I found this text on a review of the Deco on the web at https://the-gadgeteer.com/2017/05/26/tp-link-deco-m5-wifi-system-review/ The text: Using this system requires you to set up a new network that,...

I'm shopping for the X60 and can't find any description of the differences in the different versions. I'm only concerned about functional, not cosmetic, differences. Thanks.