iSaddle 5.8Ghz Circular Polarized RC FPV Antenna Set High Gain Clover Leaf Aerial w/RP-SMA Male RP-SMA-J Circularly Polarized for Reduced Interference. Runs on 5.8 GHz Commonly Use for FPV Systems. Clover-Leaf Style Antenna / Omni-Directional. RP-SMA Plug for both receiver and transmitter. Precision Manufactured and 100% Tested.