Ключевые слова: access, antenna, area, bad, badge, ban, blue, broadcast, broadcasting, business, communication, computer, concept, connection, digital, electronic, icon, indicator, information, interference, internet, lost, mobile, modem, network, no, notice, phone, pictogram, radio, red, restricted, restriction, sign, signal, spot, station, strength, symbol, technology, wave, weak, web, website, white, wifi, wireless,