Keep your whole home online and connected to the internet when your internet service provider goes down. Use a mobile data USB dongle connected to your router so that everything connected to your home network keeps their internet connection even when your internet service provider breaks.
Here's how to setup internet failover on an ASUS router.
See my other video on the USB 3G/4G LTE Mobile USB dongle unboxing which I use for my failover device.
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