Transponder can refer to:
Canon[]
- A transponder beacon, a type of tracking device
- A transponder code, used to identify starships
- A transponder mask, used to mask a ship's transponder code
- An escape pod transponder, used for locating escape pods
- A masking transponder, used for obfuscating the location of a starship
- A radio transponder, used for communications
Legends[]
- A transponder beacon, a type of tracking device
- A transponder buoy, a navigational aid used in asteroid belts
- A hyperspace transponder, used for sending messages
- The IFF code or transponder code, used to identify starships
- A Transponder mask, used to mask a ship's transponder code
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