I currently have a Deco M9 Plus network consisting of five routers connected to a gigabit fiber ISP. The maximum download speeds I can get on any given device on my network is between 120-180Mbps...

Set up my new P9 two days ago. Since then, I have received a number of alerts that a new device has joined my Deco network. Some I recognize as devices we own that are logging back into the network...