Specification: Frequency Band: 136-174 MHz Central frequency point: 145 MHz Gain: 2dBi Length: 7.36inches Weight: 35g Impedance: 50 Ohm Max Power: 10W Antenna connector: SMA Male VSWR: less than 1.5 Direction of radiation: Omni-directional antenna Operating Temperature: -20°С ~ +80°С Storage Temperature: -30°С ~ +85°С