<h1>RFID Tarjeta Technology and Applications</h1> <p>RFID tarjeta systems represent a cornerstone of modern automatic identification and data capture. From personal access control to large-scale logistics, the applications are vast and growing. In my experience working with various identification technologies, the versatility and reliability of a well-implemented RFID card system are unparalleled. I've personally found that understanding the underlying technology, from the chip to the antenna design, is a crucial skill for anyone in the IoT or security fields. My view is that while NFC gets much of the consumer attention, passive UHF RFID cards are the unsung heroes of industrial and supply chain management.</p> <h2>Technical Specifications of a Standard RFID Card</h2> <p>To effectively integrate an RFID tarjeta into any project, understanding its technical parameters is essential. Here are the detailed specifications for a typical high-frequency (13.56 MHz) RFID card, often used in access control and payment systems.</p> <h3>Physical and Electrical Parameters</h3> <h4>Dimensions and Construction</h4> <p>* **Standard Format:** ID-1 (ISO/IEC 7810), 85.60 mm × 53.98 mm × 0.76 mm. * **Material:** PVC, PET, or composite materials. * **Operating Temperature:** -25°C to +70°C. * **Storage Temperature:** -40°C to +85°C.</p> <h4>Chip and Protocol Details</h4> <p>* **Common Chip Model:** NXP MIFARE Classic 1K (MF1S503x). * **Communication Protocol:** ISO/IEC 14443 Type A. * **Operating Frequency:** 13.56 MHz. * **Memory:** 1KB EEPROM, organized in 16 sectors with 4 blocks each. * **Data Retention:** Minimum 10 years. * **Write Endurance:** 100,000 cycles per block. * **Read Range:** Typically 5-10 cm, depending on the reader power and antenna design.</p> <p>**Please Note:** The above technical parameters are for reference data. Specific requirements for custom chips, extended memory, or specialized form factors need to be discussed with our backend management team at TIANJUN. We provide tailored RFID tarjeta solutions to meet exact project specifications.</p> <h2>Entertainment and Charitable Applications of RFID Cards</h2> <p>Beyond security, the RFID tarjeta finds fascinating uses in entertainment. A great example is its use in modern theme parks. Visitors wear RFID-enabled wristbands or cards th