Wifi frequencies
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Channels for IEEE 802.11b/g
| Channel Identifier | Frequency (MHz) | Americas (-A) | EMEA (-E) | Japan (-J) | Rest of World (-W) |
|---|---|---|---|---|---|
| 1 | 2412 | X | X | X | X |
| 2 | 2417 | X | X | X | X |
| 3 | 2422 | X | X | X | X |
| 4 | 2427 | X | X | X | X |
| 5 | 2432 | X | X | X | X |
| 6 | 2437 | X | X | X | X |
| 7 | 2442 | X | X | X | X |
| 8 | 2447 | X | X | X | X |
| 9 | 2452 | X | X | X | X |
| 10 | 2457 | X | X | X | X |
| 11 | 2462 | X | X | X | X |
| 12 | 2467 | - | X | X | X |
| 13 | 2472 | - | X | X | X |
| 14 | 2484 | - | - | X | - |
Notes
Mexico is included in the Rest of World regulatory domain; however, channels 1 through 8 are for indoor use only while channels 9 through 11 can be used indoors and outdoors. Users are responsible for ensuring that the channel set configuration is in compliance with the regulatory standards of Mexico.
In Japan, channel 14 is not supported for 802.11g mode.
Channel Deployment Issues for 2.4-GHz 802.11 WLANs
Channels for IEEE 802.11a
| Channel Identifier | Frequency (MHz) | Americas (-A) | Japan (-J) | Singapore (-S) | Taiwan (-T) |
|---|---|---|---|---|---|
| 34 | 5170 | — | X | — | — |
| 36 | 5180 | X | — | X | — |
| 38 | 5190 | — | X | — | — |
| 40 | 5200 | X | — | X | — |
| 42 | 5210 | — | X | — | — |
| 44 | 5220 | X | — | X | — |
| 46 | 5230 | — | X | — | — |
| 48 | 5240 | X | — | X | — |
| 52 | 5260 | X | — | — | X |
| 56 | 5280 | X | — | — | X |
| 60 | 5300 | X | — | — | X |
| 64 | 5320 | X | — | — | X |
| 149 | 5745 | — | — | — | — |
| 153 | 5765 | — | — | — | — |
| 157 | 5785 | — | — | — | — |
| 161 | 5805 | — | — | — | — |
Notes
All channel sets are restricted to indoor usage except the Americas (-A), which allows for indoor and outdoor use on channels 52 through 64 in the United States.