Just found out about the 7" Lumenier 1000cd/m² Panel FPV Monitor w/ 5.8GHz 39CH Diversity Rx, Battery, DVR."
Notice it has the same brightness as the DJI 5.5" CrystalSky, and sells for far less ($279.)
I understand that DJI uses their own (and very good) transmission protocols, etc., but if...