RE:RE:RE:Meta 2 has nice thin cable
OK, to answer my own question, they're not the same.
The Meta 2 is by Metavision https://www.metavision.com/
and here is what they say about their cable:
"9 foot cable for video, data, and power (HDMI Version 1.4b)"
but they're not on the S7 list. This seems to be aimed at commercial/personal use.
The MetaVR (which is on the S7 presentation list) is made by MetaVR. This also seems to be aimed at military applications.
https://www.metavr.com/products/products.html