RE: Build USB Interface cable
What JR radio do you have? I think you will find if you don't take the module out that it is sending out a signal. Plug your radio in to your sim and turn your heli on, that will tell ya.
When I use my 9303 on the sim, If I don't take the module out it is real hard on the battery, if I take the module out the battery will last twice as long before I have to charge it.