D-Link DSL-X1852E User Manual page 58

Section 4 - Configuration
20/40 MHz Co- Enable or disable the existence of both 20 MHz and 40 MHz channel
Exist (2.4GHz) : width. Keep it enabled to achieve the maximum operability of wireless
products using different standards in your environment. However, it
might prevent your 802.11ax or 802.11n devices from reaching the
maximum performance.
5 GHz 802.11 Select the desired wireless networking standard(s) to use. The
Mode: available options are 11A Only, Mixed 11A/N, Mixed 11AC/N/A,
Mixed11AC/N, Mixed11AC/N/AX.
5 GHz Channel Channel Width is available if you selected Mixed 11A/N, Mixed
Width: 11AC/N/A, Mixed 11AC/N, and Mixed 11AC/N/AX. 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 802.11ax 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 This option is only available for 11N wireless standard. This increases
Interval :
data rate by lowering the guard interval to 400 ns.
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.
Schedule : Use the drop-down menu to select the time schedule for which the
wireless network will be available. The schedule may be set to Always,
or you can create your own schedules in the Schedule section. Refer
to Time & Schedule on page 83 for more information.
Click Save when you are done.
D-Link DSL-X1852E User Manual
Advanced Settings (continued)
52