Spektrum AR7300BX 7CH DSMX FBL Control System SPMAR7300BX This is the Spektrum AR7300BX 7CH DSMX FBL Control System.The Spektrum AR7300BX combines the precision of a BeastX flybarless system with the security of a 7-channel, DSMX receiver in a single, compact unit. No special programming interface is needed for setup and adjustmentG all youGll need is the DSMX or DSM2 transmitter it's bound to.Complementing this incredible technology is an integrated power bus that elim