RaLink RT2500 (rt2500pci)

# fix driver / config bug in Ubuntu Hardy (low bandwidth)
iwconfig wlan0 rate 54M

# run automaticly on startup
cat < /etc/rc.local
#!/bin/sh -e
iwconfig wlan0 rate 54M
exit 0
EOF

# Links
http://wiki.ubuntuusers.de/WLAN/Ralink