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Mar 15, 2022

Voyantic Introduces TagFinder Beta

The new database service connects RAIN RFID specifications with tag products

You probably consume AAA batteries every month, but have you ever visited the web pages of Varta, Duracell, Energizer, or Panasonic? No need whatsoever, right?

I admit that batteries and RAIN RFID tags may not be comparable products, but both are low-priced consumables and sold in billions of units annually. The difference is that batteries are easy to select and purchase, and RAIN RFID tags are neither. Read on to learn how that is about to change!

Learn from alkaline batteries

The battery industry is more than a 100-years old. IEC, ANSI, and JIS have created standards for the sizing and chemistry of batteries a long time ago. Consumers have been trained to ask for AA and AAA batteries. Availability and pricing of the products are good. This sets a benchmark for how things could be also within the RAIN RFID industry.

How easy could RAIN RFID tag selection be?

While RFID technology itself is already more than 70 years old, the RAIN RFID industry is far from a similar level of convenience to the battery industry. We do have a solid air-interface standard established, but that’s not quite enough to make the selection of RAIN components easy for everyone.

The practical readability of RAIN tags is also dependent on the label size, frequency tuning, substrate material, and the IC on the tag. To further complicate the early steps, also the sourcing of small quantities was deemed challenging in an experiment we did in 2020.

It is in our interest to make the fantastic RAIN technology and products easier for anyone to find and utilize. That is why we want to try something new for a change.

TagFinder service brings tag products and specifications together

We have built a database that includes all available RAIN tag ICs and an expanding selection of RAIN tags and labels. Now, solutions providers and end-users can search through that database to find suitable tags for their projects using the TagFinder search tool.

Try TagFinder now

TagFinder includes simple search filters that enable users to find tags based on tagging specifications and requirements. After creating a shortlist of options, users can contact the tag suppliers directly through the TagFinder tool, saving time in the sourcing process.  

In TagFinder, tags can be searched based on manufacturer, application, size, target material, read range, plus a range of other features. 

Try out the service free-of-charge!

We are thrilled to offer free access to a beta version of the TagFinder service. This is a learning experience for us as well, and your feedback and suggestions will enable us to improve the search tool and improve the content on the fly.

I recognize the need to further develop the tagging standards and guidelines that are out there. Hopefully, soon enough I will be able to share more news on that front as well.

Oct 21, 2020

Sourcing ARC Certified Labels – Harder Than You Think

日本語版 Japanese version

This blog post has been edited after its original publishing. The edits with their justifications are listed at the end of the post.

The COVID-19 pandemic has motivated many companies, including us, to develop and improve different business areas. We started a project studying ARC certified labels, which first required us to get our hands on as many certified labels as possible. We had a plan to source 179 different labels, 50-100 pieces per label, from 16 label manufacturers.

Disclaimer: the pandemic affected the response and wait times for the labels. But even after taking this into consideration, it turned out that sourcing these RFID labels is hard, and requires a significant time investment. In this blog, we take a closer look at how the sourcing process unraveled.

Contacting Suppliers

We started the sourcing process from scratch: searched for the product online and utilized the company websites’ contact information for companies that supply ARC certified labels. This information was easily found, but we didn’t find any possibilities to purchase labels online. As we reached out to the companies, it became clear that we had encountered one of the main obstacles throughout this sourcing process.

About 50% of all the companies did not reply to our initial contact request. None of the companies with a contact form on the company website replied to the original message. In contrast, all companies that had a direct email address to a contact person on their website responded quickly. To reach the 50% that didn’t reply anything, we decided to look for familiar connections that someone at the office knew to get a response and to move forward with the project.

If the first inquiry goes unanswered, I wonder how many potential customers these days simply go with another supplier.

With no previous connections within the industry, we would probably not have been able to get more than half of the labels. Voyantic has been in the industry for over 15 years and we are well networked with tag suppliers. New companies that are interested in starting with RFID technology, however, might not start at all if it is this difficult to get relevant information and samples.

