Selected articles for topic: active rfid frequency
→ 494 articles
Check also 10 Videos for this topic
RFID Background - Vizinex RFID
�
RFID Background
Radio Frequency Identification (RFID) technology is an automated data capture technology that identifies labeled or tagged objects wirelessly. The system consists of an RFID tag and an RFID tag reader that relays the information on the tag, in digital form, to a computer system.
Unlike bar-code labels, which can only function if the bar-code is oriented towards the scanner and...
Website:
https://www.vizinexrfid.com
UHF Gen 2 RFID Reader/Writer with a Swivel Read Head ...
This UHF Gen 2 RFID reader/writer belongs to GAO's family of 900MHz (UHF) RFID Readers. The line includes a wide variety of RFID readers to meet customers' different needs. Some featured products in this line include UHF 902 MHz Gen 2 Portable Handheld RFID Reader Writer, 902 MHz RFID Gen 2 UTE Portable Reader Writer and Rugged Handheld Terminal RFID Reader .
For...
Website:
https://www.newswire.com
Related topics : uhf gen 2 portable reader writer / rfid uhf gen 2 reader / handheld uhf rfid reader writer / uhf rfid reader writer / portable rfid reader writer
Antenna Design for UHF RFID Tags-Review and a Practical ...
an overview of antenna design for passive radio frequency identification (RFID) tags is presented. We discuss various requirements of such designs, outline a generic design process including range measurement techniques and concentrate on one practical application: RFID tag for box tracking in warehouses. A loaded meander antenna design for this application is described and its various practical...
Website:
http://www.engpaper.com
Related topics : antenna design for uhf rfid tags a review and a practical application / new design antenna for rfid uhf tags / dipole antenna design for uhf rfid tags / antenna design for uhf rfid tags / rfid tag antenna design
Savi hybrid RFID tag made available - SAE International
Savi Technology says its hybrid ST-694 GlobalTag is the first asset and shipment monitoring device that combines GPS, active RFID (radio frequency identification), and satellite communications technologies. It allows for continuous monitoring and precise location information of supply chain assets almost anytime and anywhere, including areas where there is no terrestrial reader...
Website:
http://articles.sae.org
RFID Tags Manufacturer - MoreRFID
RFID Tags Manufacturer
RFID stands for Radio-Frequency Identification. This acronym refers to small electronic devices that consist of a small chip and an antenna. Just as the barcode or a magnetic strip provides a unique identification to an object, RFID device retrieves information by scanning through the RFID label/tag. RFID serves the same purpose as the magnetic strip on the back of a credit...
Website:
https://www.morerfid.com
Ford’s Land Rover, Savi Launch RFID Auto ... - SecureIDNews
0
Ford Motor Company's Land Rover division and Savi today launched a pilot program to deploy an active RFID system, which will synchronize the delivery of auto parts from multiple suppliers to Land Rover's key assembly plant in the West Midlands (U.K.).
The pilot is made possible through a U.K. central government grant administered by the University of Warwick, which was instrumental in an...
Website:
secureidnews.com
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
13.56 MHz High Frequency Key Fob RFID Tag | GAO RFID Inc.
This passive high frequency key fob RFID tag is a very popular solution for access control application, event management and for applications where keys need to be tracked. It is also a good alternative for use in logistics management. The passive RFID tag is encapsulated within a resin and plastic housing that is ultrasonically sealed in order to protect against adverse environmental conditions....
Website:
https://uae.gaorfid.com
HKCTC > Seminars
The Council and the Hong Kong Accreditation Service co-organised a Seminar on Greenhouse Gas Validation and Verification on 5 February 2015 (Thursday). ( Programme )
Climate change is doubtlessly an enormous challenge faced by mankind of our time. To tackle climate change, many places around the world are implementing various initiatives to limit Greenhouse Gas (GHG) concentrations in the...
Date: 2017-01-26 00:50:28
Website:
http://www.hkctc.gov.hk
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)
Rugged RFID Tags For Bin & Container Tracking | Decade ...
RFID Tags and Systems
What is RFID?
Radio frequency identification, or RFID, is a generic term for technologies that use radio waves to automatically identify people or objects. There are several methods of identification, but the most common is to store a serial number that identifies a person or object, and perhaps other information, on a microchip that is attached to an antenna (the chip and...
Website:
http://www.decadeproducts.com
Related topics : small rfid tags long range / programing rfid tags / rfid tags human implants / rfid tag and reader price / rfid tag and reader circuit
RFID Tags - Asset labels, Asset tags & Active RFID Tag ...
