Wireless LAN USB LevelOne WUA-0605 USB N_Max 300Mbps
[http://www.minipc.de/catalog/il/425]
  19.95 EUR
incl. 19% VAT, plus shipping


Thinkable perhaps for Datatransfer with your car-pc.
You need 2 adapters : 1x in the car, 1x in your homePC
Place your car in the garage and the transfer can start !

- Wireless LAN-USB-Adapter external
- Mini-Stick