Use MeritLine coupon code MLCK606QNL1
MeritLine has this Cisco Valet 802.11n Wireless USB Adapter for $17.99. Use the coupon code and the price drops to $10.99. It features a data transfer rate of 300Mbps, dual internal antennas, WEP, WPA, and WPA2 security, USB cable, and base. Shipping is free. Coupon expires after 200 uses.