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transponder
(redirected from Transponders)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
transponder
A receiver/transmitter on a communications satellite. It receives a microwave signal from earth (uplink), amplifies it and retransmits it back to earth at a different frequency (downlink). A satellite has several transponders.
transponder [tranz′pän·dər]
(communications)
A transmitter-receiver capable of accepting the challenge of an interrogator and automatically transmitting an appropriate reply.
A receiver-transmitter, such as on satellites, which receives a transmission and retransmits it at another radio frequency.


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The new order calls for Sirit to deliver its traditional sealed Title-21 based toll transponders including packaged tags available at retail locations.
Since June this year SES ASTRA has offered 24 transponders at 31.
LeBovidge said the fee will replace the current $25 to buy a transponder, and transponders will be handed out at no cost to users starting next month.
 
 
 
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