Main topics about radio frequency detection device

radio frequency (rf) detection device  • 

Check also videos for this topic

Radio Frequency (RF) Detection - RF Mapping & Signal Analysis

��/��Radio Frequency (RF) Detection

Radio Frequency (RF) Detection

�� Did You Know? Over $888 million in eavesdropping equipment is sold each year - just in the United States.

REI's portable spectrum analyzers, near-field detector, and broadband detector RF analysis tools quickly perceive transmitting electronic surveillance devices including hidden cameras, hidden microphones, and other eavesdropping...  [more...]

80 Articles (and 9 Videos) for this topic

 
 
 

Patent US8941486 - Radio frequency detection device and ...

A radio frequency detection device that includes a housing, a power supply port, a radio frequency circuit board, and a microprocessor is...

Read more


Website: google.com

Related topics : radio frequency detection device

Medical apparatus with a radio-frequency detection device ...

1. No matching affiliation detected.

Close affiliations

DRAEGER MEDICAL AG & CO. KG

Patent:  Publ. of Application with search report - European Patent Office

Application: EP20070253408 on 2007-08-29

Publication: 2008-03-12

Abstract

The invention relates to a medical apparatus (1) with a...

Read more


Website: http://europepmc.org

Related topics : radio frequency detection device

Radio Frequency Detection - CELLBUSTERS

Radio Frequency Detection

Detect hidden RF transmission and radio frequency bugging devices. Protect and secure your information with the Zone Protector[TM]

In an age of inexpensive, miniaturized electronics, it is not hard for members of the public to get their hands on a variety of devices that can be used to breach information security. Even the common cell phone can be used in espionage, along with more specialized devices such as miniature cameras and audio transmitters, commonly known as "bugs." It is the role of a radio frequency detection device to monitor for the activity of such devices and provide an alert when they are...

Read more


Website: http://www.cellbusters.com

Related topics : radio frequency (rf) detection device / radio frequency detection device

Radio Frequency Detectors - Bug Detection

RF detectors are simply radio frequency...

$119.95

CDRF Basic Bug Detector

RF detectors are simply radio frequency receiving devices. They are designed to detect wireless signals that are being transmitted within a certain frequency range.��This unit�detects�50MHz to 6.0GHz. �Most surveillance equipment operates at 2.4GHz. � Professional Grade. ���Are you or a customer worried about privacy in your home, office, bedroom, or...

Read more


Website: http://www.mhdsecurity.com

Related topics : radio frequency (rf) detection device / radio frequency detection device

Advantages of Radio Frequency Identification Technology ...

Advantages of Radio Frequency Identification Technology

Advantages of Radio Frequency Identification Technology

With the increasing number of competencies in the business world these days, owners need to come up with the best solution as to how they can manage their businesses without compromising the rest of their time and effort which is supposedly intended to for monitoring their other...

Read more


Website: ems-rfid.com

Related topics : radio frequency identification technology (rfid) / radio frequency identification device rfid technology / radio frequency identification technology rfid / radio frequency identification (rfid) asset tracking system / radio frequency identification tags and labels

How to Make a Bug Detection Device | Techwalla.com

Bug detectors are electronic devices that have the capability to detect the radio frequencies being transmitted by listening devices. This makes it easy to know if someone is eavesdropping on your conversations. Although these devices usually cost $100 or more to buy, you can make your own using items from an electronics or hardware store.

Find an electronic bug with a radio frequency detection device.

Step

Use the wire stripper and take off the insulation from the copper wire.

Step

Wrap the copper wire around the end of the toothpick using one end of the copper wire. Count the turns and stop at the 20th turn. Glue the end of...

Read more


Website: https://www.techwalla.com

Related topics : radio frequency (rf) detection device / radio frequency detection device

Bug Detector Combo | Counter Surveillance - Spy Equipment UK

The Bug Detector - Combo combines a radio frequency scanner and spy camera finder in one unit . This device is the ideal product for giving peace of mind for an environment (such as in the home) where the threat level is lower.

This device is designed to identify and locate bugs that transmit audio using various radio frequencies including battery operated transmitters or bugs, mains powered...

Read more


Website: https://www.spyequipmentuk.co.uk

Related topics : radio frequency (rf) detection device / radio frequency detection device / radio frequency tracking device / radio frequency tracking system / rf signal tracking device

Radio Frequency (RF) Detection - RF Mapping & Signal Analysis

��/��Radio Frequency (RF) Detection

Radio Frequency (RF) Detection

�� Did You Know? Over $888 million in eavesdropping equipment is sold each year - just in the United States.

REI's portable spectrum analyzers, near-field detector, and broadband detector RF analysis tools quickly perceive transmitting electronic surveillance devices including hidden cameras, hidden microphones, and other eavesdropping...

Read more


Website: https://reiusa.net

Related topics : radio frequency (rf) detection device / radio frequency detection device

Radio Frequency Detection Equipment - TSCM Tech

Radio Frequency Detection Equipment

Transmitter detection is a tricky process. 

The bad guy has the entire radio frequency spectrum to choose from.  And has a whole host of different modulation techniques to use.  Modulation techniques control how the sound is transmitted.  Common ones include those you use every day:  Amplitude Modulation (AM), Frequency Modulation (FM), Narrow Band FM, and...

