Ключевые слова: aerial, and, antenna, black, broadcast, broadcasting, cell, cellular, communication, connection, electromagnetic, equipment, field, frame, frequency, global, gsm, high, industrial, industry, information, line, mast, metal, microwave, mobile, network, phone, radio, receiver, satellite, signal, sky, space, station, steel, structure, technology, telecom, telecommunication, telephone, television, tower, transmission, transmit, transmitter, tv, wave, white, wireless,