Feature:1. Wi-Fi Booster Antenna boosts Wi-Fi Signals from up to 2500m 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"Cable Length: Approx. 4.9m or 192.91"Notice: Objects may have Logo, if you want to know, please contact us. Otherwise, please do not bid.Note: It only have Chinese User Manual instead of English User Manual, If you mind, please do not bid. Thank youincludes:1 x WiFi Antenna Booster1 x Chinese User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.