# RFID NFC Cards ## Understanding RFID and NFC Technology I remember when I first encountered RFID technology during a supply chain management project. The efficiency of tracking items without direct contact felt like magic. Later, when I started working with NFC, I discovered how my natural aptitude for understanding wireless protocols helped me quickly grasp the differences and applications of both technologies. ### Technical Specifications of RFID NFC Cards **TIANJUN RFID NFC Cards** offer versatile solutions for various applications. Below are detailed technical parameters for our standard RFID NFC card: **Physical Specifications:** - Dimensions: 85.6mm × 54mm × 0.84mm (standard credit card size) - Material: PVC, ABS, PET, or paper (customizable) - Operating Temperature: -20°C to +70°C - Storage Temperature: -40°C to +85°C - Weight: Approximately 5-6 grams **RFID NFC Chip Specifications:** - Chip Model: NXP MIFARE Classic 1K (NTAG213/215/216 alternatives available) - Memory Capacity: 1KB EEPROM (NTAG213: 144 bytes, NTAG215: 504 bytes, NTAG216: 888 bytes) - Frequency: 13.56 MHz (HF) - Communication Interface: ISO/IEC 14443 Type A - Data Retention: 10 years minimum - Write Endurance: 100,000 cycles minimum - Read Range: Up to 10cm (depending on reader power) - Anti-collision: Yes - Security: 32-bit password protection (NTAG series) **Important Note:** These technical parameters are reference data. For exact specifications tailored to your specific needs, please contact our backend management team. ### Practical Applications and Entertainment Uses RFID NFC cards have transformed numerous industries. Personally, I've implemented them in access control systems where their reliability significantly improved security protocols. My technical background helped me customize these cards for specific client needs, particularly in integrating them with existing infrastructure. For entertainment applications, I've seen RFID NFC cards used creatively in: - Interactive museum exhibits where tapping cards reveals additional content - Escape rooms that use cards as part of puzzle mechanisms - Gaming conventions for quick attendee identification and access to exclusive areas - Smart business cards that direct people to di