Frequency band: 400-470 MHz Central frequency point: 435 MHz Gain: 3.5 Bi Length: 15-41.5 cm Weight: 15g Impedance: 50 Ohm Maximum power: 10 W Antenna connector: SMA socket VSWR: less than 1.5 Material: Rubber surface, metal inside Polarization mode: Vertical polarization Radiation direction: omnidirectional antenna Operating temperature: -20 °C to +80 °C Storage temperature: -30 °C to +85 °C Packing list:1x 41.5 CM Walkie Talkie Two Way Radio Long Range Antenna UHF Antenna CB Handheld Radio Antenna.