| System Information |
| Processor | RockChip RK3288W Cortex-A17 Quad Core 1.6GHz |
| System Memory | 2GB DDR3L RAM |
| Storage |
| Storage | 16GB eMMC |
| I/O |
| External I/O Connector | 1 x Power Jack
1 x HDMI Port
2 x USB Type A Host
1 x RJ45
1 x Headphone Jack
1 x Reset
|
| Internal I/O Connector | 1 x Micro USB
1 x USB interface , 1 x DMIC interface
1 x USB touch interface
1 x M.2 B-Key(3042)
1 x touch button control(power/vol/brightness)
1 x Power interface (12~24V)
1 x JLVDS1
1 x eDP
1 x AMIC interface
1 x Speaker interface
1 x JSEN1 interface (I2C x2)
1 x JITP1 interface
1 x Debug port
1 x RS232 interface
1 x RS232 , RS485
1 x JGPIO1 (GPIO 16bit)
1 x RTC Battery interface
1 x Micro SIM Card socket for LTE module
1 x Micro SD slot
|
| Display |
| Multiple Display | LVDS+HDMI |
| Mechanical & Environmental |
| Power Requirement | DC 12~24V Input |
| Power Mode | DC Jack, DC input 4pin header
|
| Operating Temperature | 0°C ~ 40°C |
| Storage Temperature | -20°C ~ 60°C |
| Operating Humidity | 40°C @ 95% Relative Humidity, Non-condensing |
| Weight | 3.4kg |
| Dimension (W x L x H) | 501.88 x 294.2 x 44.1mm |
| Certifications |
| Certification Information | CE, FCC Class A |
| Software Support |
| OS Information | Android 8.1 |
| Ordering Information |
| Ordering Information | OFT-21WR1-2G_16G-Android 8.1-DC in |
| Panel |
| LCD Size | 21.5 |
| Resolution | 1920x1080
|
| Pixel pitch | 0.24795 X 0.24795 mm |
| Luminance | 250 cd/m2(typ)
|
| Contrast ratio | 3000 |
| Viewing angle | 178 (H), 178 (V)
|
| Response time | 30 ms |
| Backlight | LED |
| Touch Type | Projective Capacitive |
| Touch Light Transmission | 85% |
| LCD Panel | TFT-LCD |
| Wireless Communication |
| WLAN | 802.11 b/g/n |