Ключевые слова: active, aerial, antenna, background, blue, broadcast, building, cable, channel, communication, data, digital, dish, electronic, equipment, global, hd, home, house, internet, mobile, network, old, outdoor, radar, radio, receiver, reception, roof, satellite, satellite television, signal, sky, sky background, space, station, system, technology, telecommunication, telecommunications, telephone, television, thailand, transmission, transmit, tv, wave, wireless,