Edimax OAP1300 User Manual page 23

Configuring Security Settings of 2.4GHz wireless network
1.
Go to "Wireless Settings" > "2.4GHz 11bgn" > "Security".
2.
Select an "Authentication Method", enter or select fields where
appropriate, and click "Apply".
If multiple SSIDs are used, specify which SSID to configure using the
"SSID" drop down menu.
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