GDL 88 vs GTX 345 : GTX 345 rather GDL 88 & Flightstream
The cost for the software to unlock these functions for either the GDL 88 or the GTX 345 is $795, and it can be installed at any Aspen Avionics .... ADS-B "Out" and "In" solutions for your aircraft.
gdl88a.jpeg. GDL 88 and GDL 88H ... GTX 345.
Garmin panel mount all-in-one ADS-B "In" and "Out" Transponder .... Aspen Evolution™ Displays to Interface with Garmin's GDL® 88 and GTX 345 ADS-B Units ... The cost for the software to unlock these functions for either the GDL 88 .... VFR flights are automatically posted to nearest departure and arrival airports with Garmin 345 transponder but not GDL 88 - instead must lookup by N number..
The new Garmin GTX 345 is a better solution potentially for me in my ADSB compliance. I have a Garmin 430W, and an Aera 560 panel mounted and interconnected..