The D-Link DWA-643 Xtreme NTM ExpressCard Notebook Adapter whew that was a mouthful) will operate in the 2.4GHz frequency and will have throughput of up to 300 Mbps and a data rate of 11Mbps. It promises high speed connection which comes handy in sharing photos, files, music, video, printers, and storage. However the device is only compatible with Windows OS and the notebook should also have a 64-bit ExpressCardTM slot.
Read more here (MobileWhack)
