This USB Wlan Dongle fully supports IEEE 802.11n, providing up to 300Mbps high-speed wireless network connections. Equipped with RTL8192EU Chipset, both downlink and uplink can reach 300Mbps. USB2.0 port available, plug and play, no additional drivers needed. Supports Windows 2000/XP/Vista/Win7, Linux, and Mac OS 10.4/10.5/10.6. Specifications: Item Type: USB Wifi Adapter; Material: plastic+metal; Size: 32mmx16mmx8mm/1.2x0.6x0.3in; Color: as shown; Standard: IEEE 802.11n, IEEE802.11g, IEEE 802.11b; Interface: USB2.0; Operating frequency: 2.4-2.4835GHz; Security: 64/128 bit WEP/WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES); Antenna type: Internal Omni-directional Antenna; Operating temperature: 0-40°C; Quantity: 1 PC. Note: No retail package. Transition: 1cm=10mm=0.39inch. Please allow 0-1cm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x USB Wifi Adapter, 1 x CD-Driver (other accessories demo in the picture are not included!)