# NFC Business Card: Revolutionizing Professional Networking ## What is an NFC Business Card? An **NFC business card** is a smart, physical card embedded with a Near Field Communication (NFC) chip. Instead of just printed text, it allows you to share your digital contact information, portfolio, website, or social media profiles instantly when tapped against an NFC-enabled smartphone. From my personal experience transitioning from traditional paper cards, the moment I handed my first NFC card to a potential client at a tech conference, the immediate "wow" factor and seamless connection it facilitated were undeniable. It didn't just share information; it started a conversation about innovation. ## The Technology Behind NFC Cards: My Technical Dive My journey into understanding this technology began as a hobby, merging my interest in electronics with networking. I discovered that creating a functional NFC tag required more than just buying a chip; it involved understanding protocols and data formats. Here are the detailed technical specifications for a typical NFC business card product, based on my research and hands-on testing with various models: **Technical Parameters & Specifications (Reference Data):** * **Chip Type:** NXP NTAG® 213 / NTAG® 215 (Commonly used for URL sharing) * **Chip Code:** NXP MF1ICD21/ MF1ICD41 (Example for NTAG213) * **Memory Capacity:** 144 bytes / 504 bytes (NTAG213 / NTAG215 respectively) * **Communication Frequency:** 13.56 MHz * **ISO Standard:** ISO 14443 Type A * **Data Transfer Rate:** 106 kbit/s * **Operating Distance:** Typically up to 10 cm (optimal within 3-4 cm) * **Dimensions (Card):** Standard CR80 size: 85.6 mm × 54 mm × 0.76 mm * **Dimensions (Chip Module):** Approx. 6 mm × 6 mm × 0.5 mm (embedded within card layers) * **Write Cycles:** Up to 100,000 times (for rewritable models) * **Data Retention:** Up to 10 years > **Important Note:** These technical parameters are for reference and educational purposes based on common industry components. Exact specifications, compatible chip sets, and custom integration capabilities depend on the specific product and manufacturer. For precise technical data and OEM inquiries, please contact our backend management team. ## Why I Believe NFC Cards Are the Future: A Personal Opinion In my view, the traditional paper business card is becoming a relic. It's static, easily lost, and environmentally taxing. An **NFC business card**, however, is dynamic, sustainable, and incredibly efficient. It reflect