Unlock the ultimate convenience of RFID technology with the 10PCS Rewritable RFID 13.56MHz CUID UID Blank Cards — the perfect choice for access control, secure cloning, and advanced smart card applications. Designed for professionals and tech enthusiasts, these changeable UID clone cards work with compatible 13.56MHz card writers, offering flexibility and precision in custom RFID deployments.
Unlike standard UID cards, these CUID cards allow programming of the UID’s Block 0 — letting you duplicate or change card identities as needed. Ideal for system developers, security technicians, or hobbyists, they provide high compatibility with Mifare Classic S50 standards and superior durability thanks to their waterproof design.
These blank white cards are not just tools — they’re a gateway to smarter, more secure access control solutions.
🔹 Key Features
Rewritable UID Cards — Block 0 (UID’s block) can be arbitrarily modified for cloning or customization.
High Compatibility — Works with normal Mifare Classic S50 readers and writers (13.56MHz).
Professional Use — Ideal for developers, access control, and security system applications.
Durable & Waterproof — Built for long-term use in various environments.
Standard Size — 85.5 × 54 × 0.8mm, fits most card readers.
Frequency — 13.56MHz for stable and reliable operation.
⚙ Specifications
Brand: 5YOA
Model Number: 10CardUID
Chip Type: UID
Card Size: 85.5 × 54 × 0.8mm
Response Frequency: 13.56MHz
Waterproof: Yes
Material: PVC
Quantity: 10PCS
Note: Requires compatible 13.56MHz UID writer — not compatible with Mifare Classic Tools (MCT) or direct NFC phone writing.
