IF the driver supports the chipset...
AFAIK you need a wpa_supplicant.conf, and
entries in rc.conf.
...
Code:
sh /etc/rc.d/netif restart
you can grab multiple wpa_supplicant conf's (I had to try
about 50 variations), mostly from the forum at freebsd.org,
and after putting the appropriate two lines in rc.conf,
(Unsure of what they might be,) test each wpa_supplicant.conf
variation until one works (you can ping the access point or net)
running the CLI above (a connection may end with the lines,
"renewal in NNNN seconds" ...)
Took me about two weeks in all to test. I only had an hour or
a half hour per day...