AM Link is a programming card for the ESC. Furthermore, the data from the ESC can be sent to the transmitter via the telemetry function of the receiver.
The systems of Futaba, FrSky and JETI are supported. For a better understanding we recommend the following video: https://www.youtube.com/watch?v=0QSm41QePRk
Weight [g]: 14
Size [mm]: 44.7x27.1*9.3