ISP Glossary Find an ISP Term

Search ISP Sites

Search: Search internet.com

ISP Resources ISP-Lists ISP Glossary ISP News CLEC-Planet The List ISPCON Free Newsletter IT Developer Internet News Small Business Personal Technology Search internet.com Advertise Corporate Info Newsletters Tech Jobs E-mail Offers internet.commerce Be a Commerce Partner

Search for an ISP term
by a keyword...	...or by category. choose one... Communications Computer Industry Companies Computer Science Data Graphics Hardware Internet and Online Services Mobile Computing Multimedia Networks Operating Systems Programming Software Standards Types of Computers World Wide Web

transponder Last modified: Wednesday, September 25, 2002
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.
	Related Categories Satellite Communications Telecommunications Wireless Computing Related Terms downlink DSS GEO IoS LEO MEO solar fade uplink VSAT WLAN