I have a Deco P9 system with the router and 2 extenders. I'd like to get another extender. Can I buy any TP-Link extender and add it to my existing network?

My WiFi connection has been flaky recently, cutting in and out, especially after a certain time at night (after 10 pm). Right now, my WiFi network isn't working. It has a self-assigned IP address star

I just bought a Deco P9 system because it got good ratings and it has parental controls, but after testing, the devices that are set to block adult content are NOT blocking at all - even with the Chil