Ключевые слова: bandwidth, black, broadcast, brown, cb radio, communicate, communication, connection, device, duplex, equipment, frequency, gray, green, grey, ham, mic, microphone, mobile, no people, nobody, object, radio, radio wave, real, receiver, safety, security, shortwave, sideband, speak, ssb, station, talk, talking, technical, telecom, telecommunications, transceiver, transmit, transmitter, twoway, twoway radio, uhf, vhf, wireless,