A responder was a component of a communicator.
In 2270, Nyota Uhura speculated that the responder from Captain James T. Kirk's communicator might be disconnected, as he was not answering, nor did the device show up on the scanning grid. (TAS: "Bem")
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.