Question 1

What is NFC and how does it work?

Accepted Answer

NFC (Near Field Communication) is a wireless technology that enables data transfer between devices within 4cm distance. NFC tags contain a small antenna and a chip that stores data. When an NFC-enabled phone comes close, electromagnetic induction powers the chip, which then transmits its stored data to the phone.

Question 2

Do NFC tags require batteries?

Accepted Answer

No. NFC tags are passive devices that draw power from the electromagnetic field generated by the reading device (smartphone). This means they have unlimited lifespan and never need charging or battery replacement.

Question 3

What's the difference between NFC and RFID?

Accepted Answer

NFC is a subset of RFID technology. NFC operates at 13.56 MHz with a very short range (4cm), while RFID encompasses multiple frequencies and longer ranges. NFC is designed for secure, intentional interactions - you must physically bring devices close together.

Question 4

Which phones support NFC?

Accepted Answer

Most modern smartphones support NFC: iPhone 7 and newer (iOS 13+), and Android phones from 2015 onwards. Over 90% of smartphones sold today have NFC capability. Some budget Android phones may have it disabled - check Settings > Connected Devices > NFC.

Question 5

What's the difference between NTAG213, 215, and 216?

Accepted Answer

The main difference is memory capacity. NTAG213 has 144 bytes (good for URLs up to 132 characters), NTAG215 has 504 bytes (good for longer URLs or vCard data), and NTAG216 has 888 bytes (good for full contact cards or multiple data records). All three have similar performance and compatibility.

Question 6

When should I use NTAG 424 DNA?

Accepted Answer

NTAG 424 DNA is designed for authentication and anti-counterfeiting. It generates unique, encrypted codes on each tap that can verify the tag is genuine. Use it for product authentication, loyalty programs, or any application where you need to verify the tag hasn't been cloned.

Question 7

What's the read range of your NFC tags?

Accepted Answer

Typical read range is 1-4cm depending on the tag form factor and phone model. Metal card tags have slightly shorter range (1-2cm) due to shielding. Anti-metal tags are optimized to work on metal surfaces with 2-3cm range. Stickers on non-metal surfaces achieve 3-4cm range.

Question 8

Can I rewrite NFC tags?

Accepted Answer

Most of our tags are rewritable by default. You can overwrite the data thousands of times. However, tags can be permanently locked after programming to prevent unauthorized changes. We recommend testing your programming before locking.

Question 9

Which form factor should I choose?

Accepted Answer

Stickers are versatile and low-cost for most applications. Cards are professional for business cards and access. Keychains are great for personal use and giveaways. Wristbands suit events and access control. On-metal tags are required when mounting on metal surfaces. Consider your use case, environment, and budget.

Question 10

Do anti-metal tags work on all metal surfaces?

Accepted Answer

Anti-metal tags have a ferrite layer that shields the antenna from metal interference. They work on most metal surfaces including steel, aluminum, and copper. Performance may vary on highly magnetic surfaces. For critical applications, we recommend testing with your specific metal type.

Question 11

Are your tags waterproof?

Accepted Answer

Our standard stickers are splash-resistant (IP65). Epoxy-coated tags and silicone wristbands are waterproof (IP67). For full submersion or harsh environments, check the IP rating in the product specifications. We offer industrial-grade options rated for outdoor and marine use.

Question 12

What's the temperature range for NFC tags?

Accepted Answer

Standard tags operate from -25C to +70C. High-temperature industrial tags can withstand up to +200C. For extreme environments (freezers, autoclaves, outdoor), check the specific product temperature rating. Most chips retain data even outside operating range but won't scan.

Question 13

How do I program NFC tags?

Accepted Answer

You can program tags using any NFC-enabled smartphone with a free NFC writing app (NFC Tools, TagWriter). Simply open the app, enter your URL or data, and tap the tag. For bulk programming, we offer pre-programming services or desktop USB readers for high-volume encoding.

Question 14

What data types can I store on NFC tags?

Accepted Answer

NFC tags can store URLs (most common), plain text, vCard contacts, Wi-Fi credentials, phone numbers, email addresses, geographic coordinates, and custom application data. The NDEF format ensures compatibility across all NFC-enabled devices.

Question 15

Can you pre-program tags for me?

Accepted Answer

Yes! We offer encoding services for any order quantity. Send us your URLs or data (CSV for bulk), and we'll program each tag before shipping. We can also add sequential numbering or unique identifiers. Contact us for encoding pricing.

Question 16

How do I test if a tag is working?

Accepted Answer

On iPhone: Hold the top edge of the phone near the tag. On Android: Ensure NFC is enabled in Settings, then tap the back of your phone to the tag. If nothing happens, try different angles or check that background NFC reading is enabled on your device.

Question 17

What's the minimum order quantity?

Accepted Answer

For stock items, there's no minimum - you can order even a single tag. For custom-printed or bulk orders, minimums vary: 100 pieces for custom printing, 1000+ for custom shapes or special chips. Check product pages for specific MOQs.

Question 18

How fast do you ship?

Accepted Answer

Stock items ship within 24-48 hours. Delivery takes 3-5 days for metros and 5-7 days for other locations via tracked courier. Express shipping is available. Custom orders take 7-10 days for production plus shipping.

Question 19

Do you ship internationally?

Accepted Answer

Yes, we ship worldwide via DHL/FedEx. International orders typically arrive in 7-10 business days. Import duties and taxes (if any) are the responsibility of the recipient. Contact us for bulk international shipping rates.

Question 20

What's your return policy?

Accepted Answer

Unopened stock items can be returned within 7 days for a full refund. Custom-programmed or printed tags cannot be returned unless defective. For DOA (dead on arrival) claims, contact us within 48 hours of delivery with photos/video.

Frequently Asked Questions

NFC Basics

Chips & Memory

Form Factors

Programming & Setup

Orders & Shipping

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