ISCO International Inc (fka ISO)

[JoeSmith]

Raytheon JPS Communications and Clarity Communication Systems To Integrate Cellular Push-to-Talk and Land Mobile Radio Interoperability Devices
Wednesday February 27, 10:00 am ET

RALEIGH, N.C., Feb. 27, 2008 /PRNewswire/ -- Raytheon Company's (NYSE: RTN - News) JPS Communications has collaborated with Aurora, Ill.-based Clarity Communication Systems to integrate cellular push-to-talk and land mobile radio interoperability product offerings.

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Using this new technology, digital push-to-talk cellular users will now be able to instantaneously communicate with land mobile radio users without compromising voice quality and network efficiency. This capability will be marketed to cellular service providers and public safety, enterprise, utility, education and healthcare markets.

"Previously, we were able to integrate cellular phones with radios using voice activated switching once a call was established. Now, the cellular user gains direct control of the push-to-talk line on the radio for an immediate connection," said Keith McDonald, vice president of Sales and Marketing for Raytheon JPS Communications.

JPS Communications' radio interoperability products allow disparate communications devices to communicate. Using push-to-talk, connections can be made immediately with no dialing, ringing or waiting for a phone to be answered.

"By combining these technologies, digital push-to-talk cellular users can now simply press the push-to-talk button on their cell phone keypad to directly connect, or disconnect, to a land mobile radio," said Jim Fuentes, general manager for Clarity's

JPS Communications, the industry leader in radio interoperability technology, is a wholly-owned subsidiary of the Raytheon Company. JPS Communications designs, manufactures and sells electronic hardware and software products that enhance the effectiveness of communications systems.

Raytheon Company, with 2007 sales of $21.3 billion, is a technology leader specializing in defense, homeland security and other government markets throughout the world. With a history of innovation spanning more than 85 years, Raytheon provides state-of-the-art electronics, mission systems integration and other capabilities in the areas of sensing; effects; and command, control, communications and intelligence systems, as well as a broad range of mission support services. With headquarters in Waltham, Mass., Raytheon employs 72,000 people worldwide.

Note to Editors:

Clarity Communication Systems specializes in the design, development and deployment of solutions for mobile devices and wireless networks. Clarity also provides network infrastructure solutions and works with major telecommunications carriers and equipment providers to deliver a wide range of custom-built products. Founded in 1998, Clarity is headquartered in Aurora, Illinois, a Chicago suburb. For more information, visit http://www.claritycsi.com.

As of 2008, Clarity Communication Systems is part of ISCO International, Inc. (Amex: ISO - News) For more information on ISCO International, Inc., visit http://www.iscointl.com.

Contact:
Katie McWilliams
919.865.1036
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