IEEE Standard
Frequency/Medium
Speed
Topology
Transmission Range
Access Method
802.11
2.4GHz RF
1 to 2Mbps
Ad hoc/infrastructure
20 feet indoors.
CSMA/CA
802.11a
5GHz
Up to 54Mbps
Ad hoc/infrastructure
25 to 75 feet indoors; range can be affected by building materials.
CSMA/CA
802.11b
2.4GHz
Up to 11Mbps
Ad hoc/infrastructure
Up to 150 feet indoors; range can be affected by building materials.
CSMA/CA
802.11g
2.4GHz
Up to 54Mbps
Ad hoc/infrastructure
Up to 150 feet indoors; range can be affected by building materials.
CSMA/CA
802.11n
2.4GHz/5GHz
Up to 600Mbps
Ad hoc/infrastructure
175+ feet indoors; range can be affected by building materials.
CSMA/CA
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