Compact 802.11g 54Mbps Wireless USB Adapter
D-Link DWL-G122 is a real compact 802.11g/54 Mbps USB 2.0 wireless adapter that can enable your desktop PC or a non-wireless niotebook for wireless access without any tinkering.
The D-Link USB wireless adapter works at a peak speed of 54 Mbps, features 64/128-bit WEP/WPA security and provides a wireless signla range of upto 100 meters indoors and 400 meters outdoors. Weighs about 4.4 gms. Available from here for US$22.99. [Seems like a special pricing: Retail price is about $59.99]