Wireless bandwidth/band selection

There are different wireless standards, and we need to know the limitations of each. The band selection is also known as the frequency:

Standard

Frequency

Speed

Remarks

802.11 a

5 GHz

54 Mbps

5 GHz channel bandwidth is 40 MHz

802.11 b

2.4 GHz

11 Mbps

2.4 GHz channel bandwidth is 20 MHz

802.11 g

2.4 GHz

54 Mbps

802.11 n

2.4 GHz/5Hz

150 Mbps

MIMO—multiple input multiple output and travels the furthest distance

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