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Blackmagic Design HDMI to SDI 6G Mini Converter CONVMBHS24K6G
4K HDMI to SDI Converter Dual SDI Adapter Video Converter 1080@60Hz with Automatic Audio Format Detection Function, Suitable for Camera CCTV - Newegg.com
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Blackmagic Design Micro Converter HDMI to SDI 3G CONVCMIC/HS03G
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