Ключевые слова: abstract, airwaves, antenna, app, audio, broadcast, broadcasting, business, button, communication, concept, content, design, device, equipment, flat, fm, game, goods, graphic, group, icon, interface, isolated, media, mobile, modern, modulator, music, network, old, phone, radio, receiver, retro, set, sign, smartphone, sound, station, symbol, tablet, technology, telecommunications, transmitter, volume, web, wireless,