The DJI Relay Module works with the T40 and T20P to extend the signal range. The Relay take signal from the remote and sends it to the drone. Simply put it high up on an extendable pole or out in the field on a hill and you will have tremendously improved signal strength.
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Firmware Requiments
Aircraft: 01.01.0510
Remote Controller: 01.01.0837
App: 6.5.19
*** This item can not be overnight shipped due to Lipo Hazmat***
