RFID vs. NFC Links and Resources - What is Near Field ...

About Me

RFID vs. NFC Links and Resources

Many people are still unclear as to the difference between near- field communication and radio- frequency identification. With this resource page I hope to clear up the reasons why they are so similar yet still have a difference between them. As stated in previous articles, RFID is the primary precursor to NFC and the reason for it's creation. The...

Read more

Date: 2014-04-10 15:13:14
Website: http://www.whatisnearfieldcommunication.com

Related topics : radio frequency identification device rfid technology / radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification technology (rfid) / radio frequency identification device rfid definition

[an error occurred while processing this directive]

Explain the risks and benefits of applying RFID in the ...

Radio Frequency Identification (RFID):

Radio Frequency Identification (RFID), in particular passive RFID, has become increasingly common in industrial environments as a way to track and trace products, assets, and material flow. Although the technology has been around for decades, recent advances in tag design have driven the cost down to levels that are helping fuel its acceptance in a wide...

Read more


Website: http://www.ques10.com

[an error occurred while processing this directive]

Introduction to RFID Middleware | RFID4U

RFID Middleware is a radio- frequency identification (RFID) software, that sits between the readers and the enterprise/business applications.�The middleware has several functions and plays a major role in RFID system operation and management. The middleware not only manages RFID readers and printers and communicates between these devices and your business applications but also manages, filters,...

Read more


Website: http://rfid4u.com

[an error occurred while processing this directive]

RFID Handbook: Fundamentals and Applications in ...

RFID Handbook: Fundamentals and Applications in Contactless Smart Cards, Radio Frequency Identification and near-Field Communication, Third Edition

Copyright © 2010 John Wiley & Sons, Ltd

Author(s): Klaus Finkenzeller

Published Online: 14 JUN 2010

Print ISBN: 9780470695067

DOI: 10.1002/9780470665121

About this Book

This is the third revised edition of the established and trusted RFID...

Read more


Website: http://onlinelibrary.wiley.com

Related topics : rfid handbook fundamentals and applications in contactless smart cards and identification / radio frequency identification rfid systems / security system using rfid / rfid card security system / rfid security systems

Using the memory of the RFID chip - Centre National RFID

Home > RFID for all > Various functions of the RFID

Using the memory of the RFID chip

As seen with the unique identifier, information can be stored in the RFID chip's memory. Due to the cost of tags and the communication throughput permitted by most standards, RFID chip memories are rarely larger than ten kilobits. 

This is a long way off the storage capacity currently offered by the smallest...

Read more


Website: http://www.centrenational-rfid.com

Related topics : difference between passive and active rfid tags technology / difference between active rfid tag and passive rfid tag / difference between active and passive rfid tags / radio frequency identification tags (rfid) / rfid radio frequency identification tags

RFID Solution Provider in India, RFID System Integrator Delhi

Learn more

RFID Tags

UHF (Ultra-high frequency) tags are those that can be used in the largest range of applications retail, pharmaceutical item tracking, books and media management, warehouse management, industrial supply chains and many other applications, where long read ranges resistance to harsh environments and low costs are required.

Read more

RFID...

Read more


Website: http://www.ruddersoft.com

FivestarID Pet Microchips - High quality ISO standard RFID ...

Five Star ID Microchips, high quality ISO standard RFID Equipment manufactured in Europe and used�for identification of�pets, game, stock, horses, cattle, etc.

Why Micro chipping is...

Read more


Website: http://fivestarid.co.za

Related topics : radio frequency identification rfid systems / radio frequency identification (rfid) chip / radio frequency identification rfid chip / radio frequency identification (rfid) / radio frequency identification chip

Radio Frequency Identification (RFID) - fda.gov

Radio Frequency Identification (RFID) refers to a wireless system comprised of two components: tags and readers. The reader is a device that has one or more antennas that emit radio waves and receive signals back from the RFID tag. Tags, which use radio waves to communicate their identity and other information to nearby readers, can be passive or active. Passive RFID tags are powered by the...

Read more


Website: http://www.fda.gov

Related topics : radio frequency identification device rfid technology / radio frequency identification device rfid / radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification rfid systems

RFID Solutions Chennai | Radio Frequency Identification ...

