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Information about RFID Functionality,
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Information about Radio Frequency Identification

RFID stands for Radio Frequency Identification. The system consists essentially of a microchip and a small coil that acts as an antenna. RFID transponders are available in various designs. They may contain one-time writable or variable memory; they can only issue an inventory number during the query or execute a flexible challenge-response cycle. Most transponders work passively, so they do not need their own power supply.
The transponders are read with an electromagnetic alternating field into which the chip modulates a response. The pulsating magnetic field of the reader also serves as a power supply for the chip by inducing a current in the microampere range in the receiver coil.

RFID – universal and individually configurable

The range and behavior of an RFID transponder can be completely adapted to individual needs and security requirements. For an inventory control, for example, you need chips that are as cheap as possible, where the article number can be read from a long distance. For ID or payment systems, however, chips are used that can only be read over very short distances and establish secure dialog communication.

At least as important for safety and functionality is the associated evaluation concept. Here, too, a solution is needed that is optimized for the respective field of application – for example with an interface to SAP or with a consistent double entry book for protection against manipulation. Because you are responsible for the money on the prepaid cards of your employees – and we tell you how to avoid recourse claims. The more comprehensive an RFID concept is, the more hardware and software manufacturers are involved. Here, a central advisory body is required that precisely defines specifications and interfaces.

Radio Frequency Identification (RFID)

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