RFID Tags & Asset Labels
Save time. We find you the most appropriate system for your budget.
We can source almost any type of asset tag including asset labels and RFID microchips. As well as supplying samples, we can recommend optimum label size, material, and content before submitting artwork to you for approval prior to production.
Labels & Tags
There are two types of tag that are ideal for...
Date: 2015-07-10 14:18:26
Website:
assettrac.co.uk
Related topics : active rfid asset tags / rfid asset tagging system / radio frequency identification tags (rfid) / rfid radio frequency identification tags / rfid tags for asset tracking
Long Range RFID Active Tags & Receiver - Applied Wireless
Home » RFID
Applied Wireless offers radio frequency (RFID) tags and receivers for a wide variety of uses. The Active RFID Tag transmits its unique ID every 2 seconds and will operate for about a year with the included coin battery. Our affordable RFID tag is designed for long range (up to 300') application....
Website:
https://www.appliedwireless.com
Related topics : long range active rfid tags / active rfid tag frequency range / rfid tag long range / active rfid tag maximum range / active rfid tag range
RFID - Simple English Wikipedia, the free encyclopedia
Radio-frequency identification (RFID) is a technology to record the presence of an object using radio signals. It is used for inventory control or timing sporting events. RFID is not a replacement for the barcoding , but a complement for distant reading of codes. The technology is used for automatically identifying a person, a package or an item. To do this, it relies on RFID tags. These are small transponders (combined radio receiver and transmitter ) that will...
Date: 2017-02-13 02:01:27
Website:
https://simple.wikipedia.org
Related topics : radio frequency identification tags (rfid) / rfid radio frequency identification tags / rfid active reader passive tag / active rfid tag and reader / active rfid tag reader
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
Stopcard - Protect your identity on RFID devices.
FUTURE-PROOF YOUR WALLET AND PROTECT YOUR IDENTITY.
PURCHASE AND DEPLOY YOUR STOPCARD® TODAY.
Be Secure With A STOPCARD®
Modern Technology
Our Modern society demands speed and ease of access. The creation of enhanced wireless technologies has given us a high level of convenience, but everyone should be cognizant of a fully digitized world. The latest in wireless technologies have...
Date: 2018-11-13 22:51:22
Website:
http://www.stopcard.com
RFID Xplorer - CISC Semiconductor
Tag Performance
Tag performance tester
CISC RFID Xplorer delivers key performance metrics of UHF RFID tags, such as Read and Write range over frequency (meters, feet), Backscatter range over frequency (meters, feet), Minimum tag activation electric field over frequency (V/m), Minimum tag activation power over frequency (dBm), Tag backscatter power over frequency (dBm), Differential radar...
Website:
cisc.at
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
RFID Training Online. RFID Revolution
2) Hospital asset tracking using real-time location systems (RTLS)
3) Supply chain tracking
d. RFID - bar code comparison
2. History of RFID (25 minutes)
a. Identification friend or foe technology in World War II
b. Anti-theft
c. Contactless keys, traffic control
d. Railcar identification
f. Growth of RFID standards supporting supply chain applications
1)...
Date: 2017-02-27 22:25:07
Website:
http://rfidrevolution.com
What Is the Purpose of RFID? | eHow
Save
Radio Frequency Identification (RFID) is a technology designed to allow objects, animals and even human beings to be identified, located, and tracked using radio frequency signals. The history of RFID can be traced back to World War II, when it was used by the British to identify friendly aircraft. The technology has developed over the years and is now used in a wide range of...
Website:
http://www.ehow.com
Related topics : rfid reader access control system / rfid based security and access control system / rfid tag reader system / active rfid tag and reader / active rfid tag reader
Savi Releases Next-Generation Active RFID Tags | Sensors ...
The Savi ST-618 is a rugged active RFID tag ideally suited for the locating, tracking, and managing of medium- to high-value assets in both defense and commercial applications.
The Savi ST-621 license plate tag is a cost-effective, active RFID tag designed for various applications, including the tracking of shipping containers and other conveyances.
Availability
The new tags are available now...
Date: 2017-12-09 23:45:23
Website:
sensorsmag.com
RFID - Radio Frequency Identification - lifewire.com
2.45 GHz
The reach of an RFID reader varies depending on the radio frequency in use and also physical obstructions between it and the chips being read, from a few inches (cm) up to hundreds of feet (m).
Higher frequency signals generally reach shorter distances.
So-called active RFID chips include a battery while passive RFID chips do not. Batteries help the RFID tag scan over longer distances but also significantly increase its cost. Most tags work in the passive mode where chips absorb the radio signals incoming from the reader and turn...
