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transponder

   Also found in: Dictionary/thesaurus, Medical, Acronyms, 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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Development of China''s Satellite Transponder Market in 2008 3.
2008-2009 Annual Report on China's VSAT Market by FriedlNet.com / Business, international community
Toronto, ("Sirit")(TSX: SI), a global provider of radio frequency identification ("RFID") technology, has announced that the Bay Area Toll Authority ("BATA") has confirmed a toll transponder order valued at $6.
SIRIT AWARDED US$6.6 MILLION RENEWAL RFID TRANSPONDER ORDER by Computer Protocols
Under this agreement German satellite service provider InSat will use one transponder on ASTRA 2C to provide IP backbone services to small and medium sized enterprises in the Middle East and Caucasus region.
SES ASTRA executes capacity agreement with InSat for 31.5 degrees East by Internet Business News
 
 
 
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