Ключевые слова: aerial, antenna, background, blue, broadcast, business, cell, cellular, cloudy, communication, concept, connection, construction, copy space, danger, data, digital, dish, encryption, equipment, filter, global, grey, industry, information, internet, media, mobile, network, nobody, outdoors, phone, radio, safety, satellite, signal, sky, surveillance, technology, telecommunication, telephone, television, tower, transmitter, vertical, vintage, white, wireless,