U S VENTURE PARTNERS IV L P
SC 13G, 2000-02-14
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON D.C. 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS  FILED PURSUANT TO RULES 13d-1 (b), (c)
AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b)

                               (Amendment No. ___)*

                                Netro Corporation
                            ------------------------
                                (Name of Issuer)

                                  Common Stock
                         ------------------------------
                         (Title of Class of Securities)

                                    64114R109
                                 --------------
                                 (CUSIP Number)

                               December 31, 1999
             -------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

         [ ] Rule 13d-1(b)

         [ ] Rule 13d-1(c)

         [X] Rule 13d-1(d)

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).

                               Page 1 of 18 Pages
<PAGE>
CUSIP NO. 64114R109                                           PAGE 2 OF 18 PAGES
- -------------------                                           ------------------

1  NAMES OF REPORTING PERSONS
   S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

   U.S. Venture Partners IV, L.P. ("USVP IV")
   Tax ID Number:   94-3193188
   -----------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                  (a) [ ]
                                                                      (b) [X]
   -----------------------------------------------------------------------------
3  SEC USE ONLY

   -----------------------------------------------------------------------------
4  CITIZENSHIP OR PLACE OF ORGANIZATION

   Delaware
   -----------------------------------------------------------------------------
                 5  SOLE VOTING POWER

                    3,582,540 shares, except that Presidio Managemwnt  Group IV,
                    L.P.  ("PMG  IV"),  the  general  partner of USVP IV, may be
                    deemed  to have  sole  voting  power  with  respect  to such
                    shares, and Bowes,  Federman,  Krausz and Young, the general
                    partners of PMG IV may be deemed to have shared voting power
                    with respect to such shares.
    NUMBER OF       ------------------------------------------------------------
     SHARES      6  SHARED VOTING POWER
   BENEFICIALLY
    OWNED BY        See Response to row 5.
      EACH          ------------------------------------------------------------
    REPORTING    7  SOLE DISPOSITIVE POWER
     PERSON
      WITH          3,582,540 shares, except that Presidio Management  Group IV,
                    L.P.  ("PMG  IV"),  the  general  partner of USVP IV, may be
                    deemed to have sole  dipositive  power with  respect to such
                    shares, and Bowes,  Federman,  Krausz and Young, the general
                    partners of PMG IV may be deemed to have shared  dispositive
                    power with respect to such shares.
                    ------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER

                    See Response to row 7.
                    ------------------------------------------------------------

9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   3,582,540
   ----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]


   -----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

   8.0%
   -----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

   PN
   -----------------------------------------------------------------------------
                     *See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 64114R109                                           PAGE 3 OF 18 PAGES
- -------------------                                           ------------------

1  NAMES OF REPORTING PERSONS
   S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

   Second Ventures II, L.P. ("SV II")
   Tax ID Number:   94-3200353
   -----------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                  (a) [ ]
                                                                      (b) [X]
   -----------------------------------------------------------------------------
3  SEC USE ONLY

   -----------------------------------------------------------------------------
4  CITIZENSHIP OR PLACE OF ORGANIZATION

   Cayman Islands
   -----------------------------------------------------------------------------
                 5  SOLE VOTING POWER

                    434,878 shares,  except that Presidio  Management  Group IV,
                    L.P.  ("PMG  IV"),  the  general  partner of USVP IV, may be
                    deemed  to have  sole  voting  power  with  respect  to such
                    shares, and Bowes,  Federman,  Krausz and Young, the general
                    partners of PMG IV may be deemed to have shared voting power
                    with respect to such shares.
    NUMBER OF       ------------------------------------------------------------
     SHARES      6  SHARED VOTING POWER
   BENEFICIALLY
    OWNED BY        See Response to row 5.
      EACH          ------------------------------------------------------------
    REPORTING    7  SOLE DISPOSITIVE POWER
     PERSON
      WITH          434,878 shares,  except that Presidio  Managemwnt  Group IV,
                    L.P.  ("PMG  IV"),  the  general  partner of USVP IV, may be
                    deemed to have sole  dipositive  power with  respect to such
                    shares, and Bowes,  Federman,  Krausz and Young, the general
                    partners of PMG IV may be deemed to have shared  dispositive
                    power with respect to such shares.
                    ------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER

