SMIL-Signboard 21


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SMIL-Signboard 21

The SMIL-Signboard 21 is a smart signboard for Digital Signage that incorporates media playback, a robust design and commercial functionality into an affordable Digital Signage solution.


  • 21" widescreen all-in-one display
  • Extremely durable tempered glass surface
  • Embedded Wi-Fi antenna

Suitable for

  • Airport & railway station
  • Conference room signage
  • Electronic information
  • Chain store merchandising

Superior image quality

The SMIL-Signboard 21 features the latest wide angle technology, allowing customers to see displayed images or videos from any angle at both landscape and portrait orientation.

Extremely durable with tempered glass surface

The display was designed with robustness in mind. The SMIL-Signboard 21 uses anti-scratch, two times stronger tempered glass for commercial applications.

All-in-one smart design

No extra cabling: simply connect power and network, then update and control the display remotely at your fingertips.

Technical Specifications

Display and Sound

  • 21˝ IPS LCD panel
  • 250 nits maximum brightness
  • 1920 x 1080 panel resolution
  • Wide-angle display (H/V): 178/178
  • Built-in stereo speakers 2Wx2

Video format supported

  • H.264/AVC up to 1080p (1920x1080)
  • MPEG-4 up to 1080p (1920x1080)
  • MPEG-2 up to 1080p (1920x1080)
  • MPEG-1 up to 1080p (1920x1080)
  • VC-1 up to 1080p (1920x1080)

Image format supported


Audio format supported

  • MP3 Audio

Advanced Signage Features

  • Remote commissioning
  • AlwaysOn, AppLockto prevent unauthorized access
  • StrongCache for continued playback even when network is not available
  • Multi-zone screen layout, transparent PNG overlay, and graphical scrolling ticker
  • Auto-play starts playing scheduled contents automatically when power is re-established
  • Automatic error recovery with built-in WDT
  • Real-time clock with backup clock battery

HTML5 Support

  • SmartWidgets™ for calendar, clock, news, weather, Twitter, and web page integration,
  • HTML5 technologies including CSS and Javascript
  • WebKit-based browser engine, same as Google Chrome™ and Apple Safari® browsers

Open Standards Supported

  • HTML5, JavaScript, and CSS
  • Android 4.4 API
  • W3C SMIL for cross-platform management
  • W3C Widgets for HTML delivery

Content Management

  • SignApp Express Utility
  • 3rd party solution (optional license)

Local Storage

  • 8 GB eMMC built-in
  • Micro SD card slot (card replaces internal storage)

Connectivity (when use as digital signage player)

  • Wi-Fi: 802.11 b/g/n
  • Micro USB for ADB
  • Gigabit Ethernet
  • 2 x USB 2.0
  • 3.5mm analog stereo audio out

Connectivity (when use as display)

  • HDMI-in
  • VGA-in
  • 3.5 mm analog stereo audio in

Mounting Options

  • Built-in VESA MIS-D 100 x100 mm mounting points

Expansion Options

  • 16GB/32GB SD/SDHC-Speicherkarte

Supplied Accessories

  • Power cable
  • Quick guides
  • Software CD

Built-in Power Supply

  • AC 100-240V, 50~60Hz


  • Operating temperature: 0 bis 40°C
  • Humidity: 10 to 85% @ 45°C,


  • 20.5” x 12.5” x 2.25”
    (523 mm x 319 mm x 57 mm)


  • 8.05 lbs (3,65 kg)




  • 1-year limited parts & labor