Selected articles for topic: rfid tracking system
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Time & Attendance | Active RFID System
Active RFID Solution for office management
������Automated Attendance Monitoring System
����Hong Kong RFID Ltd. developed an automated attendance monitoring system with our active products , providing ease, efficiency and accuracy in recording employees' attendance.
���� Benefits:
Active RFID Automated A ttendance Monitoring System tracks employees' in/out...
Date: 2013-01-13 18:54:31
Website:
http://active-rfid.net
Warehouse / Inventory Management - ESRFID
Our Automated Warehouse Management System integrates RFID, which unlike barcode system, can track items more specifically by lot number, serial number, expiry date or other information making tracking easier. The system also monitors assets and their movements in multiple locations in real time.
how can we help...
Website:
http://esrfid.com
Related topics : rfid warehouse management system / rfid warehouse inventory management / rfid inventory management system cost / rfid warehouse tracking system / rfid inventory management system
Savi Technology Introduces Savi Sentinel RFID System to ...
Savi Technology Introduces Savi Sentinel RFID System to Automate Management and Security of Cargo Container Shipments
U.S. Maritime Security Conference
October 29, 2003 08:06 AM Eastern Standard Time
NEW YORK--( BUSINESS WIRE )--Oct. 29, 2003--
�
7th-Generation Wireless Technology Links with Other Sensor Devices and a Wireless Global Network to Report Container Location and In-the-Box...
Website:
businesswire.com
RFID Warehouse Management | Strategic Systems RFID ...
Strategic Systems' RFID solutions.
Provide greater visibility into your inventory as it moves across the supply chain.
Enable faster inventory turns and less stagnant stock.
Decrease warehouse work functions from inventory to pick/pack/ship and put away.
Ensure the right goods reach the right customers at the right time.
Achieve maximum visibility into your enterprise assets.
Capture critical...
Website:
sstid.com
Related topics : rfid warehouse management system / rfid warehouse tracking system / rfid warehouse system / rfid warehouse inventory management / rfid inventory management system cost
Asset Tracking & Inventory Management Systems, Software ...
What Is Asset Tracking And Inventory Management?
Organizations strive to gain greater control and efficiencies when managing their assets--technology systems, office equipment, and people. These tools help manage the complete lifecycle of particular assets, track their location to ensure assets are not missing or stolen, and ensure upgrades and system deployments run effectively. Both barcode...
Website:
https://www.cdw.com
Related topics : tracking and asset management using rfid / rfid for asset tracking and inventory management / radio frequency identification (rfid) asset tracking system / asset management system using rfid / rfid technology in asset management
RFID in Retail, RFID Tracking, RFID Technology, RFID ...
Deployments
RFID in Retail
The secret to successful retailing is to have the right goods available in the right quantities at the right places for the right price. RFID has the ability to make this entire process hassle-free, while at the same time reducing costs, enhancing store productivity, improving customer satisfaction and increasing revenue.
Since RFID tags are capable of far greater...
Date: 2015-02-14 13:58:49
Website:
http://www.essenrfid.com
The Key to GM's Assembly Line - Popular Mechanics
This Bolt is the Key to GM's High-Tech Assembly Line
At a New York State factory where General Motors builds engines, a new kind of smart bolt collects data during manufacturing to help the automaker cut mistakes.
By Matthew de Paula
Dec 31, 2013
Engines are complicated, and a lot can potentially go wrong during assembly--malfunctioning machines, faulty parts, and, of course, human error. But...
Website:
http://www.popularmechanics.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
RFID – Homeland Security – Medium
RFID technology transmits information across radio waves that have the capacity to identify, recognize, trace, track and monitor animate and inanimate objects. RFID is "a system that transmits the identity (in the form of a unique serial number) of an object or person wirelessly, using radio waves." RFID is part of the Automatic-ID family of technologies. RFID technology uses RFID tags and...
Website:
https://medium.com
RFID Gateways - Track goods on the move
News
RFID SYSTEMS: PORTALS
RFID Gateways and Portal applications keep track of goods on the move, locating them to sites or checking their movement around buildings. RFID readers, with appropriate antennas mounted at a doorway can record every tag that passes through it.
