Now after I reinstalled ubuntu and upgraded to gutsy which comes right now with a 2.6.22er kernel I tried to build the driver from source.
Read it here
A month ago I bought a TREKSTOR NDAS device. This devices promises on it's package to be linux compatible. So after I unpacked the hardware and everything was running in Windows I tried to install it in linux. Unfortunately the stock feisty debian package I found didn't work with my WLAN configuration.