Selected articles for topic: active rfid location tracking
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RFID Asset Tracking | Asset Protection
- Asset Protection & Asset Tracking Inventory -
Inventory Tracking
The first thing most people think of when you say RFID is inventory management, and for good reason. EPC Gen 2 UHF RFID was invented for this purpose and excels at it, turning months of manual warehouse inventory checks into a few hours if done with hand held readers. Fixed installations can completely removing the need for...
Website:
skyrfid.com
RFID Technology Protects Businesses Against Theft | Point ...
RFID Technology Protects Businesses Against Theft
October 10, 2012
Tweet
Preventing employee theft, especially of electronic equipment and sensitive files, is an ongoing issue for most companies. Management is increasingly choosing RFID�(Radio Frequency Identification) as a solution to this perennial problem. The retail arena, as well, is incorporating this technology as a more robust solution...
Date: 2018-01-12 09:17:05
Website:
https://pointofsale.com
Technology Partners - West-Com Nurse Call Systems, Inc.
Technology Partners
CenTrak
CenTrak is the leading provider of the most accurate, versatile, and cost-effective indoor location platform for healthcare. Our patented technology delivers unmatched location accuracy and update speed, with extreme battery life -- a requirement for automating clinical workflow and many important healthcare applications. The CenTrak Real-Time Location System is in use...
Website:
http://www.westcall.com
Related topics : radio frequency identification (rfid) asset tracking system / radio frequency identification rfid systems / radio frequency identification technology (rfid) / radio frequency identification technology rfid / advanced rfid systems security and applications
Guard RFID Solutions Inc., selected by Rocket Builders as ...
Guard RFID Solutions Inc., selected by Rocket Builders as "Ready to Rocket"
Wednesday, January 13, 2010
�Guard RFID Solutions Inc. is pleased to announce that it has been selected as one of twenty-five B.C. companies "Ready to Rocket". The list is compiled annually by Rocket Builders, a respected management consulting firm servicing the technology industry.
Ready to Rocket is a unique business...
Website:
guardrfid.com
RFID tags on honey bees reveal hive dynamics
Scientists attached radio-frequency identification (RFID) tags to hundreds of individual honey bees and tracked them for several weeks. The effort yielded two discoveries: Some foraging bees are much busier than others; and if those busy bees disappear, others will take their place.
The findings are reported in Animal Behaviour.
Tagging the bees revealed that about 20% of the foraging bees in a...
Date: 2017-03-04 00:50:21
Website:
rdmag.com
Related topics : radio frequency id tags on honey bees reveal hive dynamics / radio frequency identification tags (rfid) / rfid radio frequency identification tags / active rfid tag frequency / rfid tag animal tracking
RFID tags on honey bees reveal hive dynamics
Scientists attached radio-frequency identification (RFID) tags to hundreds of individual honey bees and tracked them for several weeks. The effort yielded two discoveries: Some foraging bees are much busier than others; and if those busy bees disappear, others will take their place.
The findings are reported in Animal Behaviour.
Tagging the bees revealed that about 20% of the foraging bees in a...
Website:
rdmag.com
Related topics : radio frequency id tags on honey bees reveal hive dynamics / radio frequency identification tags (rfid) / rfid radio frequency identification tags / active rfid tag frequency / rfid tag animal tracking
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
CATCH THE BUZZ: Some Bees Are Busy, Some Aren't | Bee Culture
Radio frequency ID tags on honey bees reveal hive dynamics
CHAMPAIGN, Ill. -- Scientists attached radio-frequency identification (RFID) tags to hundreds of individual honey bees and tracked them for several weeks. The effort yielded two discoveries: Some foraging bees are much busier than others; and if those busy bees disappear, others will take their place.
The findings are reported in the...
Website:
http://www.beeculture.com
Related topics : radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification tags / radio frequency identification (rfid) / radio frequency id tags
RFID Services | Triptych Solutions
RFID (Radio-Frequency Identification) is the most robust and cost-effective technology available for managing or tracking. This technology is transforming many industries by offering real-time visibility into inventory and product movement thus helping to improve productivity and loss prevention. An RFID tag serves the same purpose as a barcode; providing a unique identifier for that object. Yet...
