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Successful Testing 3G WCDMA Processor

15th July 2003

US : Zyray Wireless, a San Diego based start-up company developing the SPINNER(TM) family of wireless semiconductor products, announced today a successful completion of interoperability tests with a major European UMTS infrastructure equipment provider.

The interoperability tests were performed using a form factor handset reference design, powered by SPINNERchip 1.0, Zyray's WCDMA baseband processor. Also part of the reference design was Infineon Technologies' S-GOLD EGPRS baseband processor and WCDMA/EGPRS RF transceiver solution including SMARTi-U and SMARTi-DC+. Comneon, a wholly owned subsidiary of Infineon, provided the multi mode protocol stack software.

The SPINNERchip test results assure that Zyray Wireless' WCDMA solution is operational on commercial UMTS infrastructure equipment. Numerous features of the combined SPINNERchip and protocol stack solution were verified, including proprietary modem algorithms within the packet data services environment.

"We are working closely with key industry players to ensure interoperability," said Erik Jakobsen, Director 3G Software at Comneon. "Our WCDMA multimode software is a key element in the 3G mobile solutions of our customers, and we are pleased to work with Zyray Wireless to ensure a robust system when operating in a multi-vendor network environment. This will prove most important in enabling our customers to smoothly ramp up their 3G products in 2004."

"The successful completion of interoperability testing with a major infrastructure vendor is another key step in delivering our WCDMA SPINNERchip solution to the market," said Michiel Lotter, Vice President of Engineering at Zyray Wireless. "Through continued testing with the major UMTS infrastructure providers, Zyray Wireless looks forward to providing a robust and proven WCDMA solution to its handset and data card customers."

About Zyray Wireless
Zyray Wireless is developing the SPINNER family of WCDMA semiconductor products. SPINNERchip enables low-risk, low-cost evolution of existing GSM/GPRS products to dual-mode (WCDMA & GSM/GPRS) solutions. SPINNERchip 1.0 was successfully demonstrated at 3GSM Congress 2003 in a working dual-mode handset reference design.

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