Specifications
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
Description

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

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

Technical specification

System CPU Dual-core A72+quad-core A53,2.0G,RK3399
RAM 2GB
Internal memory 16GB
Operation system Android 7.1
Touch 10-Point capacitive touch
Display Panel 21.5"LCD full H//D panel
Resolution 1920*1080
Active area 474.64(H)x 268.11 mm(V)
Viewing angle 89/89/89/89(L/R/U/D)
Contrast ratio 1000
Luminance 250cdm2
Aspect Ratio 16:9
Network WiFi 802.11b/g/n/ac,2.4G+5G
3G 3G USB dongle ext.
Ethernet 100M/1000M Ethernet
Bluetooth Bluetooth 4.0
Interface Card slot SD,Support up to 32GB
USB Device Mini USB OTG
USB Hostx3 USB Host 3.0
Power Jack DC power input
RJ45 Ethernet
H//D/MI H//D/MI output
Earphone 3.5mm earphone
Media plays Video format MPEG-1,MPEG-2,MPEG-4,H.263,H.264,VC1,RV etc.,support up to 4K
Audio format MP3/WMA/AAC etc.
Photo jpeg
Other Speaker 2*3W
VESA 100x100mm
Camera 2.0MP,Front
Micphone yes
Language Multi-language
Working temp 0--40degree
Accessories Adapter Adapter,12V,3A
User manual yes


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.

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


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.

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

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.

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

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.

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

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.

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

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.

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

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

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

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

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Place of Origin :
Guangdong,China
Brand Name :
OEM
Supply Ability :
50000 pcs/month
MOQ :
100PCS
Application :
Indoor
SD Card slot :
SD Card(Max 32GB)
Contact Supplier
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High Definition RK3399 21 Inch Android Tablet / All In One Touch Screen Computer
High Definition RK3399 21 Inch Android Tablet / All In One Touch Screen Computer
High Definition RK3399 21 Inch Android Tablet / All In One Touch Screen Computer
High Definition RK3399 21 Inch Android Tablet / All In One Touch Screen Computer
High Definition RK3399 21 Inch Android Tablet / All In One Touch Screen Computer
High Definition RK3399 21 Inch Android Tablet / All In One Touch Screen Computer

Shenzhen Hopestar SCI-TECH Co., Ltd.

Verified Supplier
6 Years
guangdong, shenzhen
Since 2006
Business Type :
Manufacturer, Distributor/Wholesaler
Total Annual :
25000000-30000000
Employee Number :
300~500
Certification Level :
Verified Supplier
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