabilities (including reasonable attorney's fees) incurred in connection
     with this Security Agreement, other than as a direct result of the Secured
     Party's gross negligence or willful misconduct.

          Section 6. Power of Attorney. The Borrower hereby appoints the Secured
     Party as its lawful attorney-in-fact to do, at the Secured Party's option,
     and at the Borrower's expense and liability, all acts and things which the
     Secured Party may deem necessary or desirable to effectuate its rights
     under this Security Agreement, including without limitation, (a) file
     financing statements and otherwise perfect any security interest granted
     hereby, (b) correspond and negotiate directly with insurance carriers, (c)
     upon the occurrence of a default hereunder, receive, open and dispose of in
     any reasonable manner all mail addressed to the Borrower and notify Postal
     Service authorities to change the address for mail addressed to the
     Borrower to an address designated by the Secured Party, (d) upon the
     occurrence of a default hereunder, communicate with account debtors and
     other third parties for the purpose of protecting or preserving the
     Collateral, and (e) upon the occurrence of a default hereunder, in the
     Borrower's or the Secured Party's name, to demand, collect, receive, and
     receipt for, compound, compromise, settle and give acquittance for, and
     prosecute and discontinue or dismiss, with or without prejudice, any suit
     or proceeding respecting any of the Collateral.

          Section 7. Default. The occurrence of any one or more of the following
     shall be a default hereunder:

          7.01 Default Under Loan Agreement. The occurrence of an Event of
     Default under the Loan Documents or any Swap Agreement.

          7.02 Failure to Observe Covenants. The failure of the Borrower to
     keep, observe or perform any provisions of this Security Agreement, which
     failure is not cured and remedied within thirty (30) days after notice
     thereof is given to the Borrower.

          7.03 Representations, Warranties. If any representation, warranty or
     certificate furnished by the Borrower under or in connection with this
     Security Agreement shall, at any time, be materially false or incorrect.

                                       8
<PAGE>

          Section 8. Secured Party's Rights Upon Default. Upon the occurrence of
     a default hereunder, or at any time thereafter, the Secured Party may
     immediately and without notice do any or all of the following, which rights
     and remedies are cumulative, may be exercised from time to time, and are in
     addition to any rights and remedies available to the Secured Party under
     the Loan Agreement or any other Loan Document:

          8.01 Uniform Commercial Code Rights. Exercise any and all of the
     rights and remedies as of secured party under the Uniform Commercial Code,
     including the right to require the Borrower to assemble the Collateral and
     make it available to the Secured Party at a place reasonably convenient to
     the parties.

          8.02 Operating of Collateral. Operate, utilize, recondition and/or
     refurbish (at the Secured Party's sole option and discretion and in any
     manner) any of the Collateral which is Equipment, for the purpose of
     enhancing or preserving the value thereof or the value of any other
     Collateral.

          8.03 Notification of Account Debtors. Notify the account debtors for
     any of the Accounts that such Accounts have been assigned to the Secured
     Party and that payments are to be made directly to the Secured Party, or to
     such post office box as the Secured Party may direct. Other than in the
     ordinary course of its business, the Borrower shall not compromise,
     discharge, extend the time for payment or otherwise grant any indulgence or
     allowance with respect to any Account without the prior written consent of
     the Secured Party

          8.04 Sale of Collateral. Upon five (5) calendar days' prior written
     notice to the Borrower, which the Borrower hereby acknowledges to be
     sufficient, commercially reasonable and proper, sell, lease or otherwise
     dispose of any or all of the Collateral at any time and from time to time
     at public or private sale, with or without advertisement thereof and apply
     the proceeds of any such sale first to the Secured Party's expenses in
     preparing the Collateral for sale (including reasonable attorney's fees)
     and second to the complete satisfaction of the Obligations. The Borrower
     waives the benefit of any marshalling doctrine with respect to the Secured
     Party's exercise of its rights hereunder. The Borrower grants a
     royalty-free license to the Secured Party for all patents, service marks,
     trademarks, tradenames, copyrights, computer programs and other
     intellectual property and proprietary rights sufficient to permit Secured
     Part to exercise all rights granted to Secured Party under this Section.

