Thanks for your reply. Here is the layout. There is furniture, like bed and drawers in each room. *Green = connection and signal strength

@TP-Link_Deco Thank you for your reply. I just realized that I actually have 6 M9's. They are all connected to the Kitchen main Deco via wifi. I see the weakest connection is 2 bars, which is the...

I have a 1,900sq ft apartment and have the main Deco M9 in the kitchen (only internet jack) and placed 4 satellite M9's in each of the bedrooms. There are walls and closets interfering between each...