Ключевые слова: access, antenna, background, black, blue, box, broadband, camera, cctv, communication, computer, connect, connection, data, device, digital, distance, equipment, firewall, green, hardware, high, hot, internet, isolated, long, mobile, modem, net, network, outdoor, park, point, router, safety, secure, security, signal, sky, spot, switch, symbol, technology, telecommunication, web, white, wifi, wireless,