Deals your source for TV Cable Decoders, cable descramblers, and cable boxes. FAQ - Frequently Asked Questions 18.
Most cable companies scramble all premium channels.
Some cable companies, usually older systems, will filter some movie channels. Filtering and scrambling are totally different methods and one has absolutely nothing to do with the other. A descrambler descrambles a scrambled signal. When filtering is used, the signal is not scrambled - it is being filtered. This requires something different.