Nebula AI
21.5-Inch Touchscreen Tablet




The 21.5-inch large format touchscreen is designed for digital signage displays, interactive kiosks, and industrial touchscreens, offering a 1920x1080 Full HD high-brightness display (450cd/m², 400cd/m² with touch) and G+G 10-point capacitive touch with anti-glare glass. Powered by a Quad-core Cortex-A72 and A53 CPU with Android 15, this Android all-in-one PC supports kiosk software like STAROS KIOSKMODE for secure kiosk operations, STARCONTROL for device monitoring and remote device management, and MUSEA DIGITAL SIGNAGE for impactful interactive signage. With WiFi 6, Bluetooth 5.0, POE-enabled LAN, and optional 4G, it integrates 1D/2D barcode scanners and RFID readers for self-service terminals, education kiosks, and branded kiosks. Weighing 4.9kg, it supports freestanding kiosk or wall-mounted kiosk configurations, making it a robust touchscreen solution for commercial displays.
Interactive
Touchscreen Features.


21.5-Inch
Large Format Touchscreen
Immersive Experiences

Peripheral Integration
Compatible with barcode scanners RFID readers and sensors for AI-enhanced data collection.
Multiple I/O ports for seamless integration with AI peripherals and IoT devices.
POE
POE (IEEE802.3af/at/bt) supported for 10inch and 15.6inch. Optional for 21.5inch.


Flip It, Spin It, Table It
Portrait, landscape and table-top orientation


MUSEA:
Digital Signage Software
MUSEA is a cloud-based digital signage software for creating and managing interactive signage content remotely. With drag-and-drop functionality and support for multiple file types, it integrates with Star Control for centralized management across retail, hospitality, and education.
Specifications.
Panel Info
Size | 21.5" |
Resolution | 1920 x 1080 |
Panel Brightness | 450cd/m² |
Brightness | 400cd/m² with touch Screen |
Contrast | 1300:1 |
Aspect Ratio | 16:9 |
Active Display Area | 476.064 x 267.786mm |
Viewing Angle | 89°/89°/89°/89° |
Response time | 14ms |
Touch Data
Touch Tech | G+G 10 point cap touch Anti-glare glass IP65 Front Glass |
Hardness Of Surface | >6H |
Touch method | Finger touch 、 Capacitive stylus |
Transparency | ≥86% |
Touch Glass Thickness | 2mm (Not including Sensor thickness) |
Bonded Panel | Optical bonded capacitive touch Panel |
Hardware & OS
CPU | Quad-core Cortex-A72 up to 2.2GHz, Quad-core Cortex-A53 up to1.8GHz |
GPU | ARM Mali-G52, touted as 3x faster than the Mali-T860MP4 in the older RK3399 |
NPU | 6 TOPS (Trillion Operations Per Second) of processing power |
RAM | 4GB LPDDR4X |
ROM | 32GB EMMC |
OS | Android 15 |
Software
STAROS | License Free Kiosk Mode App and Multi App Mode, Auto Lockdown, Browser and Media Mode |
STAR CONTROL(OPTIONAL) | Remote Mobile Device Management |
STARTOOL | Open Source API |
Musea | • Digital Signage Software • Remote Creating and Managing Interactive Signage Content Remotely |
GMS | N/A |
Video/Image
Video Format | H.265, VP8, RV, WMV, AVS, H.263, Mpeg4, Up to 4K decoding, HTML5, Flash 10 |
Audio Format | MP3, WMA, AAC, etc. |
Image Format | JPEG, BMP, PNG |
Audio/Communication
Speaker | 2x5W |
Bluetooth | BT 5.0 |
Noise Cancellation | X2 with Noise Canceling |
Camera | 5 MP |
Sensor | N/A |
WIFI | 802.11 a/b/g/n/ac/ax WiFi6 2.4GHz & 5GHz (Three antenna) |
Ethernet | 100/1000 LAN POE |
4G | Optional |
General
Color | Black |
Plastic materials | Plastic ABS |
I/O | RJ45x1, TFslotx1, TYPECx1,USB3.0x1, USB2.0x1, 3.5mm audio x1, DCx1; 1×UART; 2×GPIO; 1×Wiegand; 1×VCC-5V |
Peripheral Connectors | TYPE C x 2 (only for GS module) |
Included in Box | Nebula Tablet, Power Adapter, Power Cable |
POE | Optional (IEEE802.3bt) isolation |
Operating Environment | Working Temperature: 0-45 degree celsius |
Language | Multi Language |
Power Management
Power supply unit | External |
Power supply | DC 12V 5A |
Power usage | TBD |
Sustainability
Regulations | FCC, CE, UKCA , RoHS support |
REACH SVHC | REACH does not contain SVHC above 0.1%: Lead |
Mounting & Dimensions
VESA | 100 x 100 |
Dimensions ( LxWXH) | 515.97 x 36 x 311.97mm |
Weight | 2.1 kg (For reference) |
Box size / each pc(LxWXH) | 4.9kg (For reference) |
Master Box size ( LXWXH) | 604 x 365 x 406mm |
Master Box Weight | 17.5kg (For reference) |
Pieces/ Carton | 3pcs |
Amazing accessories
to complete your perfect kiosk touchscreen computers.
The Touchscreen Computers offers a wide assortment of optional peripherals such as magnetic card swipe, RFID/NFC readers and barcodes that enables flexibility for rigorous use in continuous public use for fitness consoles, system terminals, retail e-catalog, employee access control, corporate check in, restaurant self ordering, hotel check in, etc.
Look into
Nebula AI
Ideal Applications.

Retail
Interactive kiosks with AI recommendation engines and customer analytics via 2MP camera and touch interface for personalized shopping.

Hospitality
AI virtual concierges for hotels/restaurants with voice/touch check-in/out, powered by noise-canceling mics and high-performance CPU for NLP.
Healthcare
AI-driven patient check-in and wayfinding with facial recognition and predictive analytics, integrating with medical IoT via WiFi 6/4G.


Digital Signage
Targeted ads using AI to analyze viewer demographics via camera/RFID, displayed on high-resolution screens.


Industrial
AI control panels for predictive maintenance and equipment monitoring, with robust I/O ports and 4G for smart factory IoT.

Interactive classroom displays with AI learning apps, leveraging touch inputs and 4K video for personalized education
Education

Transportation
AI ticketing kiosks and passenger systems with crowd analysis and queue optimization, integrated with IoT networks.
Quad-core processor and 4GB RAM enable on-device AI inference for object detection, facial recognition, and voice processing with STARTOOL API.
Edge AI

AI public kiosks with proximity sensors and WiFi 6 for real-time, context-aware information.
Smart Cities
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