Smart card reader ACS ACR1255U-J1 with NFC, USB 1.1 interface, 1 m cable, white

ACS ACR1255U-J1 is a compact smart card reader with NFC support designed for reading and writing 13.56 MHz contactless smart cards and NFC tags. The unit includes a 1 m USB cable and comes in white, weighing approximately 37.5 g. It provides both USB Full Speed (USB 1.1/Full Speed compatible) and Bluetooth Low Energy connectivity for flexible use with PCs, smartphones and tablets, and supports common card standards for authentication, access control, e‑payments and secure data exchange.

Advantages

The reader supports ISO 14443 Type A and B, MIFARE® and FeliCa® cards as well as most NFC devices compliant with ISO 18092, enabling broad interoperability across contactless card ecosystems. It offers wireless operation via Bluetooth Low Energy and wired operation via USB Full Speed, plus field-upgradeable firmware to adapt to evolving requirements. AES-128 encryption for Bluetooth connections and PC/SC and CCID compliance for USB operation simplify secure integration with a variety of platforms and applications.

Suitable for

• Mobile and desktop authentication for physical and logical access control
• Contactless e-payment and ticketing systems
• Secure data exchange and identity verification
• Inventory tracking and NFC-based asset management
• Development and testing of NFC-enabled applications

Key specifications

• Frequency: 13.56 MHz contactless operation
• Supported standards: ISO 14443 Type A and B, ISO 18092 (NFC), MIFARE®, FeliCa®
• Interfaces: Bluetooth Low Energy and USB Full Speed (USB 1.1 compatible)
• Contactless data rate: up to 424 kbps
• Power: built-in rechargeable Lithium‑ion battery for portable use and USB power for PC operation
• Physical: 1 m USB cable included; colour: white; weight ~37.5 g
• Compliance: PC/SC and CCID compatible for plug-and-play on supported systems

How to use

For mobile operation, pair the reader with a Bluetooth-enabled smartphone or tablet using the device’s Bluetooth settings and an application that supports NFC reader services; AES-128 encrypted connection provides secure wireless communication. For PC operation, connect the reader via the supplied 1 m USB cable and install appropriate drivers if required; the reader supports PC/SC and CCID standards for compatibility with common desktop software. Present a compatible contactless card or NFC tag to the reader’s sensing area to read or write data; firmware updates can be applied in the field to maintain feature parity with changing system requirements.

Recommendations

Use the USB connection for continuous desktop operation and the Bluetooth mode for mobile or on-the-go scenarios. Keep the reader’s firmware up to date to ensure compatibility with new card types and security updates, and recharge the internal battery regularly when using wireless mode to avoid interruptions.