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
: Even if you own the box, you must still pay for the DVR service subscription (approx. $10–$13/mo) and potentially a small monthly fee for the CableCARD. exist, they require a to decode Spectrum's encrypted signals