                    See Response to row 7.
                    ------------------------------------------------------------

9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   434,878
   ----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]


   -----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

   1.0%
   -----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

   PN
   -----------------------------------------------------------------------------
                     *See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 64114R109                                           PAGE 4 OF 18 PAGES
- -------------------                                           ------------------

1  NAMES OF REPORTING PERSONS
   S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

   USVP Entrepreneur Partners II, L.P. ("UEP IV")
   Tax ID Number:   94-3203198
   -----------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                  (a) [ ]
                                                                      (b) [X]
   -----------------------------------------------------------------------------
3  SEC USE ONLY

   -----------------------------------------------------------------------------
4  CITIZENSHIP OR PLACE OF ORGANIZATION

   Delaware
   -----------------------------------------------------------------------------
                 5  SOLE VOTING POWER

                    124,249 shares,  except that Presidio  Managemwnt  Group IV,
                    L.P.  ("PMG  IV"),  the  general  partner of USVP IV, may be
                    deemed  to have  sole  voting  power  with  respect  to such
                    shares, and Bowes,  Federman,  Krausz and Young, the general
                    partners of PMG IV may be deemed to have shared voting power
                    with respect to such shares.

    NUMBER OF       ------------------------------------------------------------
     SHARES      6  SHARED VOTING POWER
   BENEFICIALLY
    OWNED BY        See Response to row 5.
      EACH          ------------------------------------------------------------
    REPORTING    7  SOLE DISPOSITIVE POWER
     PERSON
      WITH          124,249 shares,  except that Presidio  Managemwnt  Group IV,
                    L.P.  ("PMG  IV"),  the  general  partner of USVP IV, may be
                    deemed to have sole  dipositive  power with  respect to such
                    shares, and Bowes,  Federman,  Krausz and Young, the general
                    partners of PMG IV may be deemed to have shared  dispositive
                    power with respect to such shares.
                    ------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER

                    See Response to row 7.
                    ------------------------------------------------------------

9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   124,249
   ----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]


   -----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

   0.3%
   -----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

   PN
   -----------------------------------------------------------------------------
                     *See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 64114R109                                           PAGE 5 OF 18 PAGES
- -------------------                                           ------------------

1  NAMES OF REPORTING PERSONS
   S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

   Presidio Management Group IV, L.P. ("PMG IV")
   Tax ID Number:   94-3193187
   -----------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                  (a) [ ]
                                                                      (b) [X]
   -----------------------------------------------------------------------------
3  SEC USE ONLY

   -----------------------------------------------------------------------------
4  CITIZENSHIP OR PLACE OF ORGANIZATION

   Delaware
   -----------------------------------------------------------------------------
                 5  SOLE VOTING POWER

                    4,141,667  shares,  of which  3,582,540 are shares  directly
                    owned by USVP IV, 434,878 are shares directly owned by SV II
                    and 124,429 are shares  directly  owned by UEP II. PMG IV is
                    the general partner of USVP IV, SV II and UEP II, and may be
                    deemed  to have  sole  voting  power  with  respect  to such
                    shares, and Bowes,  Federman,  Krausz and Young, the general
                    partners of PMG IV may be deemed to have shared voting power
                    with respect to such shares.

    NUMBER OF       ------------------------------------------------------------
     SHARES      6  SHARED VOTING POWER
   BENEFICIALLY
    OWNED BY        See Response to row 5.
      EACH          ------------------------------------------------------------
    REPORTING    7  SOLE DISPOSITIVE POWER
     PERSON
      WITH          4,141,667  shares,  of which  3,582,540 are shares  directly
                    owned by USVP IV, 434,878 are shares directly owned by SV II
                    and 124,249 are  shares directly  owned by UEP II. PMG IV is
                    the general partner of USVP IV, SV II and UEP II, and may be
                    deemed to have sole  dispositive  power with respect to such
                    shares, and Bowes,  Federman,  Krausz and Young, the general
                    partners of PMG IV may be deemed to have shared  dispositive
                    power with respect to such shares.
                    ------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER

                    See Response to row 7.
                    ------------------------------------------------------------

9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   4,141,667
   ----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]


   -----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

   9.2%
   -----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

   PN
   -----------------------------------------------------------------------------
                     *See Instructions Before Filling Out!