Starting Small Should Be an Option

Small order quantity seemed to be an issue for some companies and required special arrangements and more detailed information. The combination of poor communication and large sample quantities is not very inviting for new companies to start using RFID technology. Increasing awareness and lowering the bar of trying the technology without a significant investment could be crucial for spreading the use of RFID technology.

Customer Research or Interrogation?

We received a lot of questions about our purchase inquiry, e.g., could you share the purpose of your testing, and how will you use the results? Are you sourcing from other companies too? We had limited information to share about the use of the test results at this moment, and this seemed to be the other main issue in this process and, in some cases, even an insurmountable obstacle for purchasing the labels. Sharing this information shouldn’t be a requirement for buying label samples. It is good to gather information on how your customers are using your products to better meet their needs, but not to an extent where it makes the purchasing process slow and difficult or even impossible.

On a Positive Note

Despite the obstacles faced with many companies, some were straightforward to cooperate with and performed exemplary compared to the others. Some companies responded to the sample request the same day, and their samples were received within the following weeks. Some of the requested samples were obsolete, and some had been replaced with new ones, which slowed down the order process for some suppliers as it was very time consuming to agree on sufficient replacement products. However, one company was very helpful when we noticed the label we were looking for wasn’t available anymore. They suggested a comparable label that was shipped within a week.

Highs and Lows of Sample Tag Sourcing

Since we started this project at the beginning of March, we managed to obtain samples from 13 companies by July, but never got the labels from 3 other companies.

Most companies were easy to cooperate with, but in many cases, the sourcing process was extended by additional communications. A good network has been crucial to source the label samples, but also new connections were established, which is always positive.

As a recommendation to tag suppliers, we want to point out that sample orders can be the start of a new, long-lasting customer relationship, which is a good reason to process sample orders with the same importance as regular orders.

Edit on October 22nd 2020. After careful consideration and valuable feedback received from people commenting on the blog, we decided to omit references to specific companies. We feel that it is somewhat unfair to publicly praise some companies at the expense of others based on this sourcing experiment. There may be many reasons why companies have had different reactions to our requests, one of them being that they have recognized Voyantic as not a normal buyer. Finally, we still believe that the topic is important, and our sincere intention is to try to point out something that may be a problem in the industry, not specific companies.

Read more about buying tags from the buyers’s perspective. Download our free RAIN RFID tag buyer’s guide to get a more comprehensive understanding and an example request for a quotation!

Download the RFID Tag Buyer’s Guide

Learn what to ask when buying RFID tags.
Get our example request for quotation to help you get relevant quotes.

Apr 04, 2018

Can Versatility and High Capacity be Combined in Smart Label Personalization?

中文版 Chinese version

Smart labels are basically really simple RF devices and look identical to each other. However, smart label deliveries are highly customized especially in high value specialty label segment. This sets two conflicting requirements for production machinery: high capacity and high flexibility.

To address this dilemma, Voyantic has spent more than two years developing a new breed of smart label personalization solutions. At the RFID Journal Live 2018 exhibition in Orlando we are proud to unveil the Reelsurance Pro – a flexible reel-to-reel machine for smart label personalization.

Large Smart Label Manufacturing Volumes are often Sum of Numerous Small Projects

Global RAIN RFID tag production volume continues to grow and NFC is doing very well, too, especially now that the majority of iPhone users can utilize the technology to its fullest extent. According to IDTechEx there will be more than 30 Billion tags sold in the year 2020.

A peculiar fact is that even as the tag volumes grow, still the demand of customer specific tag production lots remains high. Practically this means that smart label production must remain flexible enough to meet the various requirements of end user projects.

Printers are an Obvious First Step for Many

RFID label printers are the perfect way to supply small quantities of labels that are often immediately applied on products. As such printers will continue to serve a great variety of customers engaged with luggage tracking, healthcare and event management.

