Quote Originally Posted by Neil View Post
So if it is the same RDS-TMC FM system used in the GTM fm receivers it may still be possible to flash 40/50 with 140/150 fw to use an external receiver? Anyone can get the fw to check HWID and compatibility?
No new software on garmin site. Initial version in device is not present as usual gcd file. Scan to regions?! For that we need in help of advanced user only - my source is frightened crow