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Standards
802.11b first appeared in early 2000, it has a maximum data rate of 11 Mb/s and operates in the 2.4 GHz band. It has an operational range of 30 meters indoors.
802.11g first appeared in mid 2003, it has a maximum data rate of 54 Mb/s – 108Mb/s and operates in the 2.4 GHz band. It has an operational range of up to 100 meters indoors
802.11n is the latest wireless standard and as yet has yet to be ratified, release date is 2010. It is speculated that it will have a maximum data rate of up to 600 Mb/s and will operate in the 2.4 GHz and or 5.0 GHz band.
