TK4100 Access Control Proximity Card Clamshell RFID ID Card
What Is the TK4100 Clamshell Proximity Card?
The TK4100 RFID proximity card is a 125kHz low-frequency access control card widely used in commercial buildings, residential complexes, and office environments. Designed with a clamshell structure for durability, it offers reliable performance and compatibility with most HID proximity card readers.
This card is ideal for organizations looking for a cost-effective, HID-compatible, and custom-printable solution for managing employee or visitor access.
Key Features of Our RFID Proximity Card
125kHz Low-Frequency Chip (TK4100)
- Built-in TK4100 chip with a unique, unchangeable UID
- Compatible with most HID and EM4100 readers
- Ideal for use in secure access control systems
Clamshell Design with Printable Surface
- Made from high-quality PVC and ABS composite
- Sturdy, tamper-resistant shell with a glossy surface
- Supports photo ID or branding with inkjet or thermal printing
Flexible Customization Options
- OEM support for logo printing, barcode, or serial number
- Encode with facility codes or custom UID series
- Compatible with your existing RFID card management system
Common Use Cases & Applications
| Industry | Use Case |
| Corporate Offices | Employee badge access, visitor registration |
| Hospitality & Hotels | Room entry, pool/gym access, staff zones |
| Education & Campus | Student/faculty ID with controlled area access |
| Construction Sites | Temporary worker entry tracking |
| Building & Facility Management | Door locks, elevators, parking lots |
Technical Specifications
| Feature | Details |
| Chip Type | TK4100 (read-only UID, 64-bit) |
| Frequency | 125kHz (LF RFID) |
| Protocols | Compatible with EM format, HID-compatible |
| Card Type | Clamshell RFID card |
| Dimensions | 85.5 × 54 × 1.8 mm |
| Material | ABS + PVC (rigid composite) |
| Finish | Glossy – supports inkjet, thermal transfer printing |
| Read Range | 2–10 cm depending on reader |
| Operating Temperature | -25°C to +55°C |
| Mounting Options | Key slot or badge clip (optional) |
| Customization | UID, logo, barcode, serial number, encoding |
Why Choose Our TK4100 Proximity Card?
- 100% HID-Compatible – Works seamlessly with existing proximity systems
- Durable Clamshell Construction – Rigid body resists bending and wear
- Customizable Printing – Add logos, employee IDs, barcodes, and more
- Fast Turnaround & Bulk Discounts – OEM services available
- Tested & Certified – Quality-controlled and globally distributed
Whether you’re upgrading your current RFID system or launching a new access control deployment, our TK4100 cards provide the reliability, affordability, and security you need.
Request a Free Sample or Custom Quote
Need durable, HID-compatible Proximity Card for your project or building access system?
Get a free sample or request bulk pricing with full OEM options today.
Frequently Asked Question
The top questions about Proximity Card.
Yes. The TK4100 chip is HID-compatible and works with most 125kHz proximity card systems.
No. TK4100 cards are read-only with a fixed UID, ensuring tamper resistance and high reliability.
Absolutely. The glossy clamshell surface supports inkjet or thermal printing and can include photos, barcodes, serial numbers, and more.
Yes. We offer full UID programming and custom facility code encoding services on bulk orders.
Related Products
Customize any types RFID tags from our factory to meet your own requirements.