Ключевые слова: 4g, 5g, aerial, amateur, antenna, band, black, broadcasting, communication, connectivity, dark, electromagnetic, engineering, generation, gsm, internet, internet of things, iot, isolated, microwave, modern, monopole, narrow band, narrowband, radio, radio frequency, receive, receiver, reception, reflection, rf, rfid, signal, software defined radio, softwaredefined radio, technology, telecommunication, telecommunications, transmission, transmit, transmitter, transponder, tune, tuner, tv, uhf, vhf, wifi, wireless,