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EM4200 125KHz RFID Prox Card

The EM4200 RFID Card is a 125KHz prox card with a 128-bit UID, offering reliable performance and full compatibility with EM4100/4102 series for secure identification applications. As a prox card, it is suitable for a range of low-frequency RFID applications, including hotel room keys, asset tracking, logistics management, and basic supply chain traceability.

  1. 125kHz frequency ensures stable proximity card performance
  2. 128-bit UID ensures secure and unique identification
  3. Manchester Dual-Phase and PSK encoding flexibility
  4. Direct replacement for the EM4100/4102 and EM4005/4105
  5. Full-panel printable surface supports high-quality branding
  6. PVC material, durable and suitable for everyday use

 

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Descripción

The core of the EM4200 125KHz RFID card is the original EM4200 read-only chip. The EM4200 read-only chip uses a factory-programmed laser and has a unique 64-bit (10-digit hexadecimal) serial number, effectively preventing unauthorized tampering and ensuring each card has a unique identity. It supports Manchester, bi-phase, and PSK encodings. This prox card operates at a stable 125KHz low frequency and complies with ISO 11784/785 standards, with an effective reading distance of up to 6 centimeters. It can quickly and accurately collect data in high-traffic environments such as office building entrances, factory checkpoints, and hotel lobbies. Unlike read/write smart cards, its read-only design simplifies daily use and reduces system maintenance costs, making it an ideal RFID card for attendance tracking, access control systems, and basic personnel identification.

In addition to access control and attendance tracking, the EM4200 card is a versatile prox card suitable for a range of low-frequency RFID applications, including hotel room cards, asset tracking, logistics management, and basic consumer traceability. We also offer flexible customization options, including proximity blank cards for on-site printing and fully customized blank cards.

Why choose to use EM4200 125KHz RFID prox cards?

1. Trusted solution for Prox Card and access control projects
2 . Low-maintenance read-only chip reduces system complexity
3. Compatible with existing global infrastructure and readers
4  . Personalization ready with all major ID card printers
5  . Proven durability for hospitality and corporate programs

Product Parameters

EM4200 Card Specifications
Material PVC, PET, PET-G, PC
Size CR80 standard 86*54mm
Printing Blank Card, or Customized Printing
Thickness 0.8mm–0.9mm, 1.8mm
Chip EM4200
Working Frequency 125KHz
Interface RFID
Protocol ISO 18000-2, ISO 11784/85
EEPROM 128-bit UID
Reading Distance 0–50 cm
Function Read Only
Compatible Chip EM4100, TK4100, HT4168, 4100D
Lifetime >100,000 reads/writes, >10 years
Applications • Membership Card
• Casino Card
• Staff ID Card
• Student ID Card
• Hotel Key Card
• Fuel Card
• Cashless Payment Card
• Access Control Card
• Prox Card
• Public Transportation Card

Application Areas

Prox Card、Membership Cards、Casino Cards、Staff ID Cards、Student ID Cards、Hotel Key Cards、Fuel Cards、Cashless Payment Cards、Access Control Cards、Public Transportation Cards

Reasons to Choose HID® Proximity™ Card for Access Control

FAQ

1. Is the EM4200 card compatible with EM4100 and EM4102 readers?
Yes. The EM4200 card is fully compatible with the EM4100/4102 and EM4005/4105 series, allowing for seamless integration without requiring system modification.

2. Can the EM4200 card’s UID be rewritten or changed?
No. The EM4200 chip is a read-only device with a factory-programmed 128-bit unique identifier (UID) that cannot be altered, ensuring secure and tamper-proof identification.

3. What thickness options are available for the card? Can you produce non-standard sizes, such as keychain-style RFID Prox Cards?
The EM4200 supports Manchester, Dual-Phase, and PSK (Phase Shift Keying) encoding, providing excellent flexibility with different RFID readers and systems. For non-standard sizes, we can customize them according to your design drawings and ensure that the antenna layout meets the signal transmission requirements.

4. What materials and printing options are available for the EM4200 card?
DCCO Tech offers full-panel printable PVC cards that support dye-sublimation, thermal transfer, or UV printing for easy customization and high-quality branding.

5. Does the EM4200 prox card support additional features such as magnetic stripe or barcode/QR code lamination?
Yes, we support adding magnetic stripes and lamination for barcode/QR code to the EM4200 prox card. These additional features are processed on the non-antenna side of the card, so they will not interfere with the proximity identification function.

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