Valerian - Neck Comms Patch

Been watching too many trailers and clips. This is the neck patch seen in the trailers on Valerian's neck. I expect its for comms :)

Built as a single object - expecting metal paint on the relevant surfaces. So only one model.
https://www.youtube.com/watch?v=xaG2gRzWt-0

Constructed in openSCAD - mod away...