D-Link DWS-4000 Series Cli Command Reference page 283

dot11n channel-bandwidth
This command selects the bandwidth used in the channel when operating in 802.11n mode.
Default 40 MHz
Format
dot11n channel-bandwidth {20 | 40}
Mode AP Profile Radio Config
Parameter Description
20 The Radio operates in 20 MHz bandwidth.
40 The Radio operates in 40 MHz bandwidth.
no dot11n channel-bandwidth
The no version of this command sets the bandwidth used to default in the channel when operating in 802.11n mode.
Format
no dot11n channel-bandwidth
Mode AP Profile Radio Config
dot11n primary-channel
This command selects the bandwidth used in the channel when operating in 802.11n mode.
Default lower
Format
dot11n primary-channel {lower | upper}
Mode AP Profile Radio Config
Parameter Description
lower The relative location of the primary channel is on the lower side in the 40 MHz channel.
upper The relative location of the primary channel is on the upper side in the 40 MHz channel.
no dot11n primary-channel
The no version of this command sets the bandwidth used to the default in the channel when operating in 802.11n mode.
Format
no dot11n primary-channel
Mode AP Profile Radio Config
protection
This command selects the protection mode to use when operating in 802.11n mode. When the protection mode is enabled,
AP and stations ensure transmission is protected if there are legacy stations using the same radio frequency.
Access Point Profile RF Commands
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