Decimator Design 12G CROSS HDMI/SDI 4K Cross Converter with Scaling and Frame Rate Conversion - YouTube
Seetec SCH SDI to HDMI/ HDMI to SDI Cross Converter Portable Broadcast HDMI and SDI Cross Converter Heavy Duty Metal Housing|hdmi to sdi|sdi to hdmito hdmi - AliExpress
Lumantek EZ-MD+ HDMI/SDI Cross Converter With Audio Mux/Demux And Scaler | NEFAL.tv Germany
DECIMATOR MD-Cross V2 Miniature HDMI/SDI Cross Converter - Professional Video Store