300Mbps Wireless N USB Adapter Model BL WN2210is a mini USB wireless network adapter that uses 11n technology,and is compatible with IEEE802.11 b/g/n standards. It can communicate with other wireless devices which meet those standards. It supports 64/128-bit WEP encryptions, as well as WPA, WPA2, and WPA- PSK, WPA2-PSK encryptions.This product has two smart, built-in antennas, the signals can be multiplexed.. Its wireless transmission rate can be up to 300Mbps,compared with the traditional 54Mbps adapter and 150 Mbps networking cards,it has a higher baud rate. So, data transmissions are more efficient. In addition, it reduces delays in wireless networks and it makes voice, video, and online games play smoothly.