TL-WDN4200 N900 Wireless Dual Band USB Adapter User Guide
2.If the network you would like to connect is encrypted, enter the same security key or passphrase that is on your Router. Or push the WPS/QSS button on the Router or access point (You will be prompted to push the button on the window if WPS function is supported as shown in the figure below). If the network to be connected is not secure, the connection will be built without entering a key.
Figure
3.You have now successfully connected to the network.
Figure
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