Why do some set top boxes require smart cards while others don’t?

February 2, 2014
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Why does the set top box provided by cable operators in India require a smart card containing chip while those provided by doordarshan i.e DD Direct don`t require any such smart card.

  1. Susendeep D
    February 16, 2014 at 4:27 pm

    Usually,a smart card is required for decrypting the encrypted signals that pay channels use to protect their content from being stolen or tapped by any other.But since,DD provides free to air(FTA) channel,hence,might be its STBs(set top box) doesn't have those cards.

  2. Hovsep A
    February 5, 2014 at 12:42 pm

    perhaps the provider signed some kind of contract so that smart card to be used for a certain period of time or all the time