@TP-Link sorry. silly question. But how do you get the info for specific signal strength deco units? my app only show these options. and I clicked all of them. thanks.

Hi guy, Recently switch to M9 Plus. Setup was easy and smooth (both LED green) The issue is the upstairs satellite is slow. Main is getting 300 down. Upstairs is 25. It's just a small house <1400 sf...