ACR1251U USB 13.56 MHz NFC and MIFARE Contactless Reader
ACR1251U USB NFC Reader and Writer
This contactless reader utilizes NFC wireless technology and MIFARE. It connects to a PC via a USB port.
The ACR1251U NFC Reader II is a USB smart card reader developed for 13.56 MHz contactless technology. It is designed to support ISO 14443 Type A and B cards, MIFARE®, FeliCa, and all four types of NFC tags and devices. It features firmware upgradeability and includes a SAM slot for implementing additional security features in the contactless system.
- NFC Enabled – supports NFC Tags type 1-4 for various applications, NFC mobile phones, and NFC Peer-to-Peer (P2P) mode.
- PICC Support – ISO 18092 compliant (NFC), ISO 14443 Type A & B, MIFARE and FeliCa variants.
- Firmware Upgradeable – The field-upgradable firmware feature provides support for future enhancements.
- Cost-Effective – The ACR1251U is an economical reader for extensive sharing and promoting NFC technology to customers.
- Easy Integration – contactless interface compatible with PC/SC.
- SAM interface compliant with PC/SC.
- No driver required – CCID driver installs via Windows Update.
Specifications:
- Model: ACR1251U (ACR1251U-M1)
- Reading distance up to 50 mm (2 inches)
- Read/Write speed of up to 424 kbps
- Frequency: 13.56 MHz
- Contactless Smart Card Reader:
- Read/Write ISO 14443A/B speed of up to 424 kbps
- Clock frequency up to 13.56 MHz
- Built-in antenna for contactless tag access, with card reading distance of up to 50 mm (depending on tag type)
- Supports ISO 14443 Part 4 Type A and B cards, MIFARE Classic®, FeliCa, and all four types of NFC (ISO/IEC 18092 tags)
- Built-in anti-collision feature (only one tag is accessed at any time)
- Supports extended APDU (max. 64 KB)
- NFC Support: Card Reader/Writer mode or Peer-to-Peer mode.
- SAM Interface (inside the reader):
- One SAM Slot
- Supports ISO 7816 Class A, B, and C SAM cards.
- Application Programming Interface:
- Supports PC/SC.
- Peripherals:
- User-controllable bi-color LED (Blue & Green).
- User-controllable buzzer.
- USB Firmware Upgradability.
- USB 2.0 Full Speed Interface.
- CCID Compliance.
- Supported operating systems: Windows, MacOS, Linux, and Android 3.1 and higher.
- Keyboard Mode (HID): no.
- Dimensions: 98x65x13 mm (3.86x2.56x0.51 in).
Datasheet: https://www.acs.com.hk/download-manual/4413/TSP-ACR1251U-1.11.pdf
Installation CD: https://www.acs.com.hk/en/driver/218/acr1251u-usb-nfc-reader-ii/
API: https://www.acs.com.hk/download-manual/4414/API-ACR1251U-1.14.pdf
Package Contents:
1x ACR1251U contactless reader




