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RFID Principle RFID Categories Long Range RFID


RFID at a glance:
Hands-free identification of objects
Identification of several dozen objects simultaneously even when in motion
Tags can be integrated in the object
Wide range of tag casings
Tags resistant to external influences like dirt, paint, moisture etc.
Long service life
Designed to suit standard enterprise application software and vehicle monitoring systems
The RFID Principle

RFID (radio frequency identification) systems are used to recognise objects hands-free at different identification ranges. Like barcode technology, RFID technology is a modern automatic identification system. And like barcodes, RFID systems are made up of at least one reader/scanner and a tag mounted on the object that is to be identified.

The difference between barcode and RFID technologies is the mode of communication between reader and tag. Whereas barcode systems belong to the group of optical transmission systems, RFID readers and tags communicate via radio waves.

It is in the area of communication that the major benefits of the RFID technology lie. Since no line-of-sight connection to the reader is necessary, tags can be completely integrated in the objects. Further benefits include the identification of objects over large distances and the simultaneous identification of more than one object in a single operation.

Moreover, RFID tags are resistant to rain, dirt and light sources. They can even be scratched and painted over - and correct object identification is still assured. This is why the RFID technology is becoming increasingly widespread - particularly in fields like logistics which are characterised by harsh industrial operating environments.

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