Bandwidth is defined to be the maximum amount of data transferred via an internet connection within a given time. The most common misconception associated with bandwidth is that it is often considered to be the speed indicator of Wi-Fi. However, it’s the amount of information that can be sent over an internet connection.
The best Wi-Fi bandwidth for 2.4 GHz is 20 MHz. The 2.4Ghz networks have two categories— 20MHz (the general bandwidth) and 40MHz (double of the original).
It is highly recommended to prefer choosing 20MHz-wide channels because the use of a 40MHz channel can lead to overlap with other channels and cause a major decline in performance.
On the contrary, a 5GHz network will benefit from 40MHz channels due to a boosted performance pattern.
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