X-MEDIA NE-WN3212D 300Mbps High Power Wireless-N USB Network Adapter w/25dBi Antennas Data transfer rate up to 300Mbps Backward compatible with 802.11b/g products High power deliver superb performance and sustainable connectivity Equipped with 2*5dBi detachable antennas Support 64/128-bit WEP, WPA/WPA2 encryption