Apantac DA-HDTV-SDI HDMI to SDI Converter with Looping Input & Dual Output
Amazon.com: SDI to HDMI Converter Adapter Mini 3G HD Sdi Hdmi Adapter for SD-SDI, HD-SDI and 3G-SDI Signals : Electronics
Amazon.com: SDI to HDMI Converter Support 3G-SDI, HD-SDI, SD-SDI Auto Format Detection and Stereo Audio De-embedder, SDI Loopout (Black) : Electronics
Micro Converters | Blackmagic Design
Blackmagic Design Micro Converter HDMI to SDI 3G with PSU - Sound Productions
Amazon.com: SDI to HDMI, 3G-SDI/HD-SDI/SD-SDI to HDMI Converter Adapter,SDI in HDMI out, SDI in SDI out Loopout 1080P @60Hz Video Audio Splitter, Auto Format Detection and Stereo Audio De-embedder, Support HDCP :