Radio Frequency Identification Overview - Sagebrush Tags
Radio Frequency Identification Overview
What is Radio Frequency Identification (RFID)?
RFID, also known as electronic identification (EID), is an automatic identification and data-capture system comprised of one or more readers and one or more transponders (tag) that transmit and receive on a specific radio frequency. RFID gives producers the ability to quickly, easily and accurately capture...
Website:
http://www.sagebrushtags.com
TagCentric - SourceForge
TagCentric is software written for the purpose of controlling RFID devices and gathering RFID-related data in a facility. It allows the user to seamlessly interact with multiple brands of RFID readers, and to collect data into a user-specified database. TagCentric also allows the user to print and encode RFID tags, through the use of a Zebra printer. While TagCentric may not have all of the...
Date: 2007-04-05 16:45:04
Website:
http://tag-centric.sourceforge.net
Related topics : rfid reader software open source / rfid tag reader software / zebra rfid tag printer and encoder / rfid tags and readers cost / cost of rfid readers and tags
Operations Of RFID : RFID Block Diagram | Backscatter ...
b. RFID Block Schematic:
A simplified block schematic of an RFID tag (also called transponder) is shown in the diagram below. Various components of the tag are as shown. Normally, the antenna is external to the tag chip, and large in size.
The operation of the RFID tag is described below:
Handshaking with the Reader (interrogator):
The reader continuously emits RF carrier signals, and keeps observing the received RF signals for data.
The presence of a tag (for our discussion, we consider only passive tag) modulates the rf field, and the same is detected by the reader.
The passive tag absorbs a small portion of the energy...
Website:
tutorialsweb.com
Related topics : rfid passive tag block diagram / rfid tag block diagram / rfid tag schematic diagram / rfid reader block diagram / rfid block diagram
Cow Sense Store - Animal ID
- Support
Animal ID
Electronic identification (EID) adds speed and accuracy to your cattle management systems. It enables you to view animal records instantly and to add new information easily. EID is essential in value added production when you want to receive information about your animals from the feedlot or processor, and it enables you to add that information to Cow Sense automatically,...
Website:
http://www.shopcowsense.com
Related topics : radio frequency identification tags cattle / allflex rfid ear tags / rfid animal ear tag / rfid ear tags for cattle / cattle rfid tag reader
ID01 UHF RFID Reader-USB-DFRobot
BUY NOW
INTRODUCTION
UHF RFID MODULE-USB this RFID tag reader is a remote read-write module of IC card using non-contact UHF technology. It can be widely used in vehicle monitoring, remote control, home alarm system, wireless meter reading, access control system, industrial data acquisition system, the wireless tag, identification,...
Website:
https://www.dfrobot.com
RFID for Retail: Inventory Management to Point of Sale ...
Trimble's RFID system is called ThingMagic and�powers several components of the inventory management system at Gerry Weber. �The system includes handheld scanners used for inventory, point of sale scanners,�and Electronic Article Surveillance (EAS) gate antennas. Gerry Webber has implemented the system in 150 retail stores in Germany and throughout Europe.
Gerry Weber began by embedding...
Date: 2017-03-04 00:53:03
Website:
https://pointofsale.com
Related topics : rfid inventory management retail / rfid tags used in retail / rfid inventory management system / rfid tags retail+stores / rfid tags in retail stores
Comparing Tracker Technologies (GPS, vs RFID vs Bluetooth ...
In comparing location tracker technologies (GPS, vs RFID vs Bluetooth vs. Wi-Fi) you must first know what they do and the attributes of each. Which is best? What are their weaknesses? This article will examine the 4 main types of technology used for tracking people, pets and things.�
Where is the technology in 2019?
GPS
Global positioning system (GPS) trackers are different from Bluetooth and...
Website:
https://gpstrackerinfo.com
RFID Tracking Systems | IMEC Technologies
RFID tags can be read when they are covered or not visible - a tag can be read even if it is inside a box, carton or case
You can read multiple RFID tags at once - unlike bar codes, which can only be read one at a time.
RFID Tracking Systems from IMEC Technologies have been deployed for applications including:
Tool tracking on industrial sites
Logistics and distribution - tracking items in...
