EM Microelectronic

Innovative RFID & NFC IC supplier from EM Microelectronic. UHF (EM4325), HF (EM4423 dual-frequency), and LF transponders for access control, logistics & brand protection. Global solutions.
  • Date
    June 9, 2026

    The TK4100 EM4100 125KHz Blank RFID ID Printable Card is a high-performance 125KHz LF RFID Blank ID Card designed for large-scale access control, asset tracking, and attendance management systems. Produced by DO RFID READER, it provides reliable performance for professional industrial systems. It features:

    • Reliable 125KHz Low-Frequency Operation: Powered by the TK4100 chip, this card offers consistent read performance for environments requiring close-range but interference-free identification, ideal for high-traffic employee gates and secure area entrances.
    • Seamless Protocol Compatibility: Fully compatible with EM4100/EM4200 protocols, this blank card integrates easily into existing RFID infrastructures without additional system modifications, reducing deployment complexity for bulk applications.
    • Durable PVC Construction: Made from waterproof and durable PVC, the card withstands daily wear in industrial and corporate settings, making it suitable for long-term use in membership programs and identification badges.
  • Date
    June 8, 2026

    The TK4100 EM4100 125KHz Blank RFID Business Card Name Thick Card is a high-performance 125kHz passive RFID card designed for bulk access control and asset tracking deployments. Produced by DO RFID READER, it provides reliable performance for professional industrial systems. It features:

    • Durable PVC Construction: The thick 1.8mm material ensures enhanced physical resilience in demanding environments like warehouses and factories.
    • Read-Only Protocol Compatibility: This chip supports EM4100 and EM4200 protocols for seamless integration into legacy and standard 125kHz infrastructures.
    • Cost-Efficient Deployment: The 64-bit fixed memory provides a reliable, low-cost solution suitable for large-scale asset tagging and personnel identification.
  • Date
    June 8, 2026

    The Atmel T5577 125KHz Rewritable Blank RFID Printable Card is a high-performance rewritable LF RFID card designed for access control and secure identification in industrial environments. Produced by DO RFID READER, it provides reliable performance for professional industrial systems. It features:

    • Durable PVC Construction: The waterproof and robust PVC material ensures long-term reliability in outdoor or harsh industrial settings such as parking lot access and personnel identification.
    • Rewritable Memory with Security: With 256 bits of rewritable user memory and password protection, the card supports secure data updates and reliable operation in multi-card environments with anti-collision support.
    • Printable Surface for Customization: Compatible with dye-sublimation and thermal transfer printers, enabling on-demand printing of logos, employee photos, or serial numbers for enterprise deployment.
  • Date
    May 26, 2026

    The Advertisement machine double frequency module 13.56mhz&125k&NFC work card is a high-performance RFID reader module designed for advertising machines, integrated LCD terminals, and access control systems. Produced by DO RFID READER, it provides reliable performance for professional industrial systems. It features:

    • Dual-Frequency Compatibility: Operates at 125KHz and 13.56MHz, supporting EM4100, MIFARE Classic, and NTAG cards for flexible system integration.
    • Compact SMT Design: Module size of 69mm × 27mm × 4mm enables easy embedding into space-constrained terminal equipment like advertising machines and electronic locks.
    • Versatile Communication Interfaces: Supports USB, TTL, RS232, and Wiegand 26/34 protocols, simplifying connection to various host controllers and legacy systems.
  • Date
    May 26, 2026

    The 125Khz LF RFID Card Reader Module is a high-performance RFID Card Reader Module designed for access control, attendance, and anti-theft systems. Produced by DO RFID READER, it provides reliable performance for professional industrial systems. It features:

    • 125kHz Low-Frequency Operation: Supports EM4100/TK4100 cards, ensuring stable reading in high-interference environments.
    • Wiegand 26/34 Interface: Compatible with standard access controllers, enabling easy integration into existing security networks.
    • Compact Board Design (51×37×1mm): Fits directly into control panels or embedded enclosures for space‑saving installation.
  • Date
    May 25, 2026

    The EM4100 TK4100 EM4200 TTL Port 125Khz RFID Reader OEM PCB Module is a high-performance 125kHz RFID reader module designed for access control and attendance systems. Produced by DO RFID READER manufacturer, it provides reliable performance for professional industrial systems. It features:

