802.11b

An extension to 802.11 that applies to wirelessLANs and provides 11 Mbps transmission (with a fallback to 5.5, 2, and 1 Mbps) in the 2.4 GHz band. 802.11b is a 1999 ratification to the original 802.11 standard, allowing wireless functionality comparable to Ethernet. Also called Wi-Fi.