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31.2" E Ink Outdoor Display | Digital Signage – DMPH312EC1
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31.2" E Ink Outdoor Display | Digital Signage – DMPH312EC1

The e-paper display, with a 31.2-inch black-and-white screen, is perfect for outdoor use. This product is ideal for signs, smart light poles, exhibition halls, bus stations, libraries, museums, hospitals, and other locations where reducing light pollution is important. It offers an ultra-low power consumption display solution.
Number of views:
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Product serial number
653120EH
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Overview
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31.2" E Ink Outdoor Display | Digital Signage 

Low power consumption, wide viewing angle, and easy to read even without power

E ink Display Product introduction

  • Easy Updates: USB and Wi-Fi support 
  • Processing: Powered by a quad-core ARM Cortex-A7 CPU
  • All-Weather Durability: Operates from -15°C to 65°C
  • IP65 Protection: Dustproof and waterproof for harsh environments
  • OS: Android 7.1 Nougat
  •  


Key Features

 

Outdoor-Ready


IP65-rated, reliable from -15°C to 65°C.

Ultra-Low Power

 

3.7W operation, <0.01W standby.

Fast Refresh

 

Updates in just 2 s.

 

Paper-Like Display

 

2560x1440 resolution, 16 grayscale levels.

 

Flexible Power Options

 

Supports 12–20V/2A adapter or optional battery backup.

 

Flexible Updates

 

USB flash drive, Wi-Fi, and optional 4G connectivity.

 


Device Ports & Interfaces

All device ports (except wall-mount bracket) are located inside the enclosure, accessible by removing the back cover.

USB 2.0 Port (Type-A)

For inserting a USB flash drive to upload/update display content. FAT32 format recommended.

USB 2.0 OTG Port

Used for mainboard debugging and firmware upgrades. OTG function can be toggled via long-press of [DOWN] key.

Ethernet Port (RJ45)

10/100 Mbps LAN port for wired network connectivity.

microSD (TF) Card Slot

Supports inserting a microSD card for additional storage (up to 128 GB).

SIM Card Slot

For an optional 4G/LTE module. Insert an IoT (cellular) SIM card here if cellular data is required.

HDMI Output

Connect an external monitor to output the Android mainboard's display content.

Wi-Fi/4G Antenna Connector

SMA-style connector for the included antenna (used for Wi-Fi and 4G signals).

USB-C (PD) Power Input

Used to connect the external 12–20 V DC power supply (USB-C PD adapter, optional).

 

 

 

Android WiFi Control App for E-Paper Displays

 

Scan the QR code to get the app

 

 
Wirelessly manage your e-paper display with our dedicated Android application
 
 
 
 
 


 

 

Applications of Electronic Paper Signage

     

E Ink displays are an ideal solution for smart streetlights, exhibition halls, bus stops, libraries, museums, outdoor billboards, hospitals, and other locations that require reduced light pollution and can operate without a constant power supply. 

 

 

 

 

  • Our standard unit is just the starting point – our real expertise lies in creating tailored solutionsto meet your specific needs.
  • We offer flexible hardware configurationsand seamless API integrationto ensure compatibility with your systems.
  • With us, you’re not just buying a product – you’re getting a partner committed to delivering the perfect fit for your business.

 

 

System Types and Features of E Paper Display

DMPH280EG1 Android System

Android OS offers a sleek, interactive interface and smooth operation. Fully compatible with third-party apps and plugins, it’s perfect for smart devices and user-facing terminals.

Industrial-grade X86 System

Industrial X86 PC offers robust performance and full compatibility, effortlessly running industrial software and meeting tough hardware demands.

Embedded System

Embedded Systems provide a compact, energy-efficient solution for single-purpose tasks. Quick and reliable, they’re great for automation, monitoring, and data collection.

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Keyword:
e ink outdoor sign
We could not find any corresponding parameters, please add them to the properties table

 

PARAMETERS

Part Number

DMPH312EC1

Display parameter

Screen Size: 31.2 inch
Screen Type: Black and White E-ink Display  
Screen Resolution: 2560x1440  
Screen Grayscale: 16 levels

Port parameter

USB2.0: One route HOST, one route OTG
HDMI-OUT: 1 route
RJ45: 1 route 10M/1000M adaptive
TF: Reserved (maximum expansion 128G)
KEY: POWER, UP, DOWN, RESET

Power consumption parameter

Power Supply Mode: Adapter with Type-C output supporting PD protocol (optional)
Refresh Power: ≤3.7W
Standby Power: ≤0.01W
Built-in Battery: 54W/H

Software parameter

Image Refresh Time: 2s
Refresh Method: USB flash drive and WiFi image refresh
Language: Supports multiple languages (default English)

Motherboard parameter

WiFi Band: 2.4GHz
Bluetooth: 4.0 (Bluetooth update for images not currently supported)
Operating System: Android 7.1
CPU: Quad-core ARM Cortex A7
DDR : 1GB
EMMC: 8GB
Front Light Power: ≤15.36W
Waterproof Rating: IP65

Specification

Weight: Approximately 28kg
Dimensions: 843.2x560x80mm

Supports hanging and wall mounting (default is wall mounting)

Temperature and humidity parameter

Operating Temperature: -15°C to 60°C
Storage Temperature: -25°C to 70°C
Operating Humidity: 20% to 90%

 

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