Unifi is just their name for this series of products that all work together with their (free) controller. So you buy an AP, a switch, a router, all from the Unifi line of products and they all get setup from a single controller and work together pretty effortlessly
I see, thanks. So basically a suite of networking hardware solutions? What I found the most confusing is that they sort of differentiate UniFi from WiFi. E.g. "Instant WiFi for retail POS" - yes, like any other WiFi router? Or is this box going to connect to a global mesh that's called UniFi?..
For the "Instant WIFI for retail POS" it could be describing a meshed wifi solution, where it then acts as a wireless backhaul and bridges to the LAN port you can connect to the POS system that doesn't have wifi built in.