Categories
Dual QR Code & RFID Recognition: Fast image decoding for QR codes alongside 125KHz (EM) and 13.56MHz card sensing.
Multiple Communication Interfaces: Supports international standard Wiegand 26/34, RS232, RS485, and TTL serial protocols.
Wide Operating Power: Operates reliably across a DC 9V–24V range with efficient low standby current (< 30mA).
Enhanced Scanning Range: Offers up to 30 cm QR code reading distance and 3–5 cm card sensing distance with 360° rotation coverage.
Durable Tempered Glass Design: Built with a sleek tempered glass code window and integrated fill light for reliable operation.
Brand:
S4AItem NO.:
S4A-QR703S4A-QR703 QR Code Access Card Reader
The S4A-QR703 is an advanced QR code and RFID access control reader designed for modern door access control systems. Featuring image decoding for 2D QR codes and dual-frequency card support (125KHz ID / 13.56MHz IC), it integrates seamlessly into security environments via international Wiegand 26/34, RS232, RS485, and TTL communication protocols. Built with a tempered glass code window and wide DC 9V–24V power compatibility, the S4A-QR703 provides fast, reliable access management.
| Parameter | Specification |
| Model Number | S4A-QR703 |
| Product Name | QR Code Access Card Reader |
| Application | Door Access Control System |
| Power Supply | DC 9V–24V |
| Operating Current | Standby < 30mA; Fill Light ≤ 100mA |
| Communication Interfaces | Wiegand 26/34, RS232, RS485, TTL, UART |
| RFID Frequency | 125KHz / 13.56MHz (ID / IC Options) |
| Supported Card Types | EM Card 125KHz, Optional 13.56MHz Card |
| Decoding Mode / Working Mode | Image Decoding / QR Code + Swipe Card |
| Sensing Distance | Card: 3–5 cm | QR Code: 5–30 cm |
| Reader Interval | 0.2 s |
| Reading Angle | 360° Rotation; Elevation ±55°; Deflection ±55° |
| Scanning Angle | 72° (Horizontal), 54° (Vertical), 84° (Diagonal) |
| Material | Tempered Glass (Code Window) |
S4A User Manual_Wiegand QR Code Reader
> IC 13.56MHz Cards+QR code (Wiegand 26/34output)> Built-in TCP/IP and USB port> Material: PC and Tempered glass> Voltage: 4~15V> Dimension: 86x86x42mm
>Swipe speed:<200 milliseconds>Wiegand output: 26 bits/34 bits>Software version: V7.107 or above>Hardware driver: V8.92 or above>Output power: DC12v 10OomA (power supply lock and card reader)
> ID 125KHz Cards+QR code (Wiegand 26/34output)> Built-in TCP/IP and USB port> Material: PC and Tempered glass> Voltage: 4~15V> Dimension: 86x86x42mm
> ID 125KHz Cards+QR code (Wiegand 26/34output)> Built-in TCP/IP and USB port> Material: PC and Tempered glass> Voltage: 4~15V> Dimension: 86x86x42mm
> IC 13.56MHz Cards+QR code (Wiegand 26/34output)> Built-in TCP/IP and USB port> Material: PC and Tempered glass> Voltage: 4~15V> Dimension: 86x86x42mm
Dual Scanning & Card Recognition: Reads QR codes and barcodes up to 30 cm, and RFID cards (125KHz/13.56MHz) up to 5 cm. Multi-Protocol Communication: Supports international Wiegand 26/34, RS232, RS485, and TTL serial port protocols. IP68 Waterproof & Rugged Build: Constructed with tempered glass and metal housing for full outdoor durability. Wide-Angle 360° Scanning: Features a 360° rotation angle, 84° diagonal scan angle, and integrated night fill light. Flexible Power Supply: Supports DC 9V–24V input with low standby power consumption (< 30mA).
Plug-and-Play USB Interface: Drives via standard USB DC 5V with HID keyboard output for driverless setup and fast data transmission. Dual-Frequency RFID Support: Compatible with both 125KHz and 13.56MHz card protocols (EM, M1, Desfire, 15693, SONY card, NFC). Comprehensive Barcode & QR Scanning: Reads 2D QR codes and standard barcodes at distances from 5 to 30 cm with rapid response time (< 100ms). Wide-Angle Coverage: Offers 360° rotation, 84° diagonal scanning angle, and integrated fill light for reliable performance in low-light environments. Compact & OEM Ready: Lightweight 100g design with full support for OEM customization.
ES-140A: Fail-secure type (Power to unlock)ES-140B: Fail-safe type (Power to lock)> Lock Size: 149Lx28Wx31H(mm)> Strike Struiture: Stainless Steel> Holding Force: 250kg> Voltage: DC12V> Current: 240mA(ES-140A) 120mA(ES-140B)
S4A appreciate any of your inquiries and sincerelyhope to enjoy a fruitful long-term business relationship with youto share in the mutual benefits, If you have any questions, please feel free to contact us.
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