安勤

Processor

RockChip RK3288

System Memory

2GB LPDDR3

Storage

16GB eMMC

Multiple Display

LVDS+HDMI

DC Input

DC 12~24V

OS

Android 8.1

Certification Information

CE, FCC Class A

LCD Size

21.5"

LCD Panel

TFT-LCD

Resolution

1920 x 1080

Pixel pitch

0.24795 x 0.24795 mm

Luminance

250 cd/m2

Contrast ratio

3000

Viewing angle

89 (U), 89 (D), 89 (L), 89 (R)

Response time

30 ms

Backlight

LED

Touch Type

PCAP

Touch Light Transmission

85%

External I/O Connector

1 x 10/100/1000 RJ45 Powered LAN
1 x DC Jack
1 x Headphone Jack
1 x HDMI 1.4 Out
1 x Reset
2 x USB 3.0 Type A

Internal I/O Connector

1 x A-MIC
1 x DC Input
1 x GPIO
1 x I2C Sensor Interface
1 x LVDS
1 x M.2 3042 B-Key
1 x Micro SD slot
1 x Micro USB
1 x MIPI DSI
1 x Power Button
1 x RS232
1 x RS485
1 x RS232/422/485 Debug
1 x RTC battery
1 x Speaker
1 x SPI
1 x Touch Button
1 x USB Touch interface

WLAN

WIFI 802.11 b/g/n

Operating Temp.

0°C ~ 40°C (32°F ~ 104°F)

Storage Temp.

-20°C ~ 60°C (-4°F ~ 140°F)

Operating Humidity

40°C @ 95% Relative humidity, Non-condensing

Dimension (W x L x H)

501.88 x 294.2 x 44.1mm

Weight

3.4 kg

Power Requirement

DC 12~24V

Ordering Information

OFT-21WR1-CU39C-1R : OFT-21WR1-Android 8.1-DC in
OFT-21WR1-CU37C-1R : OFT-21WR1-Debian 9.0-DC in