How WiFi Works

Dive into the intricacies of WiFi technology in this 25-minute video from SparkFun Electronics' "According to Pete" series. Explore the low-level workings of 802.11 protocols, covering their historical development, various specifications (b, g, n), and associated data rates. Gain insights into modulation schemes, data formats, and frequency usage. Learn about the OSI Model, FCC Bands, the 802 Group, WiFi Alliance, and 802.11 Group. Understand concepts such as channel bandwidth, DSSS, OFDM, MIMO OFDM, and data frames. This comprehensive overview provides a crash course in the WiFi landscape, offering valuable knowledge for those interested in wireless networking technology.

Intro
The OSI Model
FCC Bands
The 802 Group
The WiFi Alliance
The 80211 Group
Other Frequency Groups
Channel Bandwidth
DSS
OFDM
MIMO OFDM
Modulation
Data Frames
Data Rates