Passive transponder

A passive transponder is a transponder without its own battery and uses the energy from the field of an RFID reader to transmit data. This design is usually compact, robust and economical, but generally achieves shorter read ranges than an active transponder. A passive transponder is primarily used where many objects need to be identified reliably and without contact at fixed read points, such as containers, load carriers or workpieces. This technology is particularly suitable for processes with clearly defined read zones and high volumes in the ongoing material flow.

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