The sheer scale and complexity of production often exceeds a point where buying more printers is not feasible: special label form factors, sophisticated substrate materials, large reel sizes or complicated NFC / RAIN / custom encoding. I’ve come to learn that managing specific encoded data over numerous printers requires plenty of manual processing, which especially in the long term may not be sustainable.

Printers are good for many applications, but how is the scalability?

Industrial Grade Machinery Available for High Volume Label Programs

On the other end of the spectrum, label presses and high-end personalization lines serve the needs of high volume label and ticket suppliers. If you are in the business of supplying steady volumes of tickets, hang tags or bulk labels, those machines should serve you well.

But what is the option for those ambitious companies, that want to take both NFC and RAIN jobs, and dispense variable and highly specific label batches day-to-day?

Perfect environment for label presses and high-end personalization machines

Reelsurance: Office-sized Machine for Varying Smart Label Projects

Voyantic Reelsurance Pro fills the gap for those who need a flexible reel-to-reel machine to finalize a range of different smart label jobs for their customers every week. The machine won’t stop shy of features either!

Voyantic Reelsurance Pro is a small footprint machine dedicated for RFID smart label personalization

Voyantic Fitted NFC, RAIN RFID, Barcodes and Quality Control in a Smaller-than-a-horse-sized* Machine Frame

The list of printing and encoding options on this machine is impressive, and special effort is put on label output quality. Sophisticated RFID quality testers, line tension control, ESD protection, splicing table and slightly tilted machine frame provide reels that are 100% quality tested and immediately ready to deliver. The tilted frame also makes the machine ergonomic for the operator!

May We Propose a Machine for You?

Since 2013 we have supplied quite a number of Reelsurance machines for inlay and label quality assurance processes. Now that the Reelsurance Pro supports printing and encoding too, we would be thrilled to craft a proposal that meets your specific requirements. Please contact us to schedule the first demo and conversation!

(*) As a salute to honorable Mr. Tauno Matomäki, a highly esteemed Finnish business man, President and CEO (EVP), Voyantic is still working hard to supply larger-than-a-horse-sized machines after more than a decade of exporting smaller-but-way-more-expensive-than-a-horse-sized testers around the globe.

Get Answers to Your RFID Tag Encoding Questions!

Download our white paper of RFID tag encoding! You’ll find answers to many baffling questions regarding tag memory and what should be coded to it, which codes to use and how to get the codes to the tags.

Nov 30, 2016

Vehicle RFID Tags – Big Benefits with Some Challenges

中文版 Chinese version

Electronic Vehicle Identification (EVI) is a perfect match for RAIN RFID (UHF RFID) technology. Once a vehicle is tagged, the possibility to identify the vehicle remotely enables a lot of applications and services. While vehicle tagging is of high interest, it is not the easiest task. In the past few months I have worked with some vehicle tagging projects and learned that the application requires some special attention from technology providers.

EVI Tag Types

The EVI tags come in different forms. Most common EVI tag types are

  • windshield tags attached to the windshield inside the car; and
  • license plate tags mounted on license plates outside the vehicle.

There are some specific design issues related to both of these tag types.

License plate tags must be on-metal tags, and very durable. They must survive weather conditions and car washing. Also, the position and the mounting angle are rarely ideal for readers. The natural best reading direction is straight backward (or forward), and at low height. In many applications the goal is to identify a vehicle approaching an identification point, for example an access gate or a road toll collection point. Reading would preferably be done from above or from side with an angle.

Windshield tags provide better reading angle. The challenge is to design a tag that works well with all possible windshields, regardless of the windshield’s angle, thickness, material, embedded technologies and type and proximity of the windshield frame to the tag position.

Both passive and semi-passive tags are commonly used. The semi-passive tags are battery powered; more of those can be read in earlier Voyantic Blog post.

EVI Tag Applications

Once the tagging is successful, it is easy to find use for the tags. Applications include road toll collection, tracking vehicle registrations and inspections, tracking tax payments, and parking control. Many of the applications are initially set for government purposes. Once the tags are in place, they can also be used in various value added applications of the private sector. Even if the tag is initially placed for registration, it can be used as a parking permit and gate access permit of a housing community.

