To be able to enjoy TV content of paid satellite providers, you need a subscription with them. This will comes in a form of an official Smart Card. You put this card on your digital receiver box with the smart card reader feature and wallah! channels get descrambled. Now what if you could use this card to supply multiple digital satellite boxes?
Let`s say you live in the U.K and you are a fan of Sky UK channels. The broadcaster normal provides the service through satellite dishes or cables inside UK. Now what if you are on a job conference abroad and have no access to the satellite broadcasted content. How would you tune to the favorite show? This is possible only through IPTV.