# Metal RFID Card: The Ultimate Guide to Durable Contactless Technology ## What Are Metal RFID Cards? **Metal RFID cards** represent a significant advancement in contactless identification technology. Unlike traditional plastic RFID cards, these specialized cards incorporate metal components or are constructed entirely from metal materials while maintaining full RFID functionality. As someone who has worked with access control systems for over a decade, I've witnessed firsthand how **metal RFID cards** have transformed security applications in challenging environments where plastic cards simply wouldn't survive. ## Technical Specifications and Performance Data ### Physical and Technical Parameters Based on my experience implementing these systems, here are the detailed technical specifications for premium **metal RFID cards**: **Physical Dimensions:** - Standard ISO/IEC 7810 ID-1 format: 85.6mm × 54mm × 0.8mm - Thickness variations available: 0.8mm to 1.2mm - Weight: 15-25 grams (depending on metal composition) - Corner radius: 3.18mm standard **RFID Chip Specifications:** - Frequency: 13.56 MHz (HF) or 860-960 MHz (UHF) - Chip models: NXP Mifare Classic 1K (MF1S503x), Mifare DESFire EV2 (MF2DExx), or Impinj Monza R6 (UHF) - Memory capacity: 1KB to 8KB user memory - Data retention: 10 years minimum - Write endurance: 100,000 cycles minimum - Operating temperature: -25°C to +70°C - Reading distance: 2-10cm (HF) or 1-8 meters (UHF) **Metal Composition and Construction:** - Outer layers: 304 or 316L stainless steel - Core construction: Metal-RFID inlay sandwich design - Surface finishing: Brushed, polished, or colored PVD coating - Edge treatment: Rounded and smoothed for safety *Note: These technical parameters are reference data. For exact specifications, please contact our backend management team.* ## My Professional Experience with Metal RFID Cards In my role as a security systems consultant, I've deployed **metal RFID cards** across multiple industries. One particularly memorable project involved equipping offshore oil rig workers with these durable cards. The extreme conditions—saltwater exposure, extreme temperatures, and physical abrasion—would destroy standard plastic cards within weeks. The **metal RFID cards** we implemented lasted for years without failure, significantly reducing