O'woda DJI Phantom 3 / 4 / Inspire 1 Signal Booster Foldable Parabolic Antenna Signal Range Extender Remote Controller Signal Copper Enhance Board Special Design:Suit for your DJI Phantom 3 Advance / 3 Pro, phantom 4, Inspire 1 controller (Not For Phantom 3 Standard) Parabolic Technology:Made by Copper, Effectively prevent oxidation. The metal coating is formed to act as a mirror reflector radar energy. More Flight SecurityAccurate parabolic curved booster completely reflects the remote signal to the antenna.To improves both remote control and Wi-Fi video connection performance for DJI Phantom 3, phantom 4, Inspire 1. (increase the range by 50% or more) Foldable & Portable: Convenience for Outdoor and travel.no tools or modifications required,very easy to install and remove. Higher ReflectanceThicker foil higher reflectance, flexible design and convenient to use