Advantage Single Channel Digital Modulator Catv/uhf Modulates video & left/right audio signals from VCR, satellite receiver, or security camera to UHF & CATV selected channels Compact design for easy installation | Supplied with AC/DC adapter & patch cords Professional picture quality without any drifting | Combined stereo input to mono Multiple TV distribution options Precise digital channel control | Operates with free UHF channels 1478, or CATV channels 65-94 and 100-135