125kHz EM4100&EM4200 RFID Card

The operating frequency of the EM4100 proximity card is 100 kHz~150 kHz. Each EM proximity card has a unique serial number. EM4100 proximity card is an ideal solution for access control and time attendance systems and does not require a high level of security.

Since the EM chip is not only compatible with the ISO 11784/11785 standard chip but also meets the ISO FDX/B animal identification standard, the chip can be widely used in various application management systems, especially animal identification and tracking management.

We provide blank cards and pre-printed cards.

  • 64-bit memory array laser programmable
  • Several options of data rate and coding available
  • On chip resonance capacitor
  • On-chip supply buffer capacitor
  • On chip voltage limiter
  • Full wave rectifier on chip
  • Large modulation depth due to a low impedance modulation device
  • Operating frequency 100 – 150 kHz, (125kHz)
  • Very small chip size convenient for implantation
  • Very low power consumption
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