Ключевые слова: 2g, 3g, 4g, 5g, aerial, air, antenna, antennas, blue, broadcast, broadcasting, cell, cellular, coaxial, communication, connection, data, day, electromagnetic, equipment, frequency, gear, ground, grounding cables, internet, mast, microwave, mobile, mobile phone, network, optic, outdoors, panel, phone, power cables, radio, satellite, sky, station, steel, structure, technology, telecom, telecommunication, telecommunications, top, transmission, transmitter, warning, wireless,