Website:
http://www.imectechnologies.com
Related topics : asset tracking system using rfid / tracking system using rfid / rfid tag tracking system / passive rfid asset tracking system / active rfid tracking system
RFID | RFID Wiki | FANDOM powered by Wikia
Radio Frequency Identification (RFID) is a technology that allows individuals and companies to track items throughout the business process in real-time (Kamoun, 2008). The actual process involved with using the technology is relatively simple, but implementation and the requirements for managing the technology become increasingly more complex.
First, the assets are tagged, and within the tag is...
Date: 2012-04-08 10:32:38
Website:
http://rfid.wikia.com
RFID in Hospitals | Tragging Fixed Assets Software
With RFID-based fixed asset tracking software, maintaining accurate records of all hospital fixed assets is a piece of cake! The RFID-based fixed asset tracking software typically saves locations, inventory levels, maintenance records, user history, status (in-use, sterile, etc.) and more in one database through the use of RFID fixed asset tags.
Tragging's RFID-based fixed asset tracking software...
Website:
http://fixedassetsoftware.net
Fujitsu RFID Laundry Tag UHF WT-A521/A522
Ultra-rugged UHF RFID Tags for commercial and Industrial Textile Applications.
This is a cost efficient solution with exceptional durability for washing, drying, dry cleaning and ironing, suitable for high-pressure extractors up to 60 bar. The tag is a small, soft, flexible material ideal for textiles,...
Website:
rfid4ustore.com
Radio Frequency Identification (RFID) Systems for ...
Our Radio Frequency Identification (RFID) chips, tags and systems provide you better insight into your inventory operations. From the stock room to the sales floor, our specialists can help design the best RFID solution for your retail environment. We help you efficiently track and manage your inventory while preventing theft enhancing loss prevention throughout your operations.
The most flexible, reliable RFID solutions:
Leaders in Radio Frequency Identification (RFID)...
Website:
https://www.tycois.com
Related topics : radio frequency identification rfid systems / radio frequency identification (rfid) chip / radio frequency identification rfid chip / radio frequency identification tags (rfid) / rfid radio frequency identification tags
Supply Chain Management: Process & Examples | Study.com
In this lesson we will be discussing the value and necessity of supply chain management. Supply Chain Management is the strategy of ensuring that raw materials, goods and inputs are in the correct place at the required time. While this is a very basic idea, imagine all the small parts a vehicle manufacturer has to keep track of. Not an easy task.
The Supply Chain
The Supply Chain is the movement...
Website:
https://study.com
Who are the major RFID manufacturers in the world? - Quora
ZBTECH is the manufacturer of rfid tags, also provide ideas and information about rfid.
How to choose NFC tag-Buyers' Guide
You must hear some benefits of NFC tags in our daily life, also see some questions about how does nfc tag work? Can we use it in some other field? It wouldn't make sense to stick a nfc label on a tree, right? Here is buyers' guide for how to choose the right nfc tag in...
Website:
https://www.quora.com
Cattle Tags | Microchips l Tracking Horses | Call 877-330-3943
Cattle Tags | Microchips l Tracking Horses | Call 877-330-3943
USDA 840 Microchips and Tags PROVEN AVID TECHNOLOGY.
Toll free 877-330-3943 or 970-351-7701
Email: sales@EZidAvid.com
Q&A - What is RFID?
- Radio Frequency Identification Device systems support herd management by providing rapid, error-free individual animal identification. Radio frequency identification devices are used for...
Date: 2017-02-15 19:41:52
Website:
http://www.ezidavid.com
Related topics : rfid animal ear tag / radio frequency identification device rfid technology / radio frequency identification device rfid / rfid ear tags livestock / rfid ear tags for cattle
Medical Uses for RFID Products - Vizinex RFID
Medical Uses for RFID Products
There are a lot of interesting ways to use RFID products in the medical field. However now that the tags, themselves, can be made small; pharmaceuticals, lab samples, wristbands and other medical equipment can be tracked and traced, and data entry can be automated. Thus, RFID products in the medical field are aiding in the elimination of medical mistakes.
There are...
Website:
https://www.vizinexrfid.com
RFID Tag provides asset visibility with location accuracy.
RFID Tag provides asset visibility with location accuracy.
Press Release Summary:
Jun 25, 2007 - Supporting ISO 24730 and IEEE 802.11 (Wi-Fi) based RTLS applications, multimode WhereTag(TM) IV works with integrated wireless architecture for real-time location, messaging, telemetry, and workforce communication applications. In ISO 24730 mode, it meets need for location accuracy of 5-10 ft and...
