Ключевые слова: antenna, bars, blue, broadcast, cell, cellphone, central, channel, communicate, communication, comunication, connection, data, digital, dish, email, engineering, equipment, industrial, industry, mast, media, metal, mobile, net, network, outdoors, phone, radio, receive, receiver, satellite, signal, sky, station, steel, structure, tall, technology, telecommunications, telephone, television, top, tower, transmitter, wireless,