• LED Control System
  • Video Processor
  • XiaoHui Cloud
  • LCD Android Controller
  • Solution
HD-40B is a well-built LCD digital signage motherboard, using A40i quad-core chip solution, the highest frequency is 1.2GHz, and Mail-400MP2 GPU is adopted, which can be compatible with most video formats and decoding capabilities. And it comes with WIFI module, support mobile APP point-to-point wireless messaging;RJ45 interface can be connected to the Internet or LAN to realize network cluster management.


1. High stability. The A40i Android integrated board adds its own unique technology to the hardware and software to ensure the stability of the product, which can make the final product reach 7*24 hours unattended. 

2. High integration. integrates functions such as Ethernet, Wi-Fi, power amplifier, TF expansion card, USB expansion port, HDMI, etc., which greatly simplifies the installation of the whole machine 

3. Cluster management. Support the unified management of multiple LCD screens in the local area network and the Internet. 

4. High definition. Supports LCD display screens with HDMI interface, and supports cropping screens of various sizes and resolutions.


 Product Interface Diagram:



Model HD-40B
CPU A40i, Quad-core,Dominant Frequency up to 1.2GHz, Android7.1.1

Mail-T764 GPU MP4    Quad-core GPU

Support OpenGL ES1.1/2.0,OpenVG1.1,OpenCL

Memory DDR3, 1GB
Built-in ROM


TF Card Extend(Extendable   SSD)


Support RJ45 R/A 100M

Support 2.4G Wi-Fi, support Wi-Fi   802.11b/g/n protocol.

Image Rotation Support 0 degree, 90 degree,   180 degree, 270 degree manual rotation
Display Interface 1 HDMI, 1.4 support 4K@30Hz output
Audio Support standard left &   right channel line output
RTC Built-in real-time clock function
USB 1USB-2.0 HOST, 1 USB2.0 or OTG
LED 1*power status LED(green),1*system LED(green blinking in default)
Button 1 * Recovery   button
Power Adapter

Input: AC100-240V.50-60Hz, output: DC12V 1.5A

(Requires that the surge voltage is less than 18V and the ripple voltage   is less than 100mV)

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