Ключевые слова: antenna, blue, broadcast, cable, cell, cellular, communication, data, electricity, engineering, equipment, frequency, high, information, light, line, mast, media, metal, mobile, modern, nature, network, new, phone, plant, radio, satellite, signal, silhouette, sky, station, steel, structure, technology, telecommunication, telephone, tower, transmission, transmitter, wave, wire, wireless,