Product Description
The GM803 Barcode Reader Module is a compact and lightweight barcode scanner designed for both close-range and long-distance scanning. Supporting 1D and 2D barcode formats, this module is highly versatile, making it ideal for applications in retail, logistics, vending machines, access control, and industrial automation.
Equipped with a CMOS sensor and uniform white LED lighting, the GM803 ensures accurate and fast barcode recognition, even in challenging environments. The module offers flexible connectivity with TTL-232 and USB interfaces, enabling seamless integration into embedded systems, handheld terminals, and custom devices.
With features like low power consumption, fast startup (≤250ms), wide scanning angles, and durability to withstand repeated drops, the GM803 delivers reliable performance in demanding environments.
Key Features
Compact & Lightweight: Only 26 × 20mm, weighing just 2g
Wide Barcode Support:
1D Codes: EAN-13, UPC-A/E, ISSN, ISBN, Code 128, ITF, CodaBar, Code 39, Code 93, Code 11, MSI-Plessey, GS1-Databar, and more
2D Codes: QR Code, DataMatrix, PDF417
High-Performance Sensor: CMOS, 640 × 480 resolution
Multiple Scan Options:
Close Range: 5–35cm
Long Distance: 7–65cm
Fast Response: Startup time ≤250ms
Accuracy: ≥10mil reading precision
Flexible Interfaces: TTL-232 and USB
Durable Design: Withstands 50 drops from 1.2m onto concrete
Indicators: LED (Green/Blue) + buzzer for successful reads
Technical Specifications
Sensor: CMOS
Lighting: White light (uniform, soft recommended)
Scan Angles: Roll: 360° | Pitch: 65° | Yaw: 65°
Viewing Angle: 67° (H), 53° (V)
Contrast: >25%
Operating Voltage: 3.3V
Operating Current: 70mA (Max)
Standby Current: ≤6mA
Dimensions: 26 × 20mm
Weight: 2g
Operating Temperature: -20°C ~ 60°C
Storage Temperature: -40°C ~ 100°C
Humidity: 5%–95% (non-condensing)
Durability: 1.2m drops on concrete, 50 times
Documentation