     Section 9. Notices. Any written notices required or permitted by this
Security Agreement shall be effective if delivered in accordance with Section
10.2 of the Loan Agreement.

     Section 10. Miscellaneous.

          10.01 No Waiver. No delay or omission by the Secured Party in
     exercising any right or remedy hereunder shall operate as a waiver thereof
     or of any other right or remedy, and no single or partial exercise thereof
     shall preclude any further exercise thereof or the exercise of any other
     right or remedy.

                                       9
<PAGE>

          10.02 Preservation of Rights The Secured Party shall have no
     obligation or responsibility to take any steps to enforce or preserve
     rights against any parties to any Account and such obligation and
     responsibility shall be those of the Borrower exclusively.

          10.03 Successors. The provisions of this Security Agreement shall
     inure to the benefit of and be binding upon the Secured party and the
     Borrower and their respective successors and assigns, provided that the
     Borrower's obligations hereunder may not be assigned without the written
     consent of the Secured Party.

          10.04 Amendments. No modification, rescission, waiver, release or
     amendment of any provisions of this Security Agreement shall be effective
     unless set forth in a written agreement signed by the Borrower and an
     authorized officer of the Secured Party.

          10.05 Governing Law. This Security Agreement shall be construed under
     the internal laws of the State of New Jersey without reference to conflict
     of laws principles.

Severability. If any provision of this Security Agreement shall be held invalid
or unenforceable under applicable law in any jurisdiction, such invalidity or
unenforceability shall not affect the validity or enforceability of such
provision in any other jurisdiction or the validity or enforceability of any
other provision of this Security Agreement that can be given effect without such
invalid or unenforceable provision.

          10.06 Judicial Proceedings. Each party to this Agreement agrees that
     any suit, action or proceeding, whether claim or counterclaim, brought or
     instituted by any party hereto or any successor or assign of any party, on
     or with respect to this Agreement or the dealings of the parties with
     respect hereto, shall be tried only by a court and not by a jury. EACH
     PARTY HEREBY KNOWINGLY, VOLUNTARILY AND INTENTIALLY WAIVES ANY RIGHT TO A
     TRIAL BY JURY IN ANY SUCH SUIT, ACTION OR PROCEEDING. Further, each party
     waives any right it may have to claim or recover, in any such suit, action
     or proceeding, any special, exemplary, punitive or consequential damages or
     any damages other than, or in addition to, actual damages. THE BORROWER
     ACKNOWLEDGES AND AGREES THAT THIS PARAGRAPH IS A SPECIFIC AND MATERIAL
     ASPECT OF THIS AGREEMENT AND THAT THE SECURED PARTY WOULD NOT EXTEND CREDIT
     TO THE BORROWER IF

                                       10
<PAGE>

THE WAIVERS SET FORTH IN THIS PARAGRAPH WERE NOT A PART OF THIS AGREEMENT.

     IN WITNESS WHEREOF, the parties hereto have caused this Security Agreement
to be executed and delivered by their authorized officers the day and year first
above written.

                                      BLONDER TONGUE LABORATORIES, INC.

                                     By: /s/ James A. Luksch
                                         ----------------------------
                                         James A. Luksch
                                         President

                                     FIRST UNION NATIONAL BANK

                                     By: /s/ Richard Banning
                                         ----------------------------
                                         Richard Banning
                                         Assistant Vice President



                                  Schedule 3.01

Other liens and encumbrances:

None

                                  Schedule 3.02

Location of books and records:

         One Jake Brown Road
         Old Bridge, NJ 08857
                                  Schedule 3.03

Location of Chief Executive Office:

         One Jake Brown Road
         Old Bridge, NJ 08857
                                  Schedule 3.04

Location of Inventory and Equipment:

