It was in 1997 when the Institute of Electrical and Electronics Engineers (IEEE) created the standard for wireless local area networks (WLANs).
The standard became known as IEEE802.11, with the 802.11 coming from the name of the group who oversaw its development. Under this standard are several protocols developed over the years.
Below is a list of them.
1. 802.11
– also known as the Legacy protocol, this is the original protocol created in 1997. It operates at 2.4 GHz and has a data rate of 1 and 2 Mbit/s. Its range was limited to 20 m and 100 m, in indoor and outdoor settings, respectively.
2. 802.11a
– was released in 1999. It operates at 5 GHz to move away from the 2.4 GHz operating frequency of the Legacy. Its range only offers a slight improvement from its predecessor with a range of 35 m indoors and 120 m outdoors. It is, however, fast with a data rate of 54 Mbit/s.
3. 802.11b
– also released in 1999. Just like the Legacy, it operates at 2.4 GHz. It has a slightly greater range than the 802.11a, but is slower. The b only has a data rate of 11 Mbit/s.
4. 802.11g
– marries the...
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