802.11 PROTOCOL INTELLIGENCE
The 802.11
Protocol Library
Reference, tools, and visualizers for Wi-Fi engineers — from your first beacon frame to Wi-Fi 7 MLO.
Free. No login. No ads. Written by a Wi-Fi engineer with 15 years of 802.11 protocol analysis — field notes on every page.
17 reference pages
4 interactive tools
3 animated visualizers
40 quiz questions
8 crash course modules
// find your level
Beginner
New to Wi-Fi protocol analysis. Start here.
802.11 Crash Course
8 modules, RF to Wi-Fi 7
Amendment Timeline
Wi-Fi history, 1997–2024
Channel Reference
2.4 / 5 / 6 GHz channel plans
Frame Lab
Free PCAPs to practise with
Intermediate
Reading PCAPs, studying for CWNA/CWAP.
Wireshark Filters
30+ 802.11 filters with notes
MCS Calculator
Data rates with IEEE spec math
RSSI / SNR Reference
Min thresholds per MCS
Status & Reason Codes
Deauth and assoc failures
CWNA/CWAP Quiz
40 questions, all domains
Expert
Protocol deep dives, Wi-Fi 7, security analysis.
4-Way Handshake
Animated EAPOL visualizer
State Machine
802.11 three-state transitions
Beacon IE Decoder
Every IE in a beacon frame
Frame Control Decoder
Hex → all 16 bits decoded
Wi-Fi 7 Track
802.11be MLO, 320 MHz, EHT
// interactive tools
⚡
MCS Rate Calculator
Select standard, width, streams → instant data rate with full IEEE spec math
🔒
Handshake Visualizer
Watch WPA2/WPA3 EAPOL M1→M4 animate between AP and client in real time
🔄
State Machine
Click any state or transition — frames, failure points, Wireshark filters
🔬
Frame Control Decoder
Enter any hex FC value → decode all 16 bits instantly
// about this library
SK
Shankar K.
Wi-Fi engineer, 15 years · Irving, TX
Built from 15 years of 802.11 protocol analysis and daily Wi-Fi 7 gateway qualification. Every page has field notes from real deployments — not just what the spec says, but what it looks like in a PCAP.
// companion tool
WiFi Analyser
This library teaches you what to look for. WiFi Analyser finds it automatically — 212+ protocol checks, PCAP upload, free, browser-based.
✓EAPOL analysis
✓BSS Color collision
✓Rogue AP detection
✓MCS per frame
✓Retry analysis
✓RSN IE mismatch
// field notes — one email every two weeks
New pages, new PCAPs, Wi-Fi 7 observations
When Frame Lab launches and new reference pages go live, you'll hear first.
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