Originally Posted by sammyc
But if run via training port, you also need to provide power to the module, power is supplied to module via pins in the back.
And modules are a much cleaner method of doing it.
But obviously the trainer port module would be compatible with heaps of tx's.
You are right that it needs a separate battery. However, major manufacturers do not offer interchangeable modules on their new transmitters anymore. Therefore, this is the only viable option short of modifying the hardware inside. This is an example of a product that I was talking about.