two way radio wireless antenna 1,design especially for handheld walkie talkie 2,rubber antenna with waterproof 3,delicate an two way radio wireless antenna Firstly, Electrical characteristics Product name(Manufactory) rubber duck antenna / two way radio antennaModelBIO-B027Frequency Range(MHz)144MHZ/430MHZGain(dBi)2 dBiV.S.W.R≤1.5input Impedance(Ω)50ΩPolarization modeVerticalWe have CE, ROHS and ...