@informationCTO Yes, you can use Ethernet backhaul and wifi and powerline backhauls for different Decos in same mesh. For those that do not use Ethernet backhaul, there is no guarantee which they...

@dNL92 Another benefit of having all and exclusively M5s is firmware 1.6 that will let you configure which Deco connects to which other Deco. With 3 or more Deco units you may find that very handy....

@tpliiiink I have run tests with wired Decos in AP mode, and I am doubtful all traffic goes through Main Deco. I tested on very similar to your network layout. If you want, I can explain in more...

@lbuanos That Toshiba TV model should have Ethernet port. It is nice TV, large screen. It is probably sitting at the wall of the large room, on TV stand, overlooking the whole room without obstacles....

@YanAndrew When you have Satellite Decos connected wirelessly to Main Deco, their optimal location is not in rooms where you want best WiFi signal. Taking Study room as an example. I am assuming you...

@HeyItsCarl Try single band WiFi, to see if it helps: enable only 2.4GHz on Guest Network. Try connecting printer to Guest Network. If that does not work, keep single band and change Guest Network...