RFID stand for Radio Frequency Identification. RFID system is a wireless device use electromagnetic fields to transfer the data automatically to identify the tags attached to the objects. Simple we can say RFID is a wireless technology which identifies or count the huge volume of objects, without contact or line of sight. The RFID system servers the same purpose of the barcode or magnetic strip...

Read more

Date: 2018-01-03 10:26:50
Website: http://www.mapolbs.com

File Tracking - 3M Global Gateway

File Tracking

Finding a file among piles of records can be an arduous and time consuming exercise. Innovative products from the 3M[TM] RFID Tracking System helps you find files - fast. The 3M[TM] RFID Tracking System uses Radio Frequency Identification (RFID) technology to locate, inventory and check files in and out. The File Tracking system from 3M can be implemented using your existing...

Read more


Website: http://solutions.3mindia.co.in

Related topics : 3m rfid file tracking system / radio frequency identification (rfid) asset tracking system / rfid tag tracking system / rfid asset tracking software system / asset tracking system using rfid

Radio Frequency Identification | T-Systems South Africa

T-Systems South Africa is adding Radio Frequency Identification (RFID) technology-related services to its extensive portfolio of innovative business process solutions.

The use of business processes enabled with RFID technology requires a combination of IT and Telecommunications know-how and the ability to successfully combine both aspects into a successful business process that not only ensures...

Read more


Website: http://www.t-systems.co.za

Related topics : radio frequency identification rfid systems / radio frequency identification technology (rfid) / radio frequency identification technology rfid / airport security system using rfid technology / radio frequency identification patient tracking system

RFID Based Library Management System Project Report

RFID Based Library Management System Project Report

Radio Frequency Identification (RFID) is a new generation of Auto Identification and Data collection technology which helps to automate business processes and allows identification of large number of tagged objects like books, using radio waves. RFID based...

Read more

Date: 2017-10-11 08:29:23
Website: http://www.onlinefreeprojectdownload.com

RFID Security Issues in Military Supply Chains - TechRepublic

Radio Frequency IDentification (RFID) technologies have been used by the military to gain in-transit visibility and improve inventory management. The advantages of using RFID to track assets over using barcode have been broadly recognized. However,...

Read more


Website: techrepublic.com

Alien Technology - CB Insights

Alien Technology is a leading technology and product provider of UHF Radio Frequency Identification (RFID) Integrated Circuits (IC), tags, readers and professional services. Alien Gen 2 products, along with software solutions from partners, help solve business...

Read more

Date: 2018-01-11 02:19:02
Website: https://www.cbinsights.com

RFID System Hardware, Supplies, & Equipment - Buy Online ...

RFID System Hardware, Supplies, & Equipment

RFID System Hardware, Supplies, & Equipment

At Barcode Planet, we have trained Radio Frequency Identification (RFID) specialists on staff, ready to help develop the right RFID solution for your business. We have a wide selection of RFID readers , handheld , USB , and fixed ; RFID printers , desktop and industrial ; RFID tags , labels , inlays , and...

Read more


Website: http://www.barcodeplanet.com

Challenge: Towards Distributed RFID Sensing ... - dl.acm.org

Concepts inChallenge: towards distributed RFID sensing with software-defined radio

Software-defined radio

A software-defined radio system, or SDR, is a radio communication system where components that have been typically implemented in hardware are instead implemented by means of software on a personal computer or embedded computing devices. While the concept of SDR is not new, the rapidly...

Read more


Website: dl.acm.org

Related topics : radio frequency identification rfid systems / radio frequency identification tracking system / radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency tracking system

Frequently asked questions: EDL/EID - WA State Licensing ...

What is RFID?

Radio Frequency Identification is a wireless technology that stores and retrieves data remotely. An RFID system typically includes an RFID tag with a microchip and antenna embedded in a card or other item, an RFID reader, and a database. To learn more, see What is Radio Frequency Identification (RFID) .

How does it work?

The RFID tag embedded in your EDL/EID contains a unique...

Read more


Website: http://www.dol.wa.gov

RFID Handbook: Fundamentals and Applications in ...

This post was published 2 years ago and the download links can be irrelevant.

