C. Crane Super USB WiFi Antenna 3 - Long Range 802.11 B G N Wireless (US3R)

The Super USB WiFi Antenna 3 plugs into the USB port of your computer for powerful long range WiFi reception. Internal WiFi is not required and installation is a snap. It can help you maintain a network connection of more than 300 feet even through several walls and as an added benefit you can typically find several new wireless networks. In our extreme distance tests we were able to connect to a network a mile away; with no obstructions.