Antennas; antenna mounts; mounting brackets for antennas; antenna switches; antenna adaptors; radio frequency adaptors; radio frequency adaptor kits; loudspeakers; voltage reducers; duplexers; surge protectors; wire connectors, electricity; power supplies; electrical radio connectors; power splitters; power cords; extension cords; coaxial cables; fuse holders; radio-frequency power meters; microphones for telecommunication apparatus; microphone holders; microphone hooks; earphones; antenna springs; antenna quick disconnects; antenna ferrules
Electrical and Scientific Apparatus