D-Link AC3200 Ultra User Manual page 207

Section 7 - Connecting a Wireless Client to your Router
Enter the same security key or passphrase (Wi-Fi password) 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 the one on the wireless router.
D-Link DIR-890L User Manual 202