Communications system
A communications system, also called a comm system or com system, was the technological system used for communication between two or more involved parties.

When the  was unable to communication with the landing party stranded on Pollux IV in 2268, due to interference created by Apollo, Commander Spock supported Lieutenant Nyota Uhura's attempt to rig a subspace bypass circuit. In doing the delicate repair, she was careful not to make a mistake out of fear that she "could blow the entire communications system." ()

Communications technology