HDMI to SDI Convertor Battery Operated – Pixelpitch
Amazon.com: Rybozen HDMI to SDI Converter Power Supply Adapter Included, Micro Converter 1 HDMI in 2 SDI out , Audio Format Detection, High Bit Rates at 2.970 Gbit/s : Everything Else
Blackmagic Design Micro Converter HDMI to SDI 3G (with Power Supply) - Shutter Shop