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1. Ubuntu -- Details of package rt73-common in lucid
RT73(RT2571W) Wireless Lan Linux Driver - common files
http://packages.ubuntu.com/lucid/rt73-common
2. Sweex RT2571WF - YobiWiki
I saw there was a rt73-common package featuring update-rt73-firmware so I tried and ran the util, it fetched a firmware and installed it but it seems that when the stick is ...
http://wiki.yobi.be/wiki/Sweex_RT2571WF
3. Ubuntu -- Details of package linux-wlan-ng-firmware in hardy
rt73-common; linux-wlan-ng; linux-firmware-nonfree; linux-wlan-ng-source; linux-wlan-ng-doc ... The package currently supports the Intersil 802.11b Prism2, Prism2.5, and Prism3 ...
http://packages.ubuntu.com/hardy/admin/linux-wlan-ng-firmware