Radar Antenna Range Booster for DJI Phantom 3 Inspire 1 TX Signal Radar antenna range booster , Parabolic design , According to the optical and analytic geometry Full range coverage, strong and stable signal, can extend the range up to 2.8kms time Lightweight, durable, practical and convenient to use Thick aluminum foil higher reflectance Fit for: DJI Phantom 3 Inspire 1 controller