HC 100 High Quality SMA MALE or SMA Female dual band antenna.Frequency Range: 134 to 174MHz1/4λ,120/150/300/450/800/900MHz receiving onlyImpedance: 50 OHMGain 2.15dBMax Power: 10 WattsV.S.W.R . less than 1.5Length: 7.5 inch / 19 cmConnector: SMA-Male..