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As a result, there is some overlapping.Įach channel overlaps with two or more other channels. There are 11 channels, and each one has 20 MHz available. When you use the 2.4GHz frequency band, all of the channels operate between the 24MHz frequencies (in some countries this range is lower). There are 3 non-overlapping channels on the 2.4GHz frequency band and 24 on the 5GHz frequency band. Since each channel on either frequency overlaps with the nearby channels, you can choose channels that are separated without any overlapping. The key is to use channels that do not overlap. It is important to understand the different channels because some channels are more commonly used and have more traffic and congestion than others.
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You want to use channels that have the least interference at the time. The 5GHz band has 24 non-overlapping channels available out of 45 total, however not all channels can be configured on devices. There are 11 total Wi-Fi channels in the 2.4GHz bandwidth (for North America) with 3 non-overlapping. Your Wi-Fi router and client devices will usually support both 2.4GHz and 5GHz frequency bands, and each one has a certain number of channels (frequency slots). Wi-Fi channels are smaller slots within the whole Wi-Fi frequency band range that can be used by your wireless network both to send and to receive data.
#How to check wifi channel in area how to
How to Find the Best Wi-Fi Channel to Use in Your Home.