To effectively use this, you need devices at each TV that are attached to your network. Devices include AndroidTV boxes, FireTV, or AppleTV. I have AndroidTV boxes at each TV, and the picture is crystal clear on each channel. Best Buy sells the Nvidea ShieldTV which is awesome from a hardware perspective, and I have one, but I've had just as good luck or better with the Xaiomi Mi Box S from Walmart, at about 1/3 of the price. I have a ShieldTV and four of the Mix Box S's in my house.