A quick and dirty adaption of the Matek M9N-5883 holder for the 5" ImpulseRC Apex frame.
Mounts the GPS out the back and at a slight angle.
Use self-tapping screws or machine screws + superglue as a ‘threadlocker’.
Can also put down a strip of VHB tape in the lower half as added insurance.
The author hasn't provided the model origin yet.