Samsung SIR-T351 ATSC (HD) Tuner Tunes and decodes all 18 approved ATSC DTV broadcast formats Selectable outputs, including 1080i, 720p, 480p, and 480i so you can match the resolution to that of your TV or PC Range of outputs includes DVI, component-video, composite-video, S-video, and both analog and digital audio Receives and passes Dolby Digital DTV broadcasts for stereo or discrete 5.1-channel surround sound with compatible hardware Includes universal remote control