exist, they require a to decode Spectrum's encrypted signals. Spectrum has begun phasing out support for these cards, and in many areas, they are no longer available for new customers. Challenges of Buying Your Own DVR
: Most personal DVRs cannot decode Spectrum's scrambled signals without a CableCARD. can i buy my own dvr for spectrum
Most customers now use one of these two official methods provided by the Spectrum DVR Service: Spectrum TV with DVR Frequently Asked Questions exist, they require a to decode Spectrum's encrypted signals