With this Garrecht internal ADS-B out package you can make your VT-01 transponder ADS-B suitable for out capable.
The adapter is simply placed in parallel of your current installation. No soldering required
The GPS receiver is high-quality has the appropriate RS232 interface and comes preconfigured for the VT01.
Simply install the adapter plug, position the GPS antenna, and you're done. No settings are required on the VT-01.