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4.2 inch Passive NFC-Powered ESL Tag, No Battery, Wireless, GDN042BW
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4.2 inch Passive NFC-Powered ESL Tag, No Battery, Wireless, GDN042BW

4.2-inch NFC monochrome e-paper tag with fast refresh — no battery or charging required. Easy updates via Android, 400x300 resolution, ultra-low power consumption.
Number of views:
1000
Product serial number
630N420BW
Category
NFC Tag
Quantity
-
+
OVERVIEW
SPECIFICATION
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4.2" Battery-Free NFC E-Paper Display

Say goodbye to battery anxiety! Update smart shelf labels with your phone – zero consumables, permanent display!

NFC-Powered, Battery-Free E-Paper – Android Only, Customizable

 

4.2-inch Passive NFC E-Paper Label

The GDN042BW is a 4.2-inch black-and-white E Ink display powered by passive NFC – no batteries, no charging, no maintenance. Housed in a sleek, lightweight ABS case, it's perfect for smart shelf labels or tags. Easily updated via Android smartphones using our dedicated app – just tap and go!

*Note: Works with most Android phones that support NFC. To ensure compatibility, feel free to contact us before placing your order.

Sleek ABS Protective Case

Stylish and compact, with a tough ABS shell – simple to mount and fully customizable for your brand or style.

 

Product Features 

Wireless NFC Technology

 

Contactless wireless updates and programming

Maintenance-Free Digital Labels

No wiring, no charging, no battery replacements

Ultra-Low Power

 

E Ink tech for always-on visibility (Near-zero sleep power)

Android App Control

 

Customize and update anytime with ease

Full Documentation Provided

Quick start guides and technical manuals included

Durable ABS Housing

 

Lightweight, tough, and impact-resistant

How It Works

Wirelessly powered and refreshed by bringing an NFC-enabled smartphone or card reader close to the device.

Operation Principle

 

⚠️ Note on NFC Usage: For the best experience, please avoid using the device directly on metal surfaces, as metal may block or weaken the NFC signal. 

 Core Value Visualization

Pain Points of Traditional ESLs GDN042BW Breakthrough
 Battery replacement cost  Battery-free NFC-powered
 Requires dedicated base stations Android phone as controller
 Static printed labels Customizable via APP

 

 

App Operation Steps for Android Users

 

For Android Users

Scan the QR code to get the app

1
The app will detect the e-paper display and automatically perform data transmission and refresh operations.
2
Please ensure that your phone's NFC is enabled before use. During data transmission and refreshing, do not move the phone.
NFC TAG LOCATION
NFC Tag Location


NFC Connection Stability Guide

NFC may occasionally experience data loss or interruptions due to external factors. To improve performance, follow these recommendations:

Range icon
Best Use Range

Keep devices aligned within 1–2cm.

Device status icon
Check Device Status

Restart or reset NFC if issues occur.

Interference icon
Reduce Interference

Avoid metal cases or thick protectors.

EM sources icon
Stay Clear of EM Sources

Stay clear of chargers, Bluetooth, and strong EM sources.

 

 

Matching E-paper + NFC Board 

 

 

 

ESL Mounting System – Complete Installation Solution

Our durable ABS rail system enables quick, tool-free installation of NFC ESL tags—ideal for retail. Includes snap-on rails and a removal tool for effortless setup and maintenance.

Key Features: 

Snap Install: No tools needed
ABS Rails: Durable for heavy retail use
Removal Tool Included: Safe label swaps
Compatibility: Fits All GooDisplay NFC ESLs

 

 

 More Sizes, More Possibilities

 

From compact tags to larger labels – we’ve got the perfect NFC-powered E-Paper solution for every need. Choose from 1.54", 2.13", 2.9", and 4.2" displays, available in black & white, 3-color, or 4-color versions.

All models are battery-free, Android-compatible, and built with durable, lightweight materials. Perfect for smart shelf labels, product tags, ID badges, and more.

 Browse All NFC E-Paper Tags →
Keyword:
E-Ink Display
We could not find any corresponding parameters, please add them to the properties table

 

PARAMETERS 

PART NUMBER

GDN042BW

SIZE OF EPD

4.2 inch

POWER SUPPLY

Wireless

DISPLAY COLOR

Black and White

DOT PITCH(mm)

0.212x0.212

RESOLUTION

400x300

GREY SCALE

2

REFRESH TIME

3s

DISPLAY SIZE(mm)

84.8x63.6

OUTLINE DIMENSION(mm)

104.8x94x10.18

 

 

DRAWING

   

 

 

 

 

 

 

 

 

 

 

 

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Time of issue:2020-04-27 00:00:00

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