SainSonic INF-641 23CM SMA Female High-Gain Antenna For Baofeng/Wouxun/Quansheng/Kenwood Original Baofeng GT-3 MK II Antenna 100% new, factory packed and never been used. It is extendable that boost the signal of your radio significantly. Brand: SainSonic Model: INF-641 Band: Dual Band VHF/UHF Gain: 2.15dBi Max.power rating: 10W Impedance: 50 ohms V.S.W.R: Less  than 1.8 Connector: SMA-F Type: 1/ 4wave (144/430MHz),  120/150/300/450/800MHz for receiving only Length: 23cm / Weight: 12g