Table of Contents
    Home / Communications / Transponder
    Communications 1 min read

    Transponder

    Last Updated May 24, 2021 1:57 pm
    Webopedia Staff
    A wireless communications device usually attached to a satellite. A transponder receives and transmits radio signals at a prescribed frequency range. After receiving the signal a transponder will at the same time broadcast the signal at a different frequency. The term is a combination of the words transmitter and responder. Transponders are used in satellite communications and in location, identification and navigation systems.

    Was this Article helpful? Yes No
    Thank you for your feedback. 0% 0%
    Webopedia Staff
    About the author About the author arrow
    Webopedia Staff

    Since 1995, more than 100 tech experts and researchers have kept Webopedia’s definitions, articles, and study guides up to date. For more information on current editorial staff, please visit our About page.

    Read more