SKYREAT Copper Parabolic Antenna Range Booster for DJI Phantom 3 Standard / SE Controller Transmitter Signal Extend Design for your DJI Phantom 3 Standard /Phantom 3 SE Controller Accurate parabolic curved booster completely reflects the remote signal to the antenna (the focal point of the reflector) Parabolic reflector. No bump or deformation on the reflecting panel!!! It improves both remote control and Wi-Fi video connection performance for DJI Phantom 3 Standard. Please make sure the copper side face to the drone.