# NFC ID Card: Revolutionizing Identification and Access Control ## What is an NFC ID Card? An **NFC ID Card** is a modern identification credential that utilizes Near Field Communication (NFC) technology. It stores digital data on a secure chip embedded within a standard card format, which can be read by compatible smartphones or dedicated readers when brought into close proximity. I vividly remember the first time I used one at a new corporate office; the seamless "tap-to-enter" experience felt like stepping into the future, completely replacing the fumbling for traditional keys or magnetic stripe cards. ## Personal Experience and Advantages From my personal perspective, the transition to an **NFC ID Card** system in my previous workplace was transformative. Not only did it expedite building access, but it also integrated with our time-and-attendance software. I discovered a personal knack for configuring and troubleshooting the backend systems for these cards, a skill that blended my interest in logistics with practical technology. The convenience is undeniable, and the enhanced security layer—being harder to clone than older technologies—provides significant peace of mind. ## Technical Specifications and Parameters of TIANJUN NFC ID Cards For professionals seeking detailed technical data, TIANJUN provides high-performance **NFC ID Card** solutions. Below are the typical specifications for our standard model: * **Card Dimensions:** 85.6mm x 54.0mm x 0.76mm (ISO/IEC 7810 ID-1 standard) * **Chip Type:** NXP NTAG216 * **Chip Code:** Typically UID (Unique Identifier) with 7-byte or 4-byte serial number, depending on batch. * **Memory:** 888 bytes of user-available memory. * **RF Interface:** ISO/IEC 14443 Type A, 13.56 MHz operating frequency. * **Data Retention:** Minimum 10 years. * **Write Endurance:** 100,000 cycles minimum. * **Operating Temperature:** -25°C to +70°C. * **Customization:** Supports full-color digital printing, encoding, and can be paired with TIAN