... Kingpo Electronic Co., Ltd Product name: KP-558UV dual band two way radio, dual band walkie talkie, dual band transceiver, dual ... W) *32mm (D) Weight(including antenna, battery)210gAntenna Impedance50ΩTransmitter RF Power Output5wModulation TypeF3EClutter and Harmonic≤ -60dBResidual Radiation≤ -40dBModulation Distortion≤5 ... . 3. Optional accessories KP-558UV VOX TOT dual band two way radio long range