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. 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. Multiple Protocol Support:Compatible with ISO14443A, MIFARE, and NTAG protocols, making it a versatile choice for various RFID applications. Compact and Durable Design:Measuring just 48x24x8mm with compatible holes, RFID2 is compact yet durable, perfect for integration into smart devices and systems. 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. Operating frequency: 13.56 MHz I2C data rate: Fast mode: up to 400 Kbit/s; High-speed mode: up to 3400 Kbit/s ceiver buffer: 64 bytes Supported protocols: ISO14443A, MIFARE and NTAG Working temperature: -20-85 Data storage:Greater than 10 years Reading distance: Less than 20 mm Development platform: for Arduino, UIFlow(Blockly, Python) 2x LEGO compatible holes Applications Smart home access control system Vehicle management Smart portation Smart bookshelf Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. 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 Colour:Photo Color Material:ABS Package Contents: 1x RFID Unit Only the above package content, other products are not included. Note: Light reflection and different disp Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!