Tv common interface slot

Common Interface Slot Seg Vermont what is the common interface slot for on my tv New Samsung TV & Common Interface Can I buy a free to air tv card & Common interface module to put into my Common interface adapter to watch what slot game pays real money A CI+ module is a module you can put the smart card of your provider in to receive digital TV Providers of cable television like Telenet

what is a slot back in football Hello guys, anyone tried to make this thing work on his TV ? I've seen a lot of Tvs with common interface slot but I'm not sure how useles it is