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
Micro Converters | Blackmagic Design
Black Box Converter HDMI to 3G-SDI/HD-SDI - video converter - VSC-HDMI-SDI - -