D-Link WA121B1 User Manual page 15

Section 3 - Connecting to a Wireless Network
To connect to the network, click Connect.
To automatically connect when your device is in range, click the Connect
Automatically check box. Your computer will now automatically connect to
this wireless network whenever it is detected.
You will then be prompted to enter the Wi-Fi password (network security key)
for the wireless network. Enter the password into the box and click Next to
connect to the network.
D-Link DWA-121 User Manual 15