D-Link DHP-W307AV User Manual page 57

Section 3 - Configuration
5. Enter the same security key or passphrase that is on your access point and
click Connect. You can also connect by pushing the WPS button on the router.
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 DHP-W307AV User Manual 57