D-Link Wireless N Nano USB Adapter N300 DWA-131

It also works with 11g networks
Secure your wireless connection using advanced WPA™ or WPA2™ encryption
Easily connect and secure your network with Wi-Fi Protected Setup (WPS) Push Button
Slim design, compact in size for easier use when traveling or in a crowded workspace
Latest 11n wireless technology for better speed and range
Slim Design, Compact Size with Powerful 11N Technology
Connect a Desktop or Notebook PC to a Wireless Network