RFID QR Code Access Control Reader | Wiegand RS485 RS232
RFID QR Code Access Control Reader | Wiegand RS485 RS232
Asia-Teco RFID + QR Code Access Control Reader
Upgrade your access control system with this powerful dual-mode RFID and QR Code reader from Asia-Teco. Combining 125 KHz EM card, 13.56 MHz Mifare card, and 1D/2D barcode scanning in one compact unit, this smart reader delivers lightning-fast identification in under 200 ms — making it ideal for high-traffic entry points, visitor management, and automated gates.
Engineered to the standard 86-box form factor (86 × 86 × 42 mm), it installs seamlessly in place of traditional card readers and connects to virtually any existing Wiegand input controller. With wide-voltage support (4–12 V), multi-interface compatibility, and automatic-induction triggering, this reader is a versatile upgrade for offices, communities, scenic areas, administrative halls, retail POS systems, self-service kiosks, and smart home entrances.
Made in Mainland China.
Key Features
- Dual-Mode Reading: Supports both RFID cards (EM 125 KHz & Mifare 13.56 MHz) and QR/1D barcodes simultaneously
- Fast & Accurate: Reading speed under 200 ms with 300×300 optical resolution and image decoding technology
- Universal Interface Support: Wiegand 26/34, RS232, RS485, TTL, and USB — compatible with virtually any access controller
- Wide Voltage Input: Operates on 4–12 V, making it adaptable to a range of power supplies
- Auto-Induction Trigger: Automatically activates when a card or code is presented; buzzer provides audible confirmation
- Rugged Build: PC housing with tempered glass scan window; operates in -20 °C to 70 °C and 10%–90% humidity
- Clear Status Indicators: Three-color LED (red = working, green = feedback, light green = network connected)
- OS Compatible: Works with Windows XP, 7, 8, 10, and Linux
- Easy Reset: Insert a pointed object into the rear Reset hole to restore factory settings
Technical Specifications
| Card Types Supported | EM (125 KHz) / Mifare (13.56 MHz) | Barcode Types | QR Code, 1D Barcode, 2D Barcode |
| Interfaces | Wiegand 26/34, RS232, RS485, TTL, USB | Decode Mode | Image Decoding |
| Operating Voltage | 4–12 V (wide input) | Working Current | 800 mA |
| Card Read Distance | 3–6 cm | QR Code Read Distance | 0–20 cm |
| Reading Speed | < 200 ms | Reading Direction | 45° angle, lens-centric |
| Optical Resolution | 300 × 300 | Scan Characteristics | Auto-induction & buzzer prompt |
| Material | PC + Tempered Glass (scan window) | Dimensions | 86 × 86 × 42 mm |
| Weight | 150 g | Operating Temperature | -20 °C to 70 °C |
| Humidity Range | 10%–90% | Compatible OS | Windows XP/7/8/10, Linux |
| Status LEDs | Red = Working | Green = Feedback | Light Green = Network | ||
Model Variants
| HM20-ID | QR 2D Barcode + EM 125 KHz RFID |
| HM20-IC | QR 2D Barcode + Mifare 13.56 MHz RFID |
Typical Applications
- Business office & building visitor entry management
- Community gate & residential access control
- Scenic area & tourism staff management
- Administrative hall & government service center access
- Retail POS & self-service kiosk integration
- Ticket verification & mobile coupon scanning
- Smart home entry systems
- Lottery & banking service terminals
For authoritative guidance on electronic access control standards and cybersecurity best practices for physical security systems, visit the NIST Cybersecurity Resource Center.
Frequently Asked Questions
Q: What RFID card frequencies does this QR code access control reader support?
A: This reader supports both 125 KHz EM cards and 13.56 MHz Mifare cards, depending on the model variant selected (HM20-ID or HM20-IC). It also reads QR codes and 1D barcodes, making it a comprehensive dual-mode access solution.
Q: Which communication interfaces are available on this RFID and QR code reader?
A: The reader supports Wiegand 26/34, RS232, RS485, TTL, and USB interfaces, ensuring broad compatibility with virtually any existing access controller or host system running Windows or Linux.
Q: How do I reset the QR code and RFID access reader to factory settings?
A: To restore factory defaults, insert a pointed object (such as a pin or paperclip) into the small Reset hole on the back of the unit. Hold it until the reader automatically restarts, which clears all custom settings and restores the original configuration.
Q: What is the reading range for RFID cards versus QR codes on this reader?
A: RFID cards (EM or Mifare) are detected at a distance of 3–6 cm, while QR codes and barcodes can be scanned from 0–20 cm away. Both modes respond in under 200 ms for fast, efficient access management.
Q: Can this reader be integrated into an existing access control system?
A: Yes. The standard 86-box form factor and universal Wiegand output (26 or 34-bit) allow this reader to replace most traditional card readers without rewiring. It connects to any Wiegand-compatible access controller, making it a straightforward upgrade for existing installations.