Deco X15

Just FYI: The AX1500 contains 3x Deco X15 (https://www.tp-link.com/us/deco-mesh-wifi/product-family/deco-x15/) while the AX1800 contains 3x Deco X20 (https://www.tp-link.com/uk/home-networking/deco/deco-x20/). Considering they're the same price, you'd be mad getting the X15 over the X20. As far as T

Would it work, yes. But the 320 and the node would need to have different network names otherwise you will end up with a double NAT situation and your devices may not work correctly. Either jumping back and forth between networks or staying connected to the sub optimal one when moving from one part

If you want to really audit you internet traffic, you'll need to get a more feature-filled router. You can turn off the router features on the Deco X15 and just put it in Access Point mode, then set up something like OPNsense if you have an extra PC you can use as the router. Or you could get someth

I probably wouldn't go cheaper than the Deco x15, then the Eero Pro 6 if you want a significant step up. Might be able to find used on your local marketplaces. Also if that's a router/modem combo unit you're currently using. You could look into putting it into bridge/passthrough mode once you get a