MuLuo 2/5/10/20pcs UHF/400-470MHz Antenna SMA-F (Female) for H777 BF-666S 777S 888S Radio 2pcs Frequency: UHF/400-470MHz. Antenna Length: 11cm. Antenna Type: SMA-F. Compatible Radio Model: Retevis H-777 Hot Model Radio, BF-666S, BF-777S, BF-888S All of our items are Brand New.