RetevisRHD-771 2 Way Radio Antenna for H-777 /RT-5R Baofeng /Kenwood Walkie Talkie (10 Pack) Connector: SMA-F; Length Approx: 39cm/15.4 Dual Frequency: 144/430MHz(136-174+400-480MHz),widely application field Gain 2.15dBi gain,Max power: 20W: Extend the range of your communication Antenna folds 90 degrees,long life: Use ABS material and Heat shrinkable sleeve,better than other general antenna Package includes: 10 x antenna; 45 days warranty provide by us