Can the frequency module be removed so that the battery charge lasts longer on my 4YF or my 6EXA? Also I don't want the transmitter sending out a signal in my neighborhood. I can do this on my AM tx but not sure about the 4YF.

You should be able to pull the crystal module out from the top of the radio. Makes the batteries last for a long time.

I remove my crystal anytime im using AFP, I just pull it out when using the sim and pop it back in when done so i dont lose it. This adds serious time to my charge and supposedly dosent fry the Tx internals by sending signals w/ the ant. down.

Your crystal is on the lower left of the front, should slide right out.

I have a plug I got from OMP for my 9c that bypasses the module and just turns th TX on..Maybe there is one for your radio..I would check on their website.

I think this is for all Futaba radios that have the square mini connector. I just ordered one. I'm not sure if it will bypass the frequency module and save battery power though. Who said it does that? I can just pull my crystal if it doesn't bypass it.

If your tx has a square port on the back then it will work..The way it was explained to me is that it uses very little power because you are not transmitting a signal..When you are transmitting the signal then it is using power as if you were actually flying..

What about real flight G3? What do I do to my futaba trans?