RFID QR Code Barcode Access Control Reader Wiegand RS485 RS232
Asia-Teco RFID + QR Code Access Control Reader — Smart, Fast & Versatile
Upgrade your entry management system with the Asia-Teco R35D/R35C Dual-Mode Access Control Reader. This next-generation smart card and barcode reader combines 125 kHz RFID (EM cards) or 13.56 MHz RFID (Mifare cards) with QR code and 1D/2D barcode scanning in a single compact 86-box form-factor device. With lightning-fast read speeds under 200 ms and broad interface compatibility, it integrates seamlessly into virtually any existing access control infrastructure.
Made in Mainland China.
Why Choose This Reader?
- Dual-Mode Scanning: Reads both RFID cards (EM 125 kHz or Mifare 13.56 MHz) and QR/1D/2D barcodes in a single unit — no need for separate devices.
- Ultra-Fast Performance: Read speed under 200 ms with auto-induction triggering and audible beeper confirmation for instant feedback.
- Universal Interface Support: Compatible with Wiegand 26/34, RS232, RS485, TTL, and USB — connects to virtually any access controller on the market.
- Wide Voltage Input: Operates on 4–12 V DC, making it easy to integrate into existing power supplies.
- Durable Construction: Polycarbonate housing with a tempered glass scan window for long-lasting reliability in high-traffic environments.
- Wide Operating Range: Functions in temperatures from -20°C to 70°C and humidity from 10%–90% — suitable for indoor and semi-outdoor installations.
- Standard 86-Box Form Factor: Fits standard wall-mount junction boxes for clean, professional installation.
- Multi-OS Compatible: Works with Windows XP, 7, 8, 10, and Linux systems.
Key Specifications
| Card Type | EM (125 kHz) or Mifare (13.56 MHz) | Barcode Type | QR Code, 1D & 2D Barcodes |
| Interfaces | Wiegand 26/34, RS232, RS485, TTL, USB | Decode Mode | Image Decoding |
| Operating Voltage | 4–12 V DC (wide input) | Working Current | 800 mA |
| RFID Read Range | 3–6 cm | QR Code Read Range | 0–20 cm |
| Read Speed | < 200 ms | Reading Angle | Camera-centric ±45° |
| Operating Temperature | -20°C to 70°C | Humidity | 10%–90% RH |
| Material | PC + Tempered Glass | Dimensions | 86 × 86 × 42 mm |
| Weight | 150 g | Status Indicators | Red (working), Green (feedback), Light Green (network) |
| Operating Systems | Windows XP / 7 / 8 / 10, Linux | ||
Model Variants
| Model HM20-ID | QR 2D Barcode + EM (125 kHz) RFID |
| Model HM20-IC | QR 2D Barcode + Mifare (13.56 MHz) RFID |
Ideal Applications
- Office building visitor entry management
- Residential community gate access control
- Scenic area and venue staff/visitor management
- Administrative hall and government service center access
- Turnstile gates and smart home integration
- Retail POS and cashier stations
- Self-service kiosks and ticketing machines
- Mobile coupon and loyalty card scanning
- Bank and lottery station verification
Factory Reset
To restore factory settings, insert a sharp object into the Reset hole on the back of the reader and hold until the device automatically restarts.
For more information on access control and physical security standards, visit the NIST Identity & Access Management resource page.
Frequently Asked Questions
Q: What RFID card frequencies does this access control reader support?
A: This reader supports two configurations: the HM20-ID model reads 125 kHz EM cards, while the HM20-IC model reads 13.56 MHz Mifare cards. Both models also scan QR codes and 1D/2D barcodes simultaneously.
Q: Which communication interfaces are supported for connecting to an access controller?
A: The reader supports Wiegand 26/34, RS232, RS485, TTL, and USB interfaces, giving it broad compatibility with virtually any brand of access control panel or door controller on the market.
Q: What is the maximum QR code scanning distance?
A: The reader can scan QR codes and barcodes at distances of 0 to 20 cm, with a camera-centric reading angle of ±45°. RFID card reading range is 3–6 cm.
Q: Can this reader be used outdoors or in harsh environments?
A: Yes. With an operating temperature range of -20°C to 70°C and humidity tolerance of 10%–90% RH, it is well-suited for lobbies, covered entryways, and semi-outdoor installations. The tempered glass scan window and PC housing provide added durability.
Q: Is this reader compatible with smart home or modern access control software?
A: Absolutely. The reader supports Windows (XP, 7, 8, 10) and Linux operating systems. Its Wiegand output makes it a plug-and-play upgrade for most existing access control systems, as well as a strong fit for new smart home setups.