DIR-825 AC1200 Wave 2 MU-MIMO Wi-Fi Gigabit Router
with 3G/LTE Support and USB Port
User Manual
Configuring via Web-based Interface
Parameter Description
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).
Reduce power on
OFDM modulation
Available on the 5 GHz tab.
Move the switch to the right to lower service signals strength for
improving the quality of their transmission. Use the setting in case of
problems with connecting wireless clients to the router.
STBC
The STBC (Space-time block coding) technique allows increasing
data transfer reliability even for portable devices equipped with poor
antennas (smartphones, pads, etc.) due to using several data streams
and processing several versions or received data.
Move the switch to the right if you need to use the STBC technique.
B/G protection
Available on the 2.4 GHz tab.
The 802.11b and 802.11g protection function is used to minimize
collisions between devices of your wireless network.
Select a value from the drop-down list.
• Auto: The protection function is enabled and disabled
automatically depending on the state of the network (this
value is recommended if your wireless local area network
consists of both 802.11b and 802.11g devices).
• Always On: The protection function is always enabled (this
setting can substantially lower the efficiency of your wireless
network).
• Always Off: The protection function is always disabled.
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