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D-Link DAP-±590 User Manual
Section ² - Configuration
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.
Select 
802.1X
if your network is using port-based Network Access Control.
Channel Width:
Authentication:
For more information about the different types of Authentication offered on the DAP-2590 and the respective settings 
of each, please go to the first page of the “Authentication” explanations, which begins on page 23.
Allows selection of the channel width you would like to operate in. 
20 MHz
and 
Auto 20/40 MHz
allow both 802.11n 
and non-802.11n wireless devices on your network when the wireless mode is Mixed 802.11 b/g/n in 2.4� and Mixed 
802.11 a/n in 5�. When the channel width is set to 
Auto 20/40 MHz
, then 802.11n wireless devices are allowed to 
transmit data using 40 MHz.