RFID at the Gateway
Checking goods shipment and movement of products through the manufacturing chain can all be helped by the...
Website:
http://www.corerfid.com
RFID Tracking System | Active and Passive Tags
Contact Us
RFID
Whether for fixed Asset Tracking , Inventory Management, Tool Tracking or Supply Room Management , with a wide range of capabilities, RF (radio frequency) tags are one more option for fixed asset tracking and inventory control applications. This type of asset tracking technology is more readily available than ever, with the market for RF identification (RFID) rapidly growing for...
Website:
gigatrak.com
rfid based hospital real time patient management system
Important..!About rfid based hospital real time patient management system is Not Asked Yet ? .. Please ASK FOR rfid based hospital real time patient management system BY CLICK HERE ....Our Team/forum members are ready to help you in free of cost...
Below is stripped version of available tagged cloud pages from web pages.....
Thank you...
Posted By: Guest
Created at: Monday 31st of December 2012...
Website:
http://getreport.in
Patented man overboard alert system Tadeo uses RFID bracelet
Patented man overboard alert system Tadeo uses RFID bracelet
Patented man overboard alert system Tadeo uses RFID bracelet
The Tadeo system automatically alerts the ship when a person wearing a radio frequency identification bracelet goes overboard RENDERING: Tadeo
Inventor Rafael Alicea is touting a patented system he hopes will save lives and the high costs of search and rescue operations by...
Date: 2019-04-11 00:08:16
Website:
http://www.seatrade-cruise.com
Related topics : security system using rfid / tracking system using rfid / radio frequency identification rfid systems / rfid door lock system cost / rfid card door lock system
Library Management System Use Case Diagram | FreeProjectz
Library Management System Use Case Diagram
Library Management System Use Case Diagram
July 24 2017
Comments: 0
Posted By freeproject on July 24, 2017
This Use Case Diagram is a graphic depiction of the interactions among the elements of Library Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Library Management...
Website:
https://www.freeprojectz.com
Related topics : rfid based library system project / rfid based library management project / rfid library management project / rfid library management system source code / rfid library management system project
RFID and Barcode Asset Management Systems
Foundation Logic Systems
Foundation Logic Systems A premier provider of RFID and barcode asset management systems and solutions.
Dedicated to delivering the most advanced innovation and technology for asset control and management to Hotels, Resorts, Casinos, Theme Parks, Hospitals, Laundries and other uniform and linen intensive industries.
Uniform Manager: Specifically designed to automate staff...
Date: 2017-12-15 05:25:04
Website:
http://www.prologicfirst.com
Related topics : rfid asset management system / rfid inventory management system / rfid for asset tracking and inventory management / rfid asset management solutions / rfid technology in asset management
RFID Power Tools Tracking, Track Tools, Tools Management ...
Metal Mount Tool Tracking RFID Tag
RFID Power Tools Tracking
William Frick & Company can provide tags and labels for your tools management system. With an automated computerized system to track tools, your company can maintain accurate inventory and maintenance records to reduce theft, reduce repair costs and optimize movement of tools within your facilities or in the field. Our tools tracking...
Website:
fricknet.com
Strategic Systems | Cost of RFID
Download PDF
How much does an RFID solution cost? The short answer: "It depends."
The cost of RFID is determined by several factors -- but without knowing the size and specific details of your environment, what you'll be tracking, or the type of system you need, it's impossible to provide even a close estimate of what your cost would be. At best, a Google search may turn up numbers on component...
Website:
sstid.com
A Novel Method for Modeling RFID Data - Open Access Library
Full-Text �� Cite this paper �� Add to My Lib
Abstract:
The applications of Radio Frequency Identification (RFID) and Electronic Product Code (EPC) in supply chain management have vast potential in improving effectiveness and efficiencies in solving supply chain problems. RFID data, however,...
