Blogbeitrag: Caterpillar T20 (WLAN/debian)
Quelle: https://github.com/RPi-Distro/firmware-nonfree/blob/buster/brcm/brcmfmac43455-sdio.txt
Quelle: https://github.com/RPi-Distro/firmware-nonfree/blob/buster/brcm/brcmfmac43455-sdio.txt