D-Link DIR-827 User Manual page 21

Section 3 - Configuration
If you selected DHCP Connection, make sure that you are
connected to the D-Link router with the PC that was originally
connected to your broadband connection. Then, click the Clone
MAC button to copy your computer's MAC address.
Click Next to continue.
Enter a name of your wireless network (SSID) using up to 32
characters.
It is highly recommended that you have a security key for your
network. If you would like the router to automatically assign a
security key, choose Automatically assign a network key or you
may choose Manually assign a network key and you may enter
your own Network key.
Click Next to continue.
D-Link DIR-827 User Manual 16