PRESS RELEASE

RESTON, VA - Comsearch announced today sales of its premier microwave path design software tool to Dolphin Telecom GmbH of Germany in a deal valued at over $550,000k in software licenses that will be used to support Dolphin's TErrestrial Trunked RAdio (TETRA) network in Germany.

IQ·Link is the industry-leading spectrum allocation and engineering software tool that supports the end-to-end design of fixed microwave networks. The tool is a proven and trusted engineering product for path clearance, reliability assessment, and fast, accurate interference analysis assessments, having been used to place more than 60,000 microwave links into production worldwide. Designed by microwave engineers for microwave engineers, the software tool incorporates the ability to engineer point-to-point (P-P) fixed networks with the ability to design point-to-multipoint (PMP) microwave networks, supporting the connection of GSM, UMTS, TETRA networks, and the design of Wireless Local Loop (WLL), Local Multipoint Distribution Service (LMDS), and other PMP systems.

Dolphin Telecommunications LTD was formed to establish and operate digital mobile radio networks across Europe based on TETRA technology that combines features of mobile cellular telephony and fast data communications for mobile business workgroups. Dolphin Telecom, headquartered in Basingstoke, UK, is part of the European group, Dolphin Telecom Plc, the largest public mobile radio network operator in Europe with over 300,000 subscribers in the UK, France, Belgium, Germany, Spain and Portugal and has licenses covering a population of more than 240 million. In the UK, Dolphin Telecom, a wholly owned subsidiary of Telesystem International Wireless, a global wireless operator listed on the Toronto Stock Exchange (TIW) and NASDAQ (TIWI), owns the two national mobile radio network operators - NB3 and Fleetcomm.

"We are very excited to have Dolphin Telecom join our customer base with their selection of our IQ·Link product that will help them enhance the quality of their TETRA network," said David Donohoe, vice president of Information Services at Comsearch. "Utilizing our IQ·Link product will assist Dolphin with meeting its overall objectives of saving time, reducing costs and improving efficiencies and service to their customers."

"Dolphin Telecom requires a fast, reliable tool for microwave path design as part of their TETRA network deployment," said Steve Meador, IQ·Link product manager at Comsearch. "They recognize IQ·Link as the superior product for microwave planning, as have other operators, equipment vendors and engineers."

Comsearch (www.comsearch.com), designs, deploys, and optimizes wireless networks worldwide. Comsearch provides service solutions, engineering and GIS data to operators of Microwave, Mobile Satellite, Cellular, PCS, and Fixed Wireless networks. In addition to experienced engineers, its software line addresses the engineering challenges of fixed network design and spectrum relocation. Comsearch, located in Reston, Virginia, is an Allen Telecom company (ALN: NYSE).

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