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Table 3 IEEE 802.11b channel coding at physical layer

From: Detection of jamming attacks in 802.11b wireless networks

Data rate Code length Modulation Modulation rate Symbol rate (Msps) Bits per symbol
1 Mbps 11-Barker DBPSK 11,000,000 1 1
2 Mbps 11-Barker DQPSK 11,000,000 1 2
5.5 Mbps 8-CCK DQPSK 11,000,000 1.375 4
11 Mbps 8-CCK DQPSK 11,000,000 1.375 8