
- Screen size: 21.5″
- Resolution: 1920 (RGBW) × 1080 [UHD]
- Display size: 476.64 (horizontal) × 268.11 (vertical) mm
- Visual size: 479.84 (horizontal) × 271.31 (vertical) mm
- Brightness (cd/m2): 350 (Typ.)
- Best angle: full view
- Viewing angle: 89/89/89/89 (Min.) (CR ≥ 10)
- Pitch: 0.0825×0.2475mm
- Number of colors: 16.7M, 72% (CIE1931)
- Screen weight: 1.67Kgs (Typ.)
- Refresh rate: 60Hz
- Signal system: 30 pins LVDS (2 ch, 8-bit) , terminal
- Supply voltage: 5.0V (Typ.)
- Maximum rating: Storage temperature: -20 ~ 60 °C Operating temperature: 0 ~ 50 °C
- Screen type: LCD, a-Si TFT-LCD
- Pixel configuration: RGBW vertical strip
- Appearance size: 495.6 (horizontal) × 292.2 (vertical) × 11.1 (thickness) mm
- Surface treatment: matte (Haze 1%), Hard coating (3H)
- Contrast ratio: 1000 : 1 (Typ.) [Transmission]
- Optical mode: TN, normally black display, transmissive
- Response speed: 13/5 (Typ.) (Tr/Td) ms
- Backlight type: WLED [17S4P], 30K hours, no drive
- CPU RK3288, quad core, clocked at 1.8GHz
- Memory 2/4G (optional)
- Built-in memory EMMC 8/16/32G (optional)
- Built-in ROM 2KB EEPROM
- Decoding resolution up to 3840*2160
- Operating system Android 5.1
- Play mode Supports multiple play modes such as loop, timing, and insert
- Network support 3G, Ethernet, support for WiFi/Bluetooth 4.0, wireless peripheral expansion
- Video playback Support wmv, avi, flv, rm, rmvb, mpeg, ts, mp4, etc.
- Image format Support BMP, JPEG, PNG, GIF
- USB2.0 interface 2 USB HOST, 5 USB socket
- Serial port 4 serial port socket
- GPS external GPS (optional)
- WIFI, BT built-in WIFI, BT4.0 (optional)
- 3G built-in WCDMA, EVDO, 4G full Netcom, support voice calls
- Ethernet 1, 10M/100M Adaptive Ethernet
- SD card Support SD card
- LVDS output 1 single / dual channel, can directly drive 50/60Hz LCD screen
- eDP output can directly drive eDP interface LCD with multiple resolutions
- 1 HDMI output, support 1080P@120Hz, 4kx2k@60Hz output
- Audio and video output Support left and right channel output, built-in dual
- 4R/20W, 8R/10W power amplifier
- RTC real time clock support
- Time switch machine support
- System upgrade Support local SD, USB upgrade