Website:
https://www.lifewire.com
Related topics : radio frequency identification (rfid) chip / radio frequency identification rfid chip / rfid chip information technology / passive rfid chip cost / radio frequency identification tags (rfid)
ELEX IDEA BLOG: RFID-Based Security System (Circuit Diagram)
RFID-Based Security System (Circuit Diagram)
A radio-frequency identification (RFID) based access-control system allows only authorised persons to enter a particular area of an establishment. The authorised persons are provided with unique tags, using which they can access that area.
The system is based on micro controller AT89C52 and comprises an RFID module, an LCD module for displaying...
Date: 2018-09-17 04:49:32
Website:
elexidea.blogspot.com
ELEX IDEA BLOG: RFID-Based Security System (Circuit Diagram)
RFID-Based Security System (Circuit Diagram)
A radio-frequency identification (RFID) based access-control system allows only authorised persons to enter a particular area of an establishment. The authorised persons are provided with unique tags, using which they can access that area.
The system is based on micro controller AT89C52 and comprises an RFID module, an LCD module for displaying...
Date: 2017-10-23 10:45:07
Website:
elexidea.blogspot.com
Facts about GPS tracking using QR codes, RFID/NFC ...
Facts about GPS tracking using QR codes, RFID/NFC, Bluetooth & GSM/SMS
As the keeping track of expanding asset inventories gets complicated, many growing organizations decide to abandon traditional spreadsheet-based or pen and paper methods of locating equipment, products, or devices. However, the search for advanced and more efficient tech alternatives is often fraught with confusion and...
Website:
https://www.gocodes.com
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-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...
Website:
electronicsforu.com
RFID-Handbook - Active Load Modulation
All Pages
1. Introduction
Inductive coupled RFID systems are being used in a huge number of applications such as payment (credit cards), ticketing (public transport and events), access control (company card) and identity verification (ePass, eID). Inductive coupled RFID systems operated in the 13.56 MHz band and are primarily covered by the ISO/IEC standards 14443, 15693, 18000-3 and 18092. The...
Website:
http://rfid-handbook.de
Related topics : rfid and contactless smart card applications download / rfid and contactless smart card applications / difference between rfid and contactless smart card / rfid tags and contactless smart card technology / rfid and contactless smart card
Savi Technology Unveils DASH7 RFID SoC | Sensors Magazine
by Sensors Staff |
Jul 1, 2010 1:00am
MOUNTAIN VIEW, CA -- Savi Technology , a Lockheed Martin company [NYSE: LMT] providing real-time supply chain and asset management solutions, unveiled a state-of-the-art Radio Frequency system-on-a-chip (SoC) about the size of a dime that streamlines design and development processes of DASH7 RFID-based tracking devices.
Savi's new active RFID SoC combines...
Date: 2017-12-09 23:45:46
Website:
sensorsmag.com
Savi Technology Unveils DASH7 RFID SoC | Sensors Magazine
by Sensors Staff |
Jul 1, 2010 1:00am
MOUNTAIN VIEW, CA -- Savi Technology , a Lockheed Martin company [NYSE: LMT] providing real-time supply chain and asset management solutions, unveiled a state-of-the-art Radio Frequency system-on-a-chip (SoC) about the size of a dime that streamlines design and development processes of DASH7 RFID-based tracking devices.
Savi's new active RFID SoC combines...
Date: 2018-01-12 07:39:51
Website:
sensorsmag.com
3D RFID Simulation and Design - Factory Automation ...
3D RFID Simulation and Design - Factory Automation
Wei Liu1 and Ming Mao Wong1
[1] Singapore Institute of Manufacturing Technology, Singapore 71 Nanyang Drive, Singapore 638075,
1. Introduction
The chapter addresses the problem by presenting an analytical model for a 3-dimensional single folded loop antenna with detection coverage in space. Based on the antenna theory, the inductance and...
Website:
intechopen.com
Related topics : dependence of rfid reader antenna design on read out distance / rfid smart shelf system / rfid hf reader antenna design / rfid reader antenna design / hf rfid tag antenna design
Difference Between RFID and NFC | Difference Between
o Categorized under Technology | Difference Between RFID and NFC
RFID vs NFC
RFID (Radio Frequency Identification) is a tagging technology that is gaining widespread attention due to the great number of advantages that it offers compared to the current tagging technologies being used today; like barcodes. Near Field Communication, or more commonly known as NFC, is a subset of RFID that limits the...