Website:
https://news.thomasnet.com
Zebra Technologies - Solving R110Xi4 Tag Errors - VOIDS or ...
R110Xi4 RFID Setup and Best Practices
Applies To
R110Xi4
Details
There are no Transponder Placement / Power Guidelines for the R110Xi4 as it has the below features:-
�
Adaptive Encoding Technology automatically selects optimum encode settings
Variable inlay placement supports a range of inlay positions for maximum media flexibility by automatically sensing inlay position to optimize...
Website:
https://km.zebra.com
Related topics : read write rfid tags / rfid label printers / rfid label printer / zebra rfid tag printer and encoder / rfid printer media
Automate4G – Roseman Fueling Simlicity
Wireless Nozzle Reader (WNR)
The Wireless Nozzle Reader (WNR) is a small device, fitted with three RF technologies that reads the Roseman RFID tags and transfers tag information to the WAF antenna.
Weather-proof and explosion proof, the WNR is specially engineered for the harsh nozzle environment. It features a built-in tamper mechanism that detects the removal of the WNR from the nozzle, preventing unauthorized refueling.
The WNR is fitted with a replaceable battery, and no additional wiring is needed to ensure convenient...
Website:
http://automate4g.com
Related topics : rfid tag information / types of rfid tag antenna / rfid tag antenna / how to read rfid tag / rfid tagging technology
Pallets With RFID Technology | Global Trade Magazine
RFID technology offers many benefits to logistics including clear identification of pallets and their cargo, expedited receipt of goods, and seamless trackability.
Unlike barcodes or labels, the small transponders can store significantly more information and make it available at any time - also in large quantities and in a matter of seconds thanks to bulk reading. This allows operators to control...
Website:
http://www.globaltrademag.com
What is RFID? - Control Electric Company
RFID (Radio Frequency IDentification) is an electronic method of exchanging data over radio frequency waves. There are three major components to a RFID system: Transponder (Tag), Antenna and a Controller.
The Transponder (Electronic Transmitter/Responder) contains a silicon microchip, smaller than a grain of rice, and a small antenna. Some Transponders have integrated batteries for powering the...
Date: 2008-05-21 13:16:10
Website:
http://controlelectric.com
Related topics : will rfid replace barcode technology / radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification technology (rfid) / radio frequency identification device rfid technology
RFID Asset Management Solutions for Law Enforcement
RFID Asset Management Solutions for Law Enforcement
RFID Asset Management Solutions for Law Enforcement
GlobeRanger's GR-AWARE PD asset tracking solution
Law Enforcement Agencies and municipalities need to track thousands of assets from furniture, IT equipment to weapons, uniforms and patrol cars. Many items need to be regularly inspected and maintained, others such as personal protection vests...
Website:
https://www.globeranger.com
What are the differences between contactless smart cards ...
Contactless smart cards are a very different technology from RFID tags.� Both are wireless, meaning they can communicate using radio like a cell phone, but contactless smart cards are far more advanced and secure.
Contactless smart cards have small but sophisticated computers inside them.� They deliver the highest levels of computer security to protect your identity, privacy or financial information.� Contactless...
Website:
https://www.justaskgemalto.com
Related topics : rfid tags and contactless smart card technology / difference between rfid and contactless smart card / rfid and contactless smart card / difference between smart card and rfid / rfid smart card frequency
What are the differences between contactless smart cards ...
Contactless smart cards are a very different technology from RFID tags.� Both are wireless, meaning they can communicate using radio like a cell phone, but contactless smart cards are far more advanced and secure.
Contactless smart cards have small but sophisticated computers inside them.� They deliver the highest levels of computer security to protect your identity, privacy or financial information.� Contactless...
Website:
https://www.justaskgemalto.com
Related topics : rfid tags and contactless smart card technology / difference between rfid and contactless smart card / rfid and contactless smart card / difference between smart card and rfid / rfid smart card frequency
LIBREADERLP101 RFID Tag Reader User Manual L-P101 Library ...
LIBREADERLP101 RFID Tag Reader User Manual L-P101 Library USB Reader Tagsys S.A.
