CSRC-RX3000 Spektrum DSM2 Compatible 2.4Ghz 6-Ch Receiver Great alternative to the Spektrum AR6100 at a low, low price! Ideal for mini profile foamies, 400-size helis, and almost any small electric model Compatible with DSM2 aircraft radio and module systems Super lightweight 6-channel receiver weighing just 3.5 grams Great replacement for E-Flite Blade CX2, CX3, and SR helis