The ACR122U is a USB plug-and-play NFC (Near Field Communication) reader designed for applications requiring secure contactless communication. It complies with ISO/IEC 18092 for NFC, supporting both 13.56 MHz contactless cards and NFC tags. It’s widely used in access control, payment systems, time attendance, and identity verification.
This reader supports all three NFC modes – card reader/writer, card emulation, and peer-to-peer communication. It is compatible with Windows, Linux, and macOS, and can be used with software development kits (SDKs) to build custom smart card solutions. It offers LED and buzzer indicators, ensuring easy operation feedback.
Features
Plug-and-play USB NFC reader
Complies with ISO/IEC 18092, ISO 14443 Type A & B, MIFARE®, FeliCa
Supports 13.56 MHz contactless smart cards and NFC tags
High-speed communication up to 424 kbps
PC/SC compliant, compatible with existing smart card software
Built-in LED and buzzer indicators for easy operation feedback
Supports NFC reader/writer, peer-to-peer, and card emulation modes
Compact and lightweight design
Compatible with Windows, Linux, and macOS
USB 2.0 full-speed interface (12 Mbps)
