Add high speed wireless n connectivity to a desktop pc through pci the pci300wn2x2 wireless n pci card adds high speed 80211n network connectivity to almost any pci enabled desktopworkstation pc using a 2t2r 2 transmitter2 receiver design over the 24ghz frequency the card supports 300mbps data bandwidth over an 80211n network while providing optimal signal reception and range the ideal wifi card for desktop pcs backward compatible with 80211bg networks 1154mbps this versat