gouduoduo2018 Aluminum Parabolic Antenna Range Booster for DJI Phantom 4 3 Inspire 1 Controller Transmitter Signal Extend Design for your DJI Phantom 4 3 / Inspire 1 controller. Newest version,Enhanced, foldable, easier to carry and storage Parabolic reflector. No bump or deformation on the reflecting panel!!!Accurate parabolic curved booster completely reflects the remote signal to the antenna (the focal point of the reflector) It improves both remote control and Wi-Fi video connection performance for DJI Phantom 4 3 / Inspire 1. In an open testing area, it boosts additional 50%-100% FPV range NOTE: Romote controller is not included (reference only). Our Parabolic Antenna Range Booster is directional, in order to have the best performance, you need to point the antenna to the drone while flying.