The Hopper and Joey system, replaces existing equipment. In other words, older receivers hooked up, will need to be de-activated before Joey and Hopper can be activated. * Dish Network Hopper Receiver * With 3 tuners, you can watch or record up to 3 live HD programs at once- from any TV connected to your whole-home network. * This 2 Terabyte HD DVR has 3 satellite tuners and provides full DVR functionality to the other TVs in your home through thin-client receivers called Joeys (sold seperately) giving you a Whole- Home DVR network. * The Hopper also features a massive 2 Terabyte hard drive that gives you over 250 hours of HD DVR recording and hundreds of On Demand titles for instant viewing. * When PrimeTime AnytimeTM is enabled, you can record all the big 4 networks in HD (ABC, CBS, NBC and FOX) during primetime on a single tuner, giving you the ability to record up to 6 programs during primetime hours in your area.