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 Applicable radio models: Compatible with Vertex Standard VX-130, VX-131, VX-132, VX-160, VX-180 VX-210, VX-210A, VX-230, VX-231 VX-350, VX-351, VX-354, VX-410, VX-414, VX-420, VX-424, VX-600 VX-800, VX-820, VX-821, VX-824, VX-829 VX-900, VX-920, VX-921, VX-924, VX-929 VX-970, VX-971, VX-974, VX-979