Website:
http://www.oalib.com
Related topics : rfid applications in supply chain management / use of rfid in supply chain management / radio frequency identification rfid systems / rfid applications in supply chain / rfid supply chain management
TAGSYS Announces New Suite Of RFID Solutions For Library ...
TAGSYS, the leading provider of item-level RFID infrastructure, announced a new suite of library solutions designed to meet the requirements of librarians throughout the world. The new reader and security gate products are key elements of an end-to-end solution for library customers and channel partners, improving performance and enabling customizable, cost-efficient systems that are easier to...
Website:
https://www.varinsights.com
Related topics : rfid security system for library / library rfid system price / cost of rfid system in library / tagsys library rfid / rfid library solutions
RFID Solutions & Applications - GAO RFID Asset Tracking
RFID Solutions & Applications
RFID for Healthcare
Hospitals and the medical care industry in general are adopting asset tracking technology to track equipment, to track patients including baby tracking, to track staff, and to ensure patient's receive the correct medicines and care - all in an effort to reduce expenses and save patient's lives. RFID technology is key in increasing these...
Website:
http://gaorfidassettracking.com
TAGSYS Announces New Suite Of RFID Solutions For Library ...
TAGSYS Announces New Suite Of RFID Solutions For Library Market
TAGSYS, the leading provider of item-level RFID infrastructure, announced a new suite of library solutions designed to meet the requirements of librarians throughout the world. The new reader and security gate products are key elements of an end-to-end solution for library customers and channel partners, improving performance and...
Website:
https://www.bsminfo.com
Related topics : rfid security system for library / rfid library solutions / tagsys library rfid / library rfid system price / cost of rfid system in library
Information Management Technologies - The Complete Data ...
Information Management Technologies, Inc. provides consulting services for all aspects of your Company's data collection system. We offer you expert advice and cost comparisons to make sure that you're getting the best possible solution, covering all of your business needs.
As your complete solution provider, Information Management Technologies, Inc. provides you with the top Barcode & RFID...
Date: 2018-01-12 12:24:29
Website:
http://www.informt.com
FIXpoint - Active/passive RFID reader, WiFi, PoE, USB ...
FIXpoint Michael Fokin 2016-11-21T11:28:32+00:00
Ultimate IoT Reader
Download Infosheet
Asset Tracking With RFID
The FIXpoint 3G/4G RFID Reader is an incredibly powerful 2 port passive UHF RFID reader that provides users with the option to expand up to 16 ports.
Based on an integrated MediaTek Processor that runs at 580MHz, it allows for fast data processing and executes multiple tasks almost...
Website:
http://www.fleet-metrix.com
(PDF) THE RFID TECHNOLOGY AND ITS APPLICATIONS: A REVIEW
RFID technology has received more and more attention in many areas like manufacturing
companies, agriculture, hospitality [8], industries, parking management [9] and transportation [10]
sectors. Major applications of RFID are given below:
Healthcare Applications
RFID applications in healthcare [6] could save important resources that can further contribute to
better patient care....
Date: 2018-07-31 22:01:22
Website:
https://www.researchgate.net
Savi and Intermec launch an enhanced active RFID reader ...
Savi Technology and Intermec Technologies Corporation, two leading providers of real-time supply chain solutions for the U.S. Department of Defense (DoD), today introduced a new active RFID reader system designed specifically to read bar codes and active radio frequency identification (RFID) tags. The lightweight, highly functional RFID reader system enhances the ability of DoD logistics...
Website:
http://www.logisticsit.com
XR400 RFID Fixed Reader - RACO Industries
Symbol XR400 RFID Fixed Reader
Integrate flexible, enterprise-class data capture into your organizations mobility strategy
Let the XR400 help improve your asset- and product-tracking efficiencies with automated radio frequency identification (RFID) tag processing. The Symbol XR400 is Generation (Gen) 2 certified by EPCglobal for full Gen 2 dense-reader mode support, providing reliable read rates...
Website:
https://shop.racoindustries.com
GPS Vehicle Tracker, Biometric Attendance System, Security ...
