KeyID

Encryption 2 bits CCMP-128 protection unverified

Which of the four key slots was used. Non-zero values indicate a group key.

Where it sits

Protected Frame Body > CCMP Header > Key ID octet > KeyID

Accuracy

Clause
802.11-2024 §12.5.3.2
Verified
Not verified against the standard. Treat this as a claim, not a fact.