RARE Smartieparts 9xtreme upgrade board v1.1 and v218 firmware installed. FrSky D8R-II Plus telemetry. Zippy LiFe 1800mAh 9.9v battery (decent condition, holds charge but will likely need something new soon). This rare unit is something I put together back in 2016 and haven’t used much since then. Ready to go to a new home, make […]