Ключевые слова: aerial, blue, broadcast, cellphone, clouds, communication, electronics, emit, ether, frame, framework, frequency, gsm, high, industrial, industry, many, mast, metal, mobile, network, phone, pillar, radar, radiate, radiation, radio, ray, receiver, send, signal, sky, source, station, stock, structure, tall, technology, telecom, telecommunication, telephone, television, tower, transceiver, transmit, transmitter, tv,