Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Supply Voltage: 3.3V to 5.5 V _x005f_x000D_ Model Number: NFC RFID Module _x005f_x000D_ 1. Based on PN532 chip, it is used for 13.56MHz near-field communication. _x005f_x000D_ 2. The module is equipped with on-board antenna, no need for external antenna coil, the module is compatible with SPI, I2C, UART interface for communication. _x005f_x000D_ 3. With the NFC library supporting Arduino and Raspberry Pi, it can be easily used for the development of NFC-enabled products. _x005f_x000D_ 4. Support SPI, I2C and UART interface selection switch. _x005f_x000D_ 5. Effective communication distance is within 5cm. _x005f_x000D_ 6. Can be used for 13.56MHz contactless communication. _x005f_x000D_ 7. Compatible with ISO14443 Type A and Type B standards. _x005f_x000D_ Attention: _x005f_x000D_ 1. Pay attention to the wiring according to the diagram, do not connect the wrong. _x005f_x000D_ 2. The power supply voltage should not exceed 5V, otherwise the module will be damaged. _x005f_x000D_ 3. When wired for use with microcontroller and other devices, set the dip switches to select the desired communication method. _x005f_x000D_ Working voltage: 3.3V _x005f_x000D_ Size: 42x40x5mm/1.65x1.57x0.2inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x NFC RFID Module 1. Versatile Interface Compatibility: This NFC RFID module supports multiple interface communication and offers easy switching between different modes. It provides flexibility and convenience for NFC product development, making it compatible with a wide range of devices. 2. Convenient Development Process: Designed with ease of use in mind, this near field communication reader module simplifies the NFC product development process. Its user-friendly interface and comprehensive documentation allow developers to quickly integrate NFC functionalities into their projects. 3. Compact Size for Easy Integration: With its small and compact form factor, this RFID wireless module is ideal for embedding into various devices and systems. It can be seamlessly integrated into your existing setup without occupying much space or causing inconvenience. 4. User-Friendly Experience: This reader writer module prioritizes user convenience. It offers straightforward installation and configuration, ensuring a hassle-free experience for both developers and end-users. Enjoy the benefits of NFC technology without any complexities. 5. Portable and Lightweight: The compact size and lightweight nature of this NFC card reader module make it highly portable. Whether you need NFC capabilities on the go or in a limited-space environment, this module's portability makes it a practical solution for various applications.