Tagsys S.A. RFID Tag Reader
Trouble Viewing? See the or view the HTML Version or PDF in frame
L-P101 Library USB Reader User's Guide Revision 1.0 August 2005 L-P101 Library USB Reader Publishing Information Disclaimer and Limitation of Liability All information herein is either public information or is the property...
Website:
fccid.io
RFID Asset Tracking System - GAO RFID Inc.
Learn about our WIP Asset Tracking System
Does your business need Asset Tracking?
Many companies are not familiar with the existence of Asset Tracking systems and often struggle with determining the cost/benefit of this technology. The following questions will help you decide whether your business is ready for Asset Tracking:
Do you have long-term physical assets that are moveable?
If you have...
Website:
gaorfid.com
Automatic Identification and Data Collection (AIDC)
Used to identify and track items, automatic identification and data collection (also called AIDC, Auto ID , automatic data capture and automatic data collection ) is a family of technologies that identify, verify, record, communicate and store information on discrete, packaged or containerized items. Because the process is automated (rather than reliant on pen, paper and...
Date: 2015-05-01 14:00:54
Website:
http://www.mhi.org
RFID Smart Labels – NFC Smart Label Tags – Multi-Color
MARKET SOLUTIONS
RFID & NFC SMART LABELS
We are specialists in converting RFID & NFC tags into smart labelling solutions. Multi-Color Corporation is a trusted converter by leading suppliers in the industry, offering clients a vast range of adhesives, materials and tags to choose from in order to suit all environments.
We use a specialist insertion machine to convert a regular label into a...
Website:
http://www.mcclabel.com
The Tag Store - Customizable Cattle Tags, Ear, RFID ...
Contact Us
Customized Options:
Duflex tags can be printed with numbers and optional graphics by laser. Customized options are virtually endless, ranging from simple name or number imprints to logos and brands. All visual tags come with a standard black stud. If you would like to custom print the tag stud, the stud will be black with white printing. Markings on the stud must be text or very simple...
Website:
https://www.angusonline.org
Related topics : rfid ear tags for cattle / rfid tag printing / printed rfid tags / rfid cattle tag cost / cattle rfid tag
RFID Protection: Best RFID Products to Protect Your Info
View on Amazon
RFID protection has become a bit of a buzzword when it comes to personal security, as RFID-blocking wallets, sleeves, cases, and covers are growing in popularity and availability. What is this technology and what does it mean for you? We have those answers, plus a list of products to consider if you are looking for a way to add some extra protection to your information.
What is...
Website:
asecurelife.com
RFID Applications in Inventory Control - DecisionCraft Inc.
On the retailing side, RFID technology at the point-of-sale (PoS) can be used to monitor demand trends or to build a probabilistic pattern of demand. This application could be useful for apparel industry or products exhibiting high levels of dynamism in trends.
Reduced Bullwhip effect :
Exaggeration of demand in upward direction in a supply chain network is termed as Bullwhip effect. Due to...
Date: 2010-03-11 12:39:16
Website:
http://www.decisioncraft.com
Related topics : active rfid tag in real time location system / using rfid for inventory control / tracking system using rfid / inventory management using rfid / rfid inventory tracking system cost
Passive Moisture Sensors - How Do Passive RFID Sensors ...
Passive Moisture Sensors are opening a new frontier of environmental sensing where traditional sensing technology cannot go. �See how passive RFID sensors detect and log moisture data.
Passive Moisture Sensors
Continuing with our series of articles around Passive Sensors , in this article we�take a look at one of the most popular types�of passive sensor, passive moisture sensors.
Detecting...
Website:
http://blog.universalrfid.com
Rfid : 2015 - rfidlabnews.blogspot.com
Moods of Norway adopts source tagging for all inventory
Fashion retailer Moods of Norway , which has stores in Norway, the United States and Sweden, is taking the next step in its RFID program by applying RFID tags to the items it sells at the point of manufacture.
Moods of Norway deployed RFID in 2014 in its stores in Norway and Sweden. Beyond in-store use, the retailer uses RFID for...
Date: 2018-09-17 08:17:40
Website:
https://rfidlabnews.blogspot.com
Related topics : rfid tags retail+stores / rfid tags in retail stores / rfid tags used in retail / rfid tags fashion retail / rfid tag production process
The Application Of RFID Technology In Library | STARNFC
The RFID intelligent library management system is composed of RFID smart tag (RFID TAG), intelligent detection antenna, administrator reader, automatic lending desk, handheld reader and application software.
