@kb867 eBay is good for used/new M5's. A single unit is about £50 to purchase, bidding normally ends up more than that. There are sets of 3 going on auction which normally end up going for about...

@kb867 Decos are always set up in router mode first as default which I assume you have done already and therefore created your wifi network already? Once changed to AP mode same wifi network will...

@kb867 you could do that yes, however there are a number of factors that could affect the wifi backhaul speeds between the Deco units, IE: interference, distance etc.... this will ultimately...

@MJShepherd cool glad to hear that! Enjoy.

@kb867 Correct as the ethernet ports in the E4 are 100mbps max, M5 and M9 plus have gigabit ports.

@kb867 Deco E4 Ethernet ports are limited to 100mbps so what you are getting (80) seems about right for your setup. You might need to consider upgrading main deco/all Decos to at least Deco M5 or...