NFC Forum Tag Type 4

The Type 4 tag is defined to be compatible with ISO14443A and B standards also provide support for ISO/IEC 7816 security. These NFC IC are pre-configured at manufacture and they can be either read / re-writable or read-only,  also it allows for self-modification of NDEF content. The typical Tag Type 4 IC are NXP® Desfire series and the applications for Tag Type 4 normally are payment and security.