Or would they have different standards?
It depends on the reader and the Mifare tags you are using. Mifare is a proprietary air-interface protocol created by NXP Semiconductors, based on the ISO 14442 Type A standard, though it adds some additional security features. There are different types of Mifare chips, including Mifare Classic, Mifare Ultralight C and Mifare DESfire. Mifare Ultralight C is fully compliant with ISO/IEC 14443 Parts 1-3, Type A (including anti-collision), while Mifare DESFire is compliant with ISO 14443-4. So it really depends on which version of the ISO 14443 protocol the reader is using, and which Mifare chip the tag contains. The best way to ensure compatibility is to conduct a test.
I hope this answers your question, and I look forward to seeing you at RFID Journal LIVE! in May.
—Mark Roberti, Founder and Editor, RFID Journal
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