Tp linkrsquos 450mbps wireless n dual band pci express adapter tl wdn4800 allows you to connect a desktop computer to a wireless network and access a high speed wireless network connection complying with ieee 80211abgn the device can use the 24ghz or 5ghz channels and provide wireless speeds of up to 450mbps which is ideal for users seeking a highly robust bandwidth intensive wireless networking experience particularly with hd video streaming and online gamingdual band is the latest