Parallax RFID R/W 54mm x 85mm Rectangle Tag

* Compatible with Parallax Serial RFID Reader / Writer Module * EM Microelectronic-Marin SA EM4x50 family * Activating frequency: 125KHz * Both sides are printable with offset, thermo-transfer and dye sublimation printing * Each tag contains a unique, read-only serial number * 116 bytes data stored in non-volatile EEPROM