Beacon Explorer — Complete 802.11 Beacon Frame Reference
Every 802.11 beacon contains dozens of Information Elements describing the AP's capabilities, security, and configuration. Explore all 100 elements — from Fixed Fields through Wi-Fi 7 EHT — with spec-verified clause references from IEEE 802.11-2024.
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Beacon Explorer
Complete 802.11 Beacon Frame Reference · Legacy through Wi-Fi 7 · v1.1
Fixed Fields
Base 802.11
802.11n (HT)
802.11ac (VHT)
802.11ax (HE)
802.11be (EHT)
Mesh/Other
802.11 Beacon MMPDU Structure
Frame Control2B
Duration/AID2B
Address 1 (DA)FF:FF:FF:FF:FF:FF · 6B
Address 2 (SA/BSSID)AP MAC · 6B
Address 3 (BSSID)AP MAC · 6B
Seq Control2B
Fixed Info FieldsTS + Interval + Cap · 12B
Information Elements (IEs)Variable length · EID | Len | Data
FCS4B
Fixed Fields & Row 1 — Elements 1–35
Row 2 — Elements 36–67
Row 3 — Elements 68–Last (802.11ax / Wi-Fi 6)
Row 4 — 802.11be (EHT / Wi-Fi 7)
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