There’s a group of characters at the beginning of this episode:
The A-6 excavation team, an Arctic Archaeology Team, associated with the Earth Sciences Institute and the Science Council. - Memory Alpha
Anyway, they are carrying some props that appear different from the usual Starfleet stuff. Here’s a communicator:
At least it looks different to me. Here’s some of the PADD:
And then there’s this thing; not sure what it is. Maybe some kind of tricorder?
Anyway, has there ever been discussion about these? Are there other appearances of these items, or more pictures and information on them?