Latest DOCSIS Certification Results Reinforce Microtune's RF Leadership in Supplying to Cable Modem Manufacturers

10/8/2002 - Continuing its success rate, Microtune® announced that seven out of nine new cable modems earning 1.1 certification in the 23rd round of CableLabs® DOCSISTM testing were based on Microtune's radio frequency (RF) silicon and systems tuner technologies. Included among these was a cable modem from Belkin Corporation, a leading manufacturer of retail computer connectivity products, which achieved its first cable modem DOCSIS qualification success in this wave.

"The CableLabs DOCSIS specifications have been key in the success of the cable industry in deploying broadband services," said Douglas J. Bartek, Chairman and CEO of Microtune. "We are pleased that major manufacturers such as Belkin Corporation have relied on our products as strategic RF components in their DOCSIS 1.1 cable modems. Microtune is committed to supplying sophisticated tuner and amplifier technology that advances the state of the cable industry and that continues to offer customers competitive, cost and performance advantages."

Cable access devices deploying Microtune RF technology were also submitted in the practice rounds for DOCSIS 2.0 and CableHomeTM testing. Designed to support the next generation of cable specifications, these cable modems enable an expanded range of advanced IP-based cable services, including cable telephony, multimedia and cable in-home networking. Microtune's silicon and systems products, engineered to support robust video, voice and data services, meet the stringent RF requirements needed to allow cable modems to pass the 1.0, 1.1 and 2.0 versions of the DOCSIS and EuroDOCSIS standards, as well as CableHome and PacketCableTM specifications.

Microtune, the holder of multiple patents for its single-chip tuner and amplifier architectures, provided the RF components that enabled tuning, receiving and transmitting functionality in the cable modems' systems electronics.

With this most recent CableLabs certification activity, Microtune's silicon and systems technology continues to dominate the RF market in DOCSIS-certified cable access products. The company has provided the tuner-receiver solution in one or more models for 43 of the 69 companies that have been awarded DOCSIS or EuroDOCSIS certification. Additionally, Microtune's tuners have now been combined with demodulators from four of the leading demodulator manufacturers in DOCSIS cable modems achieving 1.1 certification, including three in the latest round of testing.

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 MicroTunerTM 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 22 U.S. patents for its technology, with more than 50 applications pending approval that span its RF and wireless products, containing more than 2000 supporting claims. Founded in 1996, Microtune is headquartered in Plano, Texas, with key design, manufacturing and sales centers located around the world. Microtune is traded on the NASDAQ Stock Exchange under the symbol TUNE.

Microtune is a registered trademark and MicroTuner, MicroStreamer and VideoCaster are trademarks of Microtune, Inc.

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