Ключевые слова: background, business, caucasian, communicate, communication, construction, emergency, equipment, hand, handheld, high, industry, mobile, mobility, organized, outdoor, personal, phone, police, portable, radio, receive, receiver, red, remote, safety, scan, security, system, talkie, talking, technology, transceiver, transmit, transmitter, twoway, using, walkie, walkietalkie, wave, way, white, wireless,