Website:
http://triptychglobal.com
OGTech | RFID Solutions
about us
OGTech
An affiliate of the acclaimed Osman Group, is a systems integration company specializing in providing RFID solutions and security systems. We played a significant role in introducing the latest technology to the Middle East and North Africa (MENA) region, with a special emphasis on Egypt and Gulf area.
Our Skills
OGTech offers customizable RFID solutions and security systems,...
Website:
http://www.ogtech.com
RFID - RF Stock Management Controller - Proteus Software
» RFID - RF Stock Management Controller
RFID - RF Stock Management Controller
RF Stock Management - RFID Controller
The Proteus RFID Stock Management Controller provides the ability to record the unique details of each stock item that has an RFID Tag/Label. The tags are read by the RFID Reader to record the location and movement of stock into, around and out of the warehouse providing complete...
Website:
http://www.proteussoftware.com
RFID Portal - Gateway RFID Store
menu
RFID Portal
RFID portals are designed for entrances, gates, doors, and hallways where a RFID reader is needed. The portal can actually scan RFID tags as they move into and out of an entrance. This is especially important in areas where tagged items are either entering or being removed from an area and need to be catalogued quickly.
How RFID Portals Work
RFID portals work similarly to other RFID technology. Like other readers, they have a transceiver and an antenna. The transceiver generates a weak radio signal that has a range of a few feet. This then activates a RFID tag...
Website:
https://gatewayrfidstore.com
Related topics : rfid portal reader / rfid portal design / rfid portal gate / rfid portal antenna / portal rfid
Autosweep RFID: How (Where) to Buy, Reload & Re-Activation ...
3
Radio-frequency identification (RFID) is a revolutionary technology that is being used in identification purposes, purchases and more. It uses electromagnetic fields to automatically identify and track tags attached to objects. The tags contain electronically stored information. Passive tags collect energy from a nearby RFID reader's interrogating radio waves.
According to news from BPI...
Website:
https://purlp.org
Los Angeles County Beekeepers - Home - Radio Frequency ID ...
Wednesday, July 23, 2014 at 6:37AM
�This message brought to us by CATCH THE BUZZ: Kim Flottum � �July 22, 2014
CHAMPAIGN, Ill. -- Scientists attached radio-frequency identification (RFID) tags to hundreds of individual honey bees and tracked them for several weeks. The effort yielded two discoveries: Some foraging bees are much busier than others; and if those busy bees disappear, others...
Website:
http://www.losangelescountybeekeepers.com
Related topics : radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification (rfid) / radio frequency identification tags / active rfid tag frequency
Radio Frequency ID Tags On Honey Bees Reveal Hive Dynamics
Scientists attached radio-frequency identification (RFID) tags to hundreds of individual honey bees and tracked them for several weeks. The effort yielded two discoveries: Some foraging bees are much busier than others; and if those busy bees disappear, others will take their place.
The findings are reported in the journal Animal Behaviour.
Tagging the bees revealed that about 20 percent of the...
Website:
rfglobalnet.com
Related topics : radio frequency id tags on honey bees reveal hive dynamics / radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification tags / radio frequency identification (rfid)
Uconnect : Ubiquitous Connect, Wireless to serial, Active ...
SCADA
etc..
The active RFID tag and reader are built in the unique ID and provide the RSSI or LQI
value to supports the real time location system applications. The low power consumption
tag will support the long working time and built in the sensors which will various of
applications.
Location or tracking...
Date: 1970-01-01 00:24:02
Website:
http://www.uconnect.com.tw
Related topics : active rfid tag in real time location system / active rfid tag and reader / active rfid tag reader / active rfid tags locator / active rfid tag applications
Global Control through the RFID Chip - Michael Journal
Global Control through the RFID Chip
Written by Yves Jacques on Wednesday, 30 September 2009. Posted in Microchips
Total Surveillance and a Cashless Society
These current economic and social crises are leading to a global, financial "melt down" that the powerful global elite are using in order to establish a Global Financial Economic System. This will give centralized power to the United...
