Good FreeBSD question — answering as the UphillTech team:
Have you taken a look at the manual page for bwn(4) 1 ? It mentions that bwn devices need firmware to be loaded. Installing firmware Firmware for those devices is available as a port called net/bwn-firmware-kmod . Due to license reasons, there is no binary package available for this port via pkg(8) , so it has to be installed from ports(7) by the user with something like: cd /usr/ports/net/bwn-firmware-kmod && make install Please refer to the Using the Ports Collection chapter of the FreeBSD Handbook for more details on how to work with ports. What if I do not have network connection on the...
Full answer by Mateusz Piotrowski: https://unix.stackexchange.com/a/595474 (CC BY-SA 4.0).
Need help with this? UphillTech.