Wireless "b" and "g" are both wireless networking technologies.

Wireless "g", officially known as 802.11g, was formerly known as 54g. "G" is compatible with "b", but is up to 5 times faster. "G" can also be utilized at wireless "hotspots" at airports and cáfes.

Wireless "b" (Wi-Fi), officially known as 802.11b, was the first widely used wireless standard. It is used at wireless "hotspots".

802.11g Wireless Networking -  The new 802.11g technology gives you the easiest way to set up a wireless network at home or in the office, without cables. It speeds info among your computers nearly five times faster than the current standard—at up to an incredible 54Mbps. Check out our 802.11g Gateway Router—a great solution for your first network, designed to work easily with an existing network in a mixed setup as well.

802.11b Wireless Networking -  802.11b wireless networking provides you with networking speeds of up to 11Mbps, over an easy-to-implement wireless standard. It delivers Internet-, file- and peripheral-sharing capability among all your connected computers. Offering a wide working range, interoperability with all Wi-Fi devices, compatibility in local hotspots, and interoperability with 54g networking products, 802.11b presents a comprehensive solution for all your networking needs.