Retevis Two Way Radio Antenna Dual Band 15.4" SMA-F High Gain Antenna Compatible Kenwood Radio BaoFeng UV-5R 888s Retevis H-777 RT-5R Walkie Talkies(5 Pack) Connector SMA-F; Length Approx 39cm/15.4 Dual frequency 144/430MHz(136-174+400-480MHz) and widely application field Gain 2.15dBi gain;Max power 20W will Extend the range of your communication Antenna folds 90 degrees and long life; Use ABS material and Heat shrinkable sleeve;better than other general antenna Simple and convenient return process; 60 days warranty provide by us and 30 days no reason to return