Website:
michaeljournal.org
Global Control through the RFID Chip - michaeljournal.org
Global Control through the RFID Chip
Written by Yves Jacques on Thursday, 01 October 2009. Posted in Microchips
Total Surveillance and a Cashless Society
These current economic and social crises are leading to a global, financial "melt down" that the powerful global elite are using in order to establish a Global Financial Economic System. This will give centralized power to the United Nation's...
Date: 2017-03-04 00:40:44
Website:
michaeljournal.org
Related topics : rfid radio frequency identification chip implanted in all us citizens / radio frequency identification (rfid) chip / radio frequency identification rfid chip / implant rfid chip technology / radio frequency identification device rfid technology
RFID Starter Kit for Indigo Domotics - iAutomate.com
RFID Starter Kit for Indigo Domotics Product Description and Specifications
Great way to start with RFID if you own Indigo Software from Perceptive Automation - Unlimited Possibilities
Already Own Indigo 6.x or later ? Powered by Wavetrend,This RFID Starter kit inludes virtually everything you need to get started with RFID and automation whether it is in your home or business if you already own...
Website:
iautomate.com
AeroScout iTAG100 Intrinsically Safe Wi-Fi RFID Tag ...
The tag is enabled with chokepoint detection technology, which provides an instant notification when an individual passes a defined area. The tag can be attached to an with Velcro, adhesives and tie-wraps and is suitable in a wide variety of industries in any envrionment
Company
iTAG100 Intrinsically Safe Wi-Fi RFID Tag
Product Release
iTAG100 Intrinsically Safe Wi-Fi RFID Tag...
Website:
https://www.vandrico.com
Related topics : active rfid tag in real time location system / enable aeroscout rfid tag detection / rfid tags industrial applications / aeroscout rfid tag detection / active rfid tag applications
Temperature Recorders | Temp Data Logger, Cold Chain ...
Dry ice shipments present a unique set of challenges especially when maintaining temperature control is a critical factor. The TrekView for Dry Ice delivers a solution ... view more
FAQs
TrekView
Are the TrekView recorders programmable?
Yes. The TrekView can be sent to a customer with a pre-programmed configuration or sent to a customer ready for configuring by the customer.
How do I know if...
Website:
http://shockwatch.com
Related topics : rfid active reader passive tag / difference between passive and active rfid tags technology / difference between active rfid tag and passive rfid tag / difference between active and passive rfid tags / difference between active rfid and passive rfid
RFID Vehicle Tracking, RFID in UAE. - CCTV Solutions
Next
RFID BENEFITS
By automating data collection and reporting, RFID greatly reduces human effort and error while increasing information accuracy. School Board Members: Receive high-value information more quickly to enable district-level decision making and planning. Superintendents: Gain real-time district visibility and create custom, information-rich reports for advanced planning. Principals:...
Website:
http://vivencyglobal.com
Related topics : rfid based asset tracking software / gps rfid asset tracking / rfid based asset tracking solution / asset tracking solutions using rfid / rfid asset tracking software
Are There Concerns About How RFID Will Be Used? (Update)
Are There Concerns About How RFID Will Be Used? (Update)
Civil liberties groups (among others) have become increasingly concerned about the use of RFIDs to track the movements of individuals. For example, passports will soon be required to contain some sort of RFID device to speed border crossings. Scanners placed throughout an airport, for example, could track the location of every passport over...
Website:
http://www.technovelgy.com
Related topics : active rfid tag uses / rfid tags uses / rfid tag information / rfid tag location tracking / rfid tag scanner
RFID Transponder Coils (TR4308I) - Token Components
Note: Test Freq.: 125KHz / 0.25V.
Operating Temp.: -40°C+85°C.
RFID, Radio Frequency Identification System and Applications
Figure 1. RFID System
RFID, Radio Frequency Identification, is the system of using radio signals to send information identifying a particular item. The most common application of RFID is to track and locate any subject including material, or moving item.
The RFID coil is...
Date: 2017-07-21 09:30:09
Website:
http://www.token.com.tw
Automotive & Transportation | CribMaster
Automotive and transportation companies require greater speed and efficiency to remain competitive in today's global market. Accurate, fact-based intelligence is required for successful prediction modeling and inventory planning to avoid costly delays and downtime. In addition, cutting-edge systems and lean manufacturing principles must be implemented throughout the entire workflow to reduce...
