Comtech Telecommunications Corp. Announces Contract to Demonstrate Viability of Using Its Over-the-Horizon Microwave Modem in U.S. Military Terminals.

Business Editors/High-Tech Writers

MELVILLE, N.Y.--(BUSINESS WIRE)--Sept. 10, 2003

Comtech Telecommunications Corp. (Nasdaq: CMTL) announced today that its Orlando, Florida-based subsidiary, Comtech Systems, Inc., has received a contract award for $370,000 from a prime contractor to demonstrate the feasibility of using its patented state-of-the-art S-575 Adaptive Digital Troposcatter Modem to double the data rate of the U.S. Department of Defense, AN/TRC-170, Over-the-Horizon Microwave Troposcatter terminal from 4 Mbps to 8 Mbps.

Comtech will provide its equipment, engineering field support, and training to demonstrate the S-575 modem on a link between Alabama and Florida using two AN/TRC-170s setup and operated by the Alabama Air National Guard. Successful link performance will demonstrate the viability of quickly doubling the data rate of the AN/TRC-170 without any degradation in link performance.

Fred Kornberg, President and Chief Executive Officer of Comtech Telecommunications Corp., said, "During our last investor conference call, we mentioned that there is a potential market for our over-the-horizon systems with the United States Military. Although this contract award is for a modest amount, it enables us to demonstrate the technological superiority of our products to a potentially significant customer."

Mr. Kornberg added, "The success of this contract could be a first step toward upgrading, and eventually replacing, the U.S. Military's installed base of over 600 Terminals of over-the-horizon microwave troposcatter equipment."

Comtech Systems, Inc., (www.comtechsystems.com) an Orlando, Florida-based company, specializes in system design, integration, supply and commissioning of turnkey communication systems including satellite, over-the-horizon microwave and line-of-sight microwave systems.

Comtech Telecommunications Corp. (Nasdaq: CMTL) is an innovative player in the domestic and global high-technology markets. Through its operating units, Comtech pursues opportunities in three interrelated market segments: telecommunications transmission, RF microwave amplifiers, and mobile data communications services. In each of these segments, growth has been driven by increasing demand for telecommunications infrastructure and network and messaging services. The Company's specialties include the design and manufacture of advanced products and networks used for transmission of voice, data and video using satellite, over-the-horizon microwave, terrestrial line of sight and other wireless communications systems. More than 300 distinct Comtech products are in service in more than 100 countries.

Certain information in this press release contains statements that are forward-looking in nature and involve certain significant risks and uncertainties. Actual results could differ materially from such forward-looking information. The Company's Securities and Exchange Commission filings identify many such risks and uncertainties. Any forward-looking information in this press release is qualified in its entirety by the risks and uncertainties described in such Securities and Exchange Commission filings.

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