Ключевые слова: 2way, aerial, air, am, amateur, amplitude, antenna, band, call, cbradio, channel, communicate, communications, emergency, fm, frequency, ham, handheld, isolated, long, marine, mobile, portable, ptt, radio, receiver, scanner, security, short, talkie, transceiver, transmitter, twoway, uhf, vhf, walkie, walkietalkie, wave, wireless,