"Commlock"

From the TV series, "Space: 1999," here is the ubiquitous "Commlock" device, a tool of many purposes. Released in March of 2003.

This is full-scale for use as a prop, though the belt clip is a bit too fragile for its purpose. Get one here:

https://drive.google.com/file/d/12-fDzbF_PssXb4Urh6-tgl6SOQJFvZBo/view?usp=drive_link