LF RFID Key Fob – ABS – TK4100
Price range: $17.00 through $99.00
The TK4100 LF ABS RFID Key Fob is a 125kHz contactless tag enclosed in a compact and durable ABS plastic housing. It operates on the TK4100 chip, fully compatible with EM4100/EM4102 protocol, delivering stable, read-only performance with a unique 64-bit ID.
Designed for cost-effective identification, the key fob requires no internal power source and excels in short-range RFID use. Its rugged ABS shell ensures durability against daily wear and environmental factors, while the keychain design supports ease of integration into routine usage.
Chip Type: TK4100
Operating Frequency: LF 125 MHz
Communication Protocol: ISO/IEC 10536,ISO/IEC 11784,ISO/IEC 11785
ROM: 64 bits laser-programmable memory array
Compliance: WEEE Directive
Commonly used in basic access control, time attendance systems, parking management, and general identification tasks across industries like offices, schools, and residential complexes.
Label Dimensions
Download ‣
What is the LF RFID Key Fob?
The LF RFID Key Fob ABS TK4100 is a practical solution based on 125kHz low-frequency RFID technology, designed for essential identification use. Widely used in environments with electromagnetic interference or metal proximity, it delivers consistent short-range performance in a compact form.
Key Features
- Passive, read-only operation with a unique 64-bit ID
- Durable ABS plastic shell for long-term use
- Battery-free functionality for low maintenance
- Full compatibility with EM4100/EM4102 protocols
How Does It Work?
The key fob contains a TK4100 chip with a fixed 64-bit identifier. When it enters an LF reader’s electromagnetic field, it draws energy passively and transmits its ID. This ensures a reliable, no-power-required identification solution.
Applications and Benefits
- Access Control: Enables quick and secure identification for personnel or residents
- Time Attendance: Streamlines presence tracking in business or institutional settings
- Parking Systems: Facilitates hands-free vehicle entry and exit
- Public Amenities: Suitable for gyms, libraries, and low-cost token-based systems
LF RFID Key Fob ABS TK4100 offers a cost-effective, rugged, and easy-to-deploy identification solution for daily applications.
Learn more info :
EN 
JA 
ZH