Blackmagic Micro Converter SDI to HDMI 12G without PS - Avacab
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
HDMI 2.0 to 12G/6G/3G/HD-SDI Converter (PRO-HD2SDI)