Joined: 12/11/2011
Last login: 9/1/2012 10:29:AM
Location: N/A, ITALY
SELLER REPLY:
The upgrade needs to be soldered inside the transmitter. If you take a look at the www.gtronics.net website you can download a detailed manual that shows how to connect it. There are just three soldering points! Let me know if you need any further info. Regards and ciao Gabriele