Jedi Comlink (The Last Jedi)

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Comlinks came in numerous varieties, though most shared the same central systems: a receiver, a transmitter, and a power source. Comlinks were typically small, palm-sized devices for easy transportation and concealment, often weighing as little as 0.1kg. More advanced models featured encryption routines, frequency search controls, sound reproduction matrices, silence projectors, and built-in ports for data transmission. Some comlinks, such as those used by the Jedi, were equipped with complex security devices that prevented unauthorized use. Comlinks were often integrated into helmets, like those worn by clone troopers and later stormtroopers. Even droids could use them if they wanted to. Without satellite amplification, a standard comlink had a range of about 50 kilometers. This range was decreased drastically in dense urban zones due to the presence of high levels of electromagnetic interference, though this could be circumvented by using wired transmission networks. Range and signal strength against interference were primarily dependent on the power source; correspondingly, comlinks with higher levels of available energy had much longer ranges and less interruption than hand-held civilian models. Between 32 BBY to 8 ABY, comlinks with standard security enhancements cost 200 credits. Comlinks were also used aboard starships for short-range communications like landing/departure clearances and formation commands. For longer-range communications, many starships utilized subspace radios, which necessitated an even larger power supply.