1. Chip model: tk4100           

2. Storage capacity: 64 bit,           

3. Working frequency: 125 kHz           

4. Reading and writing distance: 2.5-10cm           

5. Reading and writing time: 1--2ms           

6. Working temperature: - 20 --85            

7. Erasure life: unlimited reading           

8. Data storage: more than 10 years           

9. Overall dimension: 85.6x54x1.80mm           

10. Packaging materials: PVC, ABS, pet, PETG, 0.13MM copper wire           

11. Packaging technology: ultrasonic automatic wire planting / automatic touch welding