VHT-MCS

PHY 4 bits VHT PPDU unverified

Modulation and coding index, 0 to 9.

Reading a capture

Four bits where HT used seven, because VHT stopped folding the stream count into the MCS number and signals it separately.

Where it sits

VHT PPDU > VHT-SIG-A > VHT-SIG-A2 > VHT-MCS

Accuracy

Clause
802.11-2024 §21.3.8.3.3
Verified
Not verified against the standard. Treat this as a claim, not a fact.