WiFi QR Code Scanner
Model: WS-SMD-QRCODE-WIFI
Product Overview
Utilizing advanced image sensing, illumination, and optical technology, it can omnidirectionally read 1D and 2D barcodes. Data is transmitted to remote systems via WiFi or RS-485 interface, achieving efficient data acquisition and management.
The product features an ARM Cortex-M0 core processor, equipped with a 0.96-inch OLED display, infrared sensor, full-color LED indicator, and buzzer, providing instant feedback and operational convenience.
Core Features
  • Supports barcode scanning on various materials
  • WiFi 802.11 b/g/n wireless transmission
  • RS-485 wired interface
  • Mobile App for quick QR code setup
  • High-sensitivity IR infrared sensing
Product Specifications
Communication Interface
WiFi 802.11 b/g/n
RS-485 Dual Interface
RJ-11 Port x2
Hardware Configuration
ARM Cortex-M0 Processor
0.96 inch OLED Display
Built-in Infrared Sensor
Power & Indicators
Working Voltage: 12～24V
Full-color LED Indicator x1
Buzzer x1
Wireless Performance
Transmit Power: 17.0dBm
Receive Sensitivity: -94.7dBm
Transmission Rate: 11Mbps
Application Areas
Inventory Management
Material cabinet scanning, rapid inventory, and real-time data transmission improve warehouse management efficiency and reduce manual errors.
Electronic Ticket Verification
Access control and event ticket scanning, supports mobile QR codes and paper barcodes for quick entry verification.
Logistics Management
Parcel scanning and tracking, efficient handling of multi-material barcodes, supports omnidirectional reading, improving logistics efficiency.
Wireless Data Transmission
WiFi and RS-485 remote reception, real-time data feedback, supports multi-device network management.
Technical Advantages
High Sensitivity IR Sensing
Built-in infrared sensor precisely reads various barcodes, accurately identifying them even when covered with film or slightly smudged. Automatic calibration function ensures high scanning success rate.
Multi-Material & Multi-Directional Support
Supports scanning of 1D and 2D barcodes on various materials such as paper, plastic, and metal surfaces. Omni-directional reading technology allows for rapid identification without precise alignment.
Dual Interface Data Transmission
WiFi 802.11 b/g/n wireless transmission and RS-485 wired interface provide dual options for convenient remote data transmission, adapting to different application environment needs.
Real-time Feedback System
The OLED display clearly shows scanning information, complemented by full-color LED indicators and a buzzer, providing immediate visual and auditory feedback to ensure operational accuracy.
High-Speed Processing Capability
Equipped with an ARM Cortex-M0 Core processor for fast decoding and data processing, ensuring quick scan response and improving work efficiency.
Installation and Operation Guide
Connect Power
Connect the device to a 12-24V power supply, ensuring stable power. Observe the LED indicator to confirm the device starts normally.
Network Setup
Choose to connect via the RS-485 wired interface or set up a wireless network connection via WiFi. Use the RJ-11 Port to connect the RS-485 cable.
Parameter Configuration
Use the mobile App to scan the device's QR code for quick setup, or manually configure scanning parameters via the OLED display and buttons.
Start Scanning
Place the barcode or QR code within the scanning area; the IR sensor will automatically trigger the scan. Data is automatically sent back to the remote system, completing data collection.
Interface and Connection Diagram
Hardware Interface Description
  • RJ-11 Port x2: RS-485 communication interface, supports daisy-chaining multiple devices
  • Power Interface: 12～24V DC power input
  • Buttons x2: Used for manual settings and function switching
  • OLED Display: 0.96 inch display, real-time display of scanning status and settings information
  • LED Indicator Light: Full-color LED provides visual feedback for scan success/failure
  • Buzzer: Audio prompt for scan results
Wireless Transmission Performance
1DSSS Transmit Power11CCK Transmit Power54OFDM Transmit Power1DSSS Receive Sensitivity11DSSS Receive...54OFDM Receive...-120-80-40040
The WS-SMD-QRCODER supports WiFi 802.11 b/g/n protocols, with a maximum transmission rate of up to 11Mbps. Excellent transmit power and receive sensitivity ensure stable wireless connectivity, suitable for various industrial and commercial environments.
Frequently Asked Questions
Can it scan laminated or dirty barcodes?
Yes. The device has a built-in high-sensitivity IR infrared sensor that can automatically correct and identify laminated, slightly dirty, or worn barcodes, ensuring a high success rate for scanning.
What are the WiFi transmission distance and speed?
The WiFi transmission distance depends on environmental factors, typically reaching 30-50 meters indoors. The maximum transmission speed is 11Mbps, which is sufficient for real-time data backhaul needs. Router placement can be adjusted according to the actual environment to optimize the signal.
How many devices can an RS-485 interface connect?
The RS-485 interface supports daisy-chain connections and can theoretically connect up to 32 devices. It connects through RJ-11 ports to achieve multi-point data acquisition and centralized management.
How do I perform initial setup?
The device supports two setup methods: using a mobile App to scan the QR Code on the device for quick configuration, or performing manual setup using the two buttons and OLED display on the device.
Technical Support & Downloads
Product Manual
Download the complete product user manual PDF, including detailed technical specifications, installation guides, and troubleshooting instructions.
Operation Tutorial App
Scan the QR code to download the accompanying mobile App for quick device setup and parameter configuration, supporting iOS and Android systems.
Installation Diagram
View detailed installation and connection diagrams, including power connection, RS-485 wiring, and WiFi network configuration steps.
For more technical support or product inquiries, please contact our professional team. We provide comprehensive pre-sales consultation and after-sales service to ensure your equipment runs smoothly.
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