Scroll down to see the links and check these - maybe you will be lucky!

Klaus Finkenzeller, Dörte Müller, "RFID Handbook: Fundamentals and Applications in Contactless Smart Cards, Radio Frequency Identification and Near-Field Communication"

English | 2010 | ISBN: 0470695064 | PDF | pages: 480 | 5,5 mb

This is the...

Read more


Website: https://sanet.cd

Related topics : rfid handbook fundamentals and applications in contactless smart cards and identification pdf / rfid handbook fundamentals and applications in contactless smart cards and identification / rfid handbook fundamentals and applications in contactless smart cards pdf / radio frequency identification rfid systems / security system using rfid pdf

Indian Ports to Introduce RFID System - MarineLink

Indian Ports to Introduce RFID System

By Aiswarya Lakshmi April 3, 2017

Pon Radhakrishnan, Union Minister of State for Road Transport, Highways and Shipping, Government of India. Photo: Official Twitter Page

India's �all major ports have been asked to put in place the RFID system to ensure real-time tracking of vehicles and men at ports.

"All major ports have been directed to implement RFID...

Read more


Website: https://www.marinelink.com

Related topics : radio frequency identification rfid systems / cost of implementing rfid system / rfid based vehicle tracking system / rfid based container tracking system / rfid reader for vehicle tracking systems

Radio Frequency Identification (RFID) in Retail Market ...

Radio-Frequency Identification (RFID) in retail uses electromagnetic radio-frequency to transfer data from a tag attached to an object through the utilization of a wireless scan system. It is mainly employed for automatic identification and tracking purposes. The market is expected to grow significantly owing to low cost, ease of tracking and inventory management.

RFID tags carry unique product...

Read more


Website: grandviewresearch.com

Radio Frequency Identification - Model Railroad Control ...

An RFID system for Model Railroads. Reads 125KHz EM4100 tags.

These are used for reporting train position and generating switch lists

Read...

Read more


Website: http://www.modelrailroadcontrolsystems.com

Related topics : radio frequency identification rfid systems / radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification (rfid) / rfid tag system

What is the purpose of an RFID reader - answers.com

Boeing Co. and Airbus S.A.S, the world's largest airplane makers, plan to require more than 2,000 of their suppliers to begin tagging aircraft and engine parts with radio-frequency identification technology

share with friends

Disadvantages of rfid?

Disadvantages of RFID: i. Expensive compared with Bar code ii. Bulkier, due to embedding of electronic components in the tag. However,...

Read more


Website: answers.com

What does RFID mean? - Kimaldi

Radio Frequency Identification (RFID) is an automatic identification method, relying on storing and remotely retrieving data using devices called RFID tags or transponders

An RFID tag is an object that can be attached to or incorporated into a product, animal or person for the purpose of identification using radio waves. Chip-base RFID tags contain silicon chips and antennas. Passive tags require no internal power source, whereas active tags require...

Read more


Website: http://www.kimaldi.net

What does RFID mean? - Kimaldi

Radio Frequency Identification (RFID) is an automatic identification method, relying on storing and remotely retrieving data using devices called RFID tags or transponders

An RFID tag is an object that can be attached to or incorporated into a product, animal or person for the purpose of identification using radio waves. Chip-base RFID tags contain silicon chips and antennas. Passive tags require no internal power source, whereas active tags require...

Read more


Website: http://www.kimaldi.com

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...

Read more


Website: http://www.sagebrushtags.com

American Rfid Solutions - Arlington Heights - Illinois

American RFID Solutions - RFID Training, RFID Solutions, RFID ...

American RFID Solutions provides RFID Training and RFID Solutions to RFID Technology Professionals worldwide. Our RFID Company also excels in RFID Supply Chain and ... 

American RFID Solutions - Coming Soon

Real Time Location Systems combine the benefits of RFID and GPS. RTLS is used to identify, track, and manage the location of...

Read more


Website: tuugo.us

RFID Tracking Systems - Black Creek ISC

Black Creek's TSI PRISM[TM] Radio Frequency Identification (RFID) Tracking System is the only true real-time location and tracking technology that is specifically tailored for the corrections market. TSI PRISM[TM] active RFID technology provides a revolutionary capability for prisons and jails to...

