# M1 RFID Card: The Ultimate Guide to Technology and Applications ## What is an M1 RFID Card? **M1 RFID Card** technology represents a cornerstone in modern access control and identification systems. As someone who has worked extensively with RFID systems, I've seen firsthand how the **M1 RFID card** has evolved from a simple security tool to a multi-functional asset. My personal experience in system integration has shown me that understanding the technical foundation of these cards is crucial for effective implementation. ## Technical Specifications and Parameters of M1 RFID Cards When selecting an **M1 RFID card**, it's essential to review its technical specifications. Here are the detailed parameters for a standard M1 card: * **Chip Model:** NXP MIFARE Classic 1K (MF1 IC S50) * **Operating Frequency:** 13.56 MHz (HF Band) * **Memory Capacity:** 1K Byte EEPROM, organized into 16 sectors with 4 blocks each. Each block holds 16 bytes. * **Communication Protocol:** ISO/IEC 14443 Type A * **Data Retention:** Minimum 10 years * **Write Endurance:** 100,000 cycles per block * **Anti-Collision:** Supports multiple card operation * **Detailed Dimensions:** Standard ID-1 format: 85.6mm x 54mm x 0.76mm. Thickness can vary (0.68mm - 0.84mm) based on material (PVC, PET, ABS). * **Read/Write Distance:** Typically 2-10 cm, depending on the reader's power and antenna design. > **Important Note:** The technical parameters provided above are for reference and illustrative purposes. Specific chip batch codes, exact performance metrics under different environmental conditions, and customized form factors require verification. For precise specifications and compatibility checks for your project, you must **contact the backend administration team at TIANJUN**. ## My Experience and Skill with M1 Card Systems My journey with RFID began a decade ago. A particular project required integrating **M1 RFID card** readers with a legacy time-attendance system. The challenge was the proprietary data format. By developing a custom middleware that translated the M1 card's sector data, we achieved seamless integration. This skill in protocol bridging has been invaluable. I believe that the true potential of the **M1 RFID card** lies not just in its storage but in how its data structure is creatively utilized within system logic. ## Entertainment and Creative Applications The use of **M1 RFID card** technology isn't limited to security. A fascinating entertainment application I've encountered is in interactive museum ex