RFID proximity Card 125khz EM4100

Overview

Unlock secure and efficient access control with the MOKWN RFID Proximity Card (125kHz, EM4100). This durable, credit-card-sized card is the industry standard for a wide range of identification and security systems. Featuring a passive, read-only EM4100 chip, it delivers reliable, contactless performance for access control, time attendance, and identification projects. Whether you're a hobbyist building a smart lock or a business upgrading your security infrastructure, these cards offer a simple and cost-effective solution.

Key Features

• 125kHz EM4100 Technology: Industry-standard, read-only RFID chip for reliable and consistent performance.
• Contactless Operation: Simply hold near a compatible reader for instant identification – no physical contact needed.
• Durable PVC Construction: Built to withstand daily use, resistant to bending and wear.
• Credit Card Size: Standard CR80 size (86x54mm) fits easily in wallets and standard ID card holders.
• Read Range: Up to 10cm (depending on the reader), providing convenient and quick access.
• Low Power Passive Design: No battery required, ensuring a long operational lifespan.

Technical Specifications

• Operating Frequency: 125 kHz
• Chip Type: EM4100 (Read-Only)
• Card Size: CR80 (86 x 54 mm)
• Card Thickness: 0.84 mm (standard)
• Material: PVC
• Read Range: Up to 10 cm (reader-dependent)
• Encoding: Factory-programmed unique ID (40-bit)

Applications & Use Cases

• Access Control Systems: Secure entry for offices, labs, and residential buildings.
• Time & Attendance: Track employee attendance with speed and accuracy.
• Identification: Employee badges, student IDs, and membership cards.
• Anti-Counterfeiting: Protect products or documents with unique RFID tags.
• DIY Projects: Build your own RFID-based lock, attendance tracker, or interactive art installation.
• Inventory Management: Track equipment and assets in warehouses or workshops.

What's Included

• 1x RFID Proximity Card (125kHz EM4100)

Compatibility

• Works with any 125kHz RFID reader that supports EM4100 protocol, such as RC522 (with 125kHz module), RDM630, and many commercial access control readers.

MOKWN Recommendation

For a complete RFID setup, pair these cards with our [RFID Reader/Writer modules] and [Arduino/ESP32 development boards]. They are an excellent choice for both prototyping and production deployments. For high-security applications, consider our [Mifare Classic 13.56MHz cards] for encrypted data storage.