1smart tags can provide convenient data management, and has anti-theft protection function; intelligent detection antenna mainly provides the entrance security work, it can accurately...
Website:
starnfc.com
HF-RFID vs. NFC - Can an NFC-enabled mobile phone read ...
up vote 9 down vote
NFC does not only share the same frequency band (13.56 MHz) but it is based on HF-RFID standards.
Specifically, the NFC interface protocol standard (ISO/IEC 18092 / NFCIP-1) uses components from the RFID standards ISO/IEC 14443 (Type A) and JIS X 6319-4. This essentially merges the technologies MIFARE (by NXP) and FeliCa (by Sony). In addition ISO/IEC 21481 (NFCIP-2) defines...
Website:
stackoverflow.com
Applications for Active RFID and Passive RFID Technology ...
No comments
RFID technology is divided into three categories - Passive, Semi-passive (also called battery assisted passive or BAP) and Active - based on how the tags obtain power and how they use it to communicate with the interrogator. More technical details regarding differences between these three categories are discussed on our Explore Portal .
What are the technical differences?
The passive...
Website:
http://rfid4u.com
Related topics : passive rfid tag read range / passive rfid tag frequency range / difference between passive and active rfid tags technology / passive rfid tag uses / passive uhf rfid tag range
How to Interface RFID with Arduino Uno - Circuit Diagram ...
In this tutorial we are going to design a system to read the ID of RFID cards. RFID stands for Radio Frequency Identification. Each card has a unique ID embedded in it. These systems have many applications, like�in offices, shopping malls and in many other places where only the person with authorization card is allowed to enter in�the room.�RFID is used in shopping malls to stop a theft...
Website:
https://circuitdigest.com
RFID vs. Wi-Fi ID - InformationWeek
RFID vs. Wi-Fi ID
Established networking vendors led by Cisco Systems are promoting Wi-Fi as a way to enable RFID-like applications.
Wireless networks and Radio Frequency Identification (RFID) have always been closely linked: One of Wi-Fi's first applications was transferring data from portable RFID readers. But the popularity of RFID has led some to envision whole networks of readers embedded...
Website:
informationweek.com
Related topics : rfid active reader passive tag / rfid passive tag reader cost / passive rfid tag and reader / passive rfid tag reader / active rfid tag and reader
Using RFID and NFC Technology For Tracking Assets and ...
Using RFID and NFC Technology For Tracking Assets and Inventory
RFID technology can significantly speed up inventory and assets processing. NFC comes close to it, and can be done without purchasing special RFID equipment. You can use NFC-enabled smartphones to keep track of assets and inventory.
�
What is RFID
In a broad sense, RFID (Radio Frequency IDentification) stands for technology that...
Date: 2016-12-09 18:16:52
Website:
http://www.small-business-inventory-management.co
Related topics : rfid for asset tracking and inventory management / tracking and asset management using rfid / asset tracking system using rfid / asset management system using rfid / rfid technology for asset tracking
RFID tag anything with Tikitag - Geek.com
RFID tag anything with Tikitag
By Sal Cangeloso 09.30.2008 :: 2:41PM EDT 09.30.2008
@salcan
This site may earn affiliate commissions from the links on this page. Terms of use .
If you know anything about radio-frequency identification then you probably realize that technology can do a whole lot more then track inventory The possibilities for RFID tags are restricted only by out own abilities to...
Website:
geek.com
RFID and NFC Attacks – CompTIA Security+ SY0-501 – 1.2 ...
The unique characteristics of RFID and NFC have created an entirely new set of security challenges. In this video, you'll learn about RFID and NFC attack types and how to protect yourself against them.
<< Previous Video: Bluejacking and Bluesnarfing Next: Wireless Disassociation Attacks >>
RFID, or radio frequency identification, is now used almost everywhere. If you have a badge to get into...
Website:
https://www.professormesser.com
What is the purpose of stock control or inventory management?
Using RFID for inventory control, stock security and quality management
Radio Frequency Identification (RFID) allows a business to identify individual products and components, and to track them throughout the supply chain from production to point-of-sale.
An RFID tag is a tiny microchip, plus a small aerial, which can contain a range of digital information about the particular item. Tags are...
