How to set up wifi router as a wifi client and attach to an access point?

[nme34]

I have one of the APU routers and am wanting to use it as a wifi client to attach to other external wifi access points. I've looked around and have not found anything. Can someone direct me to a tutorial?

[bartjsmit]

one of the APU routers

That's a bit vague  ;)

Does it run OPNsense? What WiFi hardware do you have - bearing in mind that FreeBSD isn't great with wireless

[nme34]

The router is a PC Engines APU4D4 running OPNsense. The wifi PCIe card is wle200nx.

[bartjsmit]

That's not on the list for FreeBSD 13.1 https://www.freebsd.org/releases/13.1R/hardware/