<PAGE>
CUSIP NO. 64114R109                                           PAGE 6 OF 18 PAGES
- -------------------                                           ------------------

1  NAMES OF REPORTING PERSONS
   S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

   William K. Bowes, Jr. ("Bowes")
   Tax ID Number:
   -----------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                  (a) [ ]
                                                                      (b) [X]
   -----------------------------------------------------------------------------
3  SEC USE ONLY

   -----------------------------------------------------------------------------
4  CITIZENSHIP OR PLACE OF ORGANIZATION

   U.S. Citizen
   -----------------------------------------------------------------------------
                 5  SOLE VOTING POWER

                    0 shares.
    NUMBER OF       ------------------------------------------------------------
     SHARES      6  SHARED VOTING POWER
   BENEFICIALLY
    OWNED BY        4,141,667  shares, of  which 3,582,540  are shares  directly
      EACH          owned by USVP IV, 434,878 are shares directly owned by SV II
    REPORTING       and 124,249 are shares directly owned by UEP II.  Bowes is a
     PERSON         general  partner of PMG IV, the general  partner of USVP IV,
      WITH          SV II and UEP II,  and may be deemed to have  shared  voting
                    power with respect to such shares.
                    ------------------------------------------------------------
                 7  SOLE DISPOSITIVE POWER

                    0 shares.
                    ------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER

                    4,141,667  shares,  of  which 3,582,540 are shares  directly
                    owned by USVP IV, 434,878 are shares directly owned by SV II
                    and 124,249 are shares directly owned by UEP II.  Bowes is a
                    general  partner of PMG IV, the general  partner of USVP IV,
                    SV II  and  UEP  II,  and  may  be  deemed  to  have  shared
                    dispositive power with respect to such shares.
                    ------------------------------------------------------------

9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   4,141,667
   ----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]


   -----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

   9.2%
   -----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

   IN
   -----------------------------------------------------------------------------
                     *See Instructions Before Filling Out!

<PAGE>
CUSIP NO. 64114R109                                           PAGE 7 OF 18 PAGES
- -------------------                                           ------------------

1  NAMES OF REPORTING PERSONS
   S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

   Irwin Federman ("Federman")
   Tax ID Number:
   -----------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                  (a) [ ]
                                                                      (b) [X]
   -----------------------------------------------------------------------------
3  SEC USE ONLY

   -----------------------------------------------------------------------------
4  CITIZENSHIP OR PLACE OF ORGANIZATION

   U.S. Citizen
   -----------------------------------------------------------------------------
                 5  SOLE VOTING POWER

                    15,000 shares.
    NUMBER OF       ------------------------------------------------------------
     SHARES      6  SHARED VOTING POWER
   BENEFICIALLY
    OWNED BY        4,141,667  shares, of which 3,582,540 are  shares  directly
      EACH          owned by USVP IV, 434,878 are shares directly owned by SV II
    REPORTING       and 124,249 are shares directly owned by UEP II. Federman is
     PERSON         a general partner of PMG IV, the general partner of USVP IV,
      WITH          SV II and UEP II,  and may be deemed to have  shared  voting
                    power with respect to such shares.
                    ------------------------------------------------------------
                 7  SOLE DISPOSITIVE POWER

                    15,000 shares.
                    ------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER

                    4,141,667  shares,  of which 3,582,540 are  shares directly
                    owned by USVP IV, 434,878 are shares directly owned by SV II
                    and 43,328  are shares directly owned by UEP II. Federman is
                    a general partner of PMG IV, the general partner of USVP IV,
                    SV II  and  UEP  II,  and  may  be  deemed  to  have  shared
                    dispositive power with respect to such shares.
                    ------------------------------------------------------------

