BenQ InstaShow S User Manual page 47

In the 2.4G Channel Width and 5G Channel Width fields you can configure the channel width
for your 2.4G and/or 5G Wi-Fi signal. The available options for 2.4G Channel Width are 20MHz
and 40MHz, while the available options for 5G Channel Width are 20MHz, 40MHz, and
80MHz. The default channel width for 2.4G Channel is 20MHz while the default channel width
for 5G Channel is 40MHz.
The supported wireless channels listed vary according to wireless regulations of the country/region which is listed
in the Wi-Fi Area field.
In 5G Mode, you can select the Wi-Fi standard for the 5G Wi-Fi signal. The available options are N
Only and AC Only. The default 5G Mode setting is N Only.
The Wi-Fi standard for the 2.4G Wi-Fi signal in the 2.4G Mode field is set to N Only and cannot be configured.
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