Read more

Date: 2017-09-27 21:19:26
Website: http://www.blackcreekisc.com

Related topics : radio frequency identification tracking system / radio frequency identification rfid systems / radio frequency tracking system / active rfid tracking system / tracking system using rfid

Elpas

Related Websites +

About Elpas

Elpas manufactures advanced Triple Technology Active RFID (Radio Frequency Identification), Real-time Location Systems (RTLS) Passive RFID, and Physical Access safety, security and visibility products and solutions. Our solutions are the most cost-effective way to protect high-value assets, staff members, patients and visitors in acute...

Read more


Website: http://www.elpas.com

Related topics : active rfid based asset tracking system / radio frequency identification (rfid) asset tracking system / rfid based asset tracking system / radio frequency identification rfid systems / active rfid location tracking

urn:nbn:se:liu:diva-81905 : Novel Semi-Passive RFID System ...

Novel Semi-Passive RFID System for Indoor Localization

Athalye, Akshay

Signal Processing Application Group, Universidad Politecnica de Madrid, Madrid, Spain.

Bolic, Miodrag

Djuric, Petar M.

Stony Brook University, USA.

2013 (English)In: IEEE Sensors Journal, ISSN 1530-437X, E-ISSN 1558-1748, Vol. 13, no 2, 528-537 p.Article in journal (Refereed) Published

Abstract [en]

In this paper, we present a novel semi-passive radio-frequency identification (RFID) system for accurate indoor localization. The system is composed of a standard ultra high frequency (UHF) ISO-18000-6C compliant RFID reader, a set of standard passive RFID tags whose locations are...

Read more


Website: http://www.diva-portal.org

Related topics : novel semi passive rfid system for indoor localization / uhf passive rfid tag reader / passive rfid tag system / semi passive rfid tags / passive rfid tag and reader

A Passive UHF-RFID System for the Localization of an ...

A global localization system combining odometry data with radio frequency identification (RFID) readings is proposed. RFID tags are placed at the ceiling of the environment and can be detected by a mobile robot unit traveling below them. The detection of the tags is the only information used in the proposed approach (no distance or bearing to the tag is...

Read more


Website: https://www.infona.pl

Related topics : radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification rfid systems / radio frequency identification (rfid) / passive rfid tag uses

All About RFID radio frequency identification - Webopedia.com

Short for radio frequency identification, RFID is a dedicated short range communication (DSRC) technology. RFID technology is similar to the bar code identification systems we see in retail stores everyday.

Short for radio frequency identification, RFID is a dedicated short range communication (DSRC) technology. The term RFID is used to describe various technologies that use radio waves to...

Read more


Website: webopedia.com

Introduction to the RFID - Centre National RFID

Introduction to the RFID

1. Definition of RFID

For many of us, using a key to start a car, a card to access a building or room, using ski lifts on a winter sports holiday and validating a bus or underground ticket have become part of our daily routine. Without always realising it, we use automatic data capture technology that relies on radio-frequency electromagnetic fields. This technology is...

Read more


Website: http://www.centrenational-rfid.com

Related topics : radio frequency identification technology (rfid) / radio frequency identification technology rfid / radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification (rfid) chip

Radio Frequency Identification (RFID) Technology

Radio Frequency Identification (RFID) Technology

RFID system for management of nuclear materials packages in transportation and storage. Click image to enlarge.

Argonne National Laboratory has developed a radio frequency identification (RFID) technology for the management of nuclear and radioactive mat

erial packages during storage and transportation. Development of the technology involved...

Read more


Website: http://www.ne.anl.gov

Related topics : radio frequency identification (rfid) asset tracking system / radio frequency identification device rfid technology / radio frequency identification technology (rfid) / radio frequency identification technology rfid / radio frequency identification rfid systems

Inventory RFID - fresh222.us

Unified RFID inventory system and tracking

RFID inventory is a system of automated process for stock accounting, asset and property accounting that can have an efficient insight of stock movement at any period of time. The�system has high accuracy and it iseasy and simple to use.

Below, we present the RFID inventory system developed by us, the composition and cost.One of the most advanced...