    • 125kHz Frequency: Ensures consistent reading of standard EM4100/TK4100 cards for secure access and identification.
    • Wiegand 26/34 Interface: Enables direct integration with existing access control panels and controllers, simplifying system deployment.
    • Compact PCB Design: Allows easy embedding into OEM enclosures, ideal for space-constrained industrial or commercial equipment.
  • Date
    May 24, 2026

    The USB Desktop RFID Reader is a high-performance 125kHz desktop proximity RFID reader designed for efficient card enrollment in access control systems. Produced by DO RFID READER, it provides reliable performance for professional industrial systems. It features:

    • USB Interface Integration: Connects directly to a PC for fast data transfer and eliminates manual card number entry during issuance.
    • 125kHz Read Range: Reliably reads EM4100/TK4100 proximity cards and key fobs up to 10 cm, suitable for high-traffic badge enrollment.
    • Fast Read Speed: Processes each card in 0.2 seconds, enabling rapid volume enrollment in industrial access control workflows.
  • Date
    May 24, 2026

    The Small Size Mini USB RFID Reader from DO RFID Reader is a high-performance 125 kHz USB RFID smart card reader designed for access control, parking management, and personal identification systems. It features:

    • Extended Read Range: Delivers a reliable read distance of 5–10 cm (up to 10 cm), enabling efficient non-contact identification in entry and attendance applications.
    • Plug-and-Play USB Interface: Operates on standard DC 5V via USB, eliminating the need for external power adapters and simplifying integration into existing workstations or access panels.
    • Compact Form Factor: Measures only 75 mm × 21 mm × 7 mm, allowing flexible installation in space-constrained environments such as door frames, kiosks, or desktops.
  • Date
    May 23, 2026

    The Mini USB RFID Reader is a high-performance 125kHz Proximity RFID Reader designed for access control and automated identification systems, produced by DO RFID Reader, providing reliable performance for professional industrial systems. It features:

    • Fast Read Speed: Achieves card reading in 0.2 seconds, ensuring efficient throughput in high-traffic access points.
    • Extended Read Range: Offers up to 80mm reading distance for convenient and consistent card detection in typical desktop or wall-mounted installations.
    • Wide Operating Temperature: Functions reliably from -25°C to 75°C, making it suitable for outdoor or harsh industrial environments.
  • Date
    May 23, 2026

    The Wholesale 13.56Mhz long range USB Interface desktop RFID reader nfc Card Reader IC Smart Card RFID Reader is a high-performance USB desktop RFID card reader designed for automated card enrollment and data entry in access control systems. Produced by DO RFID READER, it provides reliable performance for professional industrial systems. It features:

    • Dual Frequency Support: Operates on 125kHz or 13.56MHz to read EM, Mifare, and other common card types, enabling seamless integration into diverse access control environments.
    • High-Speed Reading: Achieves read speeds of 0.2 seconds per card, significantly reducing wait times during bulk issuance or high-traffic check-in operations.
    • USB Plug-and-Play: Connects directly to a PC via USB without driver installation, eliminating manual card number entry and streamlining data capture for industrial applications.
  • Date
    May 23, 2026

    The ID 125khz USB Interface smart card rfid reader with keyboard is a high-performance 125kHz USB RFID reader with integrated keyboard designed for computer-based access control and data entry systems. Produced by DO RFID READER, it provides reliable performance for professional industrial systems. It features:

    • Plug-and-Play USB Integration: Connects directly to a computer via USB without additional drivers, enabling immediate card data output into software applications.
    • Rapid Card Data Reading: Achieves read times under 200ms for fast and efficient data capture, suitable for high-throughput environments.
    • Multi-OS Compatibility: Supports Windows, Linux, and Android operating systems for flexible deployment across diverse industrial setups.
  • Date
    May 23, 2026

    The Desktop DIP 125KHz RFID Smart Card Reader Without Driver is a high-performance 125kHz RFID desktop smart card reader designed for automated access control and identification systems in industrial environments. Produced by DO RFID Reader manufacturer, it provides reliable performance for professional industrial systems. It features:

    • Dual‑Frequency Support: Operates at both 125 kHz and 13.56 MHz, enabling compatibility with EM4100, TK4100, and Mifare protocol cards for versatile system integration.
    • Plug‑and‑Play USB: Connects directly via USB without any driver installation, reducing deployment time and simplifying large‑scale rollouts.
    • Fast Close‑Range Reading: Achieves reading distances up to 100 mm with a response interval under 0.5 seconds, ensuring rapid tag detection in high‑throughput environments.