74701174
Jul 14, 1995
Jul 20, 1999
radio voice communication system comprised of antenna, microphone and transceiver for providing radio voice communication between journeymen firefighters, police, military personnel, industrial employees and hazardous material handling personnel and between journeymen and a group leader and between a group leader and a communication center such as a fire engine or fire company, base station, or repeater
Electrical and Scientific Apparatus