alt Hacker NewsUnifi (which the OP uses) even has dedicated devices for this type of failover: https://help.ui.com/hc/en-us/articles/29887153953559-UniFi-5...
Unifi (which the OP uses) even has dedicated devices for this type of failover: https://help.ui.com/hc/en-us/articles/29887153953559-UniFi-5...
Spendy though.
The Unifi 5G modem for the UK [1] is £378 (~USD500) and that's just the hardware, you still have to pay for a suitable SIM.
I can see why some people are drawn to the Starlink option at 1/3 of that price.
1. https://uk.store.ui.com/uk/en/category/internet-solutions/co...