I have a 3pk radio and futaba crystals I was wondering if you can use a JR receiver with a futaba radio? And if you can use the futaba crystals also. Please e-mail me @ khenson4@columbus.rr.com and let me know I dont check on here to often. Thanks Kevin

I don't think so. While they may operate on a 75 or 27 frequency one brand operates on the upper frequency range while the other operates on the lower frequency band. It's the KO and JR that are more compatible with each other.

i agree with high roller cause i dont think that those are very interchangable but u can use novak recievers