Jmt Ultimate Version MWC Mega 2560 9dof Flight Control Board Care Free for Rc Quadcopter UFO + Self Return X Mode Support GPS HOLE(GPS Fixed Position Suspend),GPS HOME (self-return Function) Support all MWC Firmware,High extend capacity Small size,Standard 45x45mm mounting holes 6 input channels for standard receiver and PPM SUM receiver Up to 8-axis motor output