NTAG215 NFC Key Fob 13.56MHz Rewritable Tag 504 Bytes Memory Digital Business Card Sharing for Android iOS

The NTAG215 NFC key fob features 504 bytes of user memory — enough to store a full vCard, long URL, or smart home automation commands. Compatible with iOS Shortcuts and all NFC-enabled Android devices, a single tap triggers automated actions. Housed in durable ABS material with a metal key ring, it withstands daily wear and tear. Rated for over 100,000 write cycles and 10 years of data retention, with built-in 32-bit password protection to prevent unauthorized modification.Why This Product Is NOT an Access Card⚠️ This NTAG215 key fob is NOT an access card. Most building access systems use MIFARE or CPU encrypted chips, which are incompatible with the NTAG215 chip. This product cannot replace your existing door entry card, elevator key, or any encrypted access credential. Please use the original card issued by your property management for door access.IMPORTANT NOTICE — This product is NOT designed as an access control cardPlease read carefully before purchase. This NTAG215 NFC key fob is an open-standard NFC tag designed for data sharing, automation, digital business cards, and interactive applications such as Amiibo. It is NOT a substitute for most building access control systems or door entry cards.Why it cannot replace your existing access card:NTAG215 vs. Access Cards are fundamentally different chips: The vast majority of building access control systems use MIFARE Classic, MIFARE DESFire, or CPU cards — all of which employ proprietary encryption algorithms and mutual authentication protocols to secure door access. NTAG215 is an open NFC Forum Type 2 Tag chip with basic password protection only. These two chip families are not interchangeable. You cannot write an access card’s encrypted credential onto an NTAG215 tag and expect it to work.No universal cloning: Even if your existing access card appears to be readable by a phone (many modern phones can detect a card’s UID), that does NOT mean the card uses NTAG215 technology or can be replicated onto an NTAG215 tag. Most legitimate access systems employ encryption that locks the card’s data to a specific chip type and prevents copying.Potential system damage or security alerts: Attempting to use an unsupported tag on a properly configured access control system may trigger security alerts, or in rare cases, cause reader malfunctions. We strongly advise against any attempt to use this product for unauthorized access or cloning of existing credentials.What this product IS intended for (Core Use Cases):✔️ Digital business cards (vCard sharing via tap)✔️ Smart home automation triggers (lights, scenes, Wi-Fi setup)✔️ URL and social media link sharing for marketing campaigns✔️ Amiibo backup and management (compatible with TagMo)✔️ Storing Wi-Fi credentials for quick connection✔️ Personal automation — iOS Shortcuts: tap to open apps, send messages, play music, set alarmsWhat this product is NOT intended for:✘ Building access control / door entry (residential, office, hotel, elevator, turnstile)✘ Public transportation passes or payment systems✘ Any system using encrypted credentials or rolling codesAlternatives if you need access control functionality: If you are looking to replace a lost access card, please contact your building management or security office to obtain an official replacement directly from them. Products designed for access control typically use MIFARE Classic, MIFARE Plus, DESFire, or other encrypted chip solutions — not NTAG215.