1080P@60HZ HDMI to SDI, HDMI to SDI Converter Two SDI Output Audio Embedder Support HDMI 1.3, 3G/ HD-SDI Auto Format Detection Extender Supports HDCP 1.3 for Camera CCTV (Black) - Newegg.com
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AJA HA5-12G HDMI 2.0 To 12G-SDI Converter | Full Compass Systems
HDMI 2.0 to 12G/6G/3G/HD-SDI Converter (PRO-HD2SDI)
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AVMatrix Mini SC1221 - HDMI to SDI Mini Converter - Avacab
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