Features:Design for your DJI Phantom 3 / Inspire 1 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 / Inspire 1, In an open testing area, The actual measurement distance greater than 2.8KM.Made by Copper,Effectively prevent oxidation.Package included:2pcs skyreat Copper Parabolic Antenna Range Booster