Custom NFC tags

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Use Custom NFC Tags to Create a Unique and Effective Brand and Marketing Campaign

Custom NFC tags are a powerful and innovative tool that can help you create a unique and effective brand and marketing campaign. They can help you:

– Make your NFC tags stand out with your logo, design, color, shape, size, and content.
– Choose a professional and reliable RFID tag maker that can provide you with high-quality custom NFC tags at competitive prices and fast delivery.
– Unleash your creativity and imagination to use custom NFC tags for various applications and scenarios that can benefit your brand and marketing.
– Boost your brand and marketing results with the advantages and features of custom NFC tags such as innovation, convenience, versatility, interactivity, etc.

If you are interested in using  NFC tags for your brand and marketing campaign, please contact us today. We are a professional and reliable RFID tag maker that can help you create high-quality custom NFC tags for your needs. We offer various types of  NFC tags for different purposes at reasonable prices and fast delivery. We also offer excellent customer service and support for our custom NFC tags. We guarantee 100% satisfaction and quality for our custom NFC tag.

Don’t miss this opportunity to use custom NFC tags to boost your brand and marketing results. Contact us today and get started with your  NFC tag project. We look forward to hearing from you soon.

Custom NFC tags

RFID Tag Maker can Custom NFC tags in a variety of shapes, sizes and chip types to meet your specific needs. Click”Get Free sample” above and share specific details regarding your project. The RFID Tag Maker team will contact you with any questions and quotes will be based on the specific product configuration, quantity, delivery times and other services including encoding and printing that you require.

For budgetary purposes, typical prices range from $0.23 to $1.0 depending on quantity, customizations, and market conditions. A quote will be created once the specific chip type and all customizations are known.

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Custom social NFC tag

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Table of Contents

Do you want to make your brand stand out from the crowd and attract more customers? Do you want to create a unique and engaging marketing campaign that can boost your conversion rate and loyalty? If yes, then you should consider using our NFC tags.

 NFC tags are small stickers or labels that contain a microchip and an antenna. They can store and transmit data wirelessly when they are scanned by a compatible device, such as a smartphone or a tablet. You can customize your NFC tags with your logo, design, color, shape, size, and content. You can also use them for various purposes, such as product information, promotion, loyalty program, social media, contactless payment, and more.

In this article, we will show you how custom NFC tags can benefit your brand and marketing, and how to use them effectively. We will also introduce you to our professional and reliable RFID tag maker service, which can help you create high-quality custom NFC tags for your needs.

– The size and shape of the NFC tag: You should choose a size and shape that fits your product or application. For example, if you want to use NFC tags for clothing or accessories, you can choose a small and round tag that can be easily attached or sewn. If you want to use NFC tags for posters or flyers, you can choose a large and rectangular tag that can be easily seen and scanned.
– The color and design of the NFC tag: You should choose a color and design that matches your brand identity and message. For example, if you want to use NFC tags for a festive or seasonal promotion, you can choose a bright and colorful design that can catch the attention of your customers. If you want to use NFC tags for a professional or formal purpose, you can choose a simple and elegant design that can convey your credibility and authority.
– The content and function of the NFC tag: You should choose a content and function that provides value and convenience to your customers. For example, if you want to use NFC tags for product information, you can include the product name, description, price, features, reviews, etc. If you want to use NFC tags for promotion, you can include a discount code, a coupon, a free sample, etc. You can also link your NFC tags to your website, social media, video, audio, etc.

– They are easy to use: Your customers only need to tap their smartphone or tablet on the tag to access the content or function. They do not need to download any app or scan any QR code.
– They are interactive and engaging: Your customers can interact with your brand and product in a fun and creative way. They can also share their experience with their friends and family through social media or other channels.
– They are personalized and customized: You can tailor your NFC tags according to your specific needs and preferences. You can also update or change the content or function of your NFC tags anytime.

The second step to use custom NFC tags is to choose a professional and reliable RFID tag maker. RFID tag maker is a company or service that specializes in producing RFID tags, including NFC tags. They have the expertise and equipment to ensure the quality and performance of your custom NFC tags.

Choosing a professional and reliable RFID tag maker is important because:

– They can provide you with high-quality custom NFC tags: They can ensure that your custom NFC tags are made of durable materials that can withstand various environmental conditions. They can also ensure that your custom NFC tags have a high data capacity and transmission speed that can support your content or function.
– They can provide you with competitive prices and fast delivery: They can offer you reasonable prices that fit your budget. They can also deliver your custom NFC tags within a short time frame that meets your deadline.
– They can provide you with excellent customer service and support: They can assist you with any questions or issues that you may have regarding your custom NFC tags. They can also provide you with after-sales service and warranty for your custom NFC tags.

