D-Link AirPremier N DAP- 2590 User Manual page 16

DAP-590 User's Manual Using the Configuration Menu
Channel: All devices on the network must share the same channel. To change
the channel, first toggle the Auto Channel Selection setting to
Disable, and then use the pull-down menu to make the desired
selection. (Note: The wireless adapters will automatically scan and
match the wireless settings.)
Channel Width:
Allows you to select the channel width you would like to operate in.
Select 20 MHz if you are not using any 802.11n wireless clients. Auto
20/40 MHz allows you to both 802.11n and non-802.11n wireless
devices on your network.
Authentication:
Use the pull-down menu to choose Open System, Shared Key,
WPA-Personal, or WPA-Enterprise.
Select Open System to communicate the key across the
network.
Select Shared Key to limit communication to only those devices
that share the same WEP settings. If multi-SSID is enabled, this
option is not available.
Select WPA-Personal to secure your network using a password and
dynamic key changes. No RADIUS server is required.
Select WPA-Enterprise to secure your network with the inclusion
of a RADIUS server.
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D-Link AirPremier N Dual Band PoE Access Point