communicator

noun3

1. •
   Someone who, or something that communicates.

   • We'll let Nick give the presentation next week: he's a good communicator.
2. •
   Any of several electronic devices that allow people with various disabilities to communicate via displays or artificial speech.
3. •
   A usually portable communications device.

   • ‘Observation Officer of the Z12Q, attention!’ snapped from the tight-beam headquarters communicator. ‘Cut off those spy rays and report yourself under arrest for treason!’ — 1934