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> <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> <br>Multiple Protocol Support:Compatible with ISO14443A, MIFARE, and NTAG protocols, making it a versatile choice for various RFID applications. <br> <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> <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> <br>Operating frequency: 13.56 MHz <br> <br>I2C data rate: Fast mode: up to 400 Kbit/s; High-speed mode: up to 3400 Kbit/s <br> <br>ceiver buffer: 64 bytes <br> <br>Supported protocols: ISO14443A, MIFARE and NTAG <br> <br>Working temperature: -20℃-85℃ <br> <br>Data storage:Greater than 10 years <br> <br>Reading distance: Less than 20 mm <br> <br>Development platform: for Arduino, UIFlow(Blockly, Python) <br> <br>2x LEGO compatible holes <br> <br>Applications <br> <br>Smart home access control system <br> <br>Vehicle management <br> <br>Smart portation <br> <br>Smart bookshelf <br> <br>Note: <br> <br>Installation guide not included, we strongly recommend you seek professional installation. <br> <br>Please check as much as possible to make sure the item is what you need. <br> <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> <br>Colour:Photo Color <br> <br>Material:ABS <br> <br>Package Contents: <br> <br>1x RFID Unit <br> <br>Only the above package content, other products are not included. <br> <br>Note: Light reflection and different disp