D-Link Mini 3G 21 Mbps User Manual page 47

Section 5 - Connecting to a Wireless Network
3. The Wireless.Network.Connection box will appear. Enter the WPA-PSK
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-PSK settings are correct. The WPA-PSK
passphrase must be exactly the same as on the wireless router.
D-Link DWR-710 User Manual 43