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4.2 inch Passive NFC-Powered ESL Tag, No Battery, Wireless, GDN042BW
Number of views:
1000
Product serial number
630N420BW
Category
NFC Label
Quantity
-
+
OVERVIEW
SPECIFICATION
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4.2" Battery-Free NFC E-Paper Tag
✅ Compatible with Apple and Android devices.
⚠️ Not currently supported on Samsung phones.
NFC performance may vary depending on phone model — we recommend testing with your specific device before deployment.
Say Goodbye to Battery Anxiety!
Update Smart Shelf Labels with Your Phone – Zero Power Consumption, Permanent Display!
NFC Powered, Battery-Free Customizable Content
Tap to refresh, information updates instantly – no cables or base stations required. Ideal for shelf labels, asset tags, desk nameplates, smart (warehousing), and more.
4.2" Passive NFC E-Paper Tag (Black & White)
The GDN042BW is a 4.2-inch black and white E-Ink tag powered by passive NFC – no batteries, no charging, no maintenance. Housed in a sleek, lightweight ABS shell, it's perfect for smart shelf labels or signage. Update it effortlessly with your smartphone via our dedicated app – just a tap and it's done!
* Note: Compatible with most NFC-enabled phones. Please contact us to confirm compatibility before ordering.
Stylish ABS Protective Shell
Compact and stylish design with a sturdy ABS shell (EW042F16) – easy to install and fully customizable to your brand or style. Impact-resistant, lightweight, suitable for retail and industrial environments.
Key Features
Wireless Updates
Change images instantly via the mobile app – no computer needed.
No Power Source Needed
Powered by NFC – a single tap from your phone provides energy, eliminating batteries entirely.
Ultra-Low Power
E Ink technology enables always-on display with zero power consumption; retains image when power is off.
Seamless App Control
Dedicated iOS & Android app — easily manage images, text, barcodes, and more.
Complete Documentation
Quick start guide + technical manual, developer-friendly.
Durable ABS Shell
Lightweight, sturdy, and impact-resistant for various environments.
Dual Driver Solutions · Flexible Deployment
I. Mobile App Solution
iOS
Download from App Store
Search: NFC-D3-Pro
ℹ️ For best results, hold your phone stably within about 1 cm of the e-paper display during NFC transmission.
II. PC NFC Reader/Writer Solution
- NFC Power & Data Transfer: The tag gets power wirelessly from the reader; place it to refresh.
- Pure PC Control: Run the ImageToNFC tool, import JPG/BMP images to refresh.
- Multi-color E-Paper Support: B/W, B/W/R, B/W/R/Y, compatible up to 4.2 inches.
- Traceable & Secure Data: Local file processing, no cloud upload, enterprise-grade encryption.
⚠️ NFC Usage Note: For optimal experience, avoid using the device directly on metal surfaces, as metal can block or weaken the NFC signal.
Core Value Visualization
| Pain Points of Traditional ESL | GDN029BW Breakthrough |
|---|---|
| Battery replacement costs, regular maintenance | Passive NFC power, zero maintenance |
| Requires dedicated base station/gateway | Android phone acts as controller, update anytime |
| Static printed labels, non-reusable | Fully customizable via app, personalized content |
NFC TAG LOCATION
Align your device's NFC with this area.
NFC Connection Stability Guide
NFC can occasionally experience data loss or connection interruptions due to external factors. To improve performance, we recommend the following practices:
Optimal Range
Keep within 1-2 cm proximity
Check Device State
Restart or reset NFC function
Reduce Interference
Avoid metal cases / thick protective films
Avoid EM Sources
Keep away from chargers, Bluetooth, etc.
Matching E-Paper + Communication (NFC) Board
Mounting System – Complete Installation Solution
Our durable ABS rail system enables quick, tool-less installation of NFC ESL tags, ideal for retail. Includes mounting strips and removal tool for easy setup and maintenance.
Key Features:
✅ Fast Installation: No tools required
✅ ABS Rail: Durable
✅ Includes Removal Tool: Safe tag replacement
✅ Compatibility: Fits all GooDisplay NFC ESL tags
More Sizes, More Choices
From small tags to larger signage – we offer the perfect NFC E-Paper solution for your needs. Choose from 1.54", 2.13", 2.9", and 4.2" displays, available in B/W, 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 identifiers, ID badges, and more.
Explore More Passive NFC Tags →Beyond the Product: Our 4 Guarantees
Expert Technical Team
Senior engineers provide full technical support, from solution design to application implementation.
Perfect Quality System
8 strict quality inspection processes, international standard certification, 99.9%+ pass rate.
18 Years of Industry Leadership
Providing mature, professional solutions to tens of thousands of customers worldwide.
Robust Stock Availability
Sufficient inventory of core products, 48-hour fast shipping (business days).
Keyword:
E-Ink Display
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Time of issue:2020-04-27 00:00:00
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