D-Link DSL-3782 User Manual page 45

Section 4 - Configuration
2.4 GHz Channel Channel Width is available if you select Mixed 11N/G/B, 11N/G, or
Width:
11N for 802.11 Mode. Select 20/40 if you are using both 802.11n
and non-802.11n devices, or select 20 MHz if you want to disable 40
MHz bandwidth communication. The recommended setting is 20/40.
Extension If 20/40 2.4 GHz Channel Width is selected, Autochannel disabled,
Channel:
and Channels 5 to 7 are selected, you may select either Below the
control channel or Above the control channel, otherwise this value
is automatically configured.
5 GHz 802.11 Select the desired wireless networking standard(s) to use. The
Mode: available options are 11A Only, 11A/N Mixed Mode, Mixed 11AC/
N/A, or Mixed 11AC/N.
Select the desired channel width. The available options are 20 MHz,
5 GHz Channel
Width: 20/40 MHz, or 20/40/80 MHz. Depending upon the selected 5 GHz
802.11 Mode, some options may be unavailable.
Short Guard Enable or disable short guard interval. Short Guard Interval may
Interval:
increase wireless transmission speeds.
Channel: Select the desired channel for your wireless network to use. This
option is only available if Auto Channel is disabled.
Auto Channel:
Enable or disable automatic wireless channel selection.
IEEE 802.11H
DFS and TPC settings are automatically enabled.
Support (5 GHz
only):
Preamble Type:
Enable or disable short preamble type.
D-Link DSL-3782 User Manual
Advanced Settings (continued)
41