Head tracked FPV just got easier with the new FPV Goggles L and GM series gimbals from Caddx. Previously it has required a separate head tracking unit fixed to the side of the FPV goggles and plugged into the radio transmitter trainer port to send the head movements to the receiver which sent the signals to a pan servo and a tilt servo in a 3D printed gimbal holding the FPV camera in the cockpit.