We are one of the leading RFID tag makers in the industry. We have more than 10 years of experience in producing RFID tags for various industries and applications. We have a team of professional designers and engineers who can help you create high-quality custom NFC tags for your needs. We also have advanced equipment and technology that can ensure the quality and performance of your custom NFC tags.

We offer various types of custom NFC tags for different purposes:

– Custom NFC stickers: These are thin and flexible labels that can be easily attached to any surface. They are suitable for product information, promotion, loyalty program, etc.
– Custom NFC cards: These are rigid and durable cards that can be easily carried or stored. They are suitable for contactless payment, membership card, business card, etc.
– Custom NFC keychains: These are small and portable accessories that can be easily attached to keys or bags. They are suitable for personal identification, access control,
security token
etc.
– Custom NFC wristbands: These are comfortable and fashionable bands that can be easily worn on the wrist. They are suitable for event management, healthcare fitness tracking etc.

We offer competitive prices and fast delivery for our custom NFC tags. We also offer excellent customer service
and support for our custom NFC tags. We guarantee 100% satisfaction and quality for our custom NFC tags.

The third step to use custom NFC tags is to unleash your creativity
and imagination You can use custom NFC tags for various applications and scenarios that can benefit your brand and marketing
You can also experiment with different ideas and combinations
that can create unique and memorable experiences for your customers.

Some of the common applications and scenarios of custom NFC tags are:

– Product information: You can use custom NFC tags to provide detailed and updated information about your products such as name
description price features reviews etc. This can help your customers make informed decisions and increase their trust and satisfaction.
– Promotion: You can use custom NFC tags to offer attractive incentives
and rewards
to your customers such as discount codes coupons free samples etc. This can help you increase your sales conversion rate retention rate etc.
– Loyalty program: You can use custom NFC tags to create a loyalty program that rewards your customers for their repeated purchases or visits such as points badges vouchers etc. This can help you increase your customer loyalty retention rate referral rate etc.
– Social media: You can use custom NFC tags to link your customers to your social media platforms such as Facebook Twitter Instagram etc. This can help you increase your brand awareness engagement reach etc.
– Contactless payment: You can use custom NFC tags to enable contactless payment for your products or services such as PayPal Google Pay Apple Pay etc. This can help you increase your payment convenience security speed etc.
– And more: You can use custom NFC tags for other purposes such as event management healthcare fitness tracking personal identification access control security token etc.

Some of the creative
and interesting examples of custom NFC tag applications are:

– A clothing store uses custom NFC stickers on its clothes labels that link to its online store where customers can buy more sizes colors styles etc.
– A coffee shop uses custom NFC cards as its loyalty cards that give customers free drinks after 10 purchases or visits.
– A museum uses custom NFC keychains as its admission tickets that allow customers to access different exhibits audio guides interactive games etc.
– A fitness center uses custom NFC wristbands as its membership bands that track customers’ workouts calories burned heart rate etc.

These are just some of the examples of how custom NFC tags can be used creatively and effectively for different purposes
and scenarios.You can also come up with your own ideas and combinations that suit your brand and marketing goals and strategies

1. Get some blank NFC tags that are compatible with your device and your purpose. You can choose from various types of NFC tags, such as stickers, cards, keychains, wristbands, etc. You can also choose from different NFC chip models, such as NTAG213, NTAG216, etc. Make sure the NFC tags are not locked or written before, as you cannot rewrite them once they are locked.


2. Install an NFC tag writing app on your device. You can use NFC Tools for Android or iOS, or any other app that can write NFC tags. You can also use the Shortcuts app on iOS 14 or later to create custom NFC tags with automation.


3. Design and create your custom NFC tag with your logo, design, color, shape, size, and content. You can use online tools or software to design your own custom NFC tag, or you can hire a professional designer to do it for you. You can also use the NFC tag writing app to add text, URL, email, contact card, phone number, etc. to your custom NFC tag.


4. Write your custom NFC tag with your device. You need to tap your device on the NFC tag and follow the instructions on the app to write the data to the tag. It should only take a few seconds to write the tag. You can also rewrite your custom NFC tag with different data as many times as you want.


5. Test your custom NFC tag with your device or another device. You need to tap your device on the NFC tag and see if it works properly. You should be able to access the content or function of your custom NFC tag without any problem.

These are the steps to make custom NFC tags with your device. However, if you want to make high-quality custom rewritable NFC tags for your brand and marketing campaign, you may need a professional and reliable RFID tag maker service.

We are a professional and reliable RFID tag maker service that can help you create high-quality custom rewritable NFC tags for your needs. We have more than 10 years of experience in producing RFID tags for various industries and applications. We have a team of professional designers and engineers who can help you create high-quality custom rewritable NFC tags for your needs. We also have advanced equipment and technology that can ensure the quality and performance of your custom rewritable NFC tags.