9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   4,156,667
   ----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]


   -----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

   9.2%
   -----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

   IN
   -----------------------------------------------------------------------------
                     *See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 64114R109                                           PAGE 8 OF 18 PAGES
- -------------------                                           ------------------

1  NAMES OF REPORTING PERSONS
   S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

   Steven M. Krausz ("Krausz")
   Tax ID Number:
   -----------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                  (a) [ ]
                                                                      (b) [X]
   -----------------------------------------------------------------------------
3  SEC USE ONLY

   -----------------------------------------------------------------------------
4  CITIZENSHIP OR PLACE OF ORGANIZATION

   U.S. Citizen
   -----------------------------------------------------------------------------
                 5  SOLE VOTING POWER

                    2,900 shares.
    NUMBER OF       ------------------------------------------------------------
     SHARES      6  SHARED VOTING POWER
   BENEFICIALLY
    OWNED BY        4,141,667  shares, of which 3,582,540  are  shares  directly
      EACH          owned by USVP IV, 434,878 are shares directly owned by SV II
    REPORTING       and 124,249 are shares directly owned by UEP II. Krausz is a
     PERSON         general  partner of PMG IV, the general  partner of USVP IV,
      WITH          SV II and UEP II,  and may be deemed to have  shared  voting
                    power with respect to such shares.
                    ------------------------------------------------------------
                 7  SOLE DISPOSITIVE POWER

                    2,900 shares.
                    ------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER

                    4,141,667  shares,  of which 3,582,540  are  shares directly
                    owned by USVP IV, 434,878 are shares directly owned by SV II
                    and 124,249 are shares directly owned by UEP II. Krausz is a
                    general  partner of PMG IV, the general  partner of USVP IV,
                    SV II  and  UEP  II,  and  may  be  deemed  to  have  shared
                    dispositive power with respect to such shares.
                    ------------------------------------------------------------

9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   4,144,567
   ----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]


   -----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

   9.2%
   -----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

   IN
   -----------------------------------------------------------------------------
                     *See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 64114R109                                           PAGE 9 OF 18 PAGES
- -------------------                                           ------------------

1  NAMES OF REPORTING PERSONS
   S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

   Philip M. Young ("Young")
   Tax ID Number:
   -----------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                  (a) [ ]
                                                                      (b) [X]
   -----------------------------------------------------------------------------
3  SEC USE ONLY

   -----------------------------------------------------------------------------
4  CITIZENSHIP OR PLACE OF ORGANIZATION

   U.S. Citizen
   -----------------------------------------------------------------------------
                 5  SOLE VOTING POWER

                    2000 shares.
    NUMBER OF       ------------------------------------------------------------
     SHARES      6  SHARED VOTING POWER
   BENEFICIALLY
    OWNED BY        4,141,667   shares,  of which 3,582,540 are shares  directly
      EACH          owned by USVP IV, 434,878 are shares directly owned by SV II
    REPORTING       and 127,249 are shares directly owned by UEP II.  Young is a
     PERSON         general  partner of PMG IV, the general  partner of USVP IV,
      WITH          SV II and UEP II,  and may be deemed to have  shared  voting
                    power with respect to such shares.
                    ------------------------------------------------------------
                 7  SOLE DISPOSITIVE POWER

                    2000 shares.
                    ------------------------------------------------------------
                 8  SHARED DISPOSITIVE POWER

                    4,141,667  shares,  of which  3,582,540 are  shares directly
                    ownedby USVP IV, 434,878 are shares directly  owned by SV II
                    and 124,249  are shares directly owned by UEP II. Young is a
                    general  partner of PMG IV, the general  partner of USVP IV,
                    SV II  and  UEP  II,  and  may  be  deemed  to  have  shared
                    dispositive power with respect to such shares.
                    ------------------------------------------------------------

9  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   4,134,667
   ----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]


   -----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

   9.2%
   -----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*

   IN
   -----------------------------------------------------------------------------
                     *See Instructions Before Filling Out!

