R9M module extender
thingiverse
I've used an RCA cable that was just lying around, but any other cable can be substituted. The long connector pins are ideal for the ground station. https://www.amazon.co.uk/2-54mm-20mm-Long-Header-Pins/dp/B00U8R3Y2G A single row PCB header socket connector cut to size is also required. https://www.amazon.co.uk/Single-2-54mm-Straight-Female-Header-Black/dp/B00GYRNAMS/ref=sr_1_7?ie=UTF8&qid=1540161264&sr=8-7&keywords=single+row+pcb+socket
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