Performance Testing of EVI Tags

A car is a special case of a tagged item. There are components that reflect RFID signals, absorb or block the signals, and may even resonate with RFID frequencies. These effects are different to different reading angles, they vary when a tag is attached to different position in a vehicle, and may even change when a tag’s mounting orientation changes. At Voyantic we have assisted several companies in defining test methods and processes for optimizing the EVI tag performance.

With the Voyantic Tagformance Pro system it is possible to test the sensitivity, tuning and backscatter signal strength of the car tag. The Tagformance system is an essential tool for evaluating effects of reading angles and mounting positions. The system can also be used for optimizing the EVI tag performance, finding optimal tag positions in the cars, and for finding optimal reader antenna positions for the applications.

Learn How to Test EVI Tags with Tagformance Pro

Download our application note to learn how to avoid the pitfalls of EVI tag testing!

Oct 31, 2016

RAIN RFID Tag Read Range: Opinion or Fact?

中文版 Chinese version

Creating a tagging solution for passive RAIN RFID tags to a particular application starts with understanding the application specific requirements. That involves plenty of process engineering, but also typically discussions around the expected read range between tagged items and reader antennas. The read range is impacted by several factors and many start the cooking process by looking at the properties of RAIN RFID tags.

Tag datasheets carry plenty of information: protocol, operating frequency, chip type, memory utilization, physical size and much more. Amongst all information on datasheet, I reckon tag dimensions and read range are typically the first ones checked. Both are relatively easy values to understand, although the first one is a fact, and the second more an opinion. In the following I explain how to interpret the tag read range right.

Classic Approach: Take a Tag and Walk Away

The simplest way to get an idea of the read range is to place a reader to the end of a hall, take a tag and walk away from the reader antenna to see how far the tag can still be successfully read. In this kind of empirical test the result is not a fixed distance under which the reading would always be successful, but instead the result typically varies as below:

Result of a “walk away” read range measurement using a lower end RFID reader. What would you choose for a read range value?

Obviously such a result leaves a problem: how to interpret the results? What in fact is the read range in this case? A bigger problem is that the result is actually a synthesis of so many factors, such as reader properties, tag alignment, other objects in the environment, illumination in the hall, settings in the reader… So, what was it again you wanted to see?

Very few halls, office spaces or basements are stable enough to reproduce the test from day to another with the same test result. Therefore, key delivered value of this approach is merely the physical exercise, and most vendors don’t use these results in their tag datasheets.

Laboratory vs. Real Life Performance

RFID measurement systems characterize tags at high precision after which read range is calculated based on a few assumptions. Laboratory measurements themselves are often performed in shielded and anechoic chambers to remove other variables from the test results, which greatly improves the value of the data and the repeatability of the test process.

Theoretical read range of two RAIN RFID tags designed for different applications. Tag 2 shows better max read range at the FCC band, but is too highly tuned to efficiently cover the whole band. Despite of its shorter read range, Tag 1 as a broadband design seems like a more reliable choice.

This kind of measurement does not emulate effects of environment where tags are used. Experts talk of multipath propagation and path loss, and some others may talk of reflections, shadowing and interior design. No matter which definition is used, the environment is the grand source of differences between laboratory and real life performance.

Practical Difference of ERP and EIRP

Theoretical read range values plotted by the Tagformance system are based on the Tag Performance Parameters and Test Methods Version 1.1.2, 2008, EPCGlobal Inc. For the read range standard specifies 35dBm EIRP transmit power to be used in the calculation. 35dBm EIRP transmit power equals 33dBm ERP power. 33dBm ERP equals 2W and 35dBm EIRP equals 3.28W. If maximum power 4W EIRP is allowed, as in the FCC band, theoretical read range results can be obtained by adding 11% on the figures shown in the Tagformance software.

