ITEM NAME:Yagi Antenna Signal Booster Amplifier for DJI Mavic Pro Spark Controller Product Description Description: Remote Control Signal Booster Amplifier for DJI Mavic Pro Air Mini Spark Phantom 4 Pro Controller Yagi Antenna Signal Range Extender Feature: 1. Yagi antenna signal booster (2.4Ghz) for remote controller, suitable for DJI Mavic Mini/ Mavic 2/ Mavic Air/ Mavic Pro/ Spark controller with screen, for Phantom 4 Pro, for DTO EVO II series remote control; 2. Yagi antenna can make the signal stronger and more stable, reduce accidents and make flying safer; 3. The installation position is precisely calculated, and it is just stuck at the height where the antenna signal reflection is strongest, and it is plug and play. Specification: Material: hard rubber + brass Colour: Black Quantity: 1 pair Packing size: 96*69*33mm/3.78*2.72*1.30" Compatible device: for DJI Mavic Mini/ Mavic 2/ Mavic Air/ Mavic Pro/ Spark controller with screen, for Phantom 4 Pro, for DTO EVO II series remote control; Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monito Included: 1 X Controller Signal Booster.Yagi antenna can make the signal stronger and more stable, reduce accidents and make flying safer;. The installation position is precisely calculated, and it is just stuck at the height where the antenna signal reflection is strongest, and it is plug and play.