Ключевые слова: antenna, army, blue, broadcast, button, call, communicate, communication, contact, electronics, emergency, handheld, illustration, isolated, medical, message, mobile, nobody, object, people, personal, phone, police, portable, radio, receive, remote, rescue, safety, scan, security, set, signal, speaker, system, talkie, talking, technology, telephone, transceiver, transmission, transmit, walkie, walkietalkie, wave, white, wireless,