Research "binaural"
GSM iirc is 900-1800 MHz, 3G gous up to 2800MHz, most are ISM bands go up to 5GHz. Lte is 400MHz up to 2xxxMHz
Research "binaural"
GSM iirc is 900-1800 MHz, 3G gous up to 2800MHz, most are ISM bands go up to 5GHz. Lte is 400MHz up to 2xxxMHz