RE: ace rc inc Christy Mixer
Good Morning John
It's been many years since I have used one. What it does is provides V mixing for older radios that did not have it. Two of the cables plug into the receiver and two servos to be mixed plug into the other two cables. I do not remember having any problems with the one I used. I am just guessing but this unit must be 15 or 20 years old.
I hope this helps,
Pete