KENMAX UHF 400-470MHz Flexible Spring BNC Antenna for Walkie Talkie Ham Radio ICOM IC-V9 Frequency Range: 400-470MHz Gain : 3dBi;V.S.W.R: &lt;1.8 Input Impedance: 50;Maximum Power Input-watts: 50W Connector Type: BNC-male;Net Weight: 0.03kg Length: 17cm;Diameter: 1.5cm