Wi-Fi signal loss when connecting a large number of devices

Good afternoon. 6 month together with the provider we are suffering with loss of signal on wi-fi.

The essence: On the roof of the building is a media converter 16 port switch, which comes fiber-optic cable from the provider. Then comes the connection to a 1Gbit router (first was Tp-link Archer C2), now mirotik (according to the operator industrial). From this router 2 gigabit network cables are laid down and connected to additional 2 routers. That is, 3 routers = 3 networks passworded + 2 guest. All this goodness works like clockwork in normal time, but as soon as one day the hall is filled with people, it becomes impossible to connect via Wi-Fi with the main router (mikrotik). The provider recommended to supplement this composition with an additional antenna (in the form of a UFO). It costs about 2500 UAH, but the issue even with it was not solved. Wi-Fi as lost, and is lost. But the Internet itself on the cable works. Can you tell us the solution? Thank you in advance.

Answer

Good day. There are a lot of unclear points. Please clarify this information in the comments:

  1. What is the model of MikroTik router?
  2. How many clients approximately connect to wi-fi, after which there is a loss of wi-fi signal?
  3. Describe exactly how wi-fi is lost and why you can’t connect? What are the errors? Do devices stop seeing the network? What do you do to make everything work again?
  4. What frequency does the problem wi-fi network operate on?
  5. Is the wi-fi network of the two routers connected to MikroTik working normally?

I think it’s because the MikroTik just can’t handle the load. As far as I understand, it is created by a large number of Wi-Fi clients and two routers that are connected via cable.

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