Amazon.com: HDMI to SDI, HDMI to SDI Converter Two SDI Output Audio Embedder Support HDMI 1.3, 3G/ HD-SDI Auto Format Detection Extender for Camera CCTV (Black) : Electronics
Amazon.com: 1080P 3G HDMI to SDI BNC Converter + SDI to HDMI Converter HDMI SDI/BNC Extender Over Single 100m/328ft Coaxial Cables : Electronics
Blackmagic design Mini Converter SDI to HDMI with power supply | eBay
Blackmagic Design Micro Converter SDI to HDMI 3G – DIT Tools
Amazon.com: TCNEWCL SDI to HDMI Converter Adapter for 3G-SDI/HD-SDI/SD-SDI Signals, 1080P@60Hz : Electronics
Amazon.com: HDMI to SDI Converter Adapter HDMI SDI Adapter SDI/HD-SDI/3G-SDI Adapter Support 1080P for Camera Home Theater : Electronics