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7.5" Four-Color E-Paper Signage | 800×480 Resolution with Wi-Fi, Battery & USB — Models GDP075FW1/GDP075FU1/GDP075FW1B
Number of views:
1000
Product serial number
640750ZFW
Category
WiFi/USB Label
Quantity
-
+
OVERVIEW
SPECIFICATION
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7.5" Four-Color E-Paper Signage
The same core display technology, three flexible connectivity options. Choose the most suitable model based on your power supply, deployment, and network environment.
GDP075FW1 Wi-Fi Version · USB Powered
Offline Environment · Physical Security
- ✅ Micro USB continuous power, no battery required
- ✅ Wireless updates over Wi-Fi LAN
- ✅ No built-in battery, weight ~204g
- ✅ Ideal for fixed installation scenarios
- ✅ Cost-effective and easy to maintain
GDP075FU1 USB-Wired
Continuous Power · Stable & Reliable
- ✅ Micro USB wired connection, plug-and-play
- ✅ No network required, physically isolated for greater security
- ✅ STM32F1 main controller, stable and reliable
- ✅ Suitable for security-sensitive scenarios (finance, healthcare, etc.)
- ✅ No Wi-Fi module, more cost-effective
GDP075FW1B Batt · WiFi · MQTT
Flexible Deployment · Remote Management
- ✅ 4000mAh rechargeable Li-ion battery, no USB tethering
- ✅ Wi-Fi provisioning + MQTT remote updates
- ✅ Configurable sleep mode (1–24 hrs), ultra-low power
- ✅ Weight ~220g, thickness 12mm
- ✅ Micro USB charging & firmware upgrade
All three models share the same E-Paper core
7.5" Four-Color Display
Black / White / Red / Yellow · 800×480
Ultra-Wide Viewing Angle
Bistable, retains image even when powered off
Wide Operating Temperature
0℃ ~ 40℃ Operating · -25℃ Storage
Thin & Light Dimensions
196×138×12mm · Common to all three models
Full Technical Specification Comparison
| Parameter | GDP075FW1B (Battery) | GDP075FW1 (Wi-Fi) | GDP075FU1 (USB) |
|---|---|---|---|
| Built-in Battery | ✅ 4000mAh Li-ion | — | — |
| Power Supply | Built-in battery / Micro USB charging | Micro USB continuous power | Micro USB continuous power |
| Wi-Fi (2.4G) | ✅ Supported | ✅ Supported | — |
| MQTT Remote Update | ✅ Web-based support | — | — |
| Sleep Mode | ✅ 1–24h configurable | — | — |
| Main Controller | ESP32-WROOM-32D | ESP32-WROOM-32D | STM32F1 Series |
| Weight | ~220g | ~204g | ~204g |
| Dimensions | 196 × 138 × 12 mm (identical for all three) | ||
| Display Specifications | 7.5" Four-Color (Black/White/Red/Yellow) · 800×480 · Refresh ~20s | ||
| Operating Temperature | 0℃ ~ 40℃ | ||
| Storage Temperature | -25℃ ~ 70℃ | ||
| Software Tools | ImageToWiFi + MQTT2EPD | ImageToWiFi | |
Software & Development Ecosystem
Complete toolchain provided for rapid integration and secondary development
ImageToWiFi
PC image transfer · USB provisioning · Wi-Fi configuration
MQTT2EPD Web Portal
Remote management · Offline push · Wake-up update
Android Control App
Wireless management · Convenient configuration and updates
API & SDK
Best cost-performance · Supports custom-branded UI
Applications of Electronic Paper Signage
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| Libraries, Museums | Hospitals | Warehousing & Logistics | Supermarkets |
Comes with E-Paper Display and Development Kit
Matching E-Paper + Wi-Fi Board
Matching E-Paper + USB Board
More Transmission Methods – Unlock Infinite Possibilities
Operation · Packaging · Shell
WiFi Mobile / Desktop · Full Package · Interchangeable Shells
Mobile (Android)
WiFi Direct- Dedicated WiFi-W1 APK for wireless management
- Scan / LAN discovery for quick network setup
Download APK: e-paper-display.com/WiFi-W1.apk
Desktop (Windows / Mac)
USB + WiFi- ImageToWiFi desktop tool (USB provisioning & image transfer)
- Direct USB flashing / firmware updates
- MQTT2EPD Web backend (remote management, scheduled push)
- API / SDK support for custom development & UI
Supports Win10+ / macOS 11+
Keyword:
electronic shelf labels
7.5-inch color E Ink
7.5 inch ESL
Electronic Price Tag
E Ink shelf label
E Ink signage display
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