DIR-815 AC1200 Wave 2 MU-MIMO Wi-Fi
Router with 3G/LTE Support and USB Port
User Manual
Configuring via Web-based Interface
The following fields are available on the page:
Parameter Description
Bandwidth
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.
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.
Autonegotiation
20/40 (Coexistence)
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 value is selected from the Bandwidth drop-down
list.
TX power
The transmit power (in percentage terms) of the router.
Drop multicast
Move the switch to the right to disable multicasting for the router's
WLAN. Move the switch to the left to enable multicasting from the
WAN connection selected on the Advanced / IGMP/MLD page.
Enable TX
Beamforming
TX Beamforming is the signal processing/directing technique which
helps to support a high enough transfer rate in the areas with difficult
conditions for the signal propagation.
Move the switch to the right to improve the signal quality.
Adaptivity mode
Move the switch to the right to let the router switch from the
channels at which radars and other mobile or stationary radio
systems operate in case it interferes with these devices. Such a
setting can slow down the router's WLAN.
In order to use the adaptivity mode, the automatic channel selection
should be enabled (on the Wi-Fi / Basic Settings page).
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