Features:100% brand newAntenna Range Extender Radio Signal BoosterFunction: Boost range/Amplify signalRadar antenna range booster， Parabolic design， According to the optical and analytic geometrySuitable for DJI Phantom 3S StandardSpecifications:Material: Metal reflectorColor: WhiteSize(L x H): Approx. 3.15X1.06" / 80 x 27mmPackage included:1 x Antenna Range Extender Radio Signal BoosterNote:This is a directional antenna booster， it must allow a paste with aluminum foil facing aircraft will have effect.