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YINGHUA

YINGHUA Chain Guard Door Lock Metal Entrance 13.56mhz 122U

SKU CH-N5Q4-KW9YM

A 13.56 MHz NFC RFID reader/writer with USB interface for smart card copying and cloning

  • TypeChain Guard
  • MaterialMetal
  • FunctionEntrance
  • USB full-speed interface enables 12 Mbps data transfer
  • CCID-compliant design works with PC/SC applications across platforms
  • 56 MHz contactless technology reads MIFARE, ISO 14443 and FeliCa cards
  • Built-in antenna delivers up to 424 Kbps NFC read/write speed
  • Compact ACR122U reader suits access control, payment and attendance systems

NFC RFID Reader Writer

The ACR122U is a USB contactless smart card reader and writer operating at 13.56 MHz. It supports ISO 14443 Type A and B cards, FeliCa, and NFC tags for payment, access control, and identification tasks.

PC/SC CCID USB Device

The unit connects via USB full speed up to 12 Mbps and requires no separate power supply. Its built-in antenna enables contactless tag access while the CCID and PC/SC compliance ensures driver-less operation on major operating systems.

Developers Integrating Contactless Apps

This reader suits engineers adding NFC or RFID functions to kiosks, attendance systems, or ticketing prototypes. Buyers needing long-range UHF inventory scanning or battery-powered mobile credential encoding should look elsewhere.

Highlights

  • USB full-speed interface enables 12 Mbps data transfer
  • CCID-compliant design works with PC/SC applications across platforms
  • 56 MHz contactless technology reads MIFARE, ISO 14443 and FeliCa cards
  • Built-in antenna delivers up to 424 Kbps NFC read/write speed
  • Compact ACR122U reader suits access control, payment and attendance systems

Specifications

TypeChain Guard
MaterialMetal
FunctionEntrance

Questions about this item

What is the maximum read and write speed for NFC tag access on the ACR122U reader?

The ACR122U supports up to 424 Kbps read/write speed for NFC tag access at 13.56 MHz.

How much power does the ACR122U draw when connected to a USB port all day?

It runs on USB full-speed power at up to 12 Mbps, so it draws only the standard bus current with no external supply needed.

Which operating systems and drivers are required before the ACR122U will work?

The reader is CCID and PC/SC compliant, so it works with standard drivers on Windows, Linux and macOS without extra installation.

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