Madshrimps posted a review on the TP-LINK N600 Wireless Dual Band USB Adapter

The TP-LINK N600 is an affordable dual band USB adapter, which offers decent performance, a quite good coverage and supports Wi-Fi Protected Setup. As a bundle the manufacturer also offers an USB extension cable and an easy to use software for the Windows operating system.

  TP-LINK N600 Wireless Dual Band USB Adapter (TL-WDN3200) Review