ACR122U-A9 USB NFC Reader Technical Spec: Physical Characteristics Dimensions (mm) 98.0*65.0*12.8 Weight (g) 70.0 Processor Processor 8-bit Embedded Platform - Operation Mode PC-Linked Yes Standalone - POWER USB Powered Yes Battery Powered - External Power Adapter - Host Interface USB (Full Speed) Type A Serial (RS232) - Contactless Smart Card Interface ISO 14443 Type A and B Yes ISO/IEC 18092 (NFC) Yes MiFare Yes FeliCa Yes Smart Card Read/Write Speed (Kbps) 106, 212, 424 Reading Distance (mm) 30 FeliCa Mobile Devices - Extended APDU Support - Secure Mifare Key Storage - NFC Reader/Writer Mode Yes NFC Peer to Peer (P2P) - NFC Card Emulation Mode - Contact smart card Interface ISO 7816 (class A,B and C) - MCU cards, T=0 and T=1 - Smart Card Read/Write Speed (kbps) - Memory Third-Party Application - Data Storage - Upgradeability USB Firmware Upgrade - Built-In Peripherals LCD Resolution - Graphical LCD for Multiple Languages - Keypad - LED 1 bi-colour Buzzer Yes SAM slot - Tamper Switch - Real Time Clock - Certifications / Compliance PC/SC Yes CCID Yes WHQL Yes EMV Level 1 and 2 (Contactless) - NFC Forum Certification Mark - FIPS 201 Yes Germany nPA - LASCOM (Japan) - CE, FCC Yes VCCI Yes MIC (Japan) Yes KC Yes RoHS 2 Yes Support OS Platforms Windows Yes Mac OS X Yes Linux Yes Android Yes
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.
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