We offer various types of custom rewritable NFC tags for different purposes:

– Custom rewritable NFC stickers: These are thin and flexible labels that can be easily attached to any surface. They are suitable for product information,promotion loyalty program etc.
– Custom rewritable NFC cards: These are rigid and durable cards that can be easily carried or stored. They are suitable for contactless payment,membership card business card etc.
– Custom rewritable NFC keychains: These are small and portable accessories that can be easily attached to keys or bags. They are suitable for personal identification,
access control security token etc.
– Custom rewritable NFC wristbands: These are comfortable and fashionable bands that can be easily worn on the wrist. They are suitable for event management,
healthcare fitness tracking etc.

We offer competitive prices and fast delivery for our custom rewritable NFC tags

We also offer excellent customer service and support

for our custom rewritable NFC tags

We guarantee 100% satisfaction and quality for our custom rewritable
NFC tags

If you are interested in using our service to create high-quality custom rewritable NFC tags for your brand and marketing campaign,

please contact us today.

We are a professional

and reliable RFID tag maker service

that can help you create high-quality custom

rewritable NFC tags for your needs.

Don’t miss this opportunity to use our service to create high-quality custom rewritable NFC tags for your brand and marketing campaign.

Contact us today and get started with your custom rewritable NFC tag project.

We look forward to hearing from you soon.

 

Popular NFC Chips

NXP’s NTAG family of chips are by far the most common chips used in mobile applications. Basic details are listed here, and a breakdown of each feature and chip is listed below.

 

ChipMemoryUser MemoryMax URLScan CounterPasswordAuth
MIFARE Ultralight644840
MIFARE Ultralight EV1 (80byte)804840Yes
MIFARE Ultralight EV1 (164byte)164128120Yes
NTAG203(discontinued)168144136*
NTAG210µ644840
NTAG210804840Yes
NTAG213180144136*YesYes
NTAG215540504492YesYes
NTAG216924888854YesYes
NTAG424256**240YesYesYes
NTAG213 TTtbctbctbcYesYes
ST25TN01K256160152
ST25TN5122566456
NTAG426Q916**YesYesYes
NTAG223144**YesYesYes
NTAG224207**YesYesYes

 

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Other NFC chips

Obviously, ST, NTAG, ICODE and MIFARE Ultralight® chips are not the only NFC chips on the market. Of course, NXP and ST Microelectronics are not the only manufacturers, as companies such as EM Microelectronic also produce NFC chips.
RFID TAG MAKER tends to focus on the NTAG family for the simple reason that they are the most widely used and universally compatible. Some other chips (such as MIFARE Classic®) are not compatible with the NFC Forum. Most others are only available as very large professional orders.
MIFARE, MIFARE Ultralight, MIFARE Classic and MIFARE DESFire are registered trademarks of NXP B.V.
This is a typical problem. NFC tags are integrated into products or behind a piece of advertising material and now the tags cannot be scanned. The reason is simple. The tag scanning distance is not good enough. So how do you maximize the scanning distance?

 

Memory and User Memory

Memory and user memory are listed here in bytes. Memory is the total amount of memory within the chip. It is important to note that this is very, very small compared to other storage devices such as USB sticks. In fact, most NFC tags can only store roughly one sentence of text.
However, there are some parts of that storage space that are reserved for the tag’s functionality. For example, data modification permission information, the chip’s UID (genuine chips cannot be changed) and so on. This means that the user who wishes to store data on the tag cannot use all the available storage space, but only the space minus this important data – the “user storage”.
NTAG424 is a complex authentication tag with multiple storage sectors. Depending on the memory area used, the total possible memory storage is higher than this value. However, for NDEF message storage, the available space is 256 bytes.

 

Maximum URL

To make it easier to understand what is actually stored in this user memory space, this table shows the maximum length of the URL (web address) that can be stored on the tag. This is the number of characters in your URL that do not contain “https://” or “https://www”. section. Use our NFC tag memory calculator to find out which chips you can use.
*For NTAG213, we use the available memory by excluding the locking control TLV codes for dynamic locking bytes. These will take up an additional 5 bytes, but can be used to increase the possible length of the URL if dynamic locking is not required (which is extremely rare).

