D-Link WA171B1 User Manual page 40

Section 5 - Wireless Security
3. Enter the same security key or passphrase that is on your router and click Connect.
It may take 20-30 seconds to connect to the wireless network. If the connection fails,
please verify that the security settings are correct. The key or passphrase must be
exactly the same as on the wireless router.
D-Link DWA-171 User Manual 40