#/etc/network/interfaces
auto wlan0
wireless-key ABCDEFABCDEF
wireless-essid apx
iface wlan0 inet dhcp
auto wlan1
wireless-key ABCDEFABCDEF
wireless-essid apx
iface wlan1 inet static
address 10.1.1.10
netmask 255.255.255.0
gateway 10.1.1.1
Gnome:
System -> Administration -> Network