Parameter Specification ??Frequency Range??: 136-174 MHz (VHF), 400-470 MHz (UHF) ??Gain??: 3.5 dBi (VHF), 6.0 dBi (UHF) ??VSWR??: ?1.5?Center Frequency:144/435MHz? ??Input Impedance???: 50 ? ??Polarization???: Vertical ??Max Input Power???: 100W ??Lightning Protection???: DC Ground ??Connector Type???: UHF Female (SO-239) ??Dimensions???: ?2 × 120 cm ??Weight???: 1.0 kg ??Operating Temperature???: -20°C to +85°C ??Wind Rating???: 60 m/s ??Radome Color??: White ??Mounting Method??: Pole-mounted ??Mounting Range??: ?30-?50 mm