Ключевые слова: am, amplitude, analog, ancient, antique, audio, band, broadcast, broadcasting, channel, china, classic, communication, control, country, demodulator, electronic, entertainment, equipment, exhibition, fm, frequency, knob, loudspeaker, macau, mandarins house, media, modulation, object, obsolete, old, oldfashioned, out of date, outdated, radio, receiver, retro, rotary, sound, speaker, station, switch, technology, transmission, tuner, vintage, volume, wireless, wood, wooden,