Activate ? Do not activate? Learn more about DFS channels to make the right choice for your network

In order to better understand this mechanism, we will go through its history, its advantages and disadvantages so that we can better choose when configuring a Wi-Fi network for professional or domestic use.

A Meraki AP / Credits :

The regulation used as a basis for this article will be that of the European ETSI region.

The limits of the 2.4 GHz band

The 2.4 GHz band used with the popular 802.11b/g standards in the early 2000s quickly became limited, partly due to the limited number of channels, and partly due to the arrival of Bluetooth and consumer wireless devices such as home automation and many others.

Gabriel Toubeau

Network Engineer @Decathlon. CCNA certified & DevNet in progress

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