 

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nfc tag instruction

NFC tag reading distance

In short, if you use your phone to scan an NFC tag, it is usually between 1 cm and 5 cm. Many factors can affect performance. The larger the NFC TAG antenna, the further the reading distance will be.
The effectiveness of scanning an NFC TAG directly affects the user experience, and if the NFC tag does not respond easily, the user will quickly give up trying. Unfortunately, users give up on slow responding NFC tags much faster than you might think.
The rule here is that you want to buy an antenna that is as large as possible to fit your project. 29 mm to 38 mm tag sizes scan well, read far and respond quickly. However, if you can accommodate the credit card size, then it may perform better. Any size larger than that may result in degraded performance for many phones. Labels smaller than 25 mm require careful consideration and should not be used for marketing unless you have no choice and no space.
So, what is the actual scan distance you expect in the real world. This depends on the phone, the tag and the bit. To complicate things further, it can also depend on the tag/handset combination, where one antenna design is better suited to a particular handset than another.
This means there are no hard and fast answers. However, as a general rule, a 40 mm tag with an NTAG213 chip (with a 35 mm antenna) should be able to pair with a quality Android phone up to 5-6 cm without much problem. A tiny NTAG213 tag (e.g. 12mm x 19mm) might reach about 2cm.

 

 

 

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NFC tag scan counter

Some NFC tags can automatically store the number of times they have been scanned. This is called a scan counter. Within the NFC chip, a small amount of memory is reserved to record the scans and is automatically incremented each time a scan is made. This memory space can be read independently or, in some cases, automatically “mirrored” into the tag data string.
Note that this is not a good approach if you are using tags to count visits to, for example, a page. The user may scan the tag, increasing the count, but not access the URL stored on the tag. For example, the user may not be able to access the Internet or may cancel the integrated view before the page has a chance to load. In this case, the scan count will increase faster than the actual number of page views, resulting in incorrect data. Scan counters are often more useful for certain security or monitoring applications than for marketing.

 

NFC tag passwords

Some NFC tags have a password feature that allows controlled access to view or change the data on the tag. From the phone, an application is required for this. This is a fairly low level of security, but will prevent casual viewers from changing the data.

NFC tag authentication

The NTAG424, NTAG426, NTAG223 and NTAG224 NFC chips include a special feature that allows the data portion to be encrypted and securely attached to the tag’s URL. This then allows the tag to be used for NFC tag authentication where the tag cannot be easily copied.
This is a very advanced feature that requires a great deal of knowledge to encode the tag and authenticate the tag. However, NTAG413 and NTAG424 are among the latest generation of authentication tags and we expect to see more variants soon.

Common features of NFC tags

All NTAG family and MIFARE Ultralight® chips share a common set of features such as a seven-byte (14-character) unique ID (UID), universal compatibility with all current cell phones, tag locking capability, and NFC forum compatibility.

 

4. How do NFC tags work?

NFC works similar to RFID, except that NFC has a closer reading range, while RFID can be used over long distances, and NFC readers have a maximum operating range of about 4 inches (10 cm).
NFC works similarly to RFID (radio frequency identification) and Bluetooth. Unlike RFID, NFC tags work in close proximity, providing users with greater accuracy. nfc also does not require manual discovery and synchronization of devices like low-power Bluetooth. the biggest difference between RFID and NFC is the method of communication.
RFID tags have only one method of one-way communication, which means that RFID-enabled items send signals to the RFID reader.
NFC devices have both one-way and two-way communication capabilities, which gives NFC technology the upper hand in use cases where transactions rely on data from two devices (e.g., card payments). mobile wallets such as Apple Pay, Samsung Pay, Android Pay and other contactless payment solutions are powered by NFC technology.

 

 

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4.1 How do NFC authentication tags work?

In short, they prevent cloning by generating a new unique code each time an NFC tag is scanned, which can be verified by a third-party server.
While a standard NFC tag can be used to identify a product or item, there is (usually) nothing to prevent it from being copied into hundreds of counterfeit products. Authentication tags cannot be copied, so the level of protection against counterfeiting is greatly increased for each product.

4.2 Old and New Authentication Tags2

The use of authentication in NFC tags is nothing new. It has been used for years for ticketing and access control. So what’s the difference? The differences are in how the data is presented and how it is used.
For simplicity’s sake, in older chips, the authentication content is embedded deep into the chip. You need special NFC commands to access and control authentication. With some chips, you could theoretically do this with an app on an Android phone, but it’s complicated and not easy to implement.
Some of the newer generation NFC tags also have systems to check the authenticity of the chip manufacturer, which is linked to the UID of the chip. However, this is a “static” signature, and while it is harder to clone, it is not widely accepted as a “good solution”.
The new generation of NFC chips has two benefits.
First, NFC TAGs generate a unique code at each scan, which means that any data copied is incorrect at the next scan.
Second, they can display data within the URL NDEF area of the NFC tag. In short, this means you can use authentication technology by simply scanning the tag with a regular NFC-enabled phone that doesn’t require any apps. It’s called “frictionless” – all you need is a click.

