Get from Amazon.com : http://www.amazon.com/gp/product/B00007FH2W?tag=hawaiianlegac-20
Cisco-Linksys WPC51AB Dual-Band Wireless A B Notebook Adapter
Operates with both the 5 GHz 80211a and 24 GHz 80211b standards
11 Mpbs data rate in 80211b Mode 54 Mbps in 80211a Mode
Enhanced security -- Up to 152-bit data encryption
Included Setup Wizard takes you through configuration step by step
Cardbus Interface for laptop use
