What is the purpose of a Ci slot on a TV?

What is the purpose of a Ci slot on a TV? common interface slot The Keysight E7770A common interface unit provides a bidirectional intermediate frequency interface to the device under test by up- or common interface slot airtel Common Interface 5V Only · £ Est delivery dateEst delivery Thu, Jul 11 ; New Genuine Samsung Common Interface Card Adapter 3709-001791 CI 5V CAM SCAM1A · £

common interface slot airtel A suitable CAM This is a small metal adapter that slides into the CI slot on a digital TV set It typically

common slot Das Common Interface, auch als CI abgekürzt, ist eine Schnittstelle in DVB Geräten DVB Geräte dienen hauptsächlich der Übertragung digitaler Inhalte  SCAM1A COMMON INTERFACE Reduction for CI module of Samsung TV SCAM1A COMMON INTERFACE 5V ONLY SCAM1A COMMON INTERFACE SAMSUNG CI slot