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Ministry of Defence BT Inmarsat Science & Technology Facilities Council

What’s The Difference Between Transceiver And Transponder?

What's the Difference Between Transceiver and TransponderTransceivers and transponders are key elements of so many things in day to day life and for many of us, are things that are either taken for granted, or we simply do not have any information about as we don’t encounter them specifically in daily activities.

For those in the IT and communications industry, this simply isn’t the case and it is vital that a clear understanding of the difference between the two and their individual characteristics and functions is understood to be able to maximise efficiency not just across individual machines and networks but also across the business as a whole.

We need to fully understand transceivers and transponders to be able to compare the two. This is a question that requires a clear and concise answer to dismiss any presumptions or confusion around the subject.

A transceiver helps to guide the flow of traffic, format information and convert data. It provides an electrical-optical function and uses a serial interface. Ethernet transceivers provide isolation between stations and expose collisions. A transceiver transmits and receives data and as a result the word “transceiver” was created. Transceivers are often used in wireless devices such as mobile phones, and two-way radios. Satellites use a full-duplex system so that the reception is not interrupted by the transmitting signal. Transceivers use half duplex when being used in two-way radios. Whilst the transmitter is in use, the receiver is silenced. We have a range of XSP, SFP and SFP+ transceivers dependant on your assignment.

Transponders have many functions depending upon the task it is assigned to. They use a parallel interface and convert between two optical wavelengths. The word “transponder” comes from the fact that it both transmits and responds. When used in high-speed networking, transmitters respond and transmit from a fiber. Originally transponders were used to locate an object and can still be used in this fashion. In World War II, aircraft pilots would use transponders to identify whether other crafts it would come in contact with were enemies or friends. They would relay this to radar operators. This was part of the “Identify Friend or Foe” (IFF) operation. Transponders are used for a number of things including: satellites, mobile phones and even cars. They assist in location services, distance measuring and other tasks. Our direct attach cables are high quality transmitters suitable for a range of projects.

To find the best transceivers and transponders to suit your business, please use our search box. This way you can find the most effective and suitable product for your business needs.