You can also buy inexpensive orange brand 2.4 Ghz receivers for Spektrum brand radios. This is a big plus. You can find them at Wholesellers for about $7.00. This is an incredible deal and this really makes going to a hobby grade 2.4 Ghz radio cost effective. When it only cost $7.00 to put in a receiver the Spektrum become the best value radio out there.