Blackmagic Design Mini Converter Heavy Duty – HDMI to SDI 4K – Birns & Sawyer
Blackmagic Design Micro Converter HDMI to SDI 3G - Micro Center
Amazon.com: Blackmagic Design Mini Converter SDI to HDMI 4K : Electronics
AJA HA5-4K 4K HDMI to 4K SDI Mini-Converter HA5-4K B&H Photo
Gra-Vue MIO SDI-HDMI-4K 4-Channel HD/SD-SDI to MIO SDI-HDMI-4K
Micro-4K Apantac 4K UHD 4x 3G -SDI to SDI/HDMI Converter
Blackmagic Design Micro Converter HDMI to SDI 12G CONVCMIC/HS12G
12G/6G/3G/HD-SDI to HDMI 2.0 Converter with Audio Extractor (PRO-SDIHD2)
Amazon.com: HDMI to SDI Converter, Micro Converter One HDMI in Two SDI Output (with Power Supply Adapter, Audio Embedder Support HDMI 1.3, 3G/HD- SDI Auto Format Detection Extender for Camera CCTV : Electronics