Aiskaer 5.8GHz Circular Polarized Mushroom Antenna for FPV Multicopter Tx Rx SMA ,RP-SMA Female Plug RX/TX Set for RC 5.8G Transmitter and Receiver (Straight inner hole) 5.8 GHz Circular Polarized Antenna Set for transmitter and receiver Omnidirectional, high efficiency Greatly Improved the signal range and covering of your fpv wireless video transmitting and receiving system The Cloverleaf Antennas enclosed with a plastic protection cover to prevent damage the Cloverleaf shape copper wire Connector: SMA Male