Spitz-ax constantly losing connection while on the road

i have a spitz ax that i use with a t-mobile sim mostly as a backup internet connection at home, but occasionally while we’re on road trips as well. it works perfectly at home, and most of the time on the road…but occasionally while we’re on the road it just completely drops the connection and will not reconnect unless i power cycle the modem. i’ve tried everything i can think of from within the UI (manual setup, tower lock, band lock, changing from 5g to 4g, etc)…once this happens, nothing will bring the connection back up except power cycling the entire router.

anyone ever seen this and/or have any idea how to fix it? i know people are using this in their RVs for mobile internet so there’s gotta be something weird at play here, i just haven’t been able to figure out what it is or how to resolve it…

What is the firmware version of your Spitz AX?
If not v4.8.3, please upgrade to this version, which improves cellular connectivity.

What does the cellular interface show when disconnected on the road?

If it is on the road, please do not lock the tower, band, and etc anything, because each tower and connected band on the road may be different, just let the cellular module decide automatically.