Droid caller

A droid caller,Star Wars: Galaxy of Heroes also known as a caller, was a small handheld device that worked in conjunction with a droid's restraining bolt. Its signal compelled a droid to stop whatever it was doing and report to its master.
==Appearances==
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*Star Wars: A New Hope junior novelization
*Star Wars: Galaxy of Heroes 
==Sources==
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*
*Star Wars: Alien Archive
*Star Wars Day-at-a-Time Calendar 2021
*Star Wars 100 Objects
* 
==Notes and references==
Category:Communications