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DIR-620S Wireless N300 Router with 3G/LTE Support and
USB Port
User Manual
Parameter
Autonegotiation
20/40 (Coexistence)
TX power
Drop multicast
Adaptivity mode
B/G protection
Short GI
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.
The transmit power (in percentage terms) of the router.
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 page.
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).
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.
•
Guard interval (in nanoseconds). This parameter defines the interval
between symbols transmitted when the router is communicating to
wireless devices.
Enable: The router uses the 400 ns short guard interval.
•
Only for the wireless network operating modes which
support 802.11n standard (see the value of the Wireless
mode drop-down list on the Wi-Fi / Basic Settings page).
Disable: The router uses the 800 ns standard guard interval.
•
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Configuring via Web-based Interface
Description
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