fatshark receiver module dock
thingiverse
fits a 10 pin socket and a small perf board to give it strength (about 3 holes wide, might need to sand it to fit fits the boost converter linked, has a cutout for wires https://www.ebay.com.au/itm/DC-DC-Boost-Converter-Step-Up-Module-1V-5V-to-Stable-5Volts-500mA-Power-Module/262997798474?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 i used eachine vr006 goggles powered the boost converter straight from the external battery (two 18650 cells in parallel, connected to the stock battery connector on the mainboard) the video goes to the video in port on the goggles, the stock receiver is still intact so you can switch between it and the external receiver
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