Wireless LAN Standards Comparison

 

802.11b

802.11g

802.11a

802.11n

IEEE Ratified

1999

2001

1999

2008

Frequency

2.4GHz

2.4GHz

5GHz

2.4GHz

5GHz

Non-overlapping Channels

3

3

12

3

12

Baseline Bandwidth Per Channel

11Mbps

54Mbps

54Mbps

65Mbps

65Mbps

Number of Spatial Streams

1

1

1

2, 3* or 4*

2, 3* or 4*

Channel Bonding

No

No

No

No

Yes

Max Bandwidth Per Channel

11Mbps

54Mbps

54Mbps

130Mbps

270Mbps