Right ok so I’m not alone in this. To be entirely faitr it was after a long day of convention, me and my at the time girlfriend were very put off by it, like, the feet and the grooming and the day drinking really push too forward for the original message to still make sense and we’d only ever mention it in jest.
It requires an LTE capable gateway and a data plan. As for the rest you can simply write your routing tables so that if the main gateway doesn’t work, use the secondary gateway with lower prio.