QR Code & NFC Reader – Model R500 (LAN Interface & SDK)

The R500 is a QR Code and RFID card reader (Access Control Reader) commonly used in door access control systems, parking barriers, and time attendance solutions.

Connectivity & Interfaces (from rear panel)

• Top Port: USB for connection to PC or control box
• Bottom Terminal Block:
  • 12V / GND: DC 12V power input
  • 485A / 485B: RS485 communication port for long-distance data transmission
  • WG0 / WG1: Wiegand signal output for card/code data to main controller

Technical Specifications

• Barcode Types Supported: QR Code, Data Matrix, PDF417, GS1 Databar, Code 128/EAN128, UPC/EAN, Codabar, Code 39, Code 93, and other 1D/2D codes
• RFID Types Supported: 13.56 MHz frequency, compatible with Mifare Ultralight, S50, S70, DESFire EV1, and NTag cards
• Reading Distance:
  • QR Code: from 5 cm
  • RFID Card: from 4 cm
    
    
• Communication Interfaces: Wiegand (switchable W26 / W34 / W66), RS485, USB
• Power Supply: DC 12V (±5%) or USB 5V
• Dimensions: 86 × 86 × 50 mm (standard wall-mount box size)
• Operating Environment: -10°C to 50°C, humidity 20%–80%

Special Features

• 360° Wide-Angle Scanning: High-performance CMOS sensor enables fast, accurate scanning of smartphone screens and barcodes from any direction.
• Dynamic QR Code Support: Compatible with ticketing or visitor management systems where QR codes refresh every minute, preventing code reuse.
• Dual Authentication in One Device: Combines barcode scanning and RFID card reading in a single unit, saving space and offering flexible user options (employees use RFID cards, visitors use QR codes).
• High Compatibility: Standard Wiegand output allows seamless integration with most access controllers available in the market.

QR Code And NFC Reader Model R500 Lan Interface And SDK