Nighthawk M5 5G with WiFi 6 (MR5200) losing Connection intermittingly

I have a weekend Lakehouse off the grid, and in the past, used a JetPack Hotspot for Internet Connection to keep an eye on the house.  The JetPack was operational operational for YEARS, and never lost connection.  To take advantage of an attractive AT&T Data Plan, I purchased a Nighthawk M5 5G Mobile Hotspot with WiFi 6 (MR5200) a few months ago.  Since installing, it's physically lost connection a few times, where I had to drive up and manual reset the unit.  

Any feedback on when this happens?

Also, is there a way to have the unit auto-reboot (i.e. Every Night, Once a Week, etc.)?

Current Firmware is NTGX55_12.04.10.01