This RFID Read/Write transponder tag is part of the EM Microelectronic-Marin SA EM4x50 family and is designed to work with the RFID Read/Write Module, Serial. Each tag contains a unique, read-only serial number (one of 2^32, or 4,294,967,296 possible combinations) and 116 bytes of user data area stored in a non-volatile EEPROM (Electrically Erasable Read Only Memory). The user data area can be optionally secured with a 32-bit password to allow only authorized read and write operations.

These tags are compatible with RFID R/W reader module not with the RFID Card Reader (USB or Serial).

Features:
    125 kHz operating frequency
    Thin package
    Both sides are fully printable with offset, thermo-transfer and dye sublimation printing