4.3 NFC Authentication Process Explained

There are several variations of the NFC tag authentication process, but the principles are similar. Each NFC tag is encoded with a special key that is invisible. This key is used to generate a unique code at each scan, which can be added to the standard NDEF data. This means, for example, that the unique code can be automatically added to the URL encoded on the tag at each scan.
This unique code can then be checked on a remote server using a copy of the same key. The result is that the authenticity of the tag can be confirmed.
If the unique code is not what is expected, the tag can be assumed to be a copy. Each code can only be used once. Once the code is verified on the server, it is no longer valid.
To explain in very simple terms how the key system works, let’s consider a simple four-digit key – 8774. This key is saved and hidden on the tag and on the server. On the server, we also associate this key with a specific tag – in this case, the tag “123”.
When an NFC tag is scanned, the NFC chip inside the NFC tag performs an encryption calculation based on two elements: the number of scans (how many times the tag has been scanned) and the key.
So in the example above, the tag will use the key (8774) and the scan count (3) to generate a unique code using an encryption algorithm. In our example, we generated the code a43f3.
This code (a43f3) is then dynamically added to the web link encoded on the tag along with the scan count (3) and the tag’s ID number (123).
Each time the tag is scanned, the unique code is dynamically added to the URL encoded on the tag. To do this, when the tag is encoded, we leave a “space” on the URL so that the chip dynamically fills that space with the unique code.
The web link is now used to load a web page on the phone. The web page will come from a remote web server. The delete server then reads the unique code, scan count and tag ID by taking the parameters (data) passed to it in the URL.
The server then either checks the code itself or (behind the scenes) asks another authentication server if the code is valid.
The authentication server uses the count and the same hidden key (8774) to also generate the unique code (a43f3). When it does this, it can check that the code provided by the tag is indeed the same as expected. The authentication server usually uses the tag ID also provided to use the correct hidden key, since in most cases each tag has its own key.
Now, depending on whether the code matches, the web page can dynamically return the appropriate content to the user.
The point here is that the phone does not store or request the key during this process. They are not visible to the person scanning the NFC tag at any stage.
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4.4 Using NFC authentication tags in apps

In the example above, we show how to use authentication tags without any application installed on the phone. The tag scan will launch the web page from a remote server.
The same authentication tag will work in the App environment as well. The key is still stored in the same way on the tag and on the remote authentication server, but the intermediate app handles the authentication checks.
Depending on the phone/settings, the user will either open the app and scan the tag or just scan the tag to launch the app (steps 1 and 2).
After opening the application and scanning the tag, the application can perform checks against the third-party server in the background by passing the tag ID, count, and code scanned from the tag to the authentication server (step 3).
The auth server then verifies the response (step 4) and the app can confirm whether the item is genuine or fake (step 5).
Again, as with the web-based frictionless version, the security key is not stored in the app itself and is never seen or transmitted in the process.
Web scenarios and App scenarios are likely to use the same tags. In this case, the tags can be scanned without the application and they will launch a web page. If the app is opened before the tag is scanned, the same data can be accessed and then managed through the app.
For reasons we will cover later, using applications provides a higher level of security. However, allowing clients to perform both operations at the same time is a flexible and powerful option.

4.5 Token authentication keys

The actual size and definition of the key depends on the NFC chip manufacturer. Typically, however, the key is a random sequence of 16 characters.
Ideally, each individual NFC tag will be encoded using its own unique key. The server then stores which key is associated with each NFC tag ID. During the encoding process of putting data into the tag, the tag ID is also stored so that it is visible during the NFC tag scan.
The authentication server then requires three pieces of information – the NFC tag ID, the scan count, and the unique code.
The management of these keys is important because if the keys are not secure, then the security of the NFC tag is compromised. Access to the keys allows the creation of copies of the tags themselves, which can create counterfeit products.
At this point it is worth mentioning that the process of encoding an NFC authentication tag is much more complex than encoding a regular tag. Needless to say, any incorrect encoding will render the use of the authentication tag worthless.

