California Amplifier Expands Relationship With Atheros Communications; Atheros will license California Amplifier's wireless 802.11a/b/g technology for its customers

OXNARD, Calif., July 29 /PRNewswire-FirstCall/ -- California Amplifier, Inc. (Nasdaq: CAMP) today announced a licensing and services contract with Atheros Communications, Inc. Under the agreement, Atheros will license California Amplifier's wireless 802.11a/b/g technology for its customers. The agreement is an extension of an alliance initiated in 2002 that established California Amplifier's Solutions Division, formerly known as Vytek, as an Atheros design center and technology license reseller.

"Today's agreement is the natural evolution of a very beneficial partnership," said Tracy Trent, President, Solutions Division, California Amplifier. "The alliance between Atheros and California Amplifier has helped support and drive the adoption of emerging Wi-Fi technology. This agreement extends a strategically important relationship and further establishes our Company as a leading provider of emerging Wi-Fi technologies."

Under the agreement, California Amplifier will supply software drivers that enable user devices (such as PCs, laptops and set-top boxes) and access points operating on Linux to utilize Atheros' 802.11a/b/g chipsets. California Amplifier's software drivers control the user device and access point hardware enabling wireless data transfer and work in conjunction with embedded processors such as Intel's IXP-425 MIPS, X86 and Power PC for Linux.

The alliance between the two companies has resulted in successful Wireless Local Area Network (WLAN) development and implementations across a variety of industries and applications, including:

• Telematics that enable car-to-car communications
• Wireless outdoor media distribution devices
• Video distribution networks
• Infrastructure for mobile enterprise networks
• Secure access control

"Atheros is recognized as a leader in the wireless industry, and this alliance has helped us meet our mission of delivering to our customers the highest performing 802.11a/b/g technology," said Colin Macnab, Vice President of Marketing and Business Development at Atheros Communications. "We look forward to continuing to work together and further expanding our joint initiatives."

About California Amplifier, Inc.

California Amplifier is a leading provider of breakthrough wireless and content delivery solutions, services and products. With comprehensive capabilities ranging from product inception through production, California Amplifier is a trusted partner delivering cost-effective, high quality solutions to a broad array of customers and markets. California Amplifier is one of the largest suppliers of direct broadcast satellite (DBS) equipment to the U.S. DBS market and offers solutions for digital multimedia delivery, residential broadband data delivery, health care, retailing applications, public safety markets and wireless enterprise connectivity. The company is headquartered in Oxnard, California and has approximately 800 employees. Founded in 1981, California Amplifier and has been publicly traded since 1983 as Nasdaq:CAMP.

About Atheros Communications, Inc.

Atheros Communications is a leading developer of semiconductor system solutions for wireless communications products. Atheros combines its wireless systems expertise with high-performance radio frequency (RF), mixed signal and digital semiconductor design skills to provide highly integrated chipsets that are manufacturable on low-cost, standard complementary metal-oxide semiconductor (CMOS) processes. Atheros technology is being used by a broad base of leading customers, including personal computer and networking equipment manufacturers. For more information, visit www.atheros.com.

FORWARD-LOOKING STATEMENTS:

Except for the historical information contained herein, the matters set forth in this press release, including the ongoing licensing of the Solutions Division's technology by Atheros under their agreement, the expansion of California Amplifier's and Atheros' joint initiatives, and the continuing alliance between them, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from expected results, including, but not limited to, the impact of competitive products and technological advances, Atheros' and California Amplifier's ability to market their respective products and their ability to continue to work together on commercially acceptable terms, and other risks detailed in Atheros' Quarterly Report on Form 10-Q for the quarter ended March 31, 2004 and in California Amplifier's Proxy Statement/Prospectus (number 333-112851) filed with the Security and Exchange Commission (SEC) pursuant to Rule 424(b)(3) on March 11, 2004, and in other SEC filings made by each of Atheros and California Amplifier from time to time. These forward-looking statements speak only as of the date hereof. Each of Atheros and California Amplifier disclaims any obligation to update these forward-looking statements.

SOURCE California Amplifier, Inc.