Microtune Supplies RF Technology for Scientific-Atlanta's Cable Modems Certified to DOCSIS Standard

7/16/2002 - Continuing its unprecedented success in providing the world's leading broadband equipment manufacturers with its radio frequency (RF) technology, Microtune™, Inc. (NASDAQ: TUNE) today announced that two cable modems from Scientific-Atlanta earned DOCSIS™ qualification in CableLabs® Certification Wave 22. Microtune supplied the RF front-end components, including its patented MicroTuner™ MT2040 single-chip tuner, MT4700 transceiver tuner and broadband amplifiers, for Scientific-Atlanta's Webstar™ cable modems, enabling the delivery of cost-effective, standards-based, high-speed data services to cable subscribers.

Microtune is the silicon and systems company that pioneered the development of the single-chip tuner, and today the company is a leading worldwide supplier of RF end-to-end solutions for the cable broadband marketplace.

Now in their fifth-generation, Microtune's solid-state tuners are characterized by their high performance, power efficiency (1½ watts), small ¼- inch square package and market-proven reliability and manufacturability. Derived from Microtune's RF silicon architectures and circuits, they are protected by more than 13 patents and multiple pending applications. As a testimony to their market acceptance, Microtune's single-chip-tuners have been implemented in more cable modems awarded DOCSIS/EuroDOCSIS certification than all other silicon tuner alternatives combined, providing customers assurance of mature technology with time-to-certification and time-to-production advantages.

"Scientific-Atlanta requires the highest quality, reliability and manufacturability from its strategic component suppliers," explained Himanshu Parikh, Vice President, Cable Modems Group for Scientific-Atlanta's Subscriber Networks. "Microtune's family of RF products continues to meet or exceed our expectations." "Microtune remains focused on bringing customers the competitive and price/performance advantages of leading-edge RF technology with the ability to move quickly into high-volume production," added Douglas J. Bartek, Chairman and CEO of Microtune. "We congratulate Scientific-Atlanta on the successful certification of its cable modems with our Microtune RF components."

The newly certified Scientific-Atlanta cable modems were part of Microtune's success in supplying RF technology to customers whose products were qualified during the latest CableLabs certification wave. In this round, Microtune furnished the RF electronics to 75% of the cable modems that earned DOCSIS 1.1 certification and to more than 60% of those that achieved DOCSIS certification overall.

About Microtune
Microtune, Inc. is a leading silicon and systems company that designs, manufactures and markets radio frequency (RF)-based solutions for the global broadband communications, automotive electronics and wireless connectivity markets. Inventors of the MicroTuner™ single-chip broadband tuner, the Company offers a portfolio of advanced tuner, amplifier, transceiver and wireless products that enable the delivery of information and entertainment across new classes of consumer electronics devices. The Company currently holds 14 U.S. patents for its technology, with more than 50 applications pending approval that span its RF and wireless products, containing almost 2000 supporting claims. Founded in 1996, Microtune is headquartered in Plano, Texas, with key design, manufacturing and sales centers located around the world. The web site is www.microtune.com

Microtune is traded on the NASDAQ Stock Exchange under the symbol TUNE. Microtune, MicroTuner, MicroStreamer and VideoCaster are trademarks of Microtune, Inc. Webstar™ is a trademark of Scientific-Atlanta, Inc.

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