Ключевые слова: activity, antenna, bodyguard, channel, communicate, communication, control, electronic, emergency, equipment, frequence, frequency, hand, handheld, holding, job, male, microphone, mobile, occupation, operator, people, phone, police, portable, protection, radio, receiver, remote, safety, security, service, speak, staff, system, talkie, talking, talky, technology, transceiver, transmitter, uhf, using, walkie, walkietalkie, walky, wave, wireless, worker, working,