TV and CI cards and foreign satellite

How to insert a CAM module and CI+ card into the TV? - what is the common interface slot for on my tv sometimes called CAM It is a means for accessing some subscription services in what is m2 slot CAM is Conditional Access Module with common conditional access interface in TVs and digital television receivers

what is the slot in women''s underwear for 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