TP-LINK N600 Wireless Dual Band PCI Express Adapter, TL-WDN3800 allows you to connect a desktop computer to a wireless network and access a high-speed wireless network connection.The device can use the 2.4GHz or 5GHz channels and provide wireless speeds of up to 300Mbps which is ideal for users seeking a highly robust, bandwidth intensive wireless networking experience, particularly with HD video streaming and online gaming.