March 2019
Beginner to intermediate
358 pages
7h 21m
English
Content preview from Hands-On Network Forensics
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The 802.11 standard
The 802.11 standards denote the family of specifications defined by the IEEE for wireless local area networks. The 802.11 standard describes an over-the-air interface between a client and a base station or between any two wireless clients. There are several standards in the 802.11 family, as shown in the following list:
- 802.11: 802.11 uses a 1-2 Mbps transmission rate using either frequency-hopping spread spectrum (FHSS) or direct-sequence spread spectrum (DSSS).
- 802.11a: The speed is increased from 1-2 Mbps to 54 Mbps in the 5 GHz band. Instead of using FHSS or DSSS, it uses an orthogonal frequency division multiplexing (OFDM) encoding.
- 802.11b: This has an 11 Mbps transmission in the 2.4 GHz band and uses only DSSS. ...
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