BaoFeng GT-3 Mark-II+Remote Speaker Pofung Transceiver, FM Radio, Dual Band, Chipsets Upgraded Frequency range: 65-108 MHz(only commercial FM radio reception) VHF: 136-174 MHz(ax/TX). UHF: 400-520 MHz(ax/TX) Broad (wide) / narrowband (narrow), high power / low (5W/1W), selectable. Selectable frequency step/2.5/5/6.25/10/12.5/25 KHz. Function "vex" (voice operated transmission), "offset" (frequency offset for repeater access). Function busy channel lock "bolo".