Website:
https://specialties.bayt.com
Stock control and inventory - m.infoentrepreneurs.org
Using RFID for inventory control, stock security and quality management
Radio Frequency Identification (RFID) allows a business to identify individual products and components, and to track them throughout the supply chain from production to point-of-sale.
An RFID tag is a tiny microchip, plus a small aerial, which can contain a range of digital information about the particular item. Tags are...
Website:
https://m.infoentrepreneurs.org
AeroScout Launches New Wi-Fi-based Active RFID Tag
Market Leader's New Tag Sets Standard for Form, Functionality and Flexibility
February 26, 2007 - AeroScout Inc., the leading provider of Wi-Fi-based Active RFID solutions, has launched the AeroScout T3 Tag, the industry's most advanced, feature-rich tag for asset and people tracking and real-time location solutions.
The AeroScout T3 Tag builds on the company's innovation and expertise as the...
Website:
fieldtechnologiesonline.com
RFID Tracking System | Monitor Inventory | Software | Tri ...
Tri-State Filing �>�RFID Tracking System
RFID Tracking System
Track File Folders, Equipment, Weapons, and any other asset your company rquires.
RFID (Radio Frequency IDentification) File Tracking Software Systems give accountability to the file room clerk as to where and who has a file. No more blaming the file room clerk for missing files. RFID file tracking software will save...
Website:
http://www.tristatefiling.com
TransCore | RFID Products
TransCore offers some of the industry's smallest RFID sticker toll tags without sacrificing reliability. �The small form factor sticker tags allow discrete mounting on the windshield without obstruction of the driver's view.
READ MORE
eGo Plus Mini Sticker Tag
The sticker tag's graphics are customizable on both front and driver-facing sides.�The multi-protocol readers are highly configurable, and able to meet the unique requirements of...
Website:
transcore.com
Related topics : rfid sticker tags / low cost rfid tag reader / low cost rfid tag / rfid tags industrial applications / low frequency rfid tag
АйТиПроект | RFID-система для инвентаризации основных ...
RFID-system for the inventory of property and control over its movement
How to keep control of all fixed assets in the enterprise?
Why do we need an inventory? At any company, office, hotel it is necessary from time to time to know what material resources are available to the company and to have the relevant documents. But during any inventory process problems with great number of documentation,...
Date: 2017-03-04 02:07:41
Website:
http://www.itproject.ru
Related topics : radio frequency identification technology (rfid) / radio frequency identification technology rfid / radio frequency identification (rfid) asset tracking system / radio frequency identification tags (rfid) / rfid radio frequency identification tags
RFID Tag Inlays - skyrfid.com
- The Tag Building Blocks -
RFID Tag Inlays�
RFID inlays are composed of an IC (Integrated Circuit, Chip) and a Dipole antenna.� To attach the antenna to the IC we commonly use a strap.�
RFID inlays can be either "wet" or "dry"��
Wet inlays are inlays that have an adhesive backing with a clear or colored topsurface of PVC,PET or paper, the PVC or PET wet inlays are commonly used to make...
Website:
skyrfid.com
RFID Inlay Product Portfolio | Avery Dennison | RFID
Ultra high frequency (UHF) inlays, tags and labels can provide a read distance of up to 15 feet. This makes UHF RFID systems ideal for many tracking applications.
UHF RFID Inlay: AD-160u7
- Apparel and other item-level retail
- Cosmetics.
- Logistics and Supply Chain Inventory
- General purpose inlay
- Apparel and other item-level retail
- Supply chain, Inventory and Logistics
UHF RFID Inlay:...
Website:
rfid.averydennison.com
Related topics : uhf rfid tag inlay / rfid applications in supply chain / rfid inlay supplies / uhf rfid inlay manufacturers / rfid retail supply chain
Benefits of RFID in Retail Marketing | Chron.com
Radio frequency identification, or RFID, is a new tracking technology that involves small tags that emit distinct signals. Retail business owners can use remote scanners to read RFID tags placed on individual products, enabling them to record a variety of information, including quantities of various stock items and their precise locations.
Consumer Research
RFID tags carry unique product numbers....
Website:
http://smallbusiness.chron.com
Related topics : radio frequency identification technology (rfid) / radio frequency identification technology rfid / rfid technology retail stores / rfid tags retail+stores / rfid tags in retail stores