(AVR2189)21.5 inch android tablet smart home touchscreen Interactive Display digital signage white board adverting play
Video
https://www.youtube.com/watch?v=rtVgtQsgtm8
https://www.youtube.com/shorts/F9BqkSgRDzU
System
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CPU: RK3576, Quad-core Cortex-A53 + Quad-core Cortex-A72
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RAM: 4GB
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Internal Storage: 32GB
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Operating System: Android 14
Display
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Screen Size: 21.5" LCD
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Panel Type: IPS
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Resolution: 1920 × 1080 (Full HD)
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Display Colors: 16.7 million
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Color Gamut: 72% NTSC
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Viewing Angle: 89° (L/R/U/D)
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Display Mode: Normally black
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Contrast Ratio: 3000:1
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Response Time: 7ms
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Backlight Type: ELED
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Brightness: 250 cd/m²
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Aspect Ratio: 16:9
Touch
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Touch Type: Capacitive touch screen
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Touch Points: 10-point multi-touch
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Touch Interface: I²C
Network
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Wi-Fi: IEEE 802.11 b/g/n/a/ac/ax (Wi-Fi 6E)
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Bluetooth: Version 5.3
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Ethernet: 10M/100M/1000M
Interfaces
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Ethernet (RJ45): Yes
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USB:
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1× USB 2.0 Host
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1× USB 3.0 Host
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Type-C: Full-function (excluding charging)
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HDMI IN: Supports resolutions 800×600 up to 3840×2160
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Power Jack: DC input
Media Playback
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Video Formats: MPEG-1, MPEG-2, MPEG-4, H.265, H.264, VP9, AV1, AVS2, MVC, AVC; supports up to 8K @ 30fps
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Audio Formats: MP3, WMA, AAC, WAV, OGG, etc.
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Image Formats: JPEG, PNG, GIF, etc.
Other Features
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Available Colors: White / Black
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Mounting: VESA 75 × 75mm
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Buttons: Power, Volume +, Volume –
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G-Sensor: Supported
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Speakers: 2 × 5W (4Ω)
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Microphone: Quad-microphone with noise reduction and echo cancellation
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NFC (Optional): 13.56MHz, ISO/IEC 18092, 21481, 14443 A&B, 15693, JIS (X) 6319-4, MIFARE Classic encrypted tags/cards
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Camera: MIPI 8.0MP
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Languages: Multi-language support
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Certifications: CCC, CE, FCC
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PoE (Optional): IEEE 802.3bt, up to 60W
Environmental Conditions
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Operating Temperature: 0°C to 40°C
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Storage Temperature: -20°C to 60°C
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Operating Humidity: 20% to 80% RH
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Storage Humidity: 10% to 95% RH
Accessories
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Power Adapter: 12V / 3A
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AC Cable: 1.5m
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User Manual: Included