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2.1 inch Small NFC E Tag E-Paper Electronic Label

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Categories	Electronic Shelf Labels Mobile Apps
Brand	Sertag Electronic shelf labels Manufacturer
Model	NFC E Tag SETPN21_S
Dimensions (mm)	75355
Active Area	23.71 * 48.55
Resolution	250 * 122
Operating Frequency	13.56 MHZ NFC
Proximity sensing	Yes
Power	No Battery & NFC power supply
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Update Time	Mar 3,2026

Detail Information

2.1 inch Small NFC E Tag E-Paper Electronic Label

The 2.1 inch smart NFC E tag, is a battery-free, maintenance-free, and wireless e-paper electronic label designed for ultra-low cost operation and seamless update experience. Powered and updated via NFC technology, this nfc e-paper tag eliminates the need for batteries or cables, making it ideal for modern retail, warehousing, logistics, and smart operations.

Why Choose Sertag 2.1 inch NFC E Tag?

🔋 Battery-Free & Wireless Power

• Powered entirely through passive NFC — no battery required.

• Eliminates battery replacement, reducing long-term maintenance costs and environmental impact.

• Simplifies installation and infrastructure requirements across all deployment sites.

📶 NFC Powered Content Updating

• Uses standard 13.56 MHz NFC communication for both power and data transfer.

• Display content can be refreshed quickly by smartphone or NFC reader — as easy as a credit card tap.

• Supports remote updates and fast content changes without additional hardware.

🖤 E-Ink Display — Paper-Like Readability

• 2.1″ black & white E-Ink display with high contrast and wide viewing angle (>170°), delivering excellent readability in various lighting conditions.

• Once updated, the display holds content indefinitely without consuming power.

How does the 2.1 inch NFC E Tag Work?

We provide the controller + card reader, operate and modify the content on the computer web page, to ensure the flexible use of the case, do not do any development can also operate on the web page, brush the card content.

NFC Powered E ink Label Application

• Retail & Supermarket Price Tags — Display prices, promotions, product info; update instantly via NFC.

• Warehouse & Inventory Labels — Track pallets or bin locations without wiring or power sources.

• Asset Management Tags — Mark equipment, tools, machine parts with dynamic information.

• Conference & Event Badges — Tap to update schedules, names, or personalized content.

• Logistics & Supply Chain — Real-time updates on packages, shipments, and sorting stations.

Product Model	SETPN21_S	Dimensions (mm)	75355
Display Technology	E-ink	Active Area (mm)	23.71 * 48.55
Screen Resolution	250*122	Pixel Size (mm)	0.194 * 0.194
Pixel Colors	Black, white	Viewing Angle	Nealy 180°
Operating Temperature	0-50℃	Power	No Battery & NFC power supply
Operating Frequency	13.56 MHZ NFC	Short-range Sensing	Yes
Support Content Format	Text, picture, QR code, Barcode	Template Design DIY	Yes

2.1 inch Small NFC E Tag E-Paper Electronic Label

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