5 How secure are NFC authentication tags?

The simple answer is that they are as secure as the small keypads often used to access bank accounts. The real risk is far from the NFC tag itself, but rather a flaw in the way NFC tags are used or encoded.
Can encryption and keys be cracked? It’s possible, but it’s not actually easy, and ultimately, in most use cases, it’s strong enough.
So where are the flaws? The first is inherent in “frictionless” NFC tag scanning. Essentially, the principle is that NFC tags can be scanned by any NFC-enabled phone without an application. The NFC tag will go directly to the website when it is scanned. The only code generated is automatically embedded in the URL that the phone uses to collect web pages, and the server checks the code in the background to determine if the tag is genuine. The downside is that most users don’t know what pages they’re about to see.
For example, a luxury brand might place an authenticated NFC tag in a handbag. The user scans the NFC tag and is redirected to the luxury brand’s website, which states whether it is authentic or not. However, the user does not know what the page looks like because they have never seen it before. So the company making the fake handbag can simply add any NFC tag that redirects to any web page anywhere, indicating that it is not fake. The user doesn’t really know the difference.
Now, this only becomes a problem for the average user who doesn’t know which page they want to see. In a closed-loop system such as a supply chain, the person doing the scanning may know what to expect and be prepared for what seems odd.
The solution is to use authentication tags in the App. The user downloads the app before scanning the tag, so the system is more secure. The app can control the connection to the authentication server and check for any error messages on the tag.
Is this a problem? Probably not. In many consumer-driven cases, the whole purpose of authentication labels in luxury goods, for example, has more to do with consumer interaction than any real control over counterfeit products. In this case, the act of verifying the goods gives a reason to download the application and the goal is achieved.
In other cases, such as the individual tagging of documents or other such items, it is more about being able to quickly and easily combine identification with a simple frictionless security element.
For many years, RFID TAG MAKER has been testing and using almost every authentication tag on the market. As a result, we are well aware of the powerful capabilities of these tags and the importance of using them correctly.
RFID TAG MAKER currently offers three options to allow our customers to use authentication tags.
We can use NXP’s popular NTAG424, NTAG223, and NTAG224, which allow our customers to encode and develop their own solutions. We typically stock a small number of tags in standard formats such as our NTAG424 wet inlays, NTAG424 white tags and NTAG424 PVC cards. However, we can offer NFC tags in a variety of formats, including customized products with different specifications and printing.
Although these NFC tags are very powerful and complex to encode/verify, they are actually very easy to use.
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6 How to buy NFC tags ?

If you are not familiar with NFC technology, then you will be confused about what NFC tag you should buy for your project. RFID TAG MAKER has a lot of experience and can help you start your project. We have also put together some useful information about buying NFC tags to help you out.

 

6.1 NFC TAG memory

First you need to choose the right NFC IC, because different NFC ICs, have different memory, more memory will not give you better performance. This is determined by what you are encoding.
So now that you know how much memory you may need, figuring out which chip you need is simply a matter of choosing one with enough available memory to store your data. Typically, our preferred options are the NTAG210micro or NTAG213. Because of the good performance of the ntag213 NFC tag, good availability and good price point.

 

6.2 How many NFC tags memory do I need?

Inside each NFC tag there is an NFC chip that holds your data and manages the communication with the NFC reader. Your data is stored in a small amount of non-volatile memory inside the NFC chip. Non-volatile memory is memory that retains stored information in the event of a power failure. The data in an NFC tag is usually measured in units called bytes, each of which is approximately equivalent to one text character.
In the NFC tag, there will also be memory for the chip itself and other functions. For example, each NFC tag has a unique ID (usually 14 characters long), which takes up memory space. You cannot change this memory, and in some cases, you may not be able to access it.
Therefore, there is a difference between the total amount of memory on the NFC tag and the actual amount of data you can store. Seritag defines the available memory as the memory space that can be encoded.
When writing standard NDEF messages (e.g. web links) to an NFC tag, there are always extra bytes of hidden information that tell your phone what type of data you are storing. While this is usually only about 5 bytes, it means that your available memory is further reduced.
For example, for the NTAG210µ chip, the total memory is 64 bytes. Of this, the “free memory” (the part you can put data in) is 48 bytes. To store URLs, you also need to store 8 bytes of “hidden” data, so you have 40 bytes for the actual URLs. In most cases, this is certainly enough, but you should always be aware of the difference between total memory and available memory.

 

 

6.3 NFC TAG quality

NFC tag quality is related to many factors, such as: surface material, antenna, chip and frequency.
NFC TAG and NFC TAG READER communicate at a specific frequency (13.56Mhz)
Just like a radio, small changes in “tuning” can lead to poor sound or distortion, changes in NFC TAG tuning can lead to degraded performance.
A good NFC TAG manufacturer will be able to better control this variation and, importantly, quality control the final output.
So, the rule here is to buy good quality NFC tags.

 

6.4 NFC tag price

The price of NFC TAGs is related to the number of orders and high volume production can reduce the price of NFC TAGr. Also the price of common chips will be lower than the price of special chips, generally ntag213nfc tag is the cheapest. ntag215,ntag216 price in increasing order.
The new ST25TN01K and ST25TN512 chips are also available. If you need to order, please contact us.

