https://manpages.ubuntu.com/manpages/questing/man4/if_zyd.4freebsd.html
Ubuntu Manpage: zyd - ZyDAS ZD1211/ZD1211B USB IEEE 802.11b/g wireless network device
ZyDAS ZD1211/ZD1211B USB IEEE 802.11b/g wireless network device
https://help.ubuntu.com/community/WifiDocs/Driver/zydas_zd1211
WifiDocs/Driver/zydas_zd1211 - Community Help Wiki
community helpdriverwiki