DJI Futaba FPV 4 Leaves Omni TX / RX Antenna (RP-SMA Plug) for 2.4GHz Transmitter / Video Transmission System Increases your video range and clarity Can serve as TX antenna on 2.4GHz transmitter or RX antenna for video transmission system Gain (dBi): 2.5-3; VSWR: &lt;1.5 Coverage: 360 degrees; Polarization: Circular; Connector: RP-SMA plug (male) Package included: RP-SMA Plug Antenna x 1 (DJI Phantom quadcopter, transmitter and other accessories are NOT included)