Dvb
  • DVB-T transmitter
Dvbt_tx_scheme.svg
  • SEC(Satellite Equipment Control)
  • CI(Common Interface)
  • Some channels (especially pay channels) are encrypted. There's a standardized decryption hardware slot called "Common Interface" (CI) for the decryption hardware called "Conditional Access Module" (CAM), which usually also needs a smartcard for authorization and accounting.
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