The ACR1255U-J1 is a secure, portable Bluetooth® NFC reader designed for on-the-go smart card and NFC applications. Combining the latest 13.56 MHz contactless technology with Bluetooth® Low Energy (BLE) and USB connectivity, it enables seamless integration with both mobile devices and PCs. Its compact, rechargeable, and portable design makes it ideal for mobile authentication, access control, and inventory management anytime, anywhere.
Why Choose ACR1255U-J1?

Need a reliable Smart Card Reader?
Upgrade to secure, fast, and future-ready smart card authentication.
The ACR1255U-J1 Secure Bluetooth® NFC Reader is built for those who need flexibility on the go without compromising security. Operating at 13.56 MHz, it works seamlessly with contactless smart cards and NFC devices, supporting ISO 14443 A/B, MIFARE®, FeliCa®, and ISO 18092 tags, all at speeds of up to 424 Kbps. What makes it stand out is its dual interface. You can connect via Bluetooth® Low Energy (BLE) to mobile devices or use USB for PC-linked applications. This versatility makes it equally handy for mobile and desktop environments. Lightweight, compact, and powered by a rechargeable Lithium-ion battery, it’s designed for true portability. With firmware upgradability, it adapts easily to evolving technologies and future use cases.
On the security side, the ACR1255U-J1 comes with AES-128 encryption, ensuring safe wireless communication. It works seamlessly across Android™, iOS, Windows®, Linux®, and macOS®, making integration smooth no matter the platform. From hands-free verification and mobile payments to access control and inventory tracking, the ACR1255U-J1 is a secure, portable, and future-ready solution.
| Dimensions | 85 mm × 54 mm × 10 mm | |||
| Weight | 37.5 g (74.1 g with cable ± 5 g tolerance) | |||
| Color | White | |||
| Protocol | Bluetooth (Bluetooth Low Energy / Bluetooth 4.0) | |||
| Power Source | Rechargeable Lithium-ion Battery (charging through USB) | |||
| Protocol | USB CCID | |||
| Connector Type | USB Mini-B | |||
| Power Source | From USB port | |||
| Speed | USB Full Speed (12 Mbps) | |||
| Supply Voltage | 5 V | |||
| Supply Current | Max. 500 mA | |||
| Cable Length | 1 m, Detachable | |||
| Speed | 1 Mbps | |||
| Standard | ISO/IEC 18092 NFC, ISO 14443 Type A & B, MIFARE, FeliCa | |||
| Contactless Smart Card Interface | • Standard: ISO/IEC 18092 NFC, ISO 14443 Type A & B, MIFARE, FeliCa • Protocol: ISO 14443 T=CL for ISO 14443-4–compliant cards; T=CL Emulation for MIFARE Classic, ISO 18092, FeliCa and NFC tags • Operating Frequency: 13.56 MHz • Operating Distance: Up to 50 mm (depending on tag type) • Smart Card Read/Write Speed: 106 Kbps, 212 Kbps, 424 Kbps • Antenna Size: 45.60 mm × 42.00 mm |
|||
| Built-in Peripherals | • LED: 2 bi-color (Red and Blue, Red and Green) • Buzzer: Monotone |
|||
| Encryption | • In-device AES-128 Encryption Algorithm (CBC Ciphering Mode) • Firmware Upgrade: Supported (upgradeable through USB Interface) |
|||
| PC-linked Mode | • PC/SC • CT-API (through wrapper on top of PC/SC) |
|||
| Operating Conditions | • Temperature: 0 °C – 60 °C • Humidity: Max. 85% (non-condensing) • MTBF: 400,000 hrs |
|||