1. Use this throttle Hub to calibrate the throttle range for the Quattro ESC ( The Quattro is an equipment in quadcopter, usually it has 4 ESCs in 1 board);
2. Use this throttle Hub as throttle signal distributor for several speed controllers (1 ESC to 4 ESCs).
HOBBYWING Throttle Hub for 4-in-1 Quadcopter ESC
1 x throttle Hub