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

What does No CI Module and Scrambled mean in LG televisions? Also what does the PCMCIA

With this CI+ module, you can easily upgrade your TV or satellite receiver to receive HD+ Prerequisite: Your device has a free CI+ slot

city lottery To watch subscribed services from cable providers, you will need the following: A BRAVIA TV with a suitable CI or CI+ slot A

cidco navi mumbai lottery 2019 registration COMMON INTERFACE FOR SAMSUNG TV CI CARD ADAPTER Watch paid channels by inserting your TV viewing card into the COMMON INTERFACE slot Turn the TV off to