         One Jake Brown Road          and       3900 West Innovation Street
         Old Bridge, NJ 08857                   Sioux Falls, South Dakota  57107

                                       11
<PAGE>

                                                      Schedule 3.05(a)
<TABLE>
<CAPTION>

- ----------------------------------------------------------------------------------------------------------------------
      PATENT NO.             ISSUE DATE                                        TITLE
- ----------------------------------------------------------------------------------------------------------------------
      <S>                     <C>             <C>
       4912760                3/27/90         Off Premises Cable Television Channel Interdiction Method and Apparatus
- ----------------------------------------------------------------------------------------------------------------------
       5014309                 5/7/91         Same as above.
- ----------------------------------------------------------------------------------------------------------------------
       5208854                 5/4/93         Picture Carrier controlled Automatic Gain Control Circuit for Cable
                                              Television Interdiction or Jamming Apparatus
- ----------------------------------------------------------------------------------------------------------------------
       4963966                10/16/90        CATV Distribution System, Especially Adapted for Off-Premises Premium
                                              Channel Y Interdiction
- ----------------------------------------------------------------------------------------------------------------------
       5303295                4/12/94         Enhanced Versatility of a Program by a  Combination of Technologies
                                              ION of Y Technologies
- ----------------------------------------------------------------------------------------------------------------------
       5287539                2/15/94         Interdiction Program Denial System for Jamming Audio and Video Signals
- ----------------------------------------------------------------------------------------------------------------------
       5467397                11/14/95        Interdiction Method and Apparatus with Variable Dwell Time
- ----------------------------------------------------------------------------------------------------------------------
       5323462                6/21/94         CATV Subscriber Disconnect Switch
- ----------------------------------------------------------------------------------------------------------------------
       5194947                3/16/93         CATV Signal Distribution Apparatus
- ----------------------------------------------------------------------------------------------------------------------
       5142574                8/25/92         Optimum Amplitude and Frequency of Jamming Carrier in Interdiction
                                              Program Denial System
- ----------------------------------------------------------------------------------------------------------------------
       5278908                1/11/94         Interdiction Method and Apparatus with Programmable Jamming
                                              Effectiveness
- ----------------------------------------------------------------------------------------------------------------------
       5245420                9/14/93         CATV Pay Per View Interdiction
- ----------------------------------------------------------------------------------------------------------------------
       5331412                7/19/94         Tamper Resistant Apparatus for a CATV System
- ----------------------------------------------------------------------------------------------------------------------
       5231660                7/27/93         Compensation Control for Off-Premises CATV System
- ----------------------------------------------------------------------------------------------------------------------
       5144267                 9/1/92         Variable Slope Network for Off-Premises CATV System
- ----------------------------------------------------------------------------------------------------------------------
       5345504                 9/6/94         Differential Compensation Control for Off-Premises CATV System
- ----------------------------------------------------------------------------------------------------------------------
       5251220                10/5/93         Method and Apparatus for Error Detection and Processing
- ----------------------------------------------------------------------------------------------------------------------
       5505901                 4/9/96         CATV Pay Per View Interdiction System Method and Apparatus
- ----------------------------------------------------------------------------------------------------------------------
       5436822                7/25/95         Polarity Reversing DC Power Supply for Remotely Located Equipment
- ----------------------------------------------------------------------------------------------------------------------
       5243647                 9/7/93         Method and Apparatus for Broadband Signal Distribution
- ----------------------------------------------------------------------------------------------------------------------
       5243651                 9/7/93         Diagnostic Method and Apparatus for a Cable Television Interdiction
                                              System
- ----------------------------------------------------------------------------------------------------------------------
       5311325                5/10/94         Method and Apparatus for Providing Periodic Subscription Television
                                              Service
- ----------------------------------------------------------------------------------------------------------------------
       5289541                2/22/94         Interdiction Method and Apparatus with Constant Blanking and Variable
                                              Dwell Times
- ----------------------------------------------------------------------------------------------------------------------
       5361301                11/1/94         Interdiction Method and Apparatus with Direct Memory Control of
                                              Variable Frequency Elements of Variable Frequency Elements
- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       12
<PAGE>


