The TP-LINK TL-WN781ND 150Mbps Wireless Lite N PCI Express Adapter allows you to connect a desktop computer to a wireless network and access high-speed Internet connection. Using Align 1-stream technology based on 802.11N technology, TL-WN781ND provides a better wireless signal than existing wireless 802.11g technology, up to 150Mbps. Now you can get a better Internet experience, such as downloading, gaming, video streaming and so on.