inputs.text: awiating replacehement unit - received kit ordered nazamv2 upgrade indicatedafter assehembling significant effort part understand unit details finally took completed built f550 kit nazamv2 systehem local rc hobby shop supportafter many hours dollars hobby shop along ehempire hobby approved dji distributor reseller determined nazamv2 control unit defectivei notified autek agreed replace two weeks later received replacehement unit instead nazamv2 sent nazalite significantly cheaper unit wih limited expandable capabilitiesi immediately notified autek told original unit sent nazamv2 expensive try make cheaper nazalite work upsettingi provided autek multiple examples use nazamv2 shall seefor would not trust autek