Alientech 火星人 - The controller of the modified DJI Mavic 2 Pro / Zoom can be equipped with an external ALIENTECH antenna. Extend the signal port outside the remote control, you can
Amazon.co.jp: RS Products Alientech DUO Antenna Booster AlienTech DJI Mavic Series Flight Distance Improves Video Stability : Electronics
Alientech PRO 5.8G Booster for DJI, Autel I Covert Drones