 

6.5 Genuine and counterfeit NFC TAG

Rule 1: Unless the cost of replacing an NFC tag is less than a few pence/cents and/or you don’t mind if some tags don’t work, buy a quality tag and a genuine chip.
The vast majority of NFC chips in NFC tags sold through retailers and large tag manufacturers today are manufactured by NXP Semiconductors. However, there are many non-genuine NXP chips, especially the MIFARE Ultralight.
RFID TAG MAKER only sells genuine NXP or other brand chips and has a tightly controlled supply chain. While you can choose not to purchase tags from RFID TAG MAKER, we strongly recommend that you use genuine chips and make sure you know your supplier and where they make the tags. The reliability and quality of non-genuine chips are not very good. Repeated UIDs, close scanning distances or not working at all, or application failures are common for counterfeit chips. Once your project with this poor quality NFC tag can cause huge damage.

 

7. Which phones support NFC?

Currently, almost all mobile smartphones can read NFC tags, and almost all Android phones can read and encode them. Apple has enabled NFC tag scanning through an app on iPhone 7, 8, and X running iOS 11 or later. The latest iPhone XS/XR, 11, 12, 13, and iPhone 14 models can scan NFC tags natively without an additional app. Android phones can read NFC tags without an app.

 

 

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8 How to encode NFC tags

By far the easiest way is to use an NFC-enabled phone. Almost all NFC-enabled Android phones can encode NFC tags, and iPhone 7 and higher running the latest iOS13 operating system can now encode them as well. There are many apps available to do this, but we usually recommend NFC Tools or NXP’s Tag Writer. Encoding is as simple as opening the app, entering your URL and placing your phone on the tag. If you are buying a lot of tags and don’t want to encode them yourself, RFID TAG MAKER can encode NFC tags for you when you order.
Storing information
Adding data to an NFC tag is called encoding. You can encode multiple data types onto an NFC tag. For example, you can choose to encode a URL (web address), a phone number, or a simple ID number. Data is usually stored in a specific way called NDEF (NFC Data Exchange Format) encoding. This common way of storing NFC information means that almost any NFC-enabled device will be able to read and understand the data and what type of data it is.

 

 

8.1 How many information can be stored on an NFC tag?

First we need to understand bytes, which are made up of eight “bits”. A bit is a binary “switch” – a 1 or a 0 (think yes or no). Thus, a byte contains eight 1s or 0s, for example 10110101. However, each bit in the byte has an increasing value, for example, the number 123 can be broken down into one hundred, twenty and three. Thus, “10” actually “values” 2, while “100” values 4. Ultimately, this means that the full “11111111 “value of 255, providing a total combination of 256 numbers (including 0).
For NFC tags, this number range is associated with a standardized set of letters and characters. Thus, the number 114 is associated with the letter “r”, 115 with the letter “s”, and so on.
The actual amount of data varies depending on the type of NFC chip used. Different tags have different chips, and each chip has a specific memory capacity. It is worth noting that NFC tags have a small memory capacity compared to other storage devices you may be familiar with, such as USB memory sticks or SD cards. In fact, most NFC tags can only store about one sentence of text. A typical NTAG210 NFC chip can only store URLs up to 40 characters long. The popular NTAG213 chip NFC tag can store URLs of up to about 130 characters.
But that’s all you need. NFC tags are usually considered references to data, not data storage itself. For example, you would not store a website on an NFC tag. You would store a URL/Web address that links the tag to the full Web site on the Internet. Similarly, you can store an ID on the tag so that you can tag the asset. This ID will allow you to identify the object and get more information from the “cloud” or other Internet sources. You do not have to store any asset information directly on the tag.

 

8.2 Can someone change the data on my NFC tag?

First we need to understand bytes, which are made up of eight “bits”. A bit is a binary “switch” – a 1 or a 0 (think yes or no). Thus, a byte contains eight 1s or 0s, for example 10110101. However, each bit in the byte has an increasing value, for example, the number 123 can be broken down into one hundred, twenty and three. Thus, “10” actually “values” 2, while “100” values 4. Ultimately, this means that the full “11111111 “value of 255, providing a total combination of 256 numbers (including 0).
For NFC tags, this number range is associated with a standardized set of letters and characters. Thus, the number 114 is associated with the letter “r”, 115 with the letter “s”, and so on.
The actual amount of data varies depending on the type of NFC chip used. Different tags have different chips, and each chip has a specific memory capacity. It is worth noting that NFC tags have a small memory capacity compared to other storage devices you may be familiar with, such as USB memory sticks or SD cards. In fact, most NFC tags can only store about one sentence of text. A typical NTAG210 NFC chip can only store URLs up to 40 characters long. The popular NTAG213 chip NFC tag can store URLs of up to about 130 characters.
But that’s all you need. NFC tags are usually considered references to data, not data storage itself. For example, you would not store a website on an NFC tag. You would store a URL/Web address that links the tag to the full Web site on the Internet. Similarly, you can store an ID on the tag so that you can tag the asset. This ID will allow you to identify the object and get more information from the “cloud” or other Internet sources. You do not have to store any asset information directly on the tag.

