1 x Antenna Range Booster
Engineered specifically for DJI Mavic Controller Transmitter
Made of special Material with Aluminum mirror.Get strong and stable singal
Perfectly fit on the antenna,easy to install or remove,Will not be too tight or too loose
Lightweight and will not affect the antenna for any movement
Please make sure windsurfer Antenna faced in the general direction of the phantom for it to work properly.A opening area will be better to test.