@Marios_X Ideally you have one router, (which provides DHCP to your devices). The extra 5 DECOs would be "nodes". So on your diagram it would he preferred to replace the "router" with a DECO, then...

@AJ_box I honestly just use an extension cord, then if needed stick some Velcro tape to the AC adapter and plug end to attach to a wall if needed.

@David-TP I'm afraid I'm quite confused. I keep a close watch on the USA website for DECO BE95 updates because I have one unit that I got from splitting a 2 pack with a friend. I believe it is...

I actually saw one in my local Best Buy last Saturday. It's quite expensive at $299.99 but I don't think there's a better range extender on the market...

@AdnKhn The BE550 is BE9300 rated whereas the RE800BE is BE19000 rated, over double the throughput. Only down side is that it seems TP-Link refuses to step too far ahead of the competition and is...

@yo_adrian_eh Am I correct in understanding your ISP service is 50 Mbps down 10 Mbps up? And you have roughly 70 clients sharing this? (This might be the main source of your issue)...