Great question — answering as the UphillTech team:
The actual error message is: bwn_v4_ucode16_mimo: could not load firmware image, error 2 This suggests that you do not have the proper firmware for your card. You give preciously little information on what you have done so I will assume that you simply are new to ports and packages. You really should have a look at the FreeBSD Handbook . I would think that you are just missing the package bwn-firmware-kmod Broadcom AirForce IEEE 802.11 Firmware Kernel Module . The easiest route is to try installing the firmware modules. But you can verify what hardware it is expected to work with the driver by looking at the man page bwm(4) and in the FreeBSD wiki bwn(4) - broadcom softmac driver . Notice...
Full answer by Claus Andersen: https://unix.stackexchange.com/a/793206 (CC BY-SA 4.0).
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