<PAGE>
                                                             Page 10 of 18 Pages
ITEM 1(a). NAME OF ISSUER:

           Netro Corporation

ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

           3860 North First Street
           San Jose, CA  95134

ITEM 2(a). NAME OF PERSON FILING:

           This  statement is filed by U.S.  Venture  Partners  IV, L.P.  ("USVP
           IV"), Second Ventures II, L.P. ("SV II"), USVP Entrepreneur  Partners
           II, L.P. ("UEP II"),  Presidio  Management Group IV, L.P. ("PMG IV"),
           William K. Bowes, Jr. ("Bowes"), Irwin Federman ("Federman"),  Steven
           M. Krausz  ("Krausz")  and Philip M. Young  ("Young").  The foregoing
           entities  and  individuals  are  collectively   referred  to  as  the
           "Reporting Persons".

           PMG IV is the  general  partner of USVP IV, SV II and UEP II, and may
           be deemed to have sole  power to vote and sole  power to  dispose  of
           shares  of the  issuer  directly  owned by USVP IV, SV II and UEP II.
           Bowes, Federman, Krausz and Young are the general partners of PMG IV,
           and may be deemed to have  shared  power to vote and shared  power to
           dispose of the shares of issuer  directly owned by USVP IV, SV II and
           UEP II.

ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR, IF NONE, RESIDENCE:

           The  address  of  the  principal  business  office  for  each  of the
           Reporting Persons is:

           U.S. Venture Partners
           2180 Sand Hill Road, Suite 300
           Menlo Park, CA  94025

ITEM 2(c) CITIZENSHIP:

           USVP IV, UEP II and PMG IV are Delaware Limited  Partnerships,  SV II
           is a Cayman Islands Limited Partnership and Bowes,  Federman,  Krausz
           and Young are United States citizens.

ITEM 2(d). TITLE OF CLASS OF SECURITIES:

           Common Stock

ITEM 2(e). CUSIP NUMBER:

           CUSIP # 64114R109

ITEM 3.    Not Applicable
<PAGE>
                                                             Page 11 of 18 Pages
ITEM 4.    OWNERSHIP:

           The following information with respect to the ownership of the Common
           Stock of the issuer by the persons  filing this Statement is provided
           as of December 31, 1999:

           (a)        Amount beneficially owned:

           See Row 9 of cover page for each Reporting Person.

           (b)        Percent of Class:

           See Row 11 of cover page for each Reporting Person.

           (c)        Number of shares as to which such person has:

                      (i)        Sole power to vote or to direct the vote:

                                 See Row 5 of  cover  page  for  each  Reporting
                                 Person.

                      (ii)       Shared power to vote or to direct the vote:

                                 See Row 6 of  cover  page  for  each  Reporting
                                 Person.

                      (iii)      Sole   power  to   dispose  or  to  direct  the
                                 disposition of:

                                 See Row 7 of  cover  page  for  each  Reporting
                                 Person.

                      (iv)       Shared  power  to  dispose  or  to  direct  the
                                 disposition of:

                                 See Row 8 of  cover  page  for  each  Reporting
                                 Person.
<PAGE>
                                                             Page 12 of 18 Pages
ITEM 5.    OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

           Not applicable

ITEM 6.    OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:

           Under  certain  circumstances  set forth in the  limited  partnership
           agreements  of USVP IV, SV II,  UEP II and PMG IV,  the  general  and
           limited  partners of each of such  entities may be deemed to have the
           right to receive  dividends  from, or the proceeds  from, the sale of
           shares of the  issuer  owned by each such  entity of which they are a
           partner.

ITEM 7.    IDENTIFICATION  AND  CLASSIFICATION  OF THE SUBSIDIARY WHICH ACQUIRED
           THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:

           Not applicable.

ITEM 8.    IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:

           Not applicable

ITEM 9.    NOTICE OF DISSOLUTION OF GROUP:

           Not applicable

ITEM 10.   CERTIFICATION:

           Not applicable
<PAGE>
                                                             Page 13 of 18 Pages
                                   SIGNATURES

     After  reasonable  inquiry and to the best of my  knowledge  and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.

