Can I use a TP-Link AC750 mesh wifi range extender with my Deco E4? If so, will there be two different network or one single network?

@David-TP I have experienced the issue when Network Optimization kept telling "this network is congested". What should I do?

Is the router power supply issue which i mentioned in my post relevant to my problem?

My deco E4(Single Pack)'s network is congested on a daily basis. I have to optimize the network daily once or more than once in some days. I have no more than 8 devices connected to my network. Most...

Can I use the M4 as master device? I mean, I want to connect the my GPON terminal output to the M4 and extend the E4 with M4. is it possible?

I am currently using a deco e4 router. Now I want to add a deco m4 as my primary router and add my previous deco e4 to this network. Now I want to whether deco m4 is compatible to connect with deco...