 

8.3 Can someone change the data on my NFC tag?

NFC tags can be locked so that once the data is written, it cannot be changed. For most tags, this is a one-way process, so once the tag is locked, it cannot be unlocked. Encoding and locking are two separate operations. NFC tags can be re-encoded multiple times until they are locked.
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9 NFC TAG Applications

Generally, you can divide the applications of NFC TAG into several areas – product status and maintenance
contactless payments
Asset management, marketing, information access and personal use.

9.1 Personal use

For personal use NFC TAGs can be used to control your phone. For example, use the NFC tag to turn on an alarm clock, connect to your wifi or something similar as below:
• Display a Business Card
• Open a link/URL
• Turn on/off Wi-Fi
• Turn on/off Bluetooth
• Open a preformatted Email
• Save or open a Telephone Number
• Open your Geo Location
• Launch an application
• Display Plain Text
• Open a preformatted SMS

9.2 Marketing

NFC tags provide a way to connect physical objects to the virtual online world. For marketing, it allows brands to provide their users with a quick way to learn more about their products and increase brand engagement.
For example, an NFC tag can be embedded in or attached to a product so that users can scan the NFC tag with their NFC-enabled phone to learn about the product or the manual. Or, an NFC tag can be embedded into a restaurant’s table decorations/stickers to allow access to the latest menu information or daily specials.

9.3 Asset Management

Asset management is a broad area that covers many use cases. This is probably the largest area of use for NFC TAGs today, from healthcare (people are assets!) to anti-counterfeiting systems, NFC tags are everywhere.

 

 

9.4 Contactless Payments

Contactless payments are the most prominent use case for NFC technology, and NFC makes transactions simple, secure and fast – a feature coveted by consumers and businesses alike.
NFC-enabled devices are driving the contactless payment revolution, especially after COVID.
Consumers don’t need to enter anything extra (PIN or signature) for small transactions. In addition, NFC is a more secure way to pay – transactions happen instantly and users don’t have to hand over their cards with sensitive information.
Google Pay is a prominent example of an NFC-based contactless payment solution. The application provides contactless payments to millions of consumers worldwide through their smartphones.
Public transportation. This is arguably a subset of mobile payments, but it’s worth mentioning in its own right. In fact, it may be a major driver of NFC adoption in urban areas with high population density and easy access to public transportation. Pilots and commercial programs have been deployed in many cities around the world where you can pay for buses, subways or trams with a tap of your phone.
You can also use NFC tags for ticket offices, NFC wristbands and NFC tickets for any type of ticket: concerts or live shows, conferences, sporting events, theme parks, check-in and boarding.

 

 

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9.5 Product status and maintenance

Semiconductor manufacturer NXP announces a new family of NFC integrated circuits. These circuits offer tamper detection and status monitoring capabilities, opening the door to a host of new use cases for NFC tags.
For example, NFC circuits can be included in a tamper-proof system to detect tampering events on sealed products. When the lid is tampered with, the tag sends a signal to the chip’s memory to record the seal’s breakage. Customers can later scan the product via smartphone to view the information.
Another NXP-manufactured circuit has a condition monitoring feature that detects moisture or fill levels in bottles and containers. To see the fill level of a product, you simply scan the NFC tag with your phone.

10 What else can I do with an NFC tag?

Semiconductor manufacturer NXP announces a new family of NFC integrated circuits. These circuits offer tamper detection and status monitoring capabilities, opening the door to a host of new use cases for NFC tags.
For example, NFC circuits can be included in a tamper-proof system to detect tampering events on sealed products. When the lid is tampered with, the tag sends a signal to the chip’s memory to record the seal’s breakage. Customers can later scan the product via smartphone to view the information.
Another NXP-manufactured circuit has a condition monitoring feature that detects moisture or fill levels in bottles and containers. To see the fill level of a product, you simply scan the NFC tag with your phone.

10.1 Authentication and Identification

For the sake of clarity, let’s define the difference between identification and authentication. We will use an NFC tag attached to a handbag as an example.
Identification is the ability of a tag to identify a specific model of handbag. It may provide information about the supply chain, the store that sold it, and possibly even the previous owner. It may provide specific information about that exact handbag. However, there is no guarantee that the tag and the handbag are authentic or what the user believes to be authentic.
Identification tags take an extra step. Not only do they allow the user to identify the handbag, but they also provide a very high level of security that the tag (and the bag to which the tag is attached) is actually the item it claims to be.
However, authentication is not just about preventing counterfeit products; it can also be used for access control, user authentication, connecting to NFT and virtual worlds, ticketing, gaming, document authenticity, and more.
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