California Microwave supplies radio links to Alabama Power Company.

REDWOOD CITY, Calif.--(BUSINESS WIRE)--April 21, 1997-- California Microwave Inc. (NASDAQ:CMIC) announced today that its Microwave Data Systems (MDS Division) has entered into a long-term Master Purchase Agreement with Alabama Power Company, a subsidiary of Southern Company, one of the nation's largest investor-owned electric utility groups.

The ten-year Master Agreement is for the supply of MDS' industry-leading Multiple Address Radio equipment to Alabama Power Company, as well as other Southern Company affiliates such as Georgia Power, Mississippi Power, Savannah Electric and Gulf Power.

Gary Swatzell, Southern Company Services' Wireless Network Engineer, said, "Microwave Data Systems' equipment was chosen based on a competitive analysis of the performance of the equipment as well as the technical capabilities and technical direction of the company."

California Microwave Inc. is a leading U.S. supplier of satellite earth station and microwave radio infrastructure products, installed in more than 110 countries. Microwave Data Systems is an ISO 9001 registered company and a leading supplier of point-to-point and Multiple Address radios for data and voice applications.

CONTACT: California Microwave

Stephanie M. Day, 415/596-6629

Investor Information Line: 888/225-6789

http://www.calmike.com

or

Microwave Data Systems

Bruce Argauer, 716/242-8317

or

William Dunk Partners, Inc.

Deborah Passik, 919/929-4100