No matter if the camera has broken, or you just want a spare lying around in case it does break, you might find this useful.
From Amazon
DJI O3 Air Unit for FPV Drone, Digital Transmission System, 10km Max Range, 1080p/100fps H.265 Video Transmission, Compatible with DJI Goggles 3, DJI FPV Remote Controller 3, DJI Goggles 2, and more
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