ISO/IEC 15693, is an ISO standard defined by the International Organization of Standardization for RFID card or contactless vicinity objects with greater distance as compared with other High Frequency RFID card. ISO/IEC 15693 systems operate at the 13.56 MHz High Frequency, and offer a maximum read distance of about 1–1.5 meters.
ISO/IEC 15693-1:2018 Part 1 Physical characteristics, which defines the physical attributes of vicinity RFID cards
ISO/IEC 15693-2:2006 Part 2: Air interface and initialization, which defines the power and communications interface between the vicinity card and the reading device.
ISO/IEC 15693-3:2009 Part 3: Anticollision and transmission protocol, which specifies the protocol, commands and other parameters required to initialize communications between an RFID card and the reader.it also defines the term “anticollision” by giving methods to detection and communication methods between one RFID card and several other RFID cards.
Difference between ISO/IEC 15693 and ISO/IEC 14443
The ISO/IEC 15693 standard was originally designed for access control, and tags conforming to this standard have a read range of up to 3 feet (0.9 meter). ISO/IEC 14443A tags are designed for financial transactions. To protect against someone intercepting data sent from a tag to a reader, the read distance is designed to be very short—a few inches.The applications for ISO/IEC 15693 therefore are mostly for Public library RFID systems and ski pass RFID systems with RFID card or RFID tickets. The applications for ISO/IEC 14443 are mostly Banking RFID card, transportation RFID card etc.
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