
ACR1251U Reader&Writer
The acr1251u NFC Reader is a PC-linked contactless smart card reader/writer developed based on the 13.56 MHz Contactless (RFID) Technology. Supports ISO 14443 Type A and B cards, MIFARE, FeliCa, and all 4 types of NFC (ISO/IEC 18092) tags Supports MIFARE 7-byte UID, MIFARE Plus and MIFARE DESFire
Category: NFC Card / Device

Features:
USB 2.0 Full Speed Interface
CCID Compliance
USB Firmware Upgradability
Smart Card Reader:
Read/Write speed of 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
Supports MIFARE 7-byte UID, MIFARE Plus and MIFARE DESFire
Built-in anti-collision feature (only one tag is accessed at any time)
One ISO 7816-compliant SAM slot
Application Programming Interface
Supports PC/SC
Supports CT-API (through wrapper on top of PC/SC)
Built-in Peripherals:
User-controllable bi-color LED
User-controllable buzzer
SAM Slot
acr1251u:
https://www.acs.com.hk/en/products/218/acr1251u-usb-nfc-reader-ii/