"Also/Otherwise, what adapter *Does* work for sure? I hear complaints on this one, the adafruit one, and the 3DR one... ..
I'd just buy a different adapter, but which one? (For xBee Pro 900's)"
I have read every internet search permutation I could come up with.I've had a pretty good adventure with this quadcopter up to this roadblock.No matter what I try cannot get APM 2.6 to send data over radio modem..I never get ANY transmission from…