Dated: January 31, 2000


U.S. Venture Partners IV, L.P.          ----------------------------------------
By Presidio Management Group IV, L.P.   Signature
Its General Partner
                                        Michael P. Maher
                                        Chief Financial Officer/Attorney-In-Fact


Second Ventures II, L.P.                ----------------------------------------
By Presidio Management Group IV, L.P.   Signature
Its General Partner
                                        Michael P. Maher
                                        Chief Financial Officer/Attorney-In-Fact


USVP Entrepreneur Partners II, L.P.     ----------------------------------------
By Presidio Management Group IV, L.P.   Signature
Its General Partner
                                        Michael P. Maher
                                        Chief Financial Officer/Attorney-In-Fact


Presidio Management Group IV, L.P.      ----------------------------------------
A Delaware Limited Partnership          Signature

                                        Michael P. Maher
                                        Chief Financial Officer/Attorney-In-Fact


William K. Bowes, Jr.                   ----------------------------------------
                                        Michael P. Maher
                                        Attorney-In-Fact


Irwin Federman                          ----------------------------------------
                                        Michael P. Maher
                                        Attorney-In-Fact
<PAGE>
                                                             Page 14 of 18 Pages

Steven M. Krausz                        ----------------------------------------
                                        Michael P. Maher
                                        Attorney-In-Fact


Philip M. Young                         ----------------------------------------
                                        Michael P. Maher
                                        Attorney-In-Fact



<PAGE>
                                                             Page 15 of 18 Pages
                                  EXHIBIT INDEX


                                                                     Found on
                                                                   Sequentially
Exhibit                                                            Numbered Page
- -------                                                            -------------
Exhibit A: Agreement of Joint Filing                                    16


Exhibit B: Reference to Michael P. Maher as Attorney-In-Fact            18


<PAGE>
                                                             Page 16 of 18 Pages
                                    EXHIBIT A

                            Agreement of Joint Filing

     The  undersigned  hereby agree that a single Schedule 13G (or any amendment
thereto)  relating to the Common  Stock of Netro  Corporation  shall be filed on
behalf of each of the  undersigned  and that this Agreement shall be filed as an
exhibit to such Schedule 13G.


Dated: January 31, 2000


U.S. Venture Partners IV, L.P.          ----------------------------------------
By Presidio Management Group IV, L.P.   Signature
Its General Partner
                                        Michael P. Maher
                                        Chief Financial Officer/Attorney-In-Fact


Second Ventures II, L.P.                ----------------------------------------
By Presidio Management Group IV, L.P.   Signature
Its General Partner
                                        Michael P. Maher
                                        Chief Financial Officer/Attorney-In-Fact


USVP Entrepreneur Partners II, L.P.     ----------------------------------------
By Presidio Management Group IV, L.P.   Signature
Its General Partner
                                        Michael P. Maher
                                        Chief Financial Officer/Attorney-In-Fact


Presidio Management Group IV, L.P.      ----------------------------------------
A Delaware Limited Partnership          Signature

                                        Michael P. Maher
                                        Chief Financial Officer/Attorney-In-Fact


William K. Bowes, Jr.                   ----------------------------------------
                                        Michael P. Maher
                                        Attorney-In-Fact



<PAGE>
                                                             Page 17 of 18 Pages


Irwin Federman                          ----------------------------------------
                                        Michael P. Maher
                                        Attorney-In-Fact


Steven M. Krausz                        ----------------------------------------
                                        Michael P. Maher
                                        Attorney-In-Fact


Philip M. Young                         ----------------------------------------
                                        Michael P. Maher
                                        Attorney-In-Fact
<PAGE>
                                                             Page 18 of 18 Pages
                                    EXHIBIT B

                 REFERENCE TO MICHAEL MAHER AS ATTORNEY-IN-FACT

     Michael P. Maher has signed the  enclosed  documents  as  Attorney-In-Fact.
Note that copies of the  applicable  Power of Attorneys are already on file with
the appropriate agencies.


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