Key Features:
USB‑A interface with CCID/PC‑SC compliance for plug‑and‑play
Supports ISO 14443 A/B, MIFARE®, FeliCa, and NFC Forum types 1–4
Includes ISO 7816 Class A SAM slot for secure key management
Offers NFC modes: reader/writer, card emulation, and peer-to-peer
Firmware upgradeable via USB and features bi-color LED / buzzer
FIDO-enabled for secure passwordless authentication
Reads/writes up to 424 kbps with up to 50 mm proximity range
The ACS ACR1252U‑M1 is a USB-connected NFC Forum‑certified smart card reader designed for contactless and NFC (13.56 MHz) applications. Supporting ISO 14443 Type A/B cards (including MIFARE® and FeliCa), it also offers card emulation and peer-to-peer modes. It includes a SAM slot for secure authentication and allows firmware updates via USB, supporting FIDO authentication and voice-guided use.
Specifications:
Brand: ACS (Advanced Card Systems)
Model: ACR1252U‑M1
USB Interface: USB 2.0 Full Speed (Type A), CCID, PC‑SC
Operating Frequency: 13.56 MHz
Supported Standards: ISO 14443 A/B, ISO 18092 NFC, ISO 7816 (SAM)
Communication Modes: Reader/Writer, Card Emulation, Peer-to-Peer
Max Data Rate: 424 kbps
SAM Slot: 1 × SIM-sized, ISO 7816 Class A
Proximity Range: Up to 50 mm (depending on tags)
LED: Bi-color red/green user-controlled
Buzzer: Monotone, user-controlled
Power: USB-powered, max 200 mA
Physical Size: 98 × 65 × 12.8 mm; Weight ~81 g
Cable: 1 m fixed USB cable
Environmental: 0 °C–60 °C, ≤90 % RH
Certifications: NFC Forum, EMVCo, FeliCa, PC/SC, CCID, CE/FCC/RoHS etc.
