1. User-Friendly Operation: This NFC card reader module is designed for easy and intuitive operation. With its simple interface and clear instructions, it allows for hassle-free access to NFC functionality. 2. Multiple Interface Options: Enjoy versatile connectivity options with this NFC reader writer module's support for various interface selections. It allows for seamless switching between different modes, providing flexibility and convenience in your NFC projects. 3. 13.56MHz Near Field Communication: Specifically designed for 13.56MHz near field communication, this NFC RFID reader writer shield enables secure and convenient data exchange between devices. Unlock the potential of NFC technology for a range of applications. 4. Based on PN532 Chip: Built with the PN532 chip, this near field communication reader ensures reliable and efficient 13.56MHz NFC communication. It features an onboard antenna, eliminating the need for external antenna coils. The module is compatible with SPI, I2C, and UART interfaces for seamless communication. 5. Development for Arduino and Raspberry Pi: With NFC library support for Arduino and Raspberry Pi, this contactless communication module facilitates the development of NFC-enabled products. Utilize the capabilities for Arduino and for Raspberry Pi platforms to easily integrate NFC functionality into your projects. Specification: Type: Module Condition: New Supply Voltage: 3.3V to 5.5 VA Model Number: NFC Card Reader Module 1. Based on PN532 chip for 13.56MHz near field communication. 2. The module is equipped with an on-board antenna, no external antenna coil is required, and the module is compatible with SPI, I2C, and UART interfaces for communication. 3. With the NFC library supporting for Arduino and Raspberry Pi, it can be easily used for the development of NFC-enabled products. 4. Support SPI, I2C and UART interface selection switching 5. Effective communication distance within 5cm 6. Can be used for 13.56MHz contactless communication. 7. Compatible with ISO14443 Type A and Type B standards Colour:black Material:PC Package Contents: 1 * 13.56Mhz Reader Wirter Module 2 * CUID Keyfob Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.