Originally Posted by
whitrzac
If you send in transponders to upgrade....
RC4 transponders will ONLY work with updated decoders.
RC4 hybrids will work with tracks with the old decoders.
Good catch Zach - So guys if you get the RC4 Transponder it will not work at tracks that have an older decoder than the newest RC4 decoder. If you get the RC4 Hybrid it will work anywhere on new or old MyLap (AMB) decodes.