Retevis 2 Way Radio Antenna SMA-F Dual Band Antenna Compatible Baofeng UV-5R BF-888S Retevis H-777 RT-5R TYT Kenwood Walkie Talkies (1 Pack) Connector SMA-F; Length Approx 37.7cm Dual Frequency 144/430MHz(136-174+400-480MHz) Gain 2.15db and extend the Range of your communication Flexible and bend but don't break;The longer the antenna is the better the antenna is capable of boosting weak frequencies Simple and Convenient return process; 60 days warranty provide by us and 30 days no reason to return