Vehicle Tracking System- 24x7 live real time location tracking of your vehicles, assets, people with full reports and auto alerts
Biometric Attendance System
BioTime significantly reduces time and attendance costs, supports easy schedule creation and auto alerts
Security Camera
With the number of robberies and thefts ever increasing, it is necessary for business owners to...
Date: 2016-03-05 03:42:58
Website:
http://timepad.in
Related topics : rfid card attendance system / rfid based vehicle tracking system / rfid vehicle tracking system / gps rfid asset tracking system / rfid based asset tracking system
RFIDGS Awarded Contract From Boeing For NASA RFID Deployment
ELDERSBURG, Md. & LAKELAND, Fla.--(BUSINESS WIRE)--RFID Global Solution has been awarded a contract from The Boeing Company (NYSE: BA) to complete the second phase expansion of a real-time location system at NASA's Kennedy Space Center (KSC) in Florida.
This expansion follows a successful deployment of the initial real-time RFID location tracking solution earlier this year. This second phase...
Website:
http://www.govcon.com
Related topics : active rfid tag in real time location system / rfid global solutions eldersburg md / asset tracking solutions using rfid / rfid based asset tracking solution / rfid global solutions
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...
Website:
https://www.hongkongairport.com
RFID Vehicle Tracking Systems, Devices And Technology ...
Condition Monitoring
Ramp's RFID Vehicle Tracking Solutions provide accurate, scalable and extremely reliable identification to seamlessly manage and control the movement of vehicles.�
RFID tags are mounted on vehicles and fixed RFID infrastructure is placed at strategic locations such as entry/ exit gates, weigh-bridges, parking lots and equipment. This allows completely automated wireless...
Website:
ramprfid.com
Related topics : vehicle tracking rfid technology / rfid vehicle tracking system / rfid for tracking vehicles / rfid tracking software solutions / rfid tag tracking system
simple.RFID - Rfid Inventory Tracking System
Automate Your Business With Simple RFID
Our customers have seen increases in revenues of up to 40%
Inventory Management
Save 100's of Hours on Inventory Audits
Simple RFID's hardware allows you to read every item...
Website:
simplerfid.com
Related topics : rfid inventory tracking systems / rfid inventory tracking tags / rfid tag inventory system / rfid inventory tracking software / rfid inventory tracking
How Is Today's RFID Being Used? - Field Technologies Online
How Is Today's RFID Being Used?
Source: Field Technologies Magazine
Industry experts discuss trends in RFID (radio frequency identification) and some of the more unique applications of the technology.
Integrated Solutions, December 2008
Written by: Sarah Howland
A few years ago, people usually thought of RFID only in the supply chain sense -- such as in a Wal Mart-type application. But today,...
Website:
fieldtechnologiesonline.com
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
MineAx RFID reader - Tunnel Radio
Productos
Introducing the new MSHA-Approved MultiHop Mesh adaptation for MineAx RFID Tracking System. This new feature makes it possible to have a completely wireless deployment of personnel and asset tracking where you need it most.
Any MineAx tracking RFID reader can be configured to form a...
Website:
http://www.tunnelradio.com
Related topics : rfid reader for asset tracking / asset tracking system using rfid / rfid asset tracking system / tracking system using rfid / rfid tracking system
RFID Motorola Solutions Real Time Tracking ... - radio1inc.com
Motorola's RFID solutions enable you to advance your business to a new level of efficiency by providing greater visibility into your inventory as it moves across the supply chain. With real-time tracking information, you'll always know where your critical business assets are.
RFID Readers
From the warehouse and loading dock to indoor customer-facing and carpeted environments, a mobile, handheld or fixed RFID reader can help you achieve maximum visibility into your enterprise assets. You can automatically identify, track and store inventory with RFID tags, and our RFID readers allow you to always be in control of your...
Website:
http://www.radio1inc.com
Turning RFID Data into Information : Page 2 - DevX.com
Understanding the tasks and challenges in converting raw RFID data into valuable actionable information is the first step in choosing a solution that provides the flexibility to get your RFID system off on the right foot.
by Matt Teskey
Page 2 of 4
Custom Tag Data Requires Flexible Decoding
The examples above for supply chain and animal tracking showcased two different tag standards, emphasizing...
