Ключевые слова: aerial, air, antenna, background, beam, broadband, broadcast, broadcasting, cell, cellular, communications, connection, equipment, frequency, grid, high, illustration, mast, metal, microwave, mobile, modulation, net, network, phone, power, radio, receiver, retro, satellite, send, signal, sky, space, station, steel, tall, technology, telecommunication, telephone, television, tower, transmission, transmit, transmitter, tuner, tv, vector, wave, wireless,