https://mezha.media/en/2022/12/05/lte-routers-do-not-depend-on-wired-internet-which-zyxel-and-mikrotik-models-should-you-pay-attention-to-during-a-blackout/
LTE routers do not depend on wired Internet - which Zyxel and MikroTik models should you pay attention to during a blackout?