How many channels does 2.4G Wi-Fi have? How many channels are allowed in the EU, the USA, and China?
Last Updated on：2024-12-11 07:07:08
2.4GHz Wi-Fi band typically includes channels 1 to 14, each with a width of 20MHz. However, not all channels are available in every country or region. The availability of channels depends on local radio frequency regulations.
- EU: Channels 1 to 13 are usually allowed (a total of 13 channels).
- US: Channels 1 to 11 are allowed (a total of 11 channels).
- China: Channels 1 to 13 are allowed. It is noteworthy that channel 14 is standard only in Japan and is usually only usable in 802.11b mode.
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