Well ... because uAvionix is now working to remedy a supposed fault in the EchoUAT unit that I have I'm seriously considering an upgrade to the TailbeaconX and an AV30-E:

https://uavionix.com/echouat-update/

The issue is encoder information and they have a free fix for it but I've been eyeing the AV30-E. Loosing the weight of my Garmin 320A and it's encoder (while gaining a bit of cockpit space) would be a good thing. FWIW I've done multiple PAPR reports for my plane and no faults have been noted ...