2D QR Code Scanner Module for Access Control TTL RS485 WG26/34
2D QR Code Scanner Module for Access Control TTL RS485 WG26/34
Asia-Teco 2D Barcode & QR Code Scanner Module for Access Control Systems
Upgrade your entry management setup with this professional-grade embedded 2D barcode and QR code scanner module from Asia-Teco. Designed for seamless integration into access control systems, this compact reader supports multiple communication protocols — Standard TTL, RS485, and Wiegand 26/34 output — making it compatible with a wide range of controllers and panels. Whether you're securing a workplace, residential building, or facility, this module delivers fast, reliable code recognition in under 0.5 seconds.
With support for up to 20,000 users, NFC-enabled mobile phones, Mifare IC cards, and second-generation ID card serial numbers, this is a truly versatile access solution. The built-in automatic fill light ensures accurate reads even in low-light environments, and the 360° vertical reading angle means codes can be scanned from virtually any orientation.
Made in Mainland China.
Key Features
- Fast QR & Barcode Recognition: Reads QR codes from screens or paper in less than 0.5 seconds
- Multi-Protocol Output: Standard TTL, RS485, and Wiegand 26/34 — integrates with most access controllers
- CMOS Reading Mode: High-accuracy scanning with >5mil resolution and up to 18cm reading distance
- 360° Vertical Reading Angle: Wide 80° camera range (up/down, left/right) for effortless scanning
- Multiple Card Types Supported: Mifare IC card, Mobile Phone NFC, and 2nd-generation ID card serial numbers
- Card Read Distance: 3–10cm | Card Read Time: <0.3s
- Large User Capacity: Up to 20,000 users with QR code binding via compatible mini app
- Auto Fill Light: Automatically activates in dark conditions for consistent performance
- Relay Outputs: 1 set of normally open contacts + 1 set of normally closed contacts for unlock signaling
- Signal Input: 1 set of open-door button input
- Buzzer Notification: Audible confirmation on successful reads
- Wide Voltage Range: Operates on DC 5V–12V for flexible installation
- Compact Dimensions: 92mm × 74mm × 55mm — easy to embed into kiosks, gates, or panels
Technical Specifications
| Brand | Asia-Teco |
| Model | 6619 |
| Reading Mode | CMOS |
| Reading Accuracy | >5mil |
| Reading Distance | Up to 18cm |
| QR Recognition Time | <0.5 second |
| Card Reading Distance | 3–10cm |
| Card Reading Time | <0.3s |
| Vertical Reading Angle | 360° |
| Camera Range | 80° (up/down & left/right) |
| Communication Interface | Standard TTL, RS485, Wiegand 26/34 (output) |
| Operating Voltage | DC 5V–12V |
| Maximum Users | 20,000 |
| Card Types | Mifare IC, Mobile NFC, 2nd-Gen ID Card |
| Unlock Signal | 1 NO + 1 NC relay contact |
| Notification | Buzzer |
| Dimensions | 92 × 74 × 55mm |
| Origin | Mainland China |
Ideal For
- Office and commercial building access control
- Residential community gate entry systems
- Parking lots and turnstile integrations
- Kiosk and self-service terminal embedding
- Smart door lock systems with QR code or NFC mobile entry
Learn More About Access Control Standards
For technical guidance on electronic access control systems and security protocols, visit the NIST Identity & Access Management resource page.
Frequently Asked Questions
Q: What communication protocols does this QR code scanner module support?
A: This Asia-Teco 2D barcode scanner module supports Standard TTL, RS485, and Wiegand 26/34 output interfaces, making it compatible with a broad range of access control panels and third-party controllers.
Q: Can this scanner module read QR codes displayed on a smartphone screen?
A: Yes. The CMOS-based reader is designed to scan both on-screen QR codes (such as those displayed on mobile phones) and printed QR codes on paper, with a recognition time of less than 0.5 seconds.
Q: How many users can be registered in this access control scanner system?
A: The module supports a maximum capacity of 20,000 users. QR code binding via a compatible mini app is also supported for up to 20,000 entries.
Q: What power supply does this 2D barcode scanner module require?
A: The module operates on a wide voltage range of DC 5V to 12V, offering flexibility for installation in various access control setups and enclosures.
Q: Does the scanner work in low-light or dark environments?
A: Yes. The unit features a built-in automatic fill light that activates in dark conditions, ensuring reliable scanning performance regardless of ambient lighting.