ACS ACR123S Intelligent Contactless Reader
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Starting at $217.00
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The ACR123S is a versatile contactless smart card reader designed for integration into POS systems, cash registers, or kiosks. It supports ISO 14443-4 cards—including MIFARE and DESFire—and is compliant with major payment schemes like MasterCard PayPass and Visa payWave.
Core Features
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Dual connectivity: Uses a serial RS-232 interface (via RJ45) for data and USB for power supply.
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Powerful hardware: Runs on an ARM Cortex-M3 processor for reliable performance.
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Contactless capabilities: Read/write speeds—up to 848 kbps; read range up to ~50 mm; built-in anti-collision.
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Secure SAM support: Includes three SIM-sized ISO 7816-compliant SAM slots for secure key storage.
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Interactive interfaces: Equipped with a 128 × 64-pixel graphical LCD (16x8 characters), four LEDs (blue, yellow, green, red), tri-color backlit tap area, and speaker for audio feedback.
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Added convenience: Includes a micro-SD card slot (e.g., for logging or configurations).
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Robust design: Compact, desktop-friendly housing with optional stand; tamper switch and real-time clock for security.
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Future-ready: Firmware can be upgraded in-field to stay current with evolving standards.
Technical Specifications
| Feature | Detail |
|---|---|
| Interfaces | Serial RS-232 (RJ45) for data; USB for power (5 V DC) |
| Processor | ARM Cortex-M3 |
| Contactless Standard | ISO 14443-4 A & B; MIFARE; PayPass; payWave |
| Speed | Up to 848 kbps |
| Read Range | Up to ~50 mm |
| SAM Slots | 3 × ISO 7816 slots (T=0/T=1) |
| Display & Feedback | LCD, LEDs, tri-color light ring, speaker |
| Extras | Micro-SD slot, tamper detection, RTC |
| Dimensions & Weight | ~159×100×21 mm; ~281 g (506 g with stand) |
| Power | USB-powered, typical current up to ~500 mA |
| Ambient Conditions | 0–50°C operating |
| Certifications | ISO 14443, EMV L1/L2, PayPass, payWave, CE, FCC, RoHS, REACH |
Typical Use Cases
Perfect for environments needing secure, fast, and interactive contactless transactions:
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Point-of-sale payment terminals
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Loyalty programs or e-wallet systems
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Transit ticketing access
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e-health applications and secure sign-on
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Bank teller or self-service kiosks requiring NFC transaction support
Summary
The ACR123S is a feature-rich, intelligent contactless reader tailored for modern payment and authentication scenarios. It combines robust security, flexible interfacing, and intuitive user feedback in a compact, tamper-resistant desktop design.
| Manufacturer | ACS |
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