Ключевые слова: 3g, 4g, antenna, antenna tower, base, blue, broadcasting, cdma, cellular, communication, connection, construction, data, electricity, electromagnetic, equipment, frequency, global, gsm, industry, metal, microwave, mobile, network, phone, pylon, radio, receiver, satellite, sky, station, structure, technology, telecom, telecommunication, telecommunication tower, telephone, television, tower, transmission, transmitter, wave, white, wireless,