Seamless Connectivity, Everyday Elegance
（Compatible with Major ID Cards & HID Credentials）
� Key Specifications
Chip Model: ATA T5577（Industrial-grade reliability）
Frequency: 125kHz（Ensure your reader supports this band）
Write Cycles: ≥10,000（Cost-effective for long-term use）
**✅ Core Features**
1. Broad Compatibility with ID Card Formats
Cloneable Models: TK4100, EM4100, EM4305, etc.
Use Cases: Corporate access control, warehouse logistics tags, timekeeping systems.
2. Custom HID Credential Writing
Supported Protocols:
▶ HID26（H10301）
▶ HID35（CORP1000）
▶ HID37（H10304/H10302）
Flexibility: Integrate with HID access systems without reissuing cards.
3. 10,000+ Rewrites
Update permissions dynamically（e.g., employee offboarding/role changes）.
Reduce card management costs and material waste.
**⚠️ Before Use**
1. Device Compatibility Check
Only works with 125kHz low-frequency readers（not 13.56MHz NFC devices like smartphones）.
2. Encryption Limitations
Clones non-encrypted ID card numbers only.
Recommended Workflow
Test Original Card: Confirm it’s unencrypted using a reader.
Write to Ring: Use a T5577-compatible writer（e.g., RFIDeas）.
Field Test: Verify ring functionality at doors/gates.
Why Choose This Ring?
Factory Workers: Replace disposable tags with a durable ring.
Property Managers: Issue temporary access without physical cards.
Gym Owners: Simplify member check-ins with waterproof wearables.
Designed for reliability, built for real life.