Date: 2017-03-03 23:32:01
Website:
cribmaster.com
Related topics : rfid tool tracking solutions / rfid inventory management solutions / rfid tags tool tracking / rfid tool tracking software / rfid inventory management system cost
AeroScout EX3210 LF Exciter for Active RFID Tags - Extronics
iSCAN301 1D and 2D fixed reader
EX3210 Tag Exciter
The EX3210 is an LF RFID tag exciter that plays a key role in AeroScout RTLS deployments, used to establish when assets and personnel are in the immediate vicinity of the exciter for use cases such as�emergency mustering.
Real-time chokepoint detection for enhanced location and identification of assets and personnel
Trigger events and...
Website:
http://www.extronics.com
RFID Types - Wide RFID range of capability and cost choices
Types of RFID
There are several RFID technology types available, each offering different capabilities.
CoreRFID's expertise means that we are best placed to help you select the most relevant RFID types for your business.
We are happy to discuss your requirements with you ( just contact us ), but the table below gives an overview of the main alternative RFID types.
LF & HF Passive RFID
Low...
Website:
http://www.corerfid.com
Sensor and Reader Hardware | Savi
Setting the Standard
Proven, Active RFID Solutions
Savi offers a comprehensive set of tags and readers that protect and track your critical assets. As a pioneer in the development of active RFID technology, Savi's hardware has been battle-tested in the harshest, most demanding conditions. Further, Savi has a "tag agnostic" approach to supply chain analytics, so we partner with third-party vendors...
Website:
savi.com
Related topics : savi active rfid tags / rfid active reader passive tag / rfid reader mobile device / savi rfid tag / active rfid tag and reader
RFID solutions company | Silent Partner Technologies
Silent Partner Technologies' IntelliView asset & inventory management system by eliminating lengthy asset and inventory counting procedures and reducing your inventory overhead ...
Read more »
Landscaping Solution
Use IntelliVan and IntelliView to keep track of your portable landscaping equipment. From mowers to shovels, our RFID based asset and inventory management system will help you reduce...
Website:
silentpartnertech.com
RFID solutions company | Silent Partner Technologies
Silent Partner Technologies' IntelliView asset & inventory management system by eliminating lengthy asset and inventory counting procedures and reducing your inventory overhead ...
Read more »
Landscaping Solution
Use IntelliVan and IntelliView to keep track of your portable landscaping equipment. From mowers to shovels, our RFID based asset and inventory management system will help you reduce...
Website:
silentpartnertech.com
The benefits of RFID technology | Manufacturing ...
Radio Frequency Identification (RFID) technology has been in existence for many decades but it is only now that RFID is being increasingly used in many different applications - and the list is growing.
Quite simply, RFID is a technology that uses tags to receive and transmit radio signals to readers/interrogators that pick up the signal. The tags contain antennas to enable them to receive and...
Website:
http://www.logisticsit.com
RFID, container tracking, freight container tracking ...
Types of information that can be stored :
present location and next four destinations with arrival departure dates,
contents of the container
work orders, route of travel,
reports, history, notes etc
Technological superiority
barcode system fails if the image recognition field is minutely altered, may be due to scratching,...
Date: 2014-05-19 19:25:54
Website:
dassnagar.com
Related topics : rfid based container tracking system / rfid tag reader system / rfid tag and reader communication / radio frequency identification (rfid) asset tracking system / radio frequency identification tags (rfid)
RFID | ASAP Identification | Photo ID Cards Badges ...
Let ASAP Identification help you with RFID options offered by HID Global.
Contactless RFID technology is adding speed, accuracy, efficiency and security to an ever-expanding range of applications. HID Global offers the most diverse and flexible line of tags and transponders, backed with over two decades of RFID
development and manufacturing�expertise. Innovative engineering, patented processes...
Website:
http://www.asapident.com
Radio frequency ID tags on honey bees reveal hive dynamics ...
July 23, 2014
Radio frequency ID tags on honey bees reveal hive dynamics
CHAMPAIGN, Ill. -- Scientists attached radio-frequency identification (RFID) tags to hundreds of individual honey bees and tracked them for several weeks. The effort yielded two discoveries: Some foraging bees are much busier than others; and if those busy bees disappear, others will take their place.
