This is Redundancy board for DJI and Pixhawk system with:
3. A2-Naza v2
4. WKM - WKM
5. WKM - Naza v2
6. Pixhawk series - Pixhawk series
7. DJI - Pixhawk series
You can manually switch between 2 controlers or if something fails on the electronic the board will switch automatic to second one.
For manual and installation please send us email on: firstname.lastname@example.org