D-Link DWR-961 User Manual page 19

Section 4 - Configuration
Enter a Wireless Network Name (SSID), then click Next to continue.
Choose the best security level supported by your wireless clients. Click Next to
continue.
Unless you chose None in the previous step, enter a security password. Clients must
enter this password to connect to your wireless network. Click Next to continue.
D-Link DWR-9 User Manual 21