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Open source router firmware project OpenWrt ships its own entirely repairable hardware
(www.theregister.com)
This is a most excellent place for technology news and articles.
Turn it off then and use your own APs, it’s what I do in my home. I don’t have this specific router but I have a box with 2 eth ports, one goes to pppoe and the other to my home switch, where my APs are connected.