This converter can accept 4K, 1080p, 1080i, 720p, and 480i HDMI signals and outputs the corresponding SDI output without any signal loss. It includes a mirrored SDI output for a second display. Features Automatically detects the HDMI input signal Compliant with the SMPTE ST-2081, SMPTE 425M-AB, SMPTE 424M, SMPTE 292M, and SMPTE 259M-C standards Supports 5.94Gbps, 5.94/1.001Gbps, 2.97Gbps, 2.97/1.001Gbps, 1.485Gbps, 1.485/1.001Gbps, and 270Mbps SDI bit rates Supports HDMI resolutions up to 4K 30Hz Built-in SDI re-driver for long cable runs Includes an analog stereo audio input Firmware can be updated from an external USB flash drive FAT32 file system only Support Files User's Manual Jan 3, 2018 HDMI , the HDMI Logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.