ELECTRICAL SPECIFICATIONS Frequency Range:144MHZ&430MHZ Band width:MHz Impedance:50 VSWR:<1.5 Gain:2.15/3.2dBi Polarization:Vertical Maximum Power Input-watts:20W Radiation:Omni Radiation:Direct Ground MECHANICAL SPECIFICATIONS Height:505mm (19.8 inch) Termination:SMA-male Radome