Read more


Website: https://fresh222.us

Security Access Control Using RFID Project

This video shows the working of "Security Access Control Using RFID Project". This project aims at providing a secure authentication system based on RFID tags that allow only people with authorized RFID tags to access secure area. Security is an important aspect for every enterprise.

It is important to protect physical as well as intellectual property protection. Due to this concern only authorized people with proper tags must be allowed to enter the premises. The tag holds an integrated circuit that is used to store, process data as well as modulate and demodulate the RF signals being...

Read more


Website: youtube.com

Veni Vidi Vici - India | RFID - Library Management System

Radio Frequency Identification (RFID) is a technology that facilitates non line of sight identification of items. Basic elements of a comprehensive RFID system for library kind of environment are Tags, Readers & Library management system.

Implementing RFID system in libraries will aid tasks such as circulation, re-shelving & theft detection, and it has several other important...

Read more


Website: https://www.creativesaints.com

NFCNEARFIELDCOMMUNICATION.ORG - TIMELINE OF RFID TECHNOLOGY

TIMELINE OF RFID TECHNOLOGY

Late 1940's:

Radar technology was first used to identify enemy and friendly aircraft. Technically this was the first used to RFID

1948:

A scientist and inventor Harry Stockman creates RFID and is credited with the invention. He also wrote a famous scholarly article about this new technology entitled, "Communication by Means of Reflected Power"

1950's:

Scienctists...

Read more

Date: 2014-04-10 15:13:15
Website: http://www.nfcnearfieldcommunication.org

RFID in Retailing and Customer Relationship Management

Radio Frequency Identification (RFID) is a hot topic in retail supply chain management [Behrenbeck, Küpper et al. 2004]. Yet, a recent study predicts "that the true benefits of RFID for retailers will be in enhanced marketing opportunities" [Sharpless 2005]. Research on RFID for marketing purposes is still rare giving the opportunity for more specific research on how RFID will influence...

Read more

Date: 2017-03-04 04:03:46
Website: http://connection.ebscohost.com

Related topics : rfid technology supply chain management / radio frequency identification technology (rfid) / radio frequency identification technology rfid / improvement of supply chain performances using rfid technology / radio frequency identification rfid systems

HKIA Boosts Baggage Handling Efficiency with RFID Technology

HKIA Boosts Baggage Handling Efficiency with RFID Technology

(HONG KONG, 15 January 2008) - As part of its ongoing commitment to enhancing operational efficiency and customer service, Hong Kong International Airport (HKIA) today announced that all of its check-in counters can now print integrated radio frequency identification (RFID) baggage tags. The new tags, which combine an embedded RFID chip...

Read more


Website: https://www.hongkongairport.com

RFID (Radio Frequency Identification) - DonsNotes

RFID (Radio Frequency Identification)

Under Construction.

2015 seems to be the year of contactless payment and ID systems with the rollout of Apple Pay to compete with Google Wallet and chips on credit cards.

RFID tags:

- Passive RFID tags do not have a transmitter; they simply reflect back energy (radio frequendy (RF) waves) coming from the reader antenna.

These are the type used on credit cards...

Read more

Date: 2015-04-21 23:43:42
Website: http://donsnotes.com

SLF Technology Sdn Bhd – Barcode Hardware and POS Peripherals

Since 2004, SLF Technology has provided countless businesses with cutting edge Automatic Identification and Data Capture (AIDC) system, part of it being Radio Frequency Identification...

Read more


Website: http://barcode2u.com.my

Related topics : radio frequency identification rfid systems / radio frequency identification technology (rfid) / radio frequency identification technology rfid / radio frequency identification (rfid)

RFID-Based Security System - electronicsforu.com

A radio-frequency identification (RFID) based access-control system allows only authorised people to enter a particular area of an establishment. Authorised people are provided with unique tags, using which they can access that area. This RFID based security system is based on micro controller AT89C52 and comprises a RFID module, a LCD module for displaying the status and a relay for opening the...

Read more


Website: electronicsforu.com

RFID Technology and Architecture | Tutorial-Reports.com

RFID Technology and Architecture

Submitted by gc on Fri, 02/01/2013 - 01:33

Before RFID can be understood completely, it is essential to understand how Radio Frequency communication occurs.

