RFID2 Unit Chip | Enhanced RFID Capabilities: Powered by the WS1850S chip, the RFID2 supports reading, writing, recognition, and authorization of RF cards, operating at 13.56MHz for seamless contactless data exchange. Fast and Efficient Communication: Supports I2C data rates up to 3400 Kbit/s in high-speed mode, ensuring rapid data transfer and improved system responsiveness. Multiple Protocol Support: Compatible with ISO14443A and protocols, making it a versatile choice for various RFID applications. Compact and Design: Measuring only 48x24x8mm with compatible holes, the RFID2 is compact yet robust, perfect for integration into smart devices and systems. Wide Range of Applications: Ideal for smart home access control, vehicle management, and smart transportation, the RFID2 is designed to meet diverse verification needs with its reliable performance. Operating Frequency: 13.56 MHz I2C Data Rate: Fast Mode: up to 400 Kbit/s; High-Speed Mode: up to 3400 Kbit/s Transceiver Buffer: 64 bytes Supported Protocols: ISO14443A, and Operating Temperature: -20-85°C Data Storage: 10 years Read Distance: Less than 20 mm Development Platform: for M5Stack, UIFlow (Blockly, Python) 2x compatible holes Applications: Smart Home Access Control Systems Vehicle Management Smart Transportation Smart Bookshelf