Comparison of 802.11 Standards
Table G-2 provides a comparison of the different characteristics of the 802.11a, 802.11b, and
802.11g standards.
802.11 Standards Comparison
Standard
RF
Spectrum
Max
Speed Compatibility
RF Interference
Impacts
Date
Ratified
802.11a
5 GHz 54 Mbps Does not work with
802.11b or 802.11g
Slight 1999
802.11b
2.4 GHz 11 Mbps Works with 802.11g Moderate 1999
802.11g
2.4 GHz 54 Mbps Works with 802.11b Moderate 2004