支持红白蓝三色曝光，大景深参数，可实现远距离识读快递面单/商品标签/手机收款。远距离快速识别巨型码 Code 128(25mil)最远 1.3M。
| 型号 | DX-21HHD | |
| 尺寸 (D x W x H ) (mm) | 38 (W) × 25.56 (D) × 19.8 (H) | |
| 国际键盘 | ● | |
| 国际语言支持 / code page | ● | |
| 扫描性能 | 图像尺寸 | 130W像素（1080*1080） |
| FPS | 60 | |
| 视角 | 28° (H) X 22° (V) | |
| 识读精度 | 1D 3 mil， 2D 5mil | |
| 光源 | 红、白、蓝三色可自由切换光源 | |
| 打印对比度 | ≥20% | |
| 工作模式 | 按键模式 | ● |
| 自动感应 | ● | |
| 连续扫描 | ● | |
|
工作距离 (mm) (300 LUX ) |
QR - 5 mil | 240 - 340 mm |
| Code 39 - 4 mil | 220 - 300 mm | |
| Code 39 - 5 mil | 180 - 400 mm | |
| EAN/UPC - 13 mil | 100 - 850 mm | |
| Code 128 - 25 mil | 70 - 1300 mm | |
| 界面 | USB HID 键盘口 | ● |
| USB 虚拟串口 | ● | |
| RS232 串口 | ● | |
| 电气参数 | 工作电压 | 3.3V |
| 工作电流 | 260mA | |
| 待机电流 |
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| 休眠电流 |
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| 一维识读码制 | UPC A | ● |
| UPC E | ● | |
| EAN 8 | ● | |
| EAN 13 | ● | |
| Code 128 | ● | |
| Code 93 | ● | |
| Code 39 | ● | |
| Code 32 | ● | |
| Code 11 | ● | |
| Codabar | ● | |
| Plessey | ● | |
| MSI | ● | |
| Interleaved 2 of 5 | ● | |
| IATA 2 of 5 | ● | |
| Matrix 2 of 5 | ● | |
| Straight 2 of 5 | ● | |
| Pharmacode | ● | |
| GS1 DataBar 14 | ● | |
| GS1 DataBar Expanded | ● | |
| GS1 DataBar Limited | ● | |
| Composite Code A | ● | |
| Composite Code B | ● | |
| Composite Code C | ● | |
| 二维识读码制 | PDF417 | ● |
| Micro PDF417 | ● | |
| Data Matrix | ● | |
| QR | ● | |
| Micro QR | ● | |
| Aztec | ● | |
| MaxiCode | ● | |
| 软件支持 | 影像调适 (MIW) | ● |
| 串口指令 | ● | |
| OPOS / JPOS | ● | |
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