Kinivo WID380 Wireless 300MBPS Enhanced USB Adapter - Supports Windows 8/ Windows 7/ Vista/XP Wireless speeds up to 300 Mbps with 802.11n and channel bonding. Includes 3 feet USB extension cable to allow for optimal positioning for wireless antennas Compatible with Windows 8.1, 8, 7. Compatible with all 802.11g/b/n 2.4GHz wireless networks Dual external 2dBi antennas enhance wireless signal strength and range WEP, WPA and WPA2 (TKIP+AES) encryption for security