blue is the older one ,orange - new one ,let me bring this issue of mind cause its related to tlghome post ..........same thing happen to me out of control ,im on the ppm mode im using analog servos ,everything was charge ,fine, except im losing control i end up wrecking my rc8t, im really frustated i went home & check the damn plug is lose (rx batt)everytime i play w/ the plug the damn power went off(fut. receiver) & thats my issue I guess i need to start using micro deans connector ................believe it or not its been 2 mons i m chasing this 3pk thing ,i been trying the 2 ant. (radio & module antne.) but still losing control on & off