Ключевые слова: antenna, army, background, black, button, buttons, channel, closeup, communicate, communication, control, device, digital, display, electronic, emergency, equipment, frequency, hamradio, hand, isolated, military, mobile, mobility, modern, number, pair, personal, phone, plastic, police, portable, radio, receive, remote, safety, security, speaker, system, talkie, talking, technology, transceiver, transmit, transmitter, volume, walkie, wave, white, wireless,