https://bayviewtech.com.au/product/aja-opengear-dual-1x4-12g-sdi-distribution-amplifier-dual-input-channels-with-four-each-12g-sdi-outputs/
AJA OG-12GDA-2x4 OpenGear Dual 1x4 12G-SDI Distribution Amplifier, dual input channels with four...
aja ogsdi distributiondual
https://woodencamera.com/products/12g-sdi-splitter?_pos=1&_sid=8c414c5ce&_ss=r
4K 12G-SDI Distribution Amplifier | Professional Signal Splitter – Wooden Camera
Distribute flawless 4K 12G-SDI signals with built-in reclocking, dual power inputs, and zero-latency performance for professional production.
sdi distribution amplifier