Ключевые слова: antenna, background, blue, broadcasting, business, cell, cellphone, clear, clouds, communication, communications, communications tower, connection, electromagnetic, equipment, exterior, frequency, global, high, industry, infrastructure, metal, microwaves, mobile, modern, network, radiation, radio, receiver, repeater, signal, silhouette, sky, sky tower, station, summer, surveillance, tall, technology, telecommunication, telecommunications, tower, transmission, transmit, vertical, view, waves, wireless,