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
Amazon.com: Blackmagic Design Micro Converter SDI to HDMI 3G (with Power Supply) : Electronics
3G SDI to HDMI Adapter Converter - Video Converters | StarTech.com
SDI to HDMI Converter Adapter - Supports HD-SDI SD-SDI 3G-SDI to Full HD 1080P @ 60 Video Convertor Box Adaptor with Embedded Audio for HDMI compatible TV Display Monitor - Walmart.com
Theatrixx xVision Video Converter, SDI/HDMI Bidirectional - Video Converters | New Lighting