311 has a smart card, its internal. Previous models below 311 has the external smart cards, but anything like 311,322,522,625 and 811 and other upcoming new receivers have internal smart cards. Dish Network is creating other methods of preventing to isolate the card hacks.... You pretty much have to keep fighting dish network when they send there hits.... So save yourself the trouble and subscribe but if you want to play... go play with directv...