HYSize Dual-Band NMO 20 inch Antenna VHF 144 & UHF 430 MHz Antennas for Motorola Kenwood Icom Vertex Blackbox HYT Hytera V/U Mobile Radios

Frequency Range     144&430MHz Band width     MHz Impedance     50Ω VSWR     < 1.5 Gain     144MHz (3.0dBi),430MHz(5.0dBi) Polarization     Vertical Maximum Power Input-watts     100W Lighting Protection     Direct Ground Radiation     Omni Connector     NMO Height     510±5 mm(20inch) Diameter Of Chassis     39.3±0.2 mm Radiating Element material     Stainless Steel