Tenda AX3000 User Manual page 50

Parameter
Channel Bandwidth
Transmit Power
Description
It specifies the wireless channel bandwidth of the AP.
20 MHz: It indicates that the AP can use only 20 MHz channel bandwidth.

40 MHz: It indicates that the AP can use only 40 MHz channel bandwidth.

20/40 MHz: Only available for 2.4 GHz. It indicates that the AP automatically

adjusts its channel bandwidth to 20 MHz or 40 MHz according to the ambient
environment.
80 MHz: Only available for 5 GHz. It indicates that the AP can use only 80 MHz

channel bandwidth.
160 MHz: Only available for 5 GHz. It indicates that the AP can use only 160 MHz

channel bandwidth.
20/40/80/160 MHz: Only available for 5 GHz. It indicates that the AP automatically

adjusts its channel bandwidth to 20 MHz, 40 MHz, 80 MHz, or 160 MHz according
to the ambient environment.
It specifies the transmit power of the AP.
A higher value leads to wider WiFi coverage. However, decreasing the value properly
increases performance and security of the wireless network.
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