This article shows how to use a Windows Mobile 5/6 device’s GPRS connecton with USB cable on Linux. The ‘conventional’ way is to use the /dev/ttyUSB device as a regular modem but since we are quite off the dial-up era we want to connect in a more modern way.
Microsoft provides a Remote NDIS stack, a derivative of the original USB communications device class CDC to connect usb devices. It can be used in linux with the rndis_host kernel module. To avoid patching your kernel there is a simple way to get an internet connection.
svn co https://synce.svn.sourceforge.net/svnroot/synce/trunk/usb-rndis-lite
cd usb-rndis-lite/
make
sudo ./clean.sh
sudo make install
Now just plug in the USB cable and connect your device to the network through the Network sharing menu. Voila 
