M5Stack RFID2 Unit Chip | Enhanced RFID Capabilities:Powered by the WS1850S chip, RFID2 supports reading, writing, recognition, and authorization of RF cards, operating at 13.56MHz for seamless contactless data exchange.<br> Fast and Efficient Communication:Supports I2C data rates of up to 3400 Kbit/s in high-speed mode, ensuring rapid data fer and improved system responsiveness.<br> Multiple Protocol Support:Compatible with ISO14443A, MIFARE, and NTAG protocols, making it a versatile choice for various RFID applications.<br> Compact and Durable Design:Measuring just 48x24x8mm with compatible holes, RFID2 is compact yet durable, perfect for integration into smart devices and systems.<br> Wide Range of Applications:Ideal for smart home access control, vehicle management, and smart portation, RFID2 is designed to meet diverse verification needs with its reliable performance.<br> Operating frequency: 13.56 MHz<br> I2C data rate: Fast mode: up to 400 Kbit/s; High-speed mode: up to 3400 Kbit/s<br> ceiver buffer: 64 bytes<br> Supported protocols: ISO14443A, MIFARE and NTAG<br> Working temperature: -20℃-85℃<br> Data storage:Greater than 10 years<br> Reading distance: Less than 20 mm<br> Development platform: for Arduino, UIFlow(Blockly, Python)<br> 2x LEGO compatible holes<br> Applications<br> Smart home access control system<br> Vehicle management<br> Smart portation<br> Smart bookshelf<br> Note:<br> Installation guide not included, we strongly recommend you seek professional installation.<br> Please check as much as possible to make sure the item is what you need.<br> Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use<br> Colour:Photo Color<br> Material:ABS<br> Package Contents:<br> 1x RFID Unit<br> Only the above package content, other products are not included.<br> Note: Light reflection and different disp