Specifications:1. Color: Black+White2. Total Length: Approx. 19.5cm\/7.68''3. Working Frequency: 2.4GHz4. Transmission Rate: 300Mbps5. Coverage: 300m6. Interface Type: USB7. Wireless protocol: 802.11 b\/g\/n8. System Support: WindowsXP、 WindowsVista、 Windows7、 Linux and so onFeatures:1. 300Mbps wireless transmission rate、 brings smooth video streaming and online-game experience2. It can be worked with laptops and PC desktop computers as well. No need to add a Rj45 cable between wireless router and computer again. Just plug and enjoy Internet easily3. A perfect solution for small office and home need4. Complies with IEEE 802.11n(draft)、 IEEE 802.11g、 IEEE 802.11b standards5. Matched with a detachable omni-directional antenna for stronger and more stable signal.6. Wireless Range: Indoors up to 100m、 Outdoors up to 300m without any holdbackPackage Included:1 x 300Mbps USB Wireless WiFi Adapter