D-Link DIR-821 User Manual page 17

Section 3 - Getting Started
Step 6
You will be asked to configure your 2.4 GHz wireless network. Enter a
network name (SSID) of your choice, or leave it unchanged to accept the
default SSID.
Next, choose a Wi-Fi password of at least 8 characters. Any device trying
to connect to the router wirelessly will need to enter this password the
first time it connects.
Tap Next to configure your 5 GHz wireless network. When satisfied tap
Next to proceed.
Step 7
Enter the administrator password of your choice. Unlike the Wi-Fi
password, this password is only required when you need to configure
the router. See "Configuration" on page 19 for details of when this
password is used. Tap Next to proceed.
D-Link DIR-821 User Manual 13