Ключевые слова: antenna, background, bandwidth, breaking, communication, community, discussion, electrical, electronic, emergency, equipment, fire, flat, group, ham, industry, keypad, listen, mobility, modulation, news, object, occupation, officer, phone, push, radio, reader, receiver, receiving, red, repeater, scanner, secrecy, secret, security, service, signal, simplex, speak, sport, staff, system, talk, technology, telephone, transceiver, urgency, voice, waves,