D-Link DAP-3712 User Manual page 24

Section 3 - Configuration
Radio Setting: In this section, users can set up basic and advanced
Wi-Fi and radio settings.
Basic Settings
Country Code: Use this to select the country where the DAP-3712
is installed.
Channel Width: Use this to change the AP's channel width. The
default is 80 MHz.
Frequency: Use this to specify the Wi-Fi channel to use, or
select Auto to determine this automatically.
Automatic If you select Auto in Frequency, you can decide
Channel List: which channels to operate here. The available
channels will depend on your country.
Transmit The device's output power. When the output
Power: power is increased, the signal distance and signal
strength will be improved.
D-Link DAP-3712 User Manual 24