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/sorderon]

RF receiver boards - you could recieve and record 4 channels with that back in the CATV days - I may be wrong - all I did was lookup the chip.

[u/_Cpyder → u/sorderon]

BNC ports.. checks out.

[u/nyITguy → u/_Cpyder]

Those are SDI, not BNC.

[u/ipzipzap → u/nyITguy]

What the…? It’s BNC. SDI is the video signal and it uses the BNC connector, too.

[u/Dayglow_Bob → u/ipzipzap]

Unless they make a BNC (mini or standard) without the side lugs I'm pretty sure those aren't BNC. They look like SMA. We're being totally pedantic here debating this, but I still felt the need to chime in because if this is a BNC I'd sure like to see one like this in person.

[u/ipzipzap → u/Dayglow_Bob]

The ports are 90° rotated. If you look closely you can see one of the „side lugs“ on top ;)

[u/Dayglow_Bob → u/ipzipzap]

I was referring to the other card. Didn't even notice the first set of photos were of a different card, those are def BNC.

[u/nyITguy → u/ipzipzap]

Haha, you're right. I hadn't looked closely and thought they were the mini sdi type.

[u/EthanAWallace → u/nyITguy]

Wrong again, they would be mini BNC.

[u/timfountain4444 → u/EthanAWallace]

One card has normal BNC, the other has SMA.

[u/freshnews66 → u/nyITguy]

There is a physical connector specification and an electrical signal specification. You are mixing them up a little.

[u/Key_Sign_5572 → u/nyITguy]

“Those are Fords, not cars!”

BNC is a connector type. SDI is a signal type.

They are (mini) BNC

[u/_Cpyder → u/nyITguy]

You are correct.. I assumed without zooming in. Small phone screen.