Ключевые слова: active, aerial, antenna, background, blue, broadcast, building, cable, channel, communication, data, digital, digital terrestrial television, 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,