RF (Radio Frequency) communication occurs by the transference of data over electromagnetic waves. By generating a specific electromagnetic wave at the source, its effect can be noticed at the receiver far from...

Read more

Date: 2017-12-09 23:35:30
Website: http://www.tutorial-reports.com

Low Frequency RFID (LF) - rfid.com.au

Locations & Phone

Low Frequency RFID (LF)

Electro-Com are the appointed distributors for TI-RFid[TM] low frequency (LF) Radio Frequency Identification (RFID) readers, transponders and antennas.

Texas Instruments Low Frequency RFID technology operates on a frequency of 134.2 kHz, half duplex technology. The benefits of the technology allow the tags to be made for just about any application with...

Read more


Website: http://www.electrocom.com.au

Related topics : low frequency rfid reader / low frequency rfid tag / radio frequency identification technology (rfid) / radio frequency identification device rfid technology / radio frequency identification technology rfid

RFID Asset Management - hopelandrfid.com

Assets Management

Background:

Fixed Asset is the most important part of enterprise assets composition.� It� guarantee s the production and management, and plays a significant role for enterprise financial condition.�Therefore, strengthening the assets management for complete, value maintained and value added, and making full use of the assets, is an important task for enterprise's...

Read more


Website: hopelandrfid.com

Radio Frequency Identification History and Development ...

Radio Frequency Identification History and Development

Chin Boo Soon (The University of Auckland, New Zealand)

Download link provided immediately after order completion

$30.00

20% off Year-End Sale

Abstract

This chapter describes the history and development of Radio Frequency Identification (RFID). Key information on RFID such as the ratification of the RFID standards and important regulations on...

Read more


Website: igi-global.com

RFID School Attendance Systems - Edsys

Add to Flipboard Magazine.

 

Attendance is an important everyday school activity. A decade ago, attendance was taken at schools by calling out everyone's name. Now, technology has made the process easier and faster. You might be familiar with biometric systems.

RFID technology is currently the most popular and feasible technology used for School Attendance Systems, student tracking systems and...

Read more


Website: http://www.edsys.in

Related topics : difference between passive and active rfid tags technology / difference between active rfid tag and passive rfid tag / rfid active reader passive tag / difference between active and passive rfid tags / passive rfid tag uses

What Point Of Sale System Does Walmart Use? | Expert Market US

Walmart's point of sale system also incorporates Radio Frequency Identification (RFID) which involves attaching tags with electronically stored information to products. These can then then be read at the till electromagnetically by a file system which gives it an association.

The SUSE Linux Enterprise Point of Service is designed specifically for the retail environment and supplies hardware ranging from self-service systems to traditional kiosks. This is system designed to be...

Read more


Website: http://www.expertmarket.com

Related topics : radio frequency identification technology (rfid) / radio frequency identification rfid systems / radio frequency identification technology rfid / radio frequency identification tags (rfid) / rfid radio frequency identification tags

RFID and Contactless Smart Card Applications: Dominique ...

Product description

Review

"I highly recommend this book...electrical engineers...will find this book particularly relevant for understanding and applying this exciting new technology." (IEEE Electrical Insulation Magazine, September/October 2006)

"...this text will prove to be invaluable reading." (Microwaves & RF Newsletter, May 18, 2006)

"...provides a systematic overview of the current situation of Radio Frequency Identification..." (RFID Newsletter, January 2006)

From the Back Cover

Development within RFID (Radio-Frequency Identification) is expanding rapidly with applications ranging from secure Internet payment systems to...

Read more


Website: https://www.amazon.ca

Radio Frequency Identification for Inventory | Chron.com

Radio Frequency Identification for Inventory

by Bert Markgraf

Radio frequency identification facilitates efficient inventory tracking.

Jupiterimages/Photos.com/Getty Images

[Retail Tags] | Methods for Retail Tags

Radio frequency identification (RFID) tags are attached to individual products or boxes of products and generate radio signals containing information about the product. Passive tags...

Read more


Website: http://smallbusiness.chron.com

Related topics : radio frequency identification (rfid) asset tracking system / radio frequency identification tags (rfid) / rfid radio frequency identification tags / rfid inventory tracking tags / rfid inventory tracking system cost