Channels for 802.11b

802.11b applies to wireless LANs and provides 11 Mbps transmission (with a
fallback to 5.5, 2 and 1 Mbps depending on Range and Signal Strength) in the
2.4 GHz band. 802.11b uses only DSSS (Acronym for direct-sequence spread spectrum.
DSSS is one of two types of spread spectrum radio.) 802.11b was a 1999 IEEE
ratification to the original 802.11 standard.