scan module:
- size: 21 * 21 (D) (W) x 10.3 mm (H)
- Sensor: 640*480CMOS
- Lighting: white LED
- Readable Code system: 2D (QR Code, Data Matrix, PDF417)
- Readability accuracy: ≥5mil
Read depth of field: product performance may be affected by bar code quality and environmental conditions to varying degrees
- Contrast: ≥25%
- Scanning Angle: 360°, Elevation ± 55°, Deflection ± 55°
- View Angle: Horizontal 69°, Vertical 56°
- Communication interface: TTL-232
- Working voltage :DC3.3V
- Operating current :< 70mA
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