CT-DDC Digital off air downconverter for use with the CT-DUC digital upconverter. Allows for the conversion of a digital off air channel and all of its sideband channels to be converted to a new frequency. The output can be either QAM or ATSC. Spec Sheet CT-DUC Digital off air upconverter for use with the CT-DDC digital downconverter. Allows for the conversion of a digital off air channel and all of its sideband channels to be converted to a new frequency. The output can be either QAM or ATSC. Spec Sheet CT-MCQD Micro style digital off air demodulator, takes digital off air in and provides composite video out, requires 1 micro chassis space Spec Sheet Intalation Manual