Harvest RH-771W VHF/UHF dual band antenna (SMA-S) Frequency Range: 145/435Mhz (2M / 70Cm) Impedance: 50 Gain 2.15dB Max Power: 10 Watts V.S.W.R . less than 1.5 Connector: SMA-S (Male) Length: 40 Cm