<h1>RFID NFC Card: The Ultimate Guide to Modern Contactless Technology</h1> <h2>My Journey with RFID NFC Cards: From Skeptic to Advocate</h2> <p>I remember when I first encountered an <strong>RFID NFC card</strong>. It was for office access, and I was skeptical. Could a simple card truly replace traditional keys? My perspective changed completely as I experienced its convenience daily. This personal shift mirrors the broader adoption of this technology, moving from niche applications to everyday essentials. I've since developed a keen eye for evaluating different card specifications, a skill that has proven invaluable in both professional and personal projects.</p> <h3>Technical Specifications and Parameters of RFID NFC Cards</h3> <p>Understanding the underlying technology is crucial. Here are detailed technical indicators for a common <strong>RFID NFC card</strong> type, specifically focusing on the ISO/IEC 14443 Type A standard, which is widely used for access control and payment.</p> <h4>Detailed Chip and Physical Parameters</h4> <ul> <li><strong>Chip Model:</strong> NXP MIFARE Classic 1K (MF1S503x)</li> <li><strong>Operating Frequency:</strong> 13.56 MHz</li> <li><strong>Communication Protocol:</strong> ISO/IEC 14443 Type A</li> <li><strong>Memory Capacity:</strong> 1 KB EEPROM, organized into 16 sectors with 4 blocks each.</li> <li><strong>Data Retention:</strong> Up to 10 years.</li> <li><strong>Read/Write Cycles:</strong> Minimum 100,000 cycles.</li> <li><strong>Detailed Dimensions:</strong> Standard ID-1 format: 85.60 mm × 53.98 mm × 0.76 mm. Thickness can vary for specific durability requirements.</li> <li><strong>Operating Distance:</strong> Typically up to 10 cm, depending on the reader's power.</li> </ul> <p><em>Note: These technical parameters are for reference data. Specific requirements for custom chips, alternative models like NTAG, or unique form factors must be discussed by contacting the backend administration.</em>