Adopts original NTAG Ultralight EV1 chip with standard 13.56MHz operating frequency, compliant with ISO/IEC 14443-3 protocol. It provides 48 Bytes user rewritable memory, Manufacturer programmed 7-byte UID for each device,supports 100,000 write cycles and features 10-year long-term data retention to secure your stored information steadily.
Made of premium solid PVC material, the card is waterproof, bend-proof, scratch-resistant and durable for frequent repeated use. Standard credit card size fits most card readers and card sleeves perfectly, while the matte blank white surface supports thermal sublimation for personalized logo, text and pattern customization.These uncoated EV1 cards are perfectly compatible with UV printers, retransfer & direct-to-card thermal printers and all-in-one lamination card printers, featuring scratch & alcohol resistance, longer RFID read range, cost efficiency and non-yellowing glossy surface, yet they cannot be printed directly by ordinary household inkjet printers.
Designed with contactless energy supply and data transmission, the maximum reading distance reaches 100mm with matched readers. Built-in anti-collision function allows multiple cards to be identified simultaneously without signal interference, paired with 16-bit CRC data check to avoid data loss during transmission.
Equipped with comprehensive security mechanisms including page lock read-only setting, 32-bit OTP one-time programmable area, configurable password protection with failed attempt limit, anti-tearing protection for counters and lock bits, plus ECC originality signature to prevent unauthorized tampering and data leakage.
Widely applied to access control, temporary visitor authorization, event admission tickets, amusement park passes, membership loyalty cards, campus temporary access and personal independent NFC DIY programming projects. Users can write self-owned legal content freely for private customized usage.(Suitable for personal NFC DIY programming projects. You can read content links from pre-programmed NFC cards via NFC Tools on iOS or Android devices, then write these valid links onto our blank rewritable NFC cards. The newly programmed card will function steadily after successful data writing. Note that the card requires formatting beforehand prior to any DIY programming operation.)
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