21.5 Inch RK3399 Processor Android Tablet 1080P Advertising Player Digital Signage
This is an 21.5 -inch touch advertising machine with a large screen, 1080P high -definition display, which can display a higher -definition advertising screen. With capacitive touch functions, users can interact with tablet. Support Android systems, which is more convenient to operate. Support wall -mounted and desktop placing, users use more widely.
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- Features
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- Products Description
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Video
Features
- Panel: 21.5" IPS panel
- CPU:RK3399
- RAM:2GB
- Memory:16GB
- Resolution:1920X1080
- System:Android 8.1/10/11
- Support POE
Tablet Key Features
Parameter
| System | |
| CPU | RK3399,Dual-core A72+quad-core A53 |
| RAM | 2/4GB |
| Internal memory | 16/32/64GB |
| Operation system | Android 8.1/10/11 |
| Touch screen | 10-Point Capacitive Touch |
| Display | |
| Panel | 21.5" IPS panel |
| Resolution | 1920*1080 |
| Display mode | Normally black |
| Viewing angle | 85/85/85/85(L/R/U/D) |
| Contrast ratio | 800 |
| Luminance | 250cd/m2 |
| Aspect Ratio | 16:9 |
| Network | |
| WiFi | 802.11b/g/n |
| Ethernet | 100M/1000M ethernet |
| Buletooth | Bluetooth 4.2 |
| Interface | |
| Card slot | SD,support up to 32GB |
| Mini USB | USB OTG |
| USB | USB Host 3.0 |
| USB | USB host 2.0*2 |
| Power Jack | DC power input |
| RJ45 | Ethernet interface |
| Earphone | 3.5mm earphone |
| Media play | |
| Video format | MPEG-1,MPEG-2,MPEG-4,H.265,H.264,VC-1,VP8,VP9, etc.,support up to 4K |
| Audio format | MP3/WMA/AAC etc. |
| Photo | jpeg |
| Other | |
| Speaker | 2*3W |
| Camera | 2.0MP,Front |
| Micphone | yes |
| VESA | 100x100mm |
| Language | Multi-language |
| Working temp | 0--40 degree |
| Accessories | |
| Adapter | Adapter,12V/3A |
| User manual | yes |
Products Description
21.5-Inch RK3399 Android Tablet: Smarter Digital Signage for Modern Businesses
In today’s fast-paced retail and service environments, screens are everywhere—but not all displays are made for business. Consumer tablets may work for a while, but when placed in a busy store, a public lobby, or a 24/7 environment, they quickly reveal their limits: overheating, unstable software, and poor compatibility with enterprise systems. The 21.5-inch RK3399 Android tablet was built precisely to solve those issues. Designed for commercial use, it combines powerful performance, long-term reliability, and flexible integration—making it the ideal choice for digital signage, interactive kiosks, and in-store customer engagement systems.

From Static Displays to Intelligent Engagement
Businesses are no longer satisfied with static posters or traditional monitors. They need screens that communicate, collect feedback, and adapt to real-time operations. This Android tablet brings that intelligence to your business. With its Full HD 1080p display, wide viewing angle, and capacitive touch interface, it delivers crisp visuals and responsive interactivity—whether used for digital advertising, room booking, or self-service terminals.
During a recent retail deployment in Southeast Asia, a regional electronics distributor replaced traditional LED boards with Hopestar’s 21.5-inch Android tablets across 50 stores. The result was a 35% increase in customer engagement and a noticeable drop in maintenance costs. The reason is simple: the system is easy to install, centrally managed, and runs continuously without downtime.

Who Needs This
This model is engineered for system integrators, distributors, and solution providers in the fields of retail, hospitality, healthcare, education, and corporate environments. If your clients demand stable Android-based displays that support both interactive content and back-end management, this product fits your portfolio perfectly. For procurement managers, it’s a dependable display solution with consistent supply and strong after-sales support. For channel partners, it’s a versatile device that fits multiple verticals—ideal for reselling or bundling with custom applications.

Flexible OEM/ODM Customization
Hopestar has long specialized in OEM and ODM Android tablet manufacturing, giving partners the flexibility to tailor devices for their projects. The RK3399 processor platform supports API and SDK integration, enabling developers to embed proprietary software or connect with existing systems such as CMS, POS, or IoT platforms. Custom options include logo branding, housing color, memory configurations, and interface expansion. This adaptability makes the product attractive to solution providers seeking to scale up without reinventing their hardware base.

Built for Commercial Reliability
Unlike consumer tablets, this 21.5-inch model is built with industrial-grade components and optimized firmware. The RK3399 six-core processor ensures smooth multi-tasking and stable playback of HD video, even for continuous 24/7 operation. The solid metal frame enhances durability, while the optimized Android OS provides compatibility with a wide range of third-party applications. With multiple connectivity options—including Wi-Fi, Bluetooth, and LAN—it supports flexible deployment across different business environments. This commercial-level reliability translates directly to lower maintenance costs and fewer service calls, helping partners retain customer satisfaction while improving project ROI.

Turning Technical Strength into Business Value
Every technical advantage serves a business goal. The 1080p screen delivers superior visibility for advertising and information display. The Android 12 system ensures software compatibility and security for enterprise use. Fast data communication allows remote management through cloud platforms—whether to update advertising content, monitor device health, or control multi-location deployments. Together, these translate into operational stability, lower downtime, and easier scalability for both integrators and end-users.


Market Demand and Partnership Opportunities
The global digital signage market is growing rapidly, driven by retail transformation and smart facility management. Interactive Android displays like this 21.5-inch signage tablet are now essential for retail chains, healthcare institutions, universities, and public spaces. Hopestar already partners with distributors in Europe, Southeast Asia, and the Middle East, helping them expand local market share with customizable display solutions. For new partners, this product offers an entry point to a fast-growing market with high demand and strong replacement cycles.

Delivery, Support, and Partnership Policy
Hopestar provides a streamlined process for B2B buyers—starting with sample testing, followed by mass production and continuous after-sales support. Minimum order quantities are flexible for first-time cooperation, and lead times are optimized to match your project schedules. Each device comes with a warranty and technical support to ensure long-term reliability. For distributors and resellers, dedicated business assistance and localized logistics solutions are available to shorten delivery cycles and reduce import complexity.

Let’s Build Your Display Business Together
If you’re looking for a commercial-grade Android display that combines performance, stability, and customization potential, the 21.5-inch RK3399 Android tablet offers everything you need to build your next digital signage solution. Whether you’re a system integrator developing retail terminals or a distributor seeking a high-demand product line, Hopestar welcomes cooperation opportunities. Contact our team to discuss project requirements, request a sample, or learn about regional distribution programs.

Packaging
Packaging support customization, users can customize logo tags on the box. Customized packaging can be customized according to the different needs of the user.
