Ключевые слова: amateur, antenna, bandwidth, close up, communicate, communications, emergency, frequency, handheld, medical, mobile, mobility, objects, organized, people, personal, phone, police, portable, radio, receive, receiver, recreational, remote, repeater, safety, scan, scanner, secrecy, security, simplex, system, talkie, talking, talky, technology, transceiver, transmit, transmitter, trunking, using, walkie, walkie talkie, wave, wireless,