D-Link DIR-842 User Manual page 135

DIR-842 AC1200 Wave 2 MU-MIMO Wi-Fi EasyMesh Gigabit
Router
User Manual
The following fields are available on the page:
Parameter
Bandwidth
Autonegotiation
20/40 (Coexistence)
TX power
Enable DFS
The channel bandwidth for 802.11n standard in the 2.4GHz band
(the 2.4 GHz tab).
20 MHz: 802.11n clients operate at 20MHz channels.
•
20/40 MHz: 802.11n clients operate at 20MHz or 40MHz
•
channels.
Auto: The router automatically chooses the most suitable
•
channel bandwidth for 802.11n clients.
The channel bandwidth for 802.11n and 802.11ac standards in 5GHz
band (the 5 GHz tab).
20 MHz: 802.11n and 802.11ac clients operate at 20MHz
•
channels.
20/40 MHz: 802.11n and 802.11ac clients operate at 20MHz
•
or 40MHz channels.
20/40/80 MHz: 802.11ac clients operate at 20MHz, 40MHz,
•
or 80MHz channels.
Auto: The router automatically chooses the most suitable
•
channel bandwidth for 802.11n and 802.11ac clients.
Available on the 2.4 GHz tab.
Move the switch to the right to let the router to automatically choose
the most suitable channel bandwidth (20MHz or 40MHz) for the
connected devices (this setting can substantially lower the data
transfer rate of your wireless network). The switch is displayed when
the 20/40 MHz or Auto value is selected from the Bandwidth
drop-down list.
The transmit power (in percentage terms) of the router.
Available on the 5 GHz tab.
Move the switch to the right to enable the DFS (Dynamic Frequency
Selection) mechanism. Upon that the router uses the channels at
which radars and other mobile or stationary radio systems can
operate, but switches to other channels if these devices require this.
In order to use the DFS mechanism, the automatic channel selection
should be enabled (on the Wi-Fi / Basic Settings page).
Move the switch to the left not to let the router use the channels at
which radars and other mobile or stationary radio systems can
operate.
Page 135 of 233
Configuring via Web-based Interface
Description