@Mikestjames I checked its specs, and can tell that Netgear Nighthawk R7900 is quite nice router. You should use it, to offload Main Deco. These are the steps: 1. Power off Main Deco, disconnect it...

@Mikestjames You are correct, a router is required to run Deco mesh in Access Point mode. Xfinity offers gateway (modem+router combo) for its Internet users, and it also allows to bring third party...

@Mikestjames Have you considered switching Deco mesh to AP mode? One of the possibilites is your Main Deco overloaded when running in Router mode. See Switching a Deco to Access Point (AP) Mode. If...

@Ravin This is how to set Deco in Access Point mode: https://www.tp-link.com/ca/support/faq/1842/ After you've done that, your ISP router will be managing IP addresses allocation for your home...

@eradovan21 With M5/M4/E4, you should realistically expect up to 500Mbps on Main Deco and about half of that, meaning 250Mbps, on Satellite Deco. In theory, you could get up to 867Mbps on WiFi5 on...

@Jackles The isolation is by default in Router mode, I believe, and can not be disabled. When running in Access Point mode, that option appears in WiFi configuration and see how it is described, at...