Rosewill RNX-N150UBE USB 2.0 Wireless Adapter for $9.99 Shipped

Rosewill RNX-N150UBE USB 2.0 Wireless Adapter for $9.99 shipped.  Here is a screenshot for your reference.  It features wireless 802.11b/g/n Draft 2.0 with up to 150Mbps data transfer rate, and a detachable external antenna.