Xadow - NFC Tag is a highly integrated Near Field Communication Tag module,this module is I2C interface,which base on M24LR64E-R,M24LR64E-R have a 64-bit unique identifier and 64 -Kbit EEPROM.Xadow - NFC Tag attach an independent PCB antenna which can easily stretch out of any enclosure you use, leaving more room for you to design the exterior of your project.
Working Voltage:5V or 3V3
2CM max effective range
Serve for contactless communication at 13.56MHz
ISO 15693 and ISO 18000-3 mode 1 compatible
64-bit unique identifier (UID)
Read Block & Write (32-bit blocks)