Acoustic signaller

Acoustic signallers were components which could be installed into droids. The droid HURID-327 was equipped with a binary acoustic signaller.Star Wars: The Force Awakens: The Visual Dictionary
==Behind the scenes==
Acoustic signallers were first mentioned in Galaxy Guide 7: Mos Eisley, a Star Wars Legends supplement for Star Wars: The Roleplaying Game, written by Martin Wixted and released in 1993. They were confirmed to be canon by the reference book Star Wars: The Force Awakens: The Visual Dictionary, which was written by Pablo Hidalgo and released in 2015.
==Appearances==
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==Sources==
*Star Wars: The Force Awakens: The Visual Dictionary 
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*Star Wars: The Complete Visual Dictionary, New Edition
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==Notes and references==
Category:Droid parts