Gilt PCB with compact dimensions for easy integration into projects Supports I2C, SPI, and high-speed UART communication modes Supports RFID reading and writing, peer-to-peer (P2P) communication, and NFC interaction with Android smartphones Typical operating distance: 5 cm to 7 cm Operates in either NFC mode or RFID reader/writer mode RFID reader/writer supports: - MIFARE Classic 1K, 4K, Ultralight, and DESFire cards - ISO/IEC 14443-4 compliant cards including CD97BX, CD Light, DESFire, and P5CN072 (SMX) - Innovision Jewel cards such as IRT5001 - FeliCa cards such as RCS-860 and RCS-854 Plug-and-play compatible with Arduino platforms Built-in PCB antenna with communication range of 4 cm to 6 cm On-board level shifter: standard 5V TTL for I2C and UART; 3.3V TTL for SPI Functions as an RFID reader/writer Functions as an ISO/IEC 14443-A card or virtual card Enables data exchange with other NFC-enabled devices including smartphones Applications: 1) RFID card read/write functionality — supports multiple card types 2) Peer-to-peer (P2P) wireless communication between two PN532 modules 3) NFC communication with NFC-enabled Android smartphones Color: Red Material: PCB Package Contents: 1 × PN532 NFC RFID Module 1 × 2.54 mm pitch 4-pin cable 1 × White card 1 × MIFARE S50 key card 1 × 12-pin bent male header Note: Color appearance may vary slightly due to lighting conditions and display settings. Dimensional tolerance: ±1–3 cm.