The ST25DV64K-JFR8D3 with RFID Transponders is a 64-Kbit Dynamic NFC/RFID tag with NFC Forum type V certification and is equipped with an I2C interface and fast transfer mode as well as energy harvesting capabilities. It is manufactured by STMicroelectronics and is designed for a wide range of secure, high-end deployment applications, including contactless payment systems and smart ticketing. It features a 64-Kbits protected non-volatile memory, password protection, public and secret data areas, and an integrated unique identifier. This part also includes data encryption, counter protection, and an advanced security architecture for secure applications. With a dual voltage range of 3.0V to 5.5V, it enhances compatibility with various microcontroller and smart card frameworks. The ST25DV64K-JFR8D3 also features energy harvesting from external sources or transceiver fields to extend system life.