Here's the submersible model of the Omega agencies powered armor suit. It's main difference is in the water jets it has on various pieces of the suit, allowing it to move around with ease rather than be stuck slogging it on the ocean floor.
Haha, and I'd call that a good case, those things are extremely vague. When rapid perception is required it's best to see things in native vision. Sonar vision or penetrating radar could be a cool secondary vision mode though. Contact is pretty light and bubbly on it's cyberpunk, no technology shifts that are too hard to wrap your head around.