Date: 2017-03-03 13:51:30
Website:
http://www.differencebetween.net
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 / nfc vs rfid difference / radio frequency identification device rfid technology
RFID use in healthcare on the rise | Digital Health
The use of Radio Frequency Identification (RFID) in healthcare across the globe now accounts for almost 9% of global RFID projects, according to research by UK-based consulting firm, IDTechEx.
The researchers found that the use of the technology in healthcare has risen over the years and is now the sixth most important applicational sector for the use of RFID.
With the global market for RFID now...
Website:
https://www.digitalhealth.net
Transfusion Medicine RFID
The Transfusion Medicine RFID (Radio Frequency Identification) Consortium is actively engaged in the first-ever comprehensive investigation to research, develop and introduce innovative application of RFID for automatic identification, tracking and status-monitoring of blood and blood products across all entities in the supply chain - from the point of collection, through blood product...
Date: 2017-03-04 00:49:45
Website:
http://transfusionmedicinerfid.org
Related topics : radio frequency identification technology (rfid) / radio frequency identification technology rfid / radio frequency identification rfid definition / radio frequency identification rfid systems / radio frequency identification (rfid)
Invisi-Tag® RFID
These frequencies determine what type of range the reader would detect RFID Tags. The RFID Reader sends enough radio waves to start the RFID tag's circuit. The activated tag then transmits the signal with an ASCII/Binary/EPC or other format of unique number. This unique serial number is related in a database to represent a product or information.
RFID Tags
RFID Tags are the receiver component of the system which receives the radio waves. The RFID tag is a crucial component of this system. There are two types of tags, active tags and passive tags.
Active Tags
An active tag has its own power source. The advantage of this particular tag is...
Website:
https://invisi-tag.com
Global Retail RFID Security Tags Market 2017-2021
About Retail RFID Security Tags
RFID tags are electronic tags, which function on the principle of radio waves. They use electromagnetic fields to automatically identify and track tags that are attached to objects. They are primarily used for monitoring and tracking objects through an RFID reader. The information recorded by RFID tags can be later read by scanning devices using RFID technology....
Website:
https://www.giiresearch.com
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 - Radio Frequency Identification
RFID, which stands for "Radio Frequency Identification," is a contactless identification technology that supports both low-frequency (125/134.2 kHz) and high-frequency (13.56 MHz) alternating magnetic fields. It consists of an information carrier (RFID tag, card or transponder) and a reading device (RFID reader or scanner). When the fields of one of those elements is within the reach range of the...
Website:
https://www.elatec-rfid.com
What is RFID? How RFID works? RFID Explained in Detail
In this RFID system, this RFID reader continuously sends radio waves of a particular frequency. If the object, on which this RFID tag is attached is within the range of this radio waves then it sends the feedback back to this RFID reader.
And based on this feedback, RFID reader identifies the object.
RFID tags:
Now, three different kinds of RFID tags are commercially available.
1) Passive...
Website:
youtube.com
Savi Wins Role on US Department of Defense's RFID III ...
RFID III is an indefinite-delivery-indefinite-quantity (IDIQ) contract established by the U.S. Army on behalf of all Services with a total value of $428 million for active Radio Frequency Identification hardware, software and engineering services. The competitively bid RFID III contract, administered by the U.S. Army's Product Manager Joint-Automatic Identification Technology (PM J-AIT) office,...
Website:
http://www.deagel.com
Components of an RFID System - MBA Knowledge Base
Components of an RFID System
Components of an RFID System
Radio frequency Identification (RFID) as the name implies uses radio frequency to exchange data between two entities for identification purpose. It is a wireless technology to collect information without any human interventions.
An RFID system is basically an integrated combination of various components which work together for detection...
Website:
mbaknol.com
RFID AT THE DoD - American City & County
RADIO TECHNOLOGY is enabling the Department of Defense to streamline and improve the world's largest supply chain When General Grant took command of union forces in the Eastern Theater during the Civil War, his first orders aimed to repair a malfunctioning system of supply lines. Historians credit Grant's logistical expertise as crucial to his victory over Robert E. Lee's army. Ever since, the...
Date: 2017-12-10 02:14:49
Website:
http://americancityandcounty.com
RFID – Radio Frequency Identification
Radio Frequency Identification (RFID) is evolving as a major technology enabler for tracking goods and assets around the world. It can help hospitals locate expensive equipment more quickly to improve patient care, pharmaceutical companies to reduce counterfeiting and logistics providers to improve the management of moveable assets. It also promises to enable new efficiencies in the supply chain...
