Οθόνη ALLNET Touch Display Tablet PoE 21 ίντσες RK3399 Android 11 4GB 16GB Pro-Series

The ALLNET Touch Display Tablet PoE 21 Zoll RK3399 runs Android 11 and combines a 21-inch high-resolution touchscreen with built-in WiFi AC and Power over Ethernet (PoE). Equipped with an RK3399 processor, 4GB of RAM and 16GB of internal storage, the device is intended for interactive applications such as presentations, digital signage and kiosks. The tablet uses an IPS Full HD LCD panel (1920 x 1080), includes built-in speakers, and supports VESA mounting for fixed installations.

Advantages

The RK3399 processor and 4GB of RAM provide responsive performance for multitasking and content playback. The large 21-inch Full HD touchscreen and IPS panel ensure wide viewing angles and clear visuals for group viewing or interactive use. Integrated WiFi AC and PoE simplify network connectivity and installation by allowing data and power over a single Ethernet cable. Android 11 offers a modern interface and updated security features while 16GB of internal storage accommodates apps and local content. VESA mounting and built-in speakers add flexibility for fixed or wall-mounted setups.

Suitable for

• Interactive presentations in meeting rooms and lobbies
• Digital signage and product displays in retail environments
• Self-service kiosks and information terminals
• Classroom instruction and educational displays

Key specifications

• Processor: RK3399
• Operating system: Android 11
• RAM: 4GB
• Internal storage: 16GB
• Display size: 21.5 inches (21-inch class)
• Resolution: 1920 x 1080 (Full HD)
• Panel type: IPS, LCD touchscreen
• Connectivity: WiFi AC, Power over Ethernet (PoE), Ethernet
• Built-in speakers: Yes
• VESA mounting: Yes
• Colour: Black

How to use

Install the tablet at the desired location and, if using PoE, connect a PoE-capable Ethernet cable to supply both power and network. Alternatively, connect to a separate power source and Ethernet if PoE is not used. Power on the device and navigate the Android 11 interface via the touchscreen. Install and configure apps from Google Play or deploy custom applications for signage or kiosk mode. Adjust display orientation and mounting as required for the installation.

Recommendations

Keep the device software and installed applications up to date. For stable network and power delivery when using PoE, use compatible PoE switches or injectors that meet the device power requirements. For permanent installations, mount the display using VESA-compatible brackets and ensure adequate ventilation around the housing.