Forward Limited Read Range Is Not a Safe Assumption Anymore

As tag dimensions shrink and tag ICs become more sensitive, readers often become the limiting factor of read range. A reader with more sensitive receiver is able to pick up a tag’s reply from greater distance. When read range is analyzed it is typical to separate read range to forward (up) and reverse (down) links.

Picture below shows forward and reverse read range curves, which are calculated using 1W ERP transmit power, 2dBi antenna gain and -65dBm receiver sensitivity.

Separated forward, reverse and resulting read range curves. For ETSI range forward and reverse curves are equal, but for FCC range read range is reverse link limited – a reader with more sensitive receiver would improve read range on FCC band.

Tag Close Coupling Issues to Be Addressed by TIPP

As tagging spreads to new product categories in the retail industry, small tagged items are often brought into close proximity to each other. Just think about items boxed for transport. Especially when the distance between tags is less than 3 cm, the tags start to couple with each other.

The close coupling effects will be considered in the upcoming GS1 TIPP global standard. Stay put for Juho Partanen’s upcoming blog post regarding these issues!

From Opinions Back to the Facts

As you saw from the above, the read range is a factor of many issues. As you work yourself through the tag and reader datasheets with the aid of expert tools and good standards, you can connect the dots with relative ease. This process transforms opinions into facts.

I’d appreciate your comments and suggestions around these topics. New perspectives are always welcome.

Learn How to Test the Read Range with Tagformance

Download our application note “Read Range Test with Voyantic Tagformance” to learn how easy it is to test the read range!

Aug 11, 2016

RAIN RFID, UHF RFID, EPC RFID, … – Confused by the Different Names?

中文版 Chinese version

I am frequently lecturing to RFID users and technology providers about quality and performance in RFID. Every now and then a question about the terminology comes up. RFID technology has developed through several paths and as a result there are a lot of names and definitions for RFID. A beloved child has many names, says a Finnish proverb. Understanding the different points of view in naming and the origins of the terminology help to understand the many names.

RFID and Frequency

RFID – Radio Frequency IDentification – is the umbrella term covering a wide variety of technologies: frequencies, communication protocols, and device types. One common way to refer to the different technologies is with the names of the frequency bands:

  • LF RFID (Low Frequency RFID)
    125 kHz – 134.2 kHz, 125 kHz RFID, 134 kHz RFID
  • HF RFID (High Frequency RFID)
    13.553 MHz – 13.567 MHz, 13.56 MHz RFID
  • UHF RFID (Ultra High Frequency RFID)
    433 MHz: 433 MHz RFID
    858 MHz – 960 MHz: UHF RFID *)
  • Microwave RFID
    2.4 GHz – 2.454 GHz: 2.4 GHz RFID
    5.725 GHz – 5.875 GHz: 5.8 GHz RFID

*) Includes local bands ETSI RFID (865 MHz – 868 MHz) and FCC RFID or 915 MHz RFID (902 MHz -928 MHz)

Passive and Active RFID

Different RFID technologies feature different ways to power up the tags and to communicate between the reader and the tag. The base technology is used as one way to classify RFID:

  • Passive RFID: technology where the tag powers up from the radio frequency energy sent by the reader, and communicates back by modulating the reader signal
  • Battery assisted passive RFID, BAP RFID, Semi-passive RFID: technology where the tag gets its operating power from a battery but communicates back by modulating the reader signal
  • Active RFID: technology where the RFID tag is powered from a battery and communicates by active transmission
  • RFID sensor, sensor tag: a sensor (temperature, pressure, humidity – or anything else) is integrated into the RFID tag – can be passive, active or BAP
  • Chipless RFID: tags without a silicon microchip based on time-domain reflectometry or frequency signature techniques are called chipless RFID tags.

