IEEE 802.11b-1999 Channels and Frequencies b 
 802.11 
 channel to frequency map

| Channel | Center_Frequency | Frequency_delta | Channel_Width | Overlaps_Channels |
|---|---|---|---|---|
| 1 | 2.412 GHz | 5 MHz | 2.401–2.423GHz | 2-5 |
| 2 | 2.417 GHz | 5 MHz | 2.406–2.428GHz | 1,3-6 |
| 3 | 2.422 GHz | 5 MHz | 2.411–2.433GHz | 1-2,4-7 |
| 4 | 2.427 GHz | 5 MHz | 2.416–2.438GHz | 1-3,5-8 |
| 5 | 2.432 GHz | 5 MHz | 2.421–2.443GHz | 1-4,6-9 |
| 6 | 2.437 GHz | 5 MHz | 2.426–2.448GHz | 2-5,7-10 |
| 7 | 2.442 GHz | 5 MHz | 2.431–2.453GHz | 3-6,8-11 |
| 8 | 2.447 GHz | 5 MHz | 2.436–2.458GHz | 4-7,9-12 |
| 9 | 2.452 GHz | 5 MHz | 2.441–2.463GHz | 5-8,10-13 |
| 10 | 2.457 GHz | 5 MHz | 2.446–2.468GHz | 6-9,11-13 |
| 11 | 2.462 GHz | 5 MHz | 2.451–2.473GHz | 7-10,12-13 |
| 12 | 2.467 GHz | 5 MHz | 2.456–2.478GHz | 8-11,13-14 |
| 13 | 2.472 GHz | 5 MHz | 2.461–2.483GHz | 9-12, 14 |