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Essex Corporation Releases DuoBinary Transponders for Evaluations

COLUMBIA, Md., March 7 / -- Essex Corporation (NASDAQ:KEYW) Commercial Communications Products Division (CCPD) is now offering for evaluation purposes the Essex Edge(TM) 10 Gb/s DuoBinary 300-pin MSA Transponders for applications requiring very long reach transmission. Essex has successfully demonstrated interoperability of the Essex Edge(TM) DuoBinary Transponder in a private demonstration with other Optical Internetworking Forum (OIF) members in February 2006.

Transponders are communications modules that receive, amplify, and retransmit optical signals on a different frequency. Optical DuoBinary Transponders are more dispersion tolerant versions of existing 10 Gb/s transponders that enable transmission over longer distances.

"The extended reach requirement we have heard from network equipment manufacturers can be implemented with either transceivers or transponders," according to Len Moodispaw, CEO and President. "By adding the Optical DuoBinary 300-pin MSA Transponder to our product portfolio, Essex is able to offer the extended reach functionality that addresses lower cost of network implementation in either a transceiver or transponder module."

The OIF will sponsor a multi-vendor interoperability demonstration at OFC/NFOEC 2006 in booth # 1149. The live event will demonstrate the interoperability of an application code for Very Long Reach links. This application code, developed in conjunction with the ITU-T, is based on alternate modulation techniques supporting transmission through 2400 ps/nm of residual dispersion without regeneration or in-line optical compensation. The application code supports carrier requirements for longer reaches at lower costs and allows for direct upgrade of 2.5 Gb/s to 10 Gb/s Very Long Reach links.

The OIF is a non-profit organization with a unique and diverse member base, including many of the world's leading carriers, component manufacturers and system vendors. The purpose of the OIF is to accelerate the deployment of interoperable, cost effective, and robust optical networks and their associated technologies. More information on the OIF and the interoperability demonstration can be found at

Essex offers fiber optic modules and subsystems for advanced communications applications in both the commercial and government markets. Located in Melbourne, Florida, Essex CCPD designs, manufactures, integrates, and tests the products that include 80 km and extended temperature range XFP Transceivers, DuoBinary 300-pin MSA Transponders, and Microwave Transceiver Assemblies. Datasheets for these products can be downloaded at They will also be highlighted in our booth #3733 at the Optical Fiber Communications Conference which is being held in Anaheim, CA, March 6-10, 2006.

About Essex:

Essex provides advanced signal, image, information processing, information assurance and cyber-security solutions, primarily for U.S. Government intelligence and defense customers, as well as for select commercial customers. We create our solutions by combining our services and expertise with hardware, software, and proprietary and patented technology to meet our customers' requirements. For more information contact Essex Corporation, 6708 Alexander Bell Drive, Columbia MD 21046-2100; Phone 301.939.7000; Fax 301.953.7880; E-mail, or on the Web at

Source: Essex Corporation

CONTACT: Leonard E. Moodispaw, Chairman, CEO & President of Essex
Corporation, +1-301-939-7000

Web site:

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