Communication equipment, namely transceivers, communication receivers, radio frequency receivers, radiotelephone, mobile transceivers, marine-band transceiver, air-band transceiver and amateur radio transceiver; and components of the foregoing and accessories therefor, namely microphone, speakers, headphones, batteries, battery packs, battery chargers, power supplies, power packs, amplifiers, transmitters, modulators, demodulators, remote controllers, antennas, antenna tuners, headset, switch...