Ключевые слова: antenna, background, black, button, channel, communicate, communication, emergency, frequency, grass, hand, handheld, mobile, mobility, objects, outdoor, personal, portable, radio, receive, receiver, remote, safety, scan, security, system, talkie, talking, talky, technology, transceiver, transmit, transmitter, twoway, vhf, walkie, walkietalkie, wireless,