77541304
Aug 7, 2008
Jun 1, 2010
Wireless battery-powered communications headsets for use with communication radios, intercom systems, or other communications network transceivers, aforementioned headsets being equipped with a microphone and headset speakers, configured for pairing with a wireless dongle to provide a short-range communication link for use in multiple applications including railroads, fire or public safety, military, racing, agriculture, heavy industry and aviation, particularly ground crew
Electrical and Scientific Apparatus