Ключевые слова: angle, antenna, broadband, broadcast, broadcasting, cell, cellphone, cellular, communicate, communication, elecetric, electric, electromagnetic, emit, ether, field, frame, framework, frequency, gsm, high, industrial, low, mast, metal, mobile, network, phone, radiation, radio, ray, receiver, red, repeater, send, signal, station, technology, telecom, telecommunication, telephone, television, tower, transceiver, transmission, transmit, transmitter, tv, white,