Ключевые слова: abstract, amateur, antique, art, background, blured, business, button, call, circle, communication, computer, concept, contact, design, device, electronic, environment, equipment, frequency, global, input, isolated, line, mobile, object, office, old, phone, radio, receiver, retro, security, sign, single, station, symbol, technology, telecommunication, transceiver, vhf, wave, web, white, wireless,