• Read/write speed up to 424 kbps
• Built-in antenna for contactless tag access, with card reading distance of up to 50 mm (depending on tag type)
• Supports ISO 14443 Type A and B cards, MIFARE® Classic, FeliCa, and all 4 types of NFC (ISO/IEC 18092) tags
• Built-in anti-collision feature (only 1 tag is accessed at any time)
• CCID Compliance
• USB 2.0 Full Speed Interface
• User-controllable bi-color LED
• User-controllable buzzer
• Supports PC/SC
• Supports CT-API (through wrapper on top of PC/SC)

 *  Tax & fright as per applicable
MOQ: 5 piece


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The ACR122U is a PC-linked contactless smart card reader/writer developed on the 13.56 MHz contactless technology. It is the world’s first CCID-compliant contactless card reader/writer that follows both ISO 14443 and ISO 18092. This device is designed to support not only Mifare and ISO 14443 Type A and B cards but also FeliCa and NFC tags.
By making use of up to 424 kbps for NFC tag access and full USB speed of up to 12 Mbps, ACR122U can read and write faster and more efficiently. Reader having built-in antenna for contactless tag access, with card reading distance of up to 50 mm Furthermore, ACR122U is also PC/SC compliant which allows inter-operability across different applications and platforms. You can experience the convenience in using ACR122U, with its compact size and the various features it offers, for applications such as payment, access control, time and attendance, and mass transit.

Dimensions 98 mm (L) x 65 mm (W) x 12.8 mm (H)
Weight 70 g
Interface USB Full Speed
Operating Distance Up to 50 mm (depends on the tag type)
Supply Voltage Regulated 5V DC
Supply Current 200mA (operating); 50mA (standby); 100mA (normal)
Operating Temperature 0-50 °C
Operating Frequency 13.56 MHz
Smart Card Interface Support ISO14443 Type A & B

MIFARE® Classic


4 types of NFC (ISO/IEC18092) tags

Compliance/Certifications ISO 14443, CE, FCC, KC, VCCI, PC/SC, CCID, RoHS, USB Full Speed

Microsoft WHQL: 2000, XP, Vista, 7, 8, Server 2003, Server 2008, Server 2008 R2, Server 2012

Operating System Support Win98, Win ME, Win NT 4.0, Win 2000, Win 2003, Win 2003 R2, Win XP, Win Vista, Win 2008, Win 7, Win 8

Win 2003 x64, Win 2003 R2 x64, Win XP x64, Win Vista x64, Win 2008 x64, Win 2008 R2 x64, Win 7 x64, Win 8 x 64, Win 2012 x64

Windows CE 5.0 and 6.0



Android 3.1 and above


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