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Multiple NDEF Records on an NFC Tag

An NFC tag that is NDEF formatted can contain multiple records. An NDEF formatted NFC tag consists of a NDEF message with 1-N NDEF records.


In many systems, the first NDEF record in a message is the most important and indicates the default action that will be performed on the device. Subsequent NDEF records are used to support the first record. This can either be for additional “hidden” data, or to tie the NFC tag to a specific software application. An Android Application Record (AAR) is a good example of this.


Updated on September 6, 2017

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