InterDigital Wins FDD DealInterDigital Wins FDD Deal

KING OF PRUSSIA, Pa. -- InterDigital Communications Corporation (Nasdaq: IDCC), a leading architect, designer and provider of wireless technology and product platforms, today announced that its Frequency Division Duplex (FDD) protocol stack technology, a component of InterDigital's complete WCDMA solution, will be utilized by Infineon Technologies AG (Infineon) in solutions to be provided to Huawei Technologies (Huawei) under their recently announced partnership.

Under its joint development relationship with Infineon, begun in March 2001, InterDigital provides portions of Infineon's FDD protocol stack for wireless terminal devices. In accordance with that agreement, InterDigital would receive royalties on a per unit basis for baseband components sold by Infineon to Huawei that include the jointly developed FDD protocol stack.

"We congratulate Infineon and Huawei on their recent announcement," said Howard Goldberg, President and Chief Executive Officer. "We look forward to contributing to their success, as well as the overall success of 3G wireless in China. The use of our FDD protocol stack technology, jointly developed with Infineon, is evidence that we are delivering competitive solutions to the 3G wireless market."

InterDigital Communications Corp.

Infineon Technologies AG

Huawei Technologies Co. Ltd.