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High Definition RK3399 21 Inch Android Tablet / All In One Touch Screen Computer

Categories Advertising Display Tablet
Place of Origin: Guangdong,China
Brand Name: OEM
Supply Ability: 50000 pcs/month
MOQ: 100PCS
Application: Indoor
SD Card slot: SD Card(Max 32GB)
RAM: 2GB
System: Android 7.1
Payment Terms: L/C,T/T
Ethernet: Support
Speaker: Built in speaker 1x 2w
Response Time: 5ms
WiFi: 802.11b/g/n/ac,2.4G+5G
Brightness: 250cd/m2
Size: 21 inch android tablet pc
Certification: CE,ROHS, FCC,ISO9001,KC,CCC
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High Definition RK3399 21 Inch Android Tablet / All In One Touch Screen Computer

Hot Promotional h/d RK3399 21 inch android tablet pc

Product Description

Features

  • Long lasting product cycle-enclosure
  • 1000:1 contrast ratio, and 300-nit brightness (LED panel)
  • High quality panel with 176° x 170° viewing angle
  • Future generation panels phased-in without external changes
  • Mounting options including rear-mount and VESA mount
  • Optional front mount and rack mount bezels
  • Multilingual on-screen display (OSD)
  • Fully RoHS compliant

Technical specification

SystemCPUDual-core A72+quad-core A53,2.0G,RK3399
RAM2GB
Internal memory16GB
Operation systemAndroid 7.1
Touch10-Point capacitive touch
DisplayPanel21.5"LCD full H//D panel
Resolution1920*1080
Active area474.64(H)x 268.11 mm(V)
Viewing angle89/89/89/89(L/R/U/D)
Contrast ratio1000
Luminance250cdm2
Aspect Ratio16:9
NetworkWiFi802.11b/g/n/ac,2.4G+5G
3G3G USB dongle ext.
Ethernet100M/1000M Ethernet
BluetoothBluetooth 4.0
InterfaceCard slotSD,Support up to 32GB
USB DeviceMini USB OTG
USB Hostx3USB Host 3.0
Power JackDC power input
RJ45Ethernet
H//D/MIH//D/MI output
Earphone3.5mm earphone
Media playsVideo formatMPEG-1,MPEG-2,MPEG-4,H.263,H.264,VC1,RV etc.,support up to 4K
Audio formatMP3/WMA/AAC etc.
Photojpeg
OtherSpeaker2*3W
VESA100x100mm
Camera2.0MP,Front
Micphoneyes
LanguageMulti-language
Working temp0--40degree
AccessoriesAdapterAdapter,12V,3A
User manualyes


High-Definition 21.5-Inch Android Interactive Display for Commercial Touch Applications

The 21.5-inch Android All-in-One Touch Screen Computer is designed as an interactive commercial display terminal for indoor environments where reliable touch interaction, multimedia presentation, and enterprise connectivity are required. Powered by the RK3399 processor and Android operating system, it combines Full HD visual performance, responsive capacitive touch, flexible installation options, and multiple connectivity interfaces in a single integrated platform. Suitable for commercial display, interactive information terminals, self-service applications, and digital communication environments, it provides a dependable solution for organizations seeking a stable Android-based touch display that can be integrated into existing business systems and deployment infrastructures.


RK3399 Processing Platform for Stable Commercial Operation

Built around the Rockchip RK3399 processor featuring dual Cortex-A72 and quad Cortex-A53 cores, the display delivers the computing performance required for continuous commercial applications. Running Android 7.1, the platform supports smooth operation of interactive applications, multimedia playback, digital signage software, and enterprise business tools. The combination of multi-core processing, integrated memory, and local storage enables responsive user interaction while maintaining stable long-term performance. This architecture provides a reliable foundation for businesses deploying Android applications that require consistent operation throughout daily commercial activities.

21.5-Inch Full HD Touch Display for Interactive Experiences

The 21.5-inch Full HD LCD panel provides a clear and engaging interface for customer interaction and information presentation. With a 1920 × 1080 resolution, 1000:1 contrast ratio, wide viewing angles, and 250 cd/m² brightness, the display delivers sharp visual performance suitable for indoor commercial environments. The 10-point capacitive touch screen supports smooth multi-touch operation, allowing users to browse information, navigate applications, or complete interactive workflows naturally. This combination of display quality and touch responsiveness makes the terminal suitable for interactive kiosks, digital information points, and commercial self-service applications.

Enterprise Connectivity for Flexible System Integration

A comprehensive range of communication interfaces enables the terminal to integrate with existing enterprise networks and peripheral devices. Gigabit Ethernet, dual-band Wi-Fi (2.4GHz and 5GHz), and Bluetooth 4.0 provide flexible networking options for different deployment environments, while HDMI output, USB Host 3.0 ports, Mini USB OTG, and SD card expansion simplify connection to external displays, storage devices, and accessories. Optional support for a 3G USB dongle further extends deployment flexibility, allowing organizations to adapt the system to a variety of commercial operating requirements without extensive infrastructure changes.

Integrated Multimedia Features for Business Communication

Designed as a complete interactive platform, the display incorporates built-in dual 3W speakers, a front-facing 2MP camera, and an integrated microphone to support multimedia communication and user interaction. These features enable video capture, voice input, multimedia playback, and interactive content delivery within a single device. Whether used for customer engagement, digital presentations, remote communication, or information services, the integrated hardware reduces the need for additional external equipment while supporting a more streamlined installation and maintenance process.

Flexible Installation for Diverse Commercial Environments

The display supports multiple installation methods to accommodate different project requirements and interior layouts. Standard VESA 100 × 100 mm mounting enables compatibility with widely available mounting systems, while rear mounting, optional front mounting, and optional rack-mount bezels provide additional deployment flexibility. These installation options allow the device to be incorporated into kiosks, counters, walls, cabinets, or customized commercial equipment. By supporting different installation approaches, the terminal can be adapted to a broad range of indoor applications without requiring significant structural modifications.

Built for Reliable Indoor Commercial Deployment

Engineered for continuous indoor operation, the Android interactive display combines stable computing performance, responsive touch interaction, enterprise-grade connectivity, and flexible installation into a unified commercial platform. Multi-language system support further simplifies deployment across international projects, while the integrated hardware architecture helps reduce installation complexity and long-term maintenance requirements. Whether deployed as an interactive display, information terminal, multimedia communication device, or Android commercial touch solution, the platform provides organizations with a dependable foundation for digital business applications. For projects requiring customized deployment or system evaluation, additional configuration and integration options can be assessed according to specific operational requirements.

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