The findings are...
Website:
http://www.beeculture.com
Related topics : radio frequency id tags on honey bees reveal hive dynamics / radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification tags / radio frequency id tags
RFID Project Ideas For Engineers | Full Circuits With ...
GET A FREE PASS TO IOTSHOW AND INDIA ELECTRONICS WEEK
Radio-Frequency Identification (RFID) is a technology that uses radio-frequency electromagnetic fields to transfer information from a tag to RFID reader for identification purposes. The tags do not require battery power. They derive power from the electromagnetic field generated from the reader. Some tags are also available which have their...
Website:
electronicsforu.com
RFID Project Ideas For Engineers | Full Circuits With ...
tweet
Radio-Frequency Identification (RFID) is a technology that uses radio-frequency electromagnetic fields to transfer information from a tag to RFID reader for identification purposes. The tags do not require battery power. They derive power from the electromagnetic field generated from the reader. Some tags are also available which have their own power source. When it comes to RFID project...
Website:
electronicsforu.com
Hitachi Develops World’s Smallest RFID Chip
The Japanese giant Hitachi has developed the world's smallest and thinnest Radio Frequency Identification (RFID) chip. Measuring only 0.15 x 0.15 millimeters in size and 7.5 micrometers thick, the wireless chip is a smaller version of the previous record holder - Hitachi's 0.4 x 0.4 mm "Micro-Chip". The company used semiconductor miniaturization and electron beam technology to write data on the...
Date: 2017-03-03 12:15:06
Website:
thefutureofthings.com
Related topics : rfid chip information technology / rfid chip timing technology / implant rfid chip technology / radio frequency identification (rfid) chip / radio frequency identification rfid chip
Hitachi Develops World's Smallest RFID Chip - TFOT
The Japanese giant Hitachi has developed the world's smallest and thinnest Radio Frequency Identification (RFID) chip. Measuring only 0.15 x 0.15 millimeters in size and 7.5 micrometers thick, the wireless chip is a smaller version of the previous record holder - Hitachi's 0.4 x 0.4 mm "Micro-Chip". The company used semiconductor miniaturization and electron beam technology to write data on the...
Website:
thefutureofthings.com
SAG RFID Tags, Labels, Encoded RFID, Tracking Labels ...
SAG RFID Tags
Spring Wristband Tag
SAG tries to answer the demand of wristband tag in every possible territory from swimming pool to sauna.SAG's new Spring Wristband can perfectly fit every user's hand by the help of the elastic and spiral cord as its watch band. The watch head is made of injected silicone which makes the chip inside waterproof. With Mifare S50 and the new SONY RC-S965 chip, such...
Date: 2015-03-24 23:14:43
Website:
http://www.fastrfid.com
Which RFID Frequency is Right for Your Application?
Which RFID Frequency is Right for Your Application?
October 29, 2012
By Shain Armstrong 31 Comments
LF, HF, and UHF
Similar to how a radio must be tuned to different frequencies to hear different channels, RFID tags and readers have to be tuned to the same frequency in order to communicate. There are several different frequencies an RFID system can use. Generally, the most common are
Low...
Website:
blog.atlasrfidstore.com
Related topics : uhf rfid tag antenna design for on body applications / passive uhf rfid tag range / uhf rfid tag antenna mounted on metallic objects / 433 mhz ultra high frequency active rfid tags / uhf rfid tags frequency
RFID - Management & Business Systems Consultants
MCP carried out the first UK installation of 3M's Radio Frequency Identification file tracking system for Walsall Healthcare NHS Trust in the West Midlands.
Some ninety tracking pads have been installed around the site which enables all patient records to be checked in to these locations, updating a database in real time with the current whereabouts of each file.
A process of tagging only those...
Website:
https://www.mcp.co.uk
DominateRFID Vehicle Tracking System
DominateRFID is proud to present its Vehicle Tracking System, which is installed to enable companies to track their vehicle's location. Our system helps in identifying a particular Vehicle during in-and-out and locating the movement of vehicles in specified path, as we as giving out Alerts and Alarms accordingly.
