-System Information- | Processor | RockChip RK3568 Cortex-A55 Quad Core 2.0GHz | System Memory | 2GB DDR4 RAM | Panel | LCD Size | 21.5" | Resolution | 1920 x 1080
| Luminance | 250 nits
| Viewing angle | 178° (H/V)
| Touch Type | PCAP | I/O | External I/O Connector | 1 x Power Jack
1 x HDMI Port
2 x USB 3.0 Type A Host
1 x RJ45
1 x Headphone Jack
1 x Reset
1 x Power button
1 x DB9 for RS-232
1 x DB9 for RS-485
| Wireless Communication | WLAN | 802.11 a/b/g/n/ac | Display | Multiple Display | MIPI+HDMI | Certifications | Certification Information | CE, FCC Class B | Mechanical & Environmental | Operating Temperature | 0°C ~ 40°C | Storage Temperature | -20°C ~ 60°C | Operating Humidity | 40°C @ 95% Relative Humidity, Non-condensing | Dimension (W x L x H) | 535.3x329.3x48.1 (mm) | Weight | 9.2kg | Power Requirement | DC 12~24V Input | Power Mode | DC Jack
| Software Support | OS Information | Android 11 | Ordering Information | Ordering Information | SID-21WR2-6803-A1R (21.5" 1920 x1080 Panel PC with P-Cap Touch, Rockchip RK3568,
2G DDR4/32GB eMMC, DC-In 12V~24V, Android 11) |
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