| Every little bit helps .. 
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 Thursday April 15, 4:24 pm Eastern Time
 
 Company Press Release
 
 California Microwave to Supply MRC Video Microwave
 Systems to Hearst-Argyle Stations in Exclusive Agreement
 
 SUNNYVALE, Calif.--(BUSINESS WIRE)--April 15, 1999--California Microwave Inc. (Nasdaq
 National Market:CMIC - news) announced today that it has entered into an exclusive agreement
 with Hearst-Argyle to supply a wide range of MRC brand long-haul and portable microwave
 products. The purchase agreement was accompanied by purchase orders totaling over $1 million for
 digital studio-to-transmitter links (STLs) and electronic newsgathering (ENG) systems.
 
 Established reputation
 
 ''MRC has been a leader in the broadcast microwave business for many years,'' states Marty
 Faubell, vice president engineering, Hearst-Argyle Television, ''and worked alongside our WCVB
 station since the first live ENG microwave shot. Since then, MRC has continued to provide the
 quality products and service to our company and we have chosen MRC as our partner again for
 1999.''
 
 The purchase orders supplied under the agreement specify MRC TwinStream(TM) radios for
 Hearst Argyle stations implementing or upgrading their digital television facilities, including
 WCVB-DT, Boston; WESH-DT, Orlando-Daytona; KCRA-DT, Sacramento; and WISN-DT,
 Milwaukee. In addition, the orders include MRC FLH-DAR microwave systems for WISN-TV,
 Milwaukee and KSBW-TV, Salinas. ENG systems ordered under the agreement include systems
 for WPBF, West Palm Beach, and WTAE, Pittsburgh.
 
 Hearst-Argyle Agreement with California Microwave
 
 Hearst-Argyle Television Inc. owns and/or manages 26 network-affiliated television stations, and
 owns and/or manages seven radio stations, in geographically diverse U.S. markets. The company's
 television stations reach about 17.5% of U.S. TV households, making it one of the two largest
 non-network owned television station groups in the United States, as well as one of the eight largest
 television groups overall as measured by audience delivered.
 
 California Microwave's products include the market-leading MRC and EFData brands. With its new
 TwinStream and CodeRunner(TM) products, the MRC brand continues to be the leading choice for
 analog and digital video microwave systems in the U.S. and internationally. EFData is a
 world-leading brand of satellite modems, including the new SDM-2020 series for digital video
 transport with a choice of QPSK and 8PSK modulation.
 
 California Microwave Inc. (http://www.calmike.com) is a leading supplier of terrestrial wireless and
 satellite-based systems to support ultra-high speed Internet access, broadcast digital TV transport
 and worldwide Internet backbones. California Microwave also provides industry-leading solutions
 for satellite-based data communications and terrestrial wireless telemetry networks.
 
 With its emergence as a leading architect of the wireless broadband evolution, California Microwave
 will change its name to better express this new identity. Effective April 29, 1999, it will become
 Adaptive Broadband Corporation (ADAP).
 
 Contact:
 
 California Microwave, Sunnyvale
 Stephanie M. Day, 408/743-3429 (V.P.-IR/Corp. Comm.)
 sday@adaptivebroadband.com
 or
 Investor Information Line, 888/225-6789
 calmike.com
 
 EOM-----------------------------------------------------------------
 
 Jim in CT .. digital broadcast TV is rolling out !!
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