Dell Wyse 5070 + Unraid Wifi problem

Hello!

I have a strange problem and don't know how much its due to Unraid

and how much its faulty hardware. I recently got a Dell Wyse 5070 for some homelab fun.

I've installed unraid and some docker containers: nginx, npm, freescout, nextcloud, vikunja, portainer, vaultwarden and maybe 2-3 more.

The thing is that when I plug the terminal to hx510 (the hx510 in connected to outdoor ne211 cause it's a SIM based mobile internet from Play operator) my wifi 2.4ghz goes down, all devices connected to it stop working. I cannot see it in the wifi list on my phone/laptop.

Wifi 5ghz works.

I can reboot/reset/factory reset the router or turn on/off the wifis but it does not help.

And I know its the unraid box because when I power it down the wifi magically appears again and works.

My router address is 192.168.88.1

Unraid is set to dhcp

For testing purposes I've stopped all docker containers but it didn't help. Got no vm yet.

Any clues what's going on? Is it a BIOS setting creating some kind of conflict? I cannot fathom how this is happening since the box is connected via wire not wifi.