<TABLE>
<CAPTION>

- ----------------------------------------------------------------------------------------------------------------------
      PATENT NO.             ISSUE DATE                                        TITLE
- ----------------------------------------------------------------------------------------------------------------------
      <S>                     <C>             <C>
       5463689                10/31/95        Interdiction Method and Apparatus with Random Mode Jamming
- ----------------------------------------------------------------------------------------------------------------------
       5317635                5/31/94         Interdiction Method and Apparatus with Mode Control for Variable
                                              Frequency Elements
- ----------------------------------------------------------------------------------------------------------------------
       5265160                11/23/93        Interdiction Method and Apparatus with Pulsed Mode Jamming
- ----------------------------------------------------------------------------------------------------------------------
       5341424                8/23/94         Interdiction Method and Apparatus with Frequency Change Inhibit
                                              Function
- ----------------------------------------------------------------------------------------------------------------------
       5604528                2/18/97         Method and Apparatus for Providing Periodic Subscription Television
                                              Services
- ----------------------------------------------------------------------------------------------------------------------

</TABLE>

                                       13
<PAGE>

                                Schedule 3.05(b)


1. Trademark for the name "BLONDER TONGUE" (block letters). Reg. No. 819,812.

2. Trademark for the name "BT" (with design). Reg. No. 821,512.

3. Trademark for the name "AUDIO/BATON" (block letters). Reg. No. 701,268.


                                       14




                 AMENDED AND RESTATED PATENT SECURITY ASSIGNMENT

     WHEREAS, BLONDER TONGUE LABORATORIES, INC., a Delaware corporation (the
"Borrower") located at One Jake Brown Road, Old Bridge, NJ 08857, owns the
patents and patent applications shown in the attached Schedule A (the
"Patents"), for which there are recordings or applications in the United States
Patent and Trademark Office under the numbers shown in the attached Schedule A;
and

     WHEREAS, Borrower is obligated to FIRST UNION NATIONAL BANK, a national
banking association ("Lender") located at 370 Scotch Road, West Trenton, New
Jersey 08628, pursuant to (i) a certain Fourth Amended and Restated Loan
Agreement dated as of February 1, 1999 and (ii) a certain Second Amended and
Restated Security Agreement dated the date hereof made by Borrower in favor of
Lender (as each may be amended, modified, restated or supplemented from time to
time, collectively, the "Agreements"); and

     WHEREAS, pursuant to the Agreements, Borrower is granting to Lender a
security interest in the Patents, all proceeds thereof, all rights corresponding
thereto and all reissues, divisions, continuations, renewals, extensions and
continuations-in-part thereof, and the recordings and applications therefore.

     NOW, THEREFORE, for good and valuable consideration, receipt of which is
hereby acknowledged, Borrower does hereby assign unto Lender and grant to Lender
a security interest in and to the Patents, and recordings and applications
therefor, which assignment and security interest shall secure all the
Obligations as defined in the Agreements and in accordance with the terms and
provisions thereof.

     Borrower expressly acknowledges and affirms that the rights and remedies of
Lender with respect to the assignment and security interest granted hereby are
more fully set forth in the Agreements.

Dated:   as of February 1, 1999

Witness:                                  BLONDER TONGUE LABORATORIES, INC.
                                          as Borrower


/s/ Gary P. Scharmett                     By: /s/ James A. Luksch
- --------------------------                    ---------------------------------
                                              James A. Luksch:
                                              President

Witness:                                  FIRST UNION NATIONAL BANK as Lender


/s/ Elizabeth Cotrela                     By: /s/ Richard Banning
- --------------------------                    ---------------------------------
                                             Richard Banning
                                             Assistant Vice President:

<PAGE>

                     Acknowledgment of Borrower's Execution

STATE of NEW JERSEY                    )
                                       )        SS:
COUNTY of MIDDLESEX                    )


     On this June 16th, 1999, before me personally came James A. Luksch, to me
known, who, being by me duly sworn, did depose and say that he is the President
of Blonder Tongue Laboratories, Inc., the corporation described in and which
executed the foregoing instrument; and that he signed his name thereto by order
of the board of directors of said corporation.


