Originally Posted by niznai

There is no comparison. The Spektrum was so slow I just couldn't use the speed of my steering servo. Mind you that was a DX3 Spektrum which is a rather old radio. Newer Spektrums are better but still below the KO. The Spektrum also had problems with losing binding for fractions of a second which can't help. I can tell you that just by changing the radio I shaved about 1 second a lap on our track.