What is difference between the ATA5567 and the T5557 LF technology?

ATA5567, designed for use in low-frequency cards and key fobs for access control in office buildings, hospitals, animal management and the like, complies with the ISO 11784 and 11785 FDX-B standards. The ATA5567 is more stable than its predecessor T5557 chip, to which the ATA5567 is backward-compatible. The ATA5567 measures less than 1 square millimeter and operates between 100 and 150 KHz.the. The ID enables the retraceability of the product in case of problems with illegal duplicates or counterfeiting and prevents unauthorized access to secured areas.

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