Retevis 2 Way Radio Antenna SMF-F Antenna Compatible BaoFeng UV-5R 888S Retevis H-777 RT-5R RT5 Kenwood Wouxun TYT Walkie Talkies (1 Pack) Connector SMA-F; frequency 144/430MHz(136-174+400-480MHz) Length 5cm allow you convenient to carry and you can put it in your pocket Max power 10W can boost the signal of your radio significantly No tools need; easy to install so plug and play installation;It is a great improvement for your radio Simple and Convenient return process;60 days warranty and 30 day return with no questions asked