The H-12SDI-ATSC-IPLL is a 12 HD/SD-3G SDI input to ATSC (OFF AIR ) RF Output Modulation and IPTV output supporting Low latency up to 1080p/60 12 SDI to CATV RF Modulator and IP Video Encoder. Thor Broadcast's high density HD encoder RF modulator has an all new platform for modulation for up to 12 SDI Inputs in SD/HD/3G-SDI sources while simultaneously being able to output IP Transport Streams from those sources. This multi-function device is a professional headend in a box with massive functionality which includes encoding, multiplexing, scrambling and modulation. Combining several of these units means you can utlimately build a full headend in a fraction of the rack space. This unit is a 1RU powerhouse that has surpassed testing expectations due to utilization of the best video chipsets on the market which means perfect 1080p60 clarity in beautiful HD.