InterDigital Demonstrates SlimChip™ Mobile Broadband Modem Solutions at Mobile World Congress in Barcelona

Business Wire, Feb 6, 2008

2G/3G Platform on ExpressCard[TM] Form Factor Delivers HSPA Data Rates of 7.2 Mbps and 1.5 Mbps in the Downlink and Uplink

KING OF PRUSSIA, Pa. -- InterDigital, Inc. (NASDAQ:IDCC) will demonstrate its SlimChip[TM] Mobile Broadband Modem solutions - consisting of high performance Baseband ICs, Reference Platforms, and Modem IP - at the Mobile World Congress 2008 in Barcelona, Spain, February 11-14 (Hall 1, Stand 1D07).

The demonstration features InterDigital's SlimChip Platform on an ExpressCard34[TM] form factor delivering true mobile broadband performance to a notebook computer with streaming video and file transfers at HSPA data rates of 7.2 Mbps downlink and 1.5 Mbps uplink. The exhibit further highlights:

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"Our family of SlimChip products addresses the diverse participants in the mobile market value chain, offering unique advantages to semiconductor companies and mobile device manufacturers," said Mark Lemmo, Executive Vice President, Business Development. "SlimChip solutions enable lower cost and faster time-to-market, increased network capacity, better coverage and faster data rates for a more satisfying consumer mobile broadband experience."

InterDigital invites members from the media and investment community and industry analysts to schedule personal meetings in advance by contacting jack.indekeu@interdigital.com.

About InterDigital

InterDigital designs, develops and provides advanced wireless technologies and products that drive voice and data communications. InterDigital is a leading contributor to the global wireless standards and holds a strong portfolio of patented technologies which it licenses to manufacturers of 2G, 2.5G, 3G, and 802 products worldwide. Additionally, the company offers a family of SlimChip[TM] high performance mobile broadband modem solutions, consisting of Baseband ICs, Modem IP and Reference Platforms. InterDigital's differentiated technology and product solutions deliver time-to-market, performance and cost benefits.

For more information, visit the InterDigital website: www.interdigital.com.

InterDigital and SlimChip are registered trademarks of InterDigital, Inc.