What is the Samsung Smart TV CI module used for?

TV with built in satelite tuner which has a CI+ card slot that takes a CAM and smart card? Or is this CI card slot useless for this purpose

Například pro SCAM1A COMMON INTERFACE 5V ONLY SCAM1A COMMON INTERFACE Redukce pro CI modul TV Samsung 3709-001791 SAMSUNG CI slot adaptér

tv ci slot Úplne nový 64 pinový adaptér s názvom Modul Common Interface 5V má presné označenie 3709-001791 Záruka 2 roky CI slot slúži napr na zapojenie satelitu

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