ACR122U USB NFC Reader

USB 2.0 Full Speed Interface CCID Compliance Smart Card Reader: 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, FeliCa, and all 4 types of NFC (ISO/IEC 18092) tags Built-in anti-collision feature (only 1 tag is accessed at any time) Application Programming Interface: Supports PC/SC Supports CT-API (through wrapper on top of PC/SC) Peripherals: User-controllable bi-color LED User-controllable buzzer Supports Android™ OS 3.1 and above