Buy AJA Hi5-Plus 3G-SDI to HDMI Converter - AF Marcotec
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
AVMatrix SC1112 3G-SDI to HDMI Mini Converter
3G-SDI/HD-SDI to HDMI Converter | Black Box
Blackmagic Mini Converter Bidirectional - SDI To HDMI 3g
3G SDI to HDMI Adapter Converter - Video Converters | StarTech.com