Apantac DA-HDTV-SDI HDMI to SDI Converter with Looping Input & Dual Output
3G-SDI to HDMI Converter with Scaler and Monitor
Blackmagic Design Micro Converter SDI to HDMI
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
Micro Converters | Blackmagic Design
HDMI to 3G-SDI/HD-SDI Converter | Black Box
Micro Converters | Blackmagic Design
Amazon.com: HDMI to SDI Converter Adapter HDMI SDI Adapter SDI/HD-SDI/3G-SDI Adapter Support 1080P for Camera Home Theater : Electronics