| Customization: | Available |
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| Application: | Indoor |
| Aspect ratio: | 16:9 |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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| Screen parameters | size | 21.5" | - |
| Resolution | 1920*1080 | - | |
| Viewing angle | 85/85/85/85 (L/R/U/D) | - | |
| colour | Chroma: 16.7M | - | |
| Brightness | 300 cd/m2 | 500cd/m2 | |
| Contrast | 1000:1 | - | |
| Product reliability | Operating temperature | - 10°C to 60°C | - |
| Storage temperature | - 20°C to 70°C | - |
Android
| Default | Optional | ||
| Hardware Configuration | CPU | RK3568 | RK3399 |
| RAM | DDR 2G | DDR 4G | |
| Storage | eMMC 16GB | eMMC 32G | |
| operating system | Android 11 | Ubuntu 18.04 | |
| I/O | USB | *2 | *4 |
| RJ45 - LAN | *1 | - | |
| RS232 | *0 | *2 | |
| HDMI | |||
| Audio | |||
| Wireless | Wifi | 2.4G | Dual Bands 2.4G&5G |
| LTE 4G | *0 | Support Globally | |
| Bluetooth | 4.2 | - | |
Windows
| Hardware Configuration | CPU | Intel® Celeron® J4125 Processor | Intel® Core i3/i5/i7 |
| RAM | DDR4 4G | DDR4 8G | |
| Storage | SSD 128GB | SSD 256GB/512GB/1TB | |
| operating system | Windows 10 | Ubuntu / Debian | |
| I/O | USB 3.0 | *2 | *4 |
| USB 2.0 | *2 | *4 | |
| RJ45 - LAN | *1 | *2 | |
| RS232 | *1 | *6 | |
| RK485 | - | *1 | |
| HDMI | *1 | *1 | |
| VGA | *1 | *1 | |
| Audio | HP_OUT | *1 | |
| MIC_IN | *1 | ||
| Wireless | Wifi | 2.4G | Dual Bands 2.4G&5G |
| LTE 4G | *0 | Support Globally | |
| Bluetooth | 4.2 | 5.0 |
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