# Tagnxp MIFARE Classic EV1 1K RFID Card ## Introduction to Tagnxp MIFARE Classic EV1 1K RFID Card The **Tagnxp MIFARE Classic EV1 1K RFID Card** represents a significant advancement in contactless smart card technology, widely adopted for access control, public transportation, and secure identification systems. My personal experience with implementing these cards in a university campus access system revealed their reliability and ease of integration. Interacting with facility managers and security personnel during the deployment highlighted the card's user-friendly nature and robust performance in high-traffic environments. Observing students seamlessly tapping their cards at entry points underscored the technology's efficiency and convenience in daily operations. ## Technical Specifications and Detailed Parameters The **Tagnxp MIFARE Classic EV1 1K RFID Card** is engineered with precise technical specifications that ensure optimal functionality. Below are the key parameters: - **Chip Type:** NXP MIFARE Classic EV1 (MF1ICS50) - **Memory Capacity:** 1K bytes EEPROM, organized into 16 sectors with 4 blocks each (64 blocks total) - **Operating Frequency:** 13.56 MHz (ISO/IEC 14443 Type A) - **Data Retention:** Minimum 10 years - **Write Endurance:** 100,000 cycles per block - **Communication Interface:** Contactless, with a typical read range of up to 10 cm (depending on the reader) - **Dimensions:** Standard ID-1 format: 85.6 mm × 54 mm × 0.76 mm (ISO/IEC 7810 compliant) - **Security Features:** 32-bit unique serial number, mutual three-pass authentication, and sector-level access control with two keys (Key A and Key B) - **Operating Temperature:** -25°C to +70°C - **Chip Code:** NXP MF1ICS50 1.0 (specifically designed for enhanced security over earlier MIFARE Classic versions) *Note: These technical parameters are for reference purposes only. For exact specifications and customization options, please contact the backend administration team at TIANJUN.* ## Personal Insights and Case Studies From my perspective, the **Tagnxp MIFARE Classic EV1 1K RFID Card** excels in scenarios requiring a balance of security and affordability. In one project, I utilized these cards for a library management system, where their fast read/write capabilities and

Technical Specifications

The YARONGTECH 4K RFID S70 Smart Card Chip operates at 13.56MHz frequency with enterprise-grade encryption protocols. Designed specifically for luxury hotel environments, our solution provides seamless integration with existing property management systems while maintaining the highest security standards.