It is a wireless set-top box that allows you to play UHD/4K content emitted on Movistar+. You can do this anywhere in your home, where you are TV, even far from the router, since the connection between them is wireless. On TV. UHD Smart Wifi decoder must be connected to TV via HDMI cable and power outlet. To connect it to the router, no cables are needed: if you have a Smart Wifi router connects directly via WiFi because both use the frequency of 5GHz. If you have a conventional router, which uses the frequency 2.4 GHz, connect it through a conventional Ethernet cable. Comes with remote control.