125KHz TK4100 Blank PVC Proximity Cards for Access Control & Attendance Systems

Product Introduction: TK4100 PVC White Card

Size: 85.5×54×0.84mm. Non-standard sizes are also available upon request.  

Thickness: 0.84mm ~ 0.9mm. Thicker options can be customized.  

Material: White PVC. Other materials such as PET and transparent PVC are also available.  

Reading Distance: 5~12cm. The exact distance depends on the card design and reader performance.  

Surface Finish: Glossy, Matte and frosted finishes are also available.  

ID Code: 18-digit internal ID code. Other ID formats can be printed upon request.  

Customization: We offer customization services based on customer requirements, including different sizes, shapes, and colors. Card printing content, such as logos and text information, can also be customized.  

Operating Temperature: -20℃ to 50℃.  

Packaging: 200pcs/ box, 2000pcs/ctn 

Weight: 7g/pcs, 14kg/ctn

Introduction to TK4100 Chip

Storage Capacity: 64 bits, including 9 start bits, 40 data bits (8 manufacturer information bits + 32 user data bits), 14 row and column check bits (10 row checks + 4 column checks), and 1 stop bit.

Operating Frequency: 125 kHz

Read Range: 5–20 cm. The exact range depends on the card design and reader performance.

Operating Temperature: -20°C to 50°C

Chip Features: Read-only card; cannot be replicated. The internal code is randomly assigned at the time of shipment.

Application Scenarios of ID Cards

Access Control Management: Used in access control systems for enterprises, schools, residential communities, and other venues to quickly identify and manage personnel entry and exit.

Attendance Systems: In companies and factories, employees use the card to clock in and out, recording their working hours accurately.

Patrol Systems: Security personnel use the card to record their arrival at patrol points during rounds, ensuring the standardization of patrol duties.

Corporate All-in-One Card System: Integrates multiple functions such as access control, attendance, and payment into a single card, facilitating internal management within enterprises.

Logistics Management: Used to label goods for rapid identification and tracking, improving logistics efficiency.

Animal Identification: In livestock breeding and other fields, the card is used to identify and manage animals.

Meeting Sign-in: Participants use the card to sign in at meetings, recording attendance information and increasing sign-in efficiency.