RFID Names from Standards

Another approach for RFID naming comes from the radio transmission protocols. They are described in radio protocol standards, and are often referred to by the standard names: ISO 15693, ISO 14443-A, ISO 14443-B, ISO 18000-62, ISO 18000-63, GB T/29768

The alphanumeric standard names are not that good for marketing use, so many of the standards are more widely known by commercial brand names, such as

  • Mifare: NXP’s trademark for 13.56 MHz, ISO 14443-A
  • FeliCa: Sony’s trademark for 13.56 MHz, JIS X 6319-4
  • EPC RFID: Electronic Product Code, GS1’s standard family for data content in RFID, standard family includes also protocol standards and frequency standards – also standardized as ISO 18000-63 (formerly ISO 18000-6C)
  • SINIAV: (Sistema de Identificação Automática de Veículos) Brasilian department of transportation’s system for identifying cars. The system includes also RFID protocol standard at UHF RFID frequency

Many of the standards have also been published by various organizations with no or with small adjustments. For example, it is common that a standard is published as a national standard (JIS, DIN,…) , or industry specific standard (IEC for example) and afterwards as a global ISO standard.

Marketing Names and Industry Organizations Aiming for Clarification

In order to fully describe a specific technology, several of the above names can (and sometimes must) be used together. For example: Passive 13.56MHz sensor tag with ISO 15693 protocol. Also several names are interrelated – for example ISO14443-A is in practice always also 13.56 MHz (HF RFID), and passive.

Using these technology derived names and standard names for describing the technology can be complicated, confusing, and in many cases drives the focus to the wrong direction. Industry organizations have recognized this problem and they have launched marketing names for most common technology combinations. Their focus is on the use cases instead of technical details and their goal is that these names would become the everyday names for RFID technologies – just like e.g. Bluetooth has become a common name for radio communication between electronics devices using 2.4 GHz frequency and ISO 802.15 standard protocol.

  • NFC: Near Field Communication is a term/brand by an industry organization (link: text: NFC Forum popup:yes). The term describes a main stream combination of HF RFID technologies, and is used extensively in e.g. smart phones. The technology uses 13.56 MHz frequency and several protocols, such as ISO14443A, ISO14443B, and FeliCa (Japan Standard JIS X 6319-4).

  • RAIN RFID: RAIN RFID is a name coined by the RAIN RFID Alliance – a global cooperation organization of companies offering or utilizing passive UHF RFID. The RAIN RFID covers RFID technologies using frequencies from 860 MHz to 960 MHz and the EPC RFID Gen2 protocol, also known as ISO 18000-63 air interface, regardless of the used numbering system.

Which Names Should Be Used?

I am not ready to trash any of the current terminology. However, I have my own preferences.
I prefer the NFC and RAIN RFID terms in case studies and similar documents aimed for a wider audience when not focusing on nitty-gritty technical details but describing benefits of the technology.

When the focus is on certain technical viewpoints: protocol, frequency, technology type etc., I prefer the narrow technical terms. “Computer accessory for reading battery assisted UHF RFID EPC temperature sensor tags” sounds horrible, but actually describes quite well the technology solutions used. For a consumer the monster-term is not as easy as having a RAIN RFID enabled laptop.

Voyantic is a quality and performance test system provider for the RFID industry. The test systems can be used for testing tags and readers at UHF and HF RFID frequencies – or if you prefer – within RAIN RFID and NFC.

Dec 29, 2015

How to Win Sales with Good RAIN RFID Test Data

When selling RAIN RFID tags: wouldn’t it be great to prove that the proposed tag is the best possible one for the customer’s application instead of just sending out loads of free samples hoping that the customer tests them properly? And when purchasing: wouldn’t it be great to have comparable data of how each tag works in your application instead of “our tags are the best ones, you can trust us” statements?

Guess what: it is possible, and in most cases, the salesperson or the buyer just needs to know what to ask. Tag developers have a lot of characterization data ready. Read on to see how to leverage that data following the 3-step approach!

