ACS NFC ACR122U RFID Contactless Smart IC Card Reader

General Information

• Product Name: ACR122U USB NFC Reader
• Manufacturer: Advanced Card Systems Ltd. (ACS)
• Technology Standard: Near Field Communication (NFC)
• Interface: USB Full Speed
• Operating Frequency: 13.56 MHz
• Compliance: ISO 14443 Type A and B, MIFARE®, FeliCa, and NFC tags (ISO/IEC 18092 standard)

Key Features

1. Contactless Operation:
   • Supports 13.56 MHz contactless smart card interface.
   • Fully compliant with ISO 14443 A/B standards.
2. High Performance:
   • Read/Write speed up to 424 kbps.
   • Built-in anti-collision feature for multiple card support.
3. NFC Compatibility:
   • Supports peer-to-peer communication (ISO 18092).
   • Compatible with MIFARE Classic®, FeliCa®, and NFC Forum Type 1-4 tags.
4. Compact Design:
   • USB-powered, no external power supply required.
   • Small form factor, portable for desktop and mobile applications.
5. Ease of Use:
   • Plug-and-play via USB interface.
   • PC/SC compliant for ease of integration with software and applications.
6. Security:
   • It supports the ISO 7816-3 SAM (Secure Access Module) slot for enhanced security (optional).

Technical Specifications

1. Communication Interface:

• Host Interface: USB 2.0 Full Speed (12 Mbps)
• Supply Voltage: Regulated 5V DC (USB-powered)
• Current Consumption: Up to 200mA (operating)

2. Contactless Smart Card Interface:

• Standards:
  • ISO 14443 Part 4 Type A and B
  • MIFARE® and MIFARE® DESFire®
  • FeliCa®
  • NFC (ISO/IEC 18092)
• Operating Frequency: 13.56 MHz
• Data Transfer Rate: Up to 424 kbps
• Anti-Collision: Yes (auto-detection of multiple tags)
• Operating Distance: Up to 50 mm (depends on tag type)

3. SAM (Secure Access Module):

• Slot Type: ISO 7816-3 (T=0, T=1 Protocol) [Optional]
• SAM Slot Voltage: 5V, 3V, 1.8V

4. Physical Specifications:

• Dimensions: 98.0 mm (L) × 65.0 mm (W) × 12.8 mm (H)
• Weight: Approx. 70g
• Casing Material: ABS Plastic

5. Operating Environment:

• Operating Temperature: 0°C to 50°C
• Storage Temperature: -20°C to 70°C
• Operating Humidity: 10% to 90% (non-condensing)

6. Driver Support:

• Operating Systems: Windows®, Linux®, macOS®, Android™
• Driver Standards: PC/SC, CCID compliant

Supported Cards

1. MIFARE® Cards:
   • MIFARE Classic® 1K / 4K
   • MIFARE Ultralight® / Ultralight C
   • MIFARE DESFire®
2. ISO 14443 Type B Cards
3. FeliCa® Cards
4. NFC Tags (Type 1 to 4)

Software Support

• SDK Availability: The Software Development Kit is available for customization and integration.
• Supported APIs: PC/SC, CT-API (through wrapper on top of PC/SC)

Applications

• Identity verification
• Access control
• e-Payment systems
• e-Ticketing for events and public transportation
• Loyalty and membership programs
• NFC peer-to-peer communication