Zkteco TK4100D ID Card Thin 125kHz Proximity RFID

The ZKTeco TK-4100D Thin Type 125kHz Proximity RFID Card is a highly popular, budget-friendly contactless smart card used primarily for building security, employee tracking, and automated attendance systems. Operating on a low-frequency (LF) 125kHz band, this card features a pre-programmed, read-only unique identification number that seamlessly integrates with a vast range of standard RFID reader systems. 

• Operating Frequency: 125 kHz (Low Frequency)
• Chip Type: TK4100 (EM4100 protocol compatible, read-only, non-rewritable)
• Dimensions: 85.6 mm x 54 mm (Standard CR80 credit card size)
• Thickness: 0.8 mm (Thin type profile)
• Material: High-quality, waterproof, and scratch-resistant PVC
• Operating Temperature: -20°C to +50°C
• Read Range: Typically 2 cm to 10 cm (depending heavily on the reader antenna) 

• Universal Compatibility: Works with standard ZKTeco standalone biometric terminals and third-party 125kHz EM readers. Note: It is incompatible with HID prox readers or 13.56 MHz high-frequency NFC systems. 
• Thermal Printable Surface: The blank white glossy PVC finish allows businesses to customize cards with corporate logos, staff photos, and employee names using dye-sublimation card printers (such as Zebra, Fargo, or Evolis).
• Cost-Effective Security: The pre-encoded chip eliminates the hassle and time of manual programming, making it a reliable plug-and-play solution for large-scale enterprise deployments.
  
  Primary Applications
  • Access Control: Unlocking magnetic door locks and turnstiles upon proximity tap.
  • Time & Attendance: Clocking staff check-in and check-out times on corporate biometric terminals.
  • Patrol Systems: Tracking security personnel check-points during facility rounds