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RFID Proximity Card | TK4100/EM4200

Our TK4100 and EM4200 RFID cards are reliable, cost-efficient 125kHz proximity cards designed for seamless contactless access control and identification. Both chips offer identical performance and are compatible with most standard low-frequency RFID systems. These cards are ideal for use in residential and office buildings, parking lots, and elevators.

  • Chip Type: TK4100 / EM4200 (read-only).

  • Frequency: 125 kHz (LF – Low Frequency).

  • Memory: 64-bit unique read-only UID.

  • Material: PVC / PET / ABS / Recycled options available.

  • Size: CR80 standard (85.6 × 54 mm).

  • Thickness: 0.76 mm (ISO standard).

  • Reading Distance: 2–10 cm depending on reader and enviroment.

  • Compatibility: Works with all 125kHz EM-format readers.

  • Customization: Offset or silkscreen printing, UID printing, barcode.

  • Applications: Access systems, visitor badges, elevator control.

Frequently Asked Questions (FAQ): TK4100 / EM4200 RFID Cards

1. What are TK4100 and EM4200 cards used for?

These are low-frequency 125kHz RFID cards used for simple, secure and fast access control or identification. Whether you're managing employee access, residential building entry, or parking systems, these cards provide a low-cost, maintenance-free solution that integrates easily with existing RFID infrastructures.

2. Are TK4100 and EM4200 chips the same?

Yes. TK4100 and EM4200 are functionally equivalent chips that follow the same communication protocol (EM4100 compatible). Both work identically in 125kHz RFID systems, and choosing between them usually depends on supplier availability or branding preference.

3. Can these cards be printed with my design and logo?

Yes! We offer complete customization options for your proximity cards, including logo printing, background design, serial number or UID printing, and even barcodes or QR codes. You can choose from full-color offset or cost-effective silkscreen printing, depending on your visual and technical needs.

4. Can I order TK4100 / EM4200 cards in different formats?

Definitely. These chips are available not only as PVC cards, but also as RFID key fobs, adhesive tags, and wristbands, ideal for events, gyms, clubs, or gated communities.

5. How many cards do I need to order?

Our minimum order quantity for customized TK4100 / EM4200 cards is 500 units. We can provide blank cards or pre-encoded UID cards in smaller quantities upon request.

6. Are these cards waterproof and long-lasting?

Yes. These are durable, sealed cards that are waterproof, dust-resistant, and temperature-tolerant. They’re designed for daily use even in outdoor or humid environments.

7. What is the typical lead time?

Standard production takes 7–10 working days, and express options are available. We ship globally and can accommodate urgent deadlines depending on your project needs.

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