Retevis RT-773 Extensible/Retractable Antenna SMA-F Female Dual Band 144/430MHz for Retevis H-777/RT-5R/Baofeng 888s/UV 5R/Kenwood/TYT 2 Way Radio (10 Pack) Connector: SMA-F;Dual Frequency: 144/430MHz(136-174+400-480MHz) Gain: 2.15db/3.0db: Extend the Range of your communication Telescopic Antenna,Length Approx: 4.13"-15.5"(10.5-39.5cm) Antenna type: Extensible/stretched: you can adjust the length depending on your needs Simple and Convenient return process:45 Day Warranty provide by us,the best replacement for your 2 way radio