<PAGE>
EXHIBIT 7.1
The persons named below hereby agree to file one statement on Schedule 13D
to report beneficial ownership as of July 11, 2000 of Common Stock, par value
$0.01 per share, of LogiMetrics, Inc., a Delaware corporation, and agree that
the statement on Schedule 13D to which this agreement is attached as Exhibit 7.1
is filed on behalf of each of them.
This agreement may be executed (including by facsimile transmission) with
counterpart signature pages or in one or more counterparts, each of which shall
be deemed an original and all of which together shall be considered one and the
same agreement.
Date: July 20, 2000
L-3 COMMUNICATIONS CORPORATION
By: /S/ CHRISTOPHER C. CAMBRIA
----------------------------------------------------
Name: Christopher C. Cambria
Title: Vice President, General Counsel and Secretary
L-3 COMMUNICATIONS HOLDINGS, INC.
By: /S/ CHRISTOPHER C. CAMBRIA
----------------------------------------------------
Name: Christopher C. Cambria
Title: Vice President and General Counsel
Exhibit 7.1-1
