How to organize Wi-Fi at the exhibition stand with a one-time presence of 350 visitors with a one-time password generator?

Question

WiFi

Friends, and who was engaged in similar things?
Given: an exhibition, a large stand, a lecture hall adjoins the stand. There will be 300 people in the lecture hall area, another 50 will walk along the perimeter of the stand. The area is 600 sq. m. Task: to distribute a 100 Mbps Wi-Fi channel between the guests, limiting the radiation radius of points within the booth area.
The idea is there, with the implementation - not so much yet.
So, idea. By default, the speed is distributed dynamically between clients, torrents are cut and the speed per device decreases when the threshold of 30 MB is reached, say, in 10 seconds. Each visitor of the exhibition is given a one-time password on the ticket.
Implementation questions:
1) Are there ready-made complex solutions in nature? Router with billing and POE plus suction points for 350 people? Or is 10 UniFi around the perimeter the right solution?
2) How to implement a system for issuing tickets with one-time passwords?
3) A router with 4G fail over support, cutting off torrents and managed ports with PoE - is this a reality?

Answer 1

For such a number of snouts, the router will turn out golden for you if you want to drag everything through one.
1) The solution here is most likely a central router + a bunch of ARs around the perimeter. There are ready-made complexes, based on Ubiquiti, though they require a separate machine with Windows (the controller software is installed) to create and manage the hotzone, it works for a solid three. There are also switches with PoE on all ports, usually they are installed for CCTV cameras - google it. The second option is mikrotik in the head, again a lot of AP from it, a separate server with captive portal control (it seems there is a built-in firmware, but I'm not sure). Well, the third option, as for me the most hemorrhoid-free - in the head is a miniserver with pfSense on board, all the logic is already there out of the box and the generation of one-time cards both in terms of access time and other parameters, again we hook the AR around the perimeter to the server, we spread the channels so that they do not intersect, the power of the points is at a minimum, a single ssid.
2) They printed a bunch of papers and cut them, from each piece of paper you can activate only one device (binding by poppy), whoever needs a few take several pieces of paper. Activity time limits are there. The system for generating all this happiness is in pfSense
3) Most likely not, I don’t know routers that give out PoE to many ports, I know for one or a pair, here you most likely need a managed switch with PoE Out + router, you will definitely find this. Switching to a reserve from the proposed options is able out of the box and mikrotik and pfSense. The biggest hemorrhoids are cutting off torrents, tk. do not pull the analysis on L7, the solution is straight-forward, to prohibit everything except 80,443,53 (plus what else you need) ports. Choose.

Answer 2

you need 10 access points for such a number of people if you need a sane Internet