RATE

Selects the modulation and coding rate used for the DATA field.

Reading a capture

Not a linear scale, and deliberately not ordered by speed — the encodings were chosen for Hamming distance, so a single bit error is unlikely to turn one valid rate into another.

Values

Value	Meaning
1101	6 Mb/s
1111	9 Mb/s
0101	12 Mb/s
0111	18 Mb/s
1001	24 Mb/s
1011	36 Mb/s
0001	48 Mb/s
0011	54 Mb/s

Bit values written b0 first, matching transmission order.

Where it sits

non-HT PPDU > SIGNAL field > RATE

• Open in the explorer — Ack
• Open in the explorer — TCP over IPv4, in a protected QoS Data frame, aggregated
• Open in the explorer — Association Request
• Open in the explorer — Association Response
• Open in the explorer — Beacon
• Open in the explorer — Compressed Block Ack
• Open in the explorer — CTS
• Open in the explorer — Four-way handshake message 1
• Open in the explorer — Four-way handshake message 2
• Open in the explorer — Four-way handshake message 3
• Open in the explorer — Four-way handshake message 4
• Open in the explorer — Probe Request
• Open in the explorer — Probe Response
• Open in the explorer — ARP request in a QoS Data frame
• Open in the explorer — ICMP echo over IPv4, in a QoS Data frame
• Open in the explorer — UDP over IPv6, in a QoS Data frame
• Open in the explorer — TCP over IPv4, in a protected QoS Data frame
• Open in the explorer — TCP over IPv4, in an open QoS Data frame
• Open in the explorer — UDP over IPv4, in a QoS Data frame
• Open in the explorer — RTS
• Open in the explorer — Trigger frame

Accuracy

Clause

802.11-2024 §17.3.4.2

Verified

Not verified against the standard. Treat this as a claim, not a fact.