Compare 11a, 11b, 11g and 11n to provide the differences between 11a, 11b, 11g and 11n, 802.11 standards

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Compare 11a, 11b, 11g and 11n to provide the differences between 11a, 11b, 11g and 11n, 802.11 standards [Copy link]

Compare 11a, 11b, 11g and 11n to provide the differences between 11a, 11b, 11g and 11n, 802.11 standards.

802.11a

Modulation scheme OFDM

Data rates 6, 9, 12, 18, 24, 36, 48, 54 Mbps

RF carrier 5GHz

Bandwidth 20MHz

Coverage distance (approximately) - 35m (indoor), 120m (outdoor)

802.11b

Modulation scheme DSSS/CCK

Data rates 1, 2, 5.5 and 11 Mbps

RF carrier 2.4Ghz

Coverage distance (approximately) - 38m (indoor), 140m (outdoor) For more information,

802.11g

Modulation schemes DSSS/CCK and OFDM

Support 11b and 11a

RF carrier data rate 2.4GHz

Bandwidth 20 MHz

Coverage distance (approximately) - 38m (indoor), 140m (outdoor)

802.11n

Modulation schemes OFDM and DSSS/CCK

It supports legacy fallback for 11a/11b/11g systems

Bandwidth 20MHz and 40MHz

Data Rate - As per 11a/11b/11g.

-It supports up to about 72Mbps with 20MHz bandwidth and multiple antennas

-It supports 40MHz bandwidth up to about 150Mbps and multiple antennas

Coverage distance (approximately) - 70m (indoor), 250m (outdoor)

MIMO configuration - most devices use 2T3R (2 transmit antennas and 3 receive antennas),

The maximum configuration is up to 4T4R.