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Radiotap

Introduction | defined fields | suggested fields | rejected fields

Channel

Bit Number
3
Structure
u16 frequency, u16 flags
Required Alignment
2
Units
MHz, bitmap

Tx/Rx frequency in MHz, followed by flags.

Currently, the following flags are defined:

Mask Meaning
0x0010 Turbo Channel
0x0020 CCK channel
0x0040 OFDM channel
0x0080 2 GHz spectrum channel
0x0100 5 GHz spectrum channel
0x0200 Only passive scan allowed
0x0400 Dynamic CCK-OFDM channel
0x0800 GFSK channel (FHSS PHY)