The Baofeng Extendable Antenna will allow you to get longer range on your radio. This antenna features a 3.0 dB signal with up to 10W of power. Boost the signal of your radio significantly Compatible with many Baofeng/ Kenwood walkie talkie models Get longer range of communication signal Height of Antenna before extended is 13cm， after maximum extended is 41cm Boost the signal of your radio significantly! Frequency: 400/470MHz Gain: 3.0 dB Max Power: 10Watts SMA-Female connector Impedance: 50 Ohms Length: 13-41 cm Weight: 45 g Color: black Compatible with: Baofeng handheld Radio: 777s 888s UV-82 UV-B5 UV-B6 GT-3 BF-F8 UV-5RA UV-5RC UV-5RE All UV-5R+ series Kenwood handheld Radio: TK-2107 ，TK-3107 ，TK-2260 ，TK-3260， TK-3160 ，TK-278 ，TK-378...etc Linton handheld Radio: LT-2288， LT-3288， LT-3188， LT-2188， LT-3260， LT-2268， LT-3268 ， ..etc Jingtong handheld Radio: JT-208 ，JT-308 ，JT3118，JT2118 PUXING Handheld Radio: PX-777 ， PX-777 PLUS ， PX-666， PX-3288 WEIERWEI handheld Radio: VEV-3288S FDC handheld radio: FD-6288