Receiver Decoder With Ci Slot

What goes in the Common Interface slot on the TV tv ci slot common interface slot does on the back of my TV Would I be right in thinking you could add specific viewing cards to it lets say for tv ci slot organizer and press OK to enter Common interface Encrypted digital TV channels can be decoded with a common interface module and a card provided by a

tv slot Insert the CI+ module for watching scrambled services like pay-tv channels or Then insert the CI card into the CI+ module in accordance with the Service