Website:
http://www.devx.com
Related topics : rfid tag data format / rfid asset tagging system / rfid tag tracking system / companies that use rfid tags / rfid tagging system advantages
RFID for Healthcare,Hospital,Medical - RFID Asset Tracking ...
RFID Solutions & Applications
RFID for Healthcare
Hospitals and the medical care industry in general are adopting asset tracking technology to track equipment, to track patients including baby tracking, to track staff, and to ensure patient's receive the correct medicines and care - all in an effort to reduce expenses and save patient's lives. RFID technology is key in increasing these...
Website:
http://www.gaorfidassettracking.com
Related topics : rfid active reader passive tag / active rfid tag and reader / active rfid tag applications / difference between active rfid tag and passive rfid tag / active rfid tag uses
Laconic Student Guard RFID with Automated SMS, Student ...
Laconic Student Guard Attendance Management System enables tracking Student using RFID based student attendance system. More and more schools are turning to Laconic Student Guard to install this system in school.
parent can be informed, by sending message that their kids have safely arrived or left school gates.�
Arriving:�Each student wears a tag with unique ID . When he enter the gate, reader nearby detect tag ID immediately and upload information to system to inform his/her parents via SMS or email.�
Leaving:�When student leave school, the reader nearby detect tag ID...
Date: 2017-06-10 12:33:15
Website:
http://laconictechnology.com
Related topics : rfid smart card based school student attendance system / rfid card attendance system / rfid reader attendance system / rfid tracking system for schools / tracking system using rfid
CoE Asset Management System Using RFID Technology
CoE Asset Management System Using RFID Technology
Objective of Research:
The project aims to develop system whereby one is able to walk into a room and quickly and accurately determine the RFID (Radio Frequency Identification) tagged CoE (Centre of Excellence) assets that are contained in it.
Research will also be conducted into performance and practical applications of the system. ...
Date: 2004-08-22 13:50:54
Website:
http://www.cs.ru.ac.za
RFID Inventory Management & Tracking System | eTurns
Solutions
eTurns TrackStock RFID
TrackStock RFID is cloud-based software that provides organizations with real-time visibility into remote stockroom inventories and then automate replenishment. By placing an RFID inventory tag on consigned or customer-owned...
Website:
eturns.com
Related topics : rfid based inventory tracking system / rfid inventory tracking systems / rfid inventory tracking tags / rfid inventory management system / rfid inventory tracking software
Savi and Intermec launch enhanced active RFID reader ...
Savi Technology and Intermec Technologies Corporation, two providers of real-time supply chain solutions for the US Department of Defense (DoD), recently introduced a new active RFID reader system designed specifically to read bar codes and active radio frequency identification (RFID) tags. The lightweight, highly functional RFID reader system enhances the ability of DoD logistics personnel to...
Date: 2018-01-12 07:39:47
Website:
https://www.ajot.com
KoreaMed Synapse
Abstract
Objective
The location services has been an important research area in the U-Healthcare. The location services in medical environment can be implemented by Radio Frequency Identification (RFID), and Received Signal Strength Indication (RSSI) which is the location tracking method by RFID. In this study, we was designed the Patient Location Monitoring System based on RFID using RSSI method.
Methods
The RSSI method is a distance measurement method from reference points to object using the Friis's Principle and the...
Website:
https://synapse.koreamed.org
Related topics : radio frequency identification patient tracking system / patient tracking system using rfid / rfid patient tracking system / radio frequency identification rfid systems / radio frequency identification (rfid)
List of RFID Based Projects for ECE, EEE, EIE - Ingens Tech
RFID Based Projects ingenste 2014-10-25T10:14:30+00:00
×
Please Note : Following projects are a few examples from the many projects we offer. These projects are listed here to showcase some of the possibilities with the respective Technology.
Automated Rationing For Public Distribution Systems Using RFID
The ration shop system or the public distribution system in India is one of the biggest...
