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It specifies bandwidth of the operating channel of a WiFi network. Change the default
settings only when necessary.
20: It indicates that the channel bandwidth of a router is 20 MHz.
40: It indicates that the channel bandwidth of a router is 40 MHz.
20/40: It specifies that a router can switch its channel bandwidth between 20
MHz and 40 MHz based on the ambient environment. This option is available only
to a router working at 2.4 GHz.
80: It indicates that the channel bandwidth of a router is 80 MHz. This option is
available only to a router working at 5 GHz.
20/40/80: It specifies that a router can switch its channel bandwidth among 20
MHz, 40 MHz, and 80 MHz based on the ambient environment. This option is
available only to a router working at 5 GHz.
6.4.2 Changing Channel
Assume that the channel at 2.4 GHz network is required to change to channel 11, and 5 GHz network to
channel 157.
Procedures:
1. To access the configuration page, click WiFi Settings > Channel & Bandwidth.
2. WiFi Channel: In the 2.4 GHz Network part, select Channel 11 from the drop-down list box of WiFi
Channel.
3. WiFi Channel: In the 5 GHz Network part, select Channel 157 from the drop-dwon list box of WiFi
Channel. ( If there is no special requirement about other parameters, retain the default settings.)
4. Click Save.