DominateRFID's fully automated Vehicle Tracking System delivers the flexibility, scalability and responsiveness that today's organizations need. We provide...
Website:
http://dominaterfid.com
Related topics : rfid vehicle tracking system / active rfid vehicle tracking / rfid for tracking vehicles / passive rfid tracking system / active rfid tracking system
Which RFID Frequency is Right for Your Application?
Which RFID Frequency is Right for Your Application?
October 29, 2012
By Shain Armstrong 37 Comments
LF, HF, and UHF
Similar to how a radio must be tuned to different frequencies to hear different channels, RFID tags and readers have to be tuned to the same frequency in order to communicate. There are several different frequencies an RFID system can use. Generally, the most common are
Low...
Website:
blog.atlasrfidstore.com
Application of RFID technology in the manufacturing ...
The use of RFID technology in the manufacturing process can bring many benefits and potential cost savings. RFID technology has been more rapidly accepted in the manufacturing process because the RFID technology can be a reusable product when the RFID tags are embedded into fixtures used in the manufacturing process.
By Mark Waggoner, Kim Automation Inc.
04/15/2008
Share
The use of RFID...
Website:
https://www.controleng.com
Alien Technology® Introduces Intelligent Tag Radar ...
News | June 24, 2008
Alien Technology® Introduces Intelligent Tag Radar[TM] Software To Enable New Applications For RFID
Alien Technology, a leader in Radio Frequency Identification (RFID) Ultra High Frequency (UHF) products and services, recently announced the availability of its new Intelligent Tag Radar[TM] (ITR) software developed for the ALR-9900, ALR-9800 and ALR-8800 Enterprise-Class...
Website:
https://www.datacollectiononline.com
UK's Best Asset Management Software | 174 Options. Save up ...
Here's what you will get
Customised Shortlist
Customised shortlist of asset management software that meets your requirements.
Industry Case Studies
We'll find relevant case studies matching your industry.
See Product Images and Demo
You will see video demonstration or overviews of the software that are tailored to your needs.
Implementation Timescales
You can compare different software based ...
Date: 2019-04-09 11:57:30
Website:
https://comparesoft.com
rfid technology and applications | Download eBook pdf ...
Click Download or Read Online button to get rfid technology and applications book now. This site is like a library, Use search box in the widget to get ebook that you want.
Author by : Stephen B. Miles
Language : en
Publisher by : Cambridge University Press
Format Available : PDF, ePub, Mobi
Total Read : 48
Total Download : 449
File Size : 45,6 Mb
Description : Are you an engineer or manager...
Website:
http://www.e-bookdownload.net
Types of Inventory Management Systems | Chron.com
Types of Inventory Management Systems
by Kenneth Hamlett
The inventory management system a company chooses depends on various factors.
Depot image by Czintos Ã-dön from Fotolia.com
Related Articles
4 [Track Inventory] | How to Use Technology to Track Inventory
Properly managing inventory requires a system of some sort. It doesn't matter if the system consists of writing inventory levels on...
Website:
http://smallbusiness.chron.com
RFID, Sensors and the Internet of Things - IOT Journal
The use of a wide variety of terms to describe RFID technologies--and the lack of precision among those terms--confuses companies seeking solutions to their business problems.
By Mark Roberti
PDF Email Print Definitions Save Article
There are active RFID tags with on-board sensors that can detect humidity, moisture, motion, pressure and temperature. There are also battery-assisted and a few...
Website:
http://www.iotjournal.com
Related topics : active rfid tag temperature sensor / passive rfid tag sensor / difference between passive and active rfid tags technology / rfid tag moisture sensor / rfid tag temperature sensor
NFL using Zebra RFID chips to track players, gather data ...
Thursday March 5th, 2015
Three things will matter in the NFL next season: location, location, location.
Last year, the league partnered with Zebra Technologies to install its radio-frequency identification (RFID) system, called MotionWorks, in 18 stadiums, and in 2015 that tracking system will be rolled out to the remaining sites, including Wembley in London. Over the last decade, RFID has become...
Website:
http://www.si.com
Related topics : tracking system using rfid / zebra technologies rfid nfl / rfid chip tracking system / rfid tag tracking system / rfid inventory tracking systems