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D-Link DSL-245GE User Manual
Section 4 - Configuration
20/40 MHz Co-
Exist (2.4GHz) :
Enable or disable the existence of both 20 MHz and 40 MHz channel
width. Keep it enabled to achieve the maximum operability of wireless
products using different standards in your environment. However,
it might prevent your 802.11n devices from reaching the maximum
performance.
5 GHz 802.11
Mode:
Select the desired wireless networking standard(s) to use. The
available options are
11A Only
,
Mixed 11A/N
,
Mixed 11AC/N/A,
and
Mixed11AC/N
.
5 GHz Channel
Width:
Channel Width is available if you selected
Mixed 11A/N, Mixed
11AC/N/A,
and
Mixed 11AC/N.
Select the desired channel width.
The available options are
20 MHz
,
20/40 MHz
, or
20/40/80 MHz
.
Using wider channel width can increase bandwidth, so if you have
802.11n and 802.11ac devices, choose
20/40/80 MHz
. However,
in a congested environment, the highest channel width is usually
not recommended since it leads to higher probability of clashing
channels. Depending on the selected 5 GHz 802.11 Mode, some
options may be unavailable.
Short Guard
Interval :
This option is available for 11N and 11AC wireless standard. This
increases data rate by lowering the guard interval to 400 ns. The
default is enabled.
Channel:
Select the desired channel for your wireless network to use. The
default is
Auto
(recommended).
Preamble Type:
This defines the length of the CRC block for communication between
the wireless router and the devices. Ensure that all your wireless
devices use the same type. Select
Enabled
to set it to short and
Disabled
to set it to long.
Advanced Settings (continued)
