User manual Blackmagic Design Micro Converter HDMI to SDI (English - 811 pages)
Amazon.com: HDMI to SDI Converter, Micro Converter One HDMI in Two SDI Output (with Power Supply Adapter, Audio Embedder Support HDMI 1.3, 3G/HD- SDI Auto Format Detection Extender for Camera CCTV : Electronics
NA1012B-ET | HDMI TO 3G/HD-SDI CONVERTER (board to board connector) | Only Board - No Evaluation Adapter | NA1012B-ET-1