                                  /s/ Candace R. Tice
                                  ---------------------------------------------
                                  Notary Public


                      Acknowledgment of Lender's Execution

STATE of NEW JERSEY                    )
                                       )        SS:
COUNTY of MERCER                       )


     On this 17th day of June, 1999, before me personally came Richard Banning,
to me known, who, being by me duly sworn, did depose and say that he is the
Assistant Vice President of First Union National Bank, the corporation described
in and which executed the foregoing instrument; and that he signed his name
thereto by order of the board of directors of said corporation.

                                  /s/ Donna Scanzera-Stoedtes
                                  ---------------------------------------------
                                  Donna Scanzera-Stoedtes
                                  An Attorney at Law of the State of New Jersey

                                       2
<PAGE>


                                   SCHEDULE A

Schedule A to a Patent Assignment of Security dated as of February 1, 1999 by
and between Blonder Tongue Laboratories, Inc. and First Union National Bank.

<TABLE>
<CAPTION>

- ----------------------------------------------------------------------------------------------------------------------
      PATENT NO.             ISSUE DATE                                        TITLE
- ----------------------------------------------------------------------------------------------------------------------
       <S>                    <C>             <C>
       4912760                3/27/90         Off Premises Cable Television Channel Interdiction Method and Apparatus
- ----------------------------------------------------------------------------------------------------------------------
       5014309                 5/7/91         Same as above.
- ----------------------------------------------------------------------------------------------------------------------
       5208854                 5/4/93         Picture Carrier controlled Automatic Gain Control Circuit for Cable
                                              Television Interdiction or Jamming Apparatus
- ----------------------------------------------------------------------------------------------------------------------
       4963966                10/16/90        CATV Distribution System, Especially Adapted for Off-Premises Premium
                                              Channel Y Interdiction
- ----------------------------------------------------------------------------------------------------------------------
       5303295                4/12/94         Enhanced Versatility of a Program by a  Combination of Technologies
                                              ION of Y Technologies
- ----------------------------------------------------------------------------------------------------------------------
       5287539                2/15/94         Interdiction Program Denial System for Jamming Audio and Video Signals
- ----------------------------------------------------------------------------------------------------------------------
       5467397                11/14/95        Interdiction Method and Apparatus with Variable Dwell Time
- ----------------------------------------------------------------------------------------------------------------------
       5323462                6/21/94         CATV Subscriber Disconnect Switch
- ----------------------------------------------------------------------------------------------------------------------
       5194947                3/16/93         CATV Signal Distribution Apparatus
- ----------------------------------------------------------------------------------------------------------------------
       5142574                8/25/92         Optimum Amplitude and Frequency of Jamming Carrier in Interdiction
                                              Program Denial System
- ----------------------------------------------------------------------------------------------------------------------
       5278908                1/11/94         Interdiction Method and Apparatus with Programmable Jamming
                                              Effectiveness
- ----------------------------------------------------------------------------------------------------------------------
       5245420                9/14/93         CATV Pay Per View Interdiction
- ----------------------------------------------------------------------------------------------------------------------
       5331412                7/19/94         Tamper Resistant Apparatus for a CATV System
- ----------------------------------------------------------------------------------------------------------------------
       5231660                7/27/93         Compensation Control for Off-Premises CATV System
- ----------------------------------------------------------------------------------------------------------------------
       5144267                 9/1/92         Variable Slope Network for Off-Premises CATV System
- ----------------------------------------------------------------------------------------------------------------------
       5345504                 9/6/94         Differential Compensation Control for Off-Premises CATV System
- ----------------------------------------------------------------------------------------------------------------------
       5251220                10/5/93         Method and Apparatus for Error Detection and Processing
- ----------------------------------------------------------------------------------------------------------------------
       5505901                 4/9/96         CATV Pay Per View Interdiction System Method and Apparatus
- ----------------------------------------------------------------------------------------------------------------------
       5436822                7/25/95         Polarity Reversing DC Power Supply for Remotely Located Equipment
- ----------------------------------------------------------------------------------------------------------------------
       5243647                 9/7/93         Method and Apparatus for Broadband Signal Distribution
- ----------------------------------------------------------------------------------------------------------------------
       5243651                 9/7/93         Diagnostic Method and Apparatus for a Cable Television Interdiction
                                              System
- ----------------------------------------------------------------------------------------------------------------------
       5311325                5/10/94         Method and Apparatus for Providing Periodic Subscription Television
                                              Service
- ----------------------------------------------------------------------------------------------------------------------
       5289541                2/22/94         Interdiction Method and Apparatus with Constant Blanking and Variable
                                              Dwell Times
- ----------------------------------------------------------------------------------------------------------------------
       5361301                11/1/94         Interdiction Method and Apparatus with Direct Memory Control of
                                              Variable Frequency Elements of Variable Frequency Elements
- ----------------------------------------------------------------------------------------------------------------------
       5463689                10/31/95        Interdiction Method and Apparatus with Random Mode Jamming
- ----------------------------------------------------------------------------------------------------------------------
       5317635                5/31/94         Interdiction Method and Apparatus with Mode Control for Variable
                                              Frequency Elements
- ----------------------------------------------------------------------------------------------------------------------
       5265160                11/23/93        Interdiction Method and Apparatus with Pulsed Mode Jamming
- ----------------------------------------------------------------------------------------------------------------------
       5341424                8/23/94         Interdiction Method and Apparatus with Frequency Change Inhibit
                                              Function
- ----------------------------------------------------------------------------------------------------------------------
       5604528                2/18/97         Method and Apparatus for Providing Periodic Subscription Television
                                              Services
- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