Date: 2017-02-28 02:55:06
Website:
http://www.ingenstech.com
Related topics : rfid based projects list / rfid based projects 2014 / rfid based projects reports / rfid based vehicle tracking system / rfid based projects
Library Book Tracking - rfid.thingmagic.com
Library Book Tracking
My guess is that Melville Louis Kossuth Dewey wouldn't be too upset with advancements of today's library systems. Dewey was a pioneering influence in the development of libraries in America at the beginning of the 20th century. And yes, he is best known for the classification system that is used in most public and school libraries - know as the Dewey Decimal System.
But the...
Website:
http://rfid.thingmagic.com
Related topics : library book rfid tag / rfid library system technology / rfid technology used in library / cost of rfid system in library / rfid system in library
GPS Container Tracking - GPS Tracking devices, long ...
GPS Container Tracking NFC Group 2015-07-22T14:43:00+00:00
Container Tracking Solutions ��
RFID GPS Container Tracking System
Container Tracking �System - Summary
There are more than�seventeen�million shipping containers scattered around�the�world's�oceans�at�any given�point in�time. The loss of these containers and a lack of asset visibility whilst at sea can have a...
Website:
tracks360.com
Related topics : rfid gps container tracking / rfid based container tracking system / gps rfid asset tracking system / rfid tags gps tracking system / gps rfid tracking system
Complete Guide to RFID: Benefits, Applications, and ...
RFID (radio frequency identification) is a cutting-edge technology that has made this a reality. So, let's see what RFID is?
What Is RFID?
RFID stands for "radio frequency identification." It's a technology that captures digital data encoded in smart labels and RFID tags through a reader via radio waves.
RFID serves a similar purpose to that of a bar code or a magnetic strip of an ATM card where...
Website:
https://dzone.com
GPS Tracking | RFID Technology | BLE Beacon | Singapore ...
Some of our Esteemed Clients
�
JA Security and Innovations
JA Security is an innovative company based in Singapore and Malaysia , with a focus on real-time monitoring solutions. We provide a wide range of solutions, particularly GPS, RFID and Bluetooth Beacon Tracking for vehicles, shipping containers, assets and people as well as customised Machine Monitoring and Software�Solutions. Our...
Website:
ja-si.com
Turning RFID Data into Information - DevX.com
Turning RFID Data into Information
Understanding the tasks and challenges in converting raw RFID data into valuable actionable information is the first step in choosing a solution that provides the flexibility to get your RFID system off on the right foot.
by Matt Teskey
Aug 24, 2006
Page 1 of 4
hen designing an RFID system, you should first understand and consider two key aspects of turning...
Website:
http://www.devx.com
Related topics : rfid tag data format / epc rfid tag standard / rfid tag number format / rfid tags future uses / companies that use rfid tags
RF-ITV Tracking Portal Login
Notifications
Attn: Commercial Email Account Users
The AMIS Service Desk (ASD) may experience latency issues with receiving email messages sent from commercial email accounts (email messages sent to the ASD from any .mil account are not affected). All email account users should send messages to the ASD via the following new ASD email address:
usarmy.belvoir.peo-eis.mbx.amis-service-desk@mail.mil
Alternatively, please call the ASD at 800-877-7925 for assistance (24x7x365 days per year).
Did You Know?
The RF-ITV system combines data from the fielded RFID devices and the...
Website:
https://national.rfitv.army.mil
Related topics : radio frequency identification device rfid technology / radio frequency identification device rfid / radio frequency identification tracking system / radio frequency identification rfid systems / radio frequency tracking device
RFID Technology Tags Readers And Software |authorSTREAM
RFID Technology: Tags Readers and Software
slide 2:
RFID Technology: Tags Readers and Software FID which is the short form of radio frequency identity is a DSRC or dedicated short range communication technology. In fact RFID refers to several technologies wherein radio waves are used to automatically identify objects or people. The technological concept of RFID is akin to barcode systems of...
Website:
http://www.authorstream.com
Related topics : difference between passive and active rfid tags technology / rfid tag reader software / rfid active reader passive tag / rfid tag reader system / rfid active tag technology