Step 1: Extract Tag Characterization Data from the Production Quality Log

Useful RAIN RFID tag data combines production quality information with detailed laboratory test results. Production quality data is a good starting point since it shows the overall quality variation. With Voyantic’s Sweep Data Analyzer, it is easy to identify the typical and the worst acceptable tag and to quantify variation. Variation can be described, for example, as each tag having a sensitivity of -8 dBm +/-2.5 dB. With the Tagformance viewer software, the sensitivity values can also be translated into read ranges.

RAIN RFID tag quality – variance in RFID production quality

Step 2: Connect RAIN RFID Tag Performance Data to the Use Case

Detailed information about the performance of a RAIN RFID tag can be generated by testing the selected sample tag (typical tag or weakest tag) in a laboratory environment. The goal of the laboratory tests is to show how the tag would perform in different applications. Simply place the tag or tags on Voyantic Reference Materials in different arrangements and run the tests on Tagformance.

When proper test data is available, there is no need for extensive field tests with various tag and reader combinations. Shortening the field tests saves time and money significantly – both for the seller and the buyer.

Typical test results include RAIN RFID read ranges and orientation patterns on various materials and within diverse tag populations. When the tags are attached to different materials, their tuning, and performance level change, with the test results, it is possible to evaluate what the read range would be with varying models of readers. The results predict how the real-life RAIN RFID system will work. With proper tag data, even RAIN RFID readers can be easily compared, and the bottleneck of the system performance can be identified.

Step 3: Let the Customer Play with the Data

Utilizing RAIN RFID tag test data is really simple. As a result, you are able to assist your customer efficiently, and most likely, also to shorten tag sales cycles. If you want to learn the specifics related to RAIN RFID tag data crunching utilizing the Tagformance software, please read on.

Tagformance Read Range test results are an excellent way to compare tags. Choose test data with the tag population and material corresponding to the RAIN system use, and enter reader the information.

The graphs show the read range of one RAIN RFID tag with two different readers.

RAIN RFID tag read range

When the tag is tested with the RAIN RFID reader parameters entered into the system, the test results show the overall system performance.

In the first case, the system level read range bottleneck is tag sensitivity, and the resulting read range is 8 meters (26 feet) in the FCC frequency range.

RAIN RFID tag read range and reader sensitivity

In the second scenario, the reader has lower sensitivity, read range decreases to 5 meters (16 feet), and the system level bottleneck is reader sensitivity.

It is also easy to tie production variation to the test results. With production, variation included the read range variation is 3.5 meters to 7 meters (12 feet to 23 feet).

RAIN RFID tag read range and production variation

Producing the same information with tag samples and a reader is difficult and uncertain. Depending on the selected sample tag, the expected read range may be anything between 12 feet and 23 feet, and there is no information about the variation. Surprises await in implementation, and counting accuracy is likely to be well below 100%.

Other test results show, for example, the orientation pattern – how the read range changes when the tag and the reader are not facing each other directly, and how the tag performance changes when there are multiple tags in front of the reader.

Good RAIN RFID Tag Performance Data is a Powerful Sales Tool

There is a lot of tag test data available, and the Tagformance viewer software is an excellent tool for presenting the data to the customers.

Tagformance viewer software

Tagformance Viewer is Available and Can Be Used by Anyone

With the viewer software, it is easy to choose results from RAIN RFID tag tests corresponding with the customer’s intended use scenario, input reader information, and see the actual system-level performance.

Download a Sample Datasheet Showing RAIN RFID Tag Performance and Quality Information

Download here an excerpt from a sample datasheet showing how to tag data could be presented in a datasheet. The sample shows how the tag performance and quality information is presented in a format that is useful for the customer in tag selection.

Download Sample Test Data and Tagformance Viewer Software

The Tagformance viewer software can be used to view test data. By inputting different reader parameters, such as reader power, to the software, the application shows how the read range changes. By inputting tag variation information, read range variation can be seen. The viewer software can be used for viewing and analyzing data from the tag developers and manufacturers. Would you like to try? Contact us and I will be happy to send you the software installer with demo results!