Retevis Two Way Radio Antenna SMA-M Dual Band Antenna Elite Whip&nbsp;Antenna 144/430MHz for Retevis RT1 TYT MD-380 UV8000D Walkie Talkies(1 Pack) Two way radio antenna dual band; Connector SMA-M; Length Approx 14.8inches Dual frequency136-174/400-480MHz; widely used in 2 way radios Gain 2.15db and extend the range of your communication The longer the high gain 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