From LQWiki

Installing the Intel PRO/Wireless 3945ABG WLAN card

SUSE 10.2

yast2 -i ipw3945d
yast2 -i ipw-firmware

Use Yast2 to configure your network card. Use iwlist to verify your WLAN card has been properly set up.

Generic description

See http://ipw3945.sourceforge.net/