What is a digital TV smart card?

[ Huaqiang Security Network News ]
With the development of technology, many smart products are starting to be launched, so what is a digital TV smart card? Maybe a lot of people still don't know, today Xiaobian is coming for you.
What is a digital TV smart card?
Digital TV smart card, also known as IC card, English name is "smartcard".
Digital TV smart cards are actually CPUs and memories with security features, with temporary or permanent data storage capabilities, enabling data encryption. The digital TV smart card stores the user's authorization, payment and other information, and becomes a legal ID card for the digital TV user.
After the digital TV user pays the corresponding fee, the CA (conditional access) system sends the program authorization information to the user terminal, and the authorization and payment information is stored in the IC card. After the set top box reads the authorization information on the IC card, the user You can receive your own digital TV program. In some ways, a smart card is equivalent to a charging card for watching digital TV. Digital TV uses smart IC card charging. Each set-top box is equipped with a smart card. At the same time of purchase, the user needs to pre-store a certain amount of money on the card, and then deduct the fee according to your consumption. When the cost is insufficient, the charge card can be used to recharge.
With the digital TV smart card, users can enjoy the intelligence that TV brings to us at any time, increase convenience for people and make life more and more colorful.

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