The ACR-122U NFC Desktop Reader is a powerful and reliable contactless card reader and writer, designed for a wide range of applications utilizing the 13.56 MHz frequency. This device provides seamless connectivity via a USB interface, making it ideal for use in environments such as cashless payments, access control systems, public transportation, network authentication, and contactless data exchange.
Its lightweight, compact design makes it a perfect addition to any desktop environment, providing ease of use for both personal and professional settings. With plug-and-play functionality, installation is straightforward, allowing users to quickly set up the reader without the need for extensive technical knowledge.
The ACR122U NFC Reader is a PC-linked contactless smart card reader/writer developed based on 13.56 MHz Contactless (RFID) Technology. Compliant with the ISO/IEC18092 standard for Near Field Communication (NFC), it supports not only MIFARE® and ISO 14443 A and B cards, but also all four types of NFC tags.
ACR122U is compliant with both CCID and PC/SC. Thus, it is a plug-and-play USB device allowing interoperability with different devices and applications. With an access speed of up to 424 kbps and a full USB speed of up to 12 Mbps, ACR122U can also read and write more quickly and efficiently. The proximity operating distance of ACR122U is up to 5 cm, depending on the type of contactless tag in use.
In order to increase the security level, ACR122U can be integrated with an ISO 7816-3 SAM slot. Furthermore, the ACR122U NFC Reader is available in module form, permitting easy integration into bigger machines, such as POS terminals, physical access systems and vending machines.
| Physical Characteristics | |
| Dimensions (mm) | 98.0 mm (L) x 65.0 mm (W) x 12.8 mm (H) |
| Weight (g) | 70 g |
| USB Interface | |
| Protocol | USB CCID |
| Power Source | From USB port |
| Speed | USB Full Speed (12 Mbps) |
| Cable Length | 1.0 m, Fixed |
| Contactless Smart Card Interface | |
| Standard | ISO/IEC 18092 NFC, ISO 14443 Type A & B, MIFARE®, FeliCa |
| Protocol | ISO 14443-4 Compliant Card, T=CL |
| MIFARE® Classic Card, T=CL | |
| ISO18092, NFC Tags | |
| FeliCa | |
| Built-in Peripherals | |
| LED | 1 bi-color: Red and Green |
| Buzzer | Monotone |
| Certifications/Compliance | |
| Certifications/Compliance | EN 60950/IEC 60950 |
| ISO 18092 | |
| ISO 14443 | |
| USB Full Speed | |
| PC/SC | |
| CCID | |
| VCCI (Japan) | |
| KC (Korea) | |
| Microsoft® WHQL | |
| CE | |
| FCC | |
| RoHS 2 | |
| REACH | |
| Device Driver Operating System Support | |
| Device Driver Operating System Support | Windows® CE |
| Windows® | |
| Linux® | |
| MAC OS® | |
| Solaris | |
| Android™ | |

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4.8 out of 5