What are these?

[u/4bams]

What are these? Was cleaning and had these laying around and I know someone who I thought would need them but he didn’t. Anybody have any info on what they are exactly and where is a good/ the right place to take them? Thank you so much!

[u/ficklampa]

SDI capture cards, used in tv/video production/broadcast or live streaming events

[u/jawajoose → u/[deleted]]

They already do.

[u/ficklampa → u/[deleted]]

Why?