Blackmagic HDMI / SDI 12G - Bi-Directional with power supply - BMD-CONVBDC/ SDI/HDMI12G/P - Micro Converter 12G
Blackmagic Design CONVCMIC/HS03G Micro Converter HDMI to SDI 3G - Pro AV Warehouse
Amazon.com : Blackmagic Design HDMI to SDI Micro Converter, Without Power Supply : Electronics
Micro Converter SDI to HDMI(with Power Supply),3G-SDI/HD-SDI/SD-SDI to HDMI Converter Adapter,SDI in HDMI out SDI Loopout,1080P Video Audio Splitter,Support HDCP 1.3 for Camcorder Camera to TV - Newegg.com
Blackmagic Design 3G Micro Converter SDI to HDMI-compatible / HDMI-compatible to SDI - AliExpress