Date: 2013-10-08 13:26:24
Website:
http://www.rfidc.com
Related topics : radio frequency identification (rfid) asset tracking system / radio frequency identification technology (rfid) / radio frequency identification technology rfid / radio frequency identification tags (rfid) / rfid radio frequency identification tags
RIDEX : RFID Solutions Expo - Bvents.Com
conferences > Consumer Electronics conferences > RIDEX : RFID Solutions Expo
May 13 - 15, 2009 Tokyo , Japan
# Manufacturing: [Production Process Controls, KANBAN,Asset Management of Equipment and Facilities, Quality Controls, Parts Management, Tools Management, Other Traceability, etc.] # Logistics and Distribution: [Inventory Controls, Warehouse...
Website:
http://www.bvents.com
Related topics : types of rfid tags and readers / types of active rfid tags / types of rfid tag antenna / rfid tag ic / rfid asset management system
Rfid In Healthcare - Market Research Reports, Industry ...
Request Report Methodology
Radiofrequency identification (RFID) is a system based on wireless technology which utilizes radio waves for collecting data from a tag attached to an object, for various purposes like automatic identification and tracking of objects. RFID system comprises of three major components - tags, readers and middleware. RFID tags and readers are further subdivided into active...
Website:
transparencymarketresearch.com
A Simple Uhf Rfid Circularly-Polarized Reader Antenna Design
In this paper, the simple antenna is proposed for ultra high- frequency (UHF) radio frequency identification (RFID) application. It is designed to achieve circular polarization with unidirectional beam. The antenna is composed of the truncated radiation patch and ground plane. The simulation results show that the antenna achieves the return loss of -31.92 dB, gain of 8 dBic, axial ratio (AR) of...
Website:
https://www.scribd.com
Radio-frequency identification (RFID) | Services to Schools
Join the conversation: Sign up or Log on
Radio-frequency identification (RFID)
This guide outlines what RFID is, how it works, and what you'll need to consider when preparing a business case to implement RFID in your school library.
Contents
Further reading
What is RFID?
Radio-frequency identification (RFID) uses a wireless radio system to transfer data from a tag attached to an object, such as a...
Date: 2017-03-04 02:06:05
Website:
http://schools.natlib.govt.nz
Related topics : rfid tag library management system / radio frequency identification tags (rfid) / rfid radio frequency identification tags / smart library management system using rfid / library shelf management system using rfid technology
PanGo Introduces New Wi-Fi-Based RFID Tag
PanGo Introduces New Wi-Fi-Based RFID Tag
Third-generation asset-tracking tag features smaller form factor, enhanced functionality and extended battery life at reduced cost.
Previous Next
PanGo has introduced its third-generation Wi-Fi-based active RFID tag, giving organizations new ability to identify and monitor the location of thousands of mobile assets, inventory and personnel at a...
Date: 2018-01-10 22:15:15
Website:
http://www.govtech.com
Custom RFID Card | Blank RFID Enabled Cards Manufacturer
RFID Cards (Radio Frequency Identification Proximity Cards) include LF RFID cards(125Khz), HF RFID cards(13.56MHZ), and UHF RFID cards (860-960MHZ).
MoreRFID Company has advanced equipment, high quality materials, exquisite workmanship, and a focus on supplying high quality RFID Cards as competitive price.
MoreRFID has a complete line of RFID cards for active and passive data transmission.Every step of our process is governed by ISO 9001:2008 certified.
Every RFID Card must pass our QC 100% Strictly Quality...
Website:
https://www.morerfid.com
The role of RFID in the smart factory
RFID technology will have a big role to play in the smart factory of the future, enabling 'things' to communicate in real-time with manufacturing systems.
In Europe we call it Industry 4.0, cyber-physical systems and the 'internet of things' (IoT). In America it comes under the umbrella of the Smart Manufacturing Leadership Coalition or the Industrial Internet. However, we are all alluding to the...
Website:
http://www.controlengeurope.com
RFID - What does RFID stand for? The Free Dictionary
RFID - What does RFID stand for? The Free Dictionary
https://acronyms.thefreedictionary.com/RFID
Related to RFID: RFID chip
Acronym
Radio Frequency Identification Device (less common)
RFID
Reduced-Fat Informed with Details (nutrition)
RFID
Repeated Free Induction Decay
Want to thank TFD for its existence? Tell a friend about us , add a link to this page, or visit the webmaster's page for free fun content .
Link to this...
Website:
acronyms.thefreedictionary.com
Related topics : radio frequency identification device rfid technology / radio frequency identification device rfid / radio frequency identification technology (rfid) / radio frequency identification technology rfid / radio frequency identification (rfid)