The ACR122S Serial NFC Reader is a reliable and efficient device designed for contactless applications. With its sturdy design and RS-232 serial interface, it supports a wide range of NFC and RFID applications such as transportation, e-payment, and access control. Easy to integrate and highly secure with a built-in SAM slot, it’s the perfect choice for industries that require dependable NFC-based solutions.
Why Choose ACR122S?
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The ACR122S Serial NFC Reader is a high-performance device designed for secure contactless applications over RS-232 interface. It complies with ISO/IEC 18092 (NFC) standards and supports popular technologies such as ISO 14443 Type A and B, MIFARE®, FeliCa™, and NFC Forum Tag Types 1–4. Equipped with a built-in SAM (Secure Access Module) slot, it provides advanced security for transactions and authentication. The reader also features two status LEDs and a buzzer, offering intuitive user interaction. With data transfer rates up to 424 kbps and an operating distance of up to 50 mm, the ACR122S delivers speed, accuracy, and reliability in demanding environments.
Its serial RS-232 interface makes it ideal for integrating with kiosks, vending machines, POS terminals, and access control systems. Compact, durable, and versatile, the ACR122S is the go-to choice for businesses implementing NFC-based solutions.
| Physical Characteristics | |
| Dimensions | 120.5 mm (L) × 72.0 mm (W) × 20.4 mm (H) |
| Weight | 148 g |
| Color | Metallic Blue |
| Serial Host Interface | |
| Protocol | RS-232 |
| Connector Type | DB-9 Connector |
| Power Source | From USB port |
| Speed | 9.6 Kbps (default), 115.2 Kbps |
| Supply Voltage | 5 V |
| Supply Current | Max. 200 mA |
| Cable Length | 1.5 m (Fixed, DB9 + USB) |
| Contactless Smart Card Interface | |
| Standard Compliance | ISO/IEC 18092 NFC, ISO 14443 Type A & B, MIFARE, FeliCa 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) |
| Read/Write Speed | 106 Kbps, 212 Kbps, 424 Kbps |
| Antenna Size | 55 mm × 67 mm |
| SAM Card Interface | |
| Number of Slots | 1 Standard SIM-sized Card Slot |
| Standard | ISO 7816, Class A (5 V) |
| Protocol | T=0 |
| Read/Write Speed | 9.6 Kbps – 344 Kbps |
| Card Connector Type | SAM Slot: Contact |
| LED & Peripherals | |
| LED | 2 single-color LEDs: Red and Green |
| Buzzer | Monotone |
| Operating Conditions | |
| Temperature | 0°C – 50°C |
| Humidity | Max. 90% (non-condensing) |
| MTBF | 500,000 hrs |
| Certifications / Compliance | |
| Standards | ISO 7816 (SAM Slot), ISO 14443, ISO 18092, CE, FCC, RoHS 2, VCCI (Japan), KC (Korea) |
| Device Driver Operating System Support | |
| Supported OS | Windows® 2000, Windows® XP, Windows Vista®, Windows® 7, Windows® Server 2003, Windows® Server 2003 R2, Windows® Server 2008, Windows® Server 2008 R2, Linux® |
