D-Link DWA-548 Manual page 37

Section 4 - Wireless Security
3. The Wireless Network Connection box will appear. Enter the WPA/
WPA2-Personal passphrase and click Connect.
It may take 20-30 seconds to connect to the wireless network. If the
connection fails, please verify that the WPA/WPA2-Personal settings are
correct. The WPA/WPA2-Personal passphrase must be exactly the same as
on the wireless router or access point.
D-Link DWA-548 User Manual 37