These are the files required to use the aircard555 1xRTT card with Linux.

Choose <type> as either laptop or ipaq depending on where you are using your card.

 cp aircard555.<type>.cis /etc/pcmcia/cis/aircard555.cis 
 cp aircard555.<type>.dat /etc/pcmcia/cis/aircard555.dat 

 cp aircard555.conf /etc/pcmcia

 cp ppp-aircard555 /usr/local/bin

Edit ppp-aircard555, substituting your card's phone number for 6175551212.