The Belkin High-Speed Mode (HSM) Wireless G Notebook Network Card connects your notebook 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.By achieving networking speeds that are faster than standard 802.11g, the High-Speed Mode (HSM) Wireless G Notebook Card provides increased real world networking speeds. 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.