| ACCOPI |
Access Control and Copyright Protection for Images |
| ACU |
Access Control Unit |
| ACTS |
Advanced Communications Technologies and Services |
| AGC |
Automatic Gain Control |
| ATM |
Asynchronous Transfer Mode |
| CA |
Control Access Module |
| CW |
Control Word |
| DBS |
Direct broadcast satellite |
| DES |
Data Encryption Standard |
| DSS |
Digital Satellite System |
| DVB |
Digital Video Broadcasting |
| ECM |
Entitlements Control Messages |
| ECM |
Hackers: Electronic Counter Measure |
| EMM |
Entitlements Management Messages |
| GI |
General Instrument |
| IRD |
Integrated Receiver Decoder |
| OFDM |
Orthogonal Frequency Division and Multiplexing |
| PRBS |
Pseudorandom Sequence Generator |
| RF |
Radio frequency |
| SCMS |
Serial Copy Management Systems |
| VC-I / II |
VideoCipher I /II |
