10/20PCS UID Smart Chip Card 13.56MHz NFC Clone Tag 1K S50 Rewritable ISO14443 Key

Unlock seamless access control, security management, and NFC cloning with the Anruhoo 13.56MHz UID Smart Chip Cards! Designed for Mifare 1K S50 standard systems, these rewritable NFC key tags offer high compatibility and easy customization, making them perfect for cloning, duplicating, and managing smart access cards.

🔹 Key Features & Benefits

✅ Fully Rewritable UID Block (Sector 0, Block 0) – Modify the unique identifier (UID) freely with compatible RFID reading & writing devices.
✅ 1K S50 Standard Compliance – Works just like a standard Mifare 1K card, with a storage capacity of 1KB for flexible data use.
✅ 13.56MHz Frequency – Designed for secure RFID and NFC applications in access control, hotel keycards, employee badges, and smart locks.
✅ Gen1 ISO14443 Compatibility – Fully supports ISO14443A for seamless integration into existing NFC systems.
✅ Durable & High-Quality Build – Made from premium materials for long-lasting use in high-traffic environments.

🛠️ Easy to Program & Clone

Unlike traditional IC cards, these UID cards allow direct modification of Block 0 (UID Block) using RFID cloning tools. While some mobile NFC apps support writing, we highly recommend using RFID readers/writers for stable performance.

🔑 Applications & Uses

✔ Access Control & Security – Clone and replace lost or broken access cards for offices, hotels, and parking systems.
✔ Smart Lock Systems – Use with compatible RFID door locks for home or business security.
✔ Employee & Student ID Badges – Program unique credentials for secure entry systems.
✔ Hotel & Membership Cards – Create customized cards for guest check-in and exclusive memberships.
✔ Automation & Custom NFC Projects – Ideal for hobbyists, developers, and businesses looking to integrate RFID solutions.

📦 What’s Included?

🔹 10PCS or 20PCS UID Smart Chip Cards (Your Choice!)

⚠ Important Notes

⚠ While some mobile NFC apps can write to UID cards, their performance may be unstable. We recommend using professional RFID writing devices for best results.
⚠ Default password: 12F, FFFFFFFFFFFF

🚀 Upgrade Your RFID/NFC Setup Today!

Whether you're managing access, replacing lost cards, or experimenting with NFC projects, these rewritable UID smart cards are the perfect choice for tech enthusiasts and professionals alike!