Ключевые слова: analog, antenna, blue, call, cell, channel, communicate, communications, data, digital, dish, distance, electronics, icon, illustration, industrial, information, internet, isolated, media, microwave, mount, network, object, observe, power, radar, radio, receive, receiver, reception, remote, research, satellite, science, send, sign, signal, sky, station, study, surveillance, symbol, technology, telecommunications, television, transmission, tv, waves, wireless,