By achieving networking speeds that are faster than standard 802.11g the High-Speed Mode (HSM) Wirless G Desktop Network Card provides increased "real world"" networking speeds. This means you will see overall speed improvements in ""mixed mode"" networking environments where other 802.11g devices may be present. High-Speed Mode offers even faster speeds in pure HSM networking environments. HSM technology is interoperable with all other wireless devices."The Belkin High-Speed Mode (HSM) Wireless G Desktop Network Card connects your desktop computer to your wireless network. With a Belkin High-Speed Mode Wireless G Router as the central connection point of your network your computers can share your high-speed Internet connection as well as files printers and hard drives.