IC CUID(GEN2) Rewritable Jewelry User Guide

(13.56MHz High-Frequency Encryption)

� Key Specifications

​Frequency: 13.56MHz

​Storage: 1K (16 sectors × 64 bytes)

​Rewrite Cycles: 10,000+

​**✅ Core Features**

Clone M1 Cards & Fudan FM1108

Copy ​non-encrypted access cards, payment cards, campus IDs.

Sector-Level Control

Read/write ​0-15 sectors for custom permissions (e.g., sector 8-10: balance, sector 12: user ID).

​**⚠️ Critical Limitations**

​Capacity Restrictions:

Does NOT support Mifare Plus 4K, DesFire, or any 2K+ chips.

​CPU Card Incompatibility:

Cannot emulate bank IC cards, e-passports, or smart CPU cards.

Industrial durability for daily wear.