Feature:1. Wi-Fi Booster Antenna boosts Wi-Fi Signals from up to 300m away so that you can get your Wi-Fi Signals for your computer or laptop at up to a distance of about 300m from the signal source2. Great for offices, stores, warehouses, restaurants, and other places3. Works indoors or outdoors, and is a best home WiFi signal extender, so that you wifi signals reach further from the source in your home4. USB powered, works from your computer powerSpecifications:Transmission Rate: 150MbpsCoverage: Up to 2500mInterface Type: USBSupported Wireless Protocols: Wi-Fi 802.11b, Wi-Fi 802.11g, Wi-Fi 802.11nFrequency: 2.4GHzSupport System: Windows XP or VISTA or Windows 7Size: Approx. 26x10x2.1cm or 10.24x3.94x0.83