Meritline offers the Airlink101 802.11n Wireless Mini USB 2.0 Adapter, model no. AWLL6075, for $12.99. Coupon code "MLCK111XNL1" cuts it to $9.99. With free shipping, that's the lowest total price we could find by $4, although it was slightly less during Black Friday week. It's compatible with PCs and Intel-based Macs and features a maximum data transfer rate of 300Mbps and WEP, WPA2, and WPA-PSK encryption. Coupon expires after 500 uses.