                                       3


<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BLONDER
TONGUE LABORATORIES, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENT OF EARNINGS
FOR THE SIX-MONTH PERIOD ENDED JUNE 30, 1999 AND BALANCE SHEET AS AT JUNE 30,
1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                    1,000

<S>                                                  <C>
<PERIOD-TYPE>                                         6-MOS
<FISCAL-YEAR-END>                                         DEC-31-1999
<PERIOD-END>                                              JUN-30-1999
<CASH>                                                          1,009
<SECURITIES>                                                        0
<RECEIVABLES>                                                  13,069
<ALLOWANCES>                                                  (1,319)
<INVENTORY>                                                    23,556
<CURRENT-ASSETS>                                               39,525
<PP&E>                                                         12,146
<DEPRECIATION>                                                (4,515)
<TOTAL-ASSETS>                                                 65,794
<CURRENT-LIABILITIES>                                          11,876
<BONDS>                                                             0
                                               0
                                                         0
<COMMON>                                                            8
<OTHER-SE>                                                     35,920
<TOTAL-LIABILITY-AND-EQUITY>                                   65,794
<SALES>                                                        28,412
<TOTAL-REVENUES>                                               28,412
<CGS>                                                          18,880
<TOTAL-COSTS>                                                  18,880
<OTHER-EXPENSES>                                                6,997
<LOSS-PROVISION>                                                  370
<INTEREST-EXPENSE>                                                900
<INCOME-PRETAX>                                                 1,271
<INCOME-TAX>                                                      495
<INCOME-CONTINUING>                                             2,165
<DISCONTINUED>                                                      0
<EXTRAORDINARY>                                                     0
<CHANGES>                                                           0
<NET-INCOME>                                                      776
<EPS-BASIC>                                                     .09
<EPS-DILUTED>                                                     .09



</TABLE>


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