Once plugged in and connected to your computer via the network cable provides, you can configure your repeater with the network of your box.
Remember to change the user name and password do not you hack your network because if some one manage to connect to your repeater he can see your network in the clear key.
That being said I wonder if hackers spend their time scan invisible IP addresses via wifi ....
Brief always connected you can also dye the status lights to avoid disturbing you at night.
More of shadow area thanks to this device at home, I stole mobility.