Startech com pcie 802 11n 300mbps wireless network adaptor startech com pex300wn2x2 p the startech com pex300wn2x2 pci express wireless n card adds high speed wireless networking to almost any pci express enabled desktop workstation pc using a 2t2r 2 x transmitter 2 x receiver design at 2 4ghz this pcie wireless card provides up to 300mbps of throughput over an 802 11n network while improving signal reception and range p p this adaptor is backward compatible with 802 11b g networks