Retevis 2 Way Radio Antenna SMA-F Dual Band Antenna VHF/UHF 144MHz/430MHz Antenna Compatible Baofeng BF-888S UV-5R Retevis H-777 RT-5R (5 Pack) SMA-F Antenna; Length with 15.4 inches Dual Frequency; 144/430MHz(136-174+400-480MHz) Gain 2.15db; Extend the Range of your communication The longer flexible antenna is the better the antenna is capable of boosting weak frequencies Package;include 5 packs SMA-F Antenna;60 days warranty provide by us and 30 days no reason to return