Read more

Date: 2010-11-08 14:53:11
Website: http://www.tscmtech.com

Related topics : radio frequency (rf) detection device / radio frequency detection device

Surgical Instrument Comprising a Detection Means - Tagil ...

The invention relates to a surgical instrument (1) comprising a detection means (10) for reacting to at least one external stress (30) emitted by a generator means (15) that generates the stress (30). The invention also relates to the method for producing such a surgical instrument (1). The invention likewise relates to the generator means (15). The invention further relates to a method for...

Read more


Website: http://www.freepatentsonline.com

RSS-Gen — General Requirements for Compliance of Radio ...

Footnotes

Footnote *

Certain frequency bands listed in Table  6 and in bands above 38.6 GHz are designated for licence-exempt applications. These frequency bands and the requirements that apply to the devices are set out in the 200- and 300-series of RSSs, such as RSS-210 and RSS-310 , which contain the requirements that apply to licence-exempt radio apparatus.

Return...

Read more

Date: 2017-03-04 00:51:43
Website: ic.gc.ca

Related topics : radio frequency (rf) detection device / radio frequency detection device

RF Surgical Systems Inc | RF Assure Detection Technology ...

RF Assure Detection Technology employs detection devices to transmit reliable, non-ionizing, low frequency radio waves to detect tagged cotton disposables. When the tagged cotton is stimulated by the device's signal, it transmits its own signal back to the detector, identifying its presence. It's the reliable communication between the detector and the tag that enables the quick and effective...

Read more


Website: http://www.rfsurg.com

Related topics : radio frequency (rf) detection device / radio frequency detection device / low frequency rfid tag / rf tag technology / radio frequency id tags

Vehicle Tracking Devices | Car Tracker | Prices + Fitment

Sleuth Nano* R99 - Wireless and easy to hide and install, waterproof unit. Most affordable stolen recovery device. Radio frequency, phone-in system. Device best suited for areas where there is sufficient Radio Frequency coverage.

Safe And Sound Basic* R119 - Impact detection. Product Lifetime warranty. SMS if vehicle battery disconnected / low. Jamming resist technology. Licence and service alert. Vehicle status. Website and Smartphone app functionality.

Safe And...

Read more


Website: http://www.multiprof.co.za

Related topics : radio frequency detection device / radio frequency tracking device / radio frequency tracking system in your vehicle / radio frequency tracking system

SCAN~LINK Armour System – The backup system that detects ...

The SCAN~LINK Armour System has been designed to reduce the probability of an industrial accident by increasing the probability that personnel working in close proximity to industrial equipment will be detected. The SCAN~LINK Armour System scans for Radio Frequency Identification (RFID) tags using an Ultra High Frequency (UHF) transceiver operating in the unlicensed 902MHz to...

Read more


Website: http://scan-link.com

Barcode Canada - Barcode Handbook

Barcode systems require three elements:

Origin of Bar Codes

You must have a source of bar codes that can be pre-printed or printed on demanded. Pre-printed barcode labels are more economical and usually have higher quality when you demand a large quantity. In contrast, on-demand bar codes can tailor to specific information that you want to encrypt in the labels.

Barcode...

Read more

Date: 2013-10-07 20:47:14
Website: http://barcodecanada.ca

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

RF Detector - SpyZone - SpyZone Security, Surveillance ...

Availability

The RF Detector, like most bug detectors, detect radio frequency signals sent from listening devices such as electronic bugs hidden in objects, or covertly placed in rooms. This RF Detector is able to sweep a room or area for privacy invading bugs and warn you about active RF transmitters.

The RF Detector can detect RF emissions and show the signal strength on its unique bar graph...

Read more


Website: http://www.spyzone.com

Related topics : radio frequency (rf) detection device / rf signal tracking device / radio frequency detection device / radio frequency tracking device

SD Card UHF RFID Readers | Products & Suppliers ...

SD Card UHF RFID Readers

Information: Catalog and Supplier Database for Engineering and Industrial Professionals.

Products/Services for SD Card UHF RFID Readers

 

RFID Readers - (140 companies)

Images credits: Motorola; Barcoding Inc.; CNet RFID readers are devices that perceive, interrogate, and amend RFID tags which have assigned a unique electronic identity to a physical article...

ID Card...

Read more


Website: http://www.globalspec.com

Related topics : radio frequency identification device rfid technology / radio frequency identification tags (rfid) / rfid chip card reader / rfid credit card reader writer / rfid smart card reader writer

The Benefits and Barriers to RFID Technology in Healthcare ...

The Benefits and Barriers to RFID Technology in Healthcare

Source: 

by Stephanie Paaske, MSN, RN, CPHONAshleigh Bauer, BSN, RN, CPENTonianne Moser, MSN, RNCharlotte Seckman, PhD, RN-BC, CNEUniversity of Maryland School of Nursing

Citaiton

Paaske, S., Bauer, A., Moser, T., & Seckman, C. (Summer, 2017). The Benefits and Barriers to RFID Technology in Healthcare. Online Journal of Nursing...

Read more

Date: 2017-12-09 00:04:49
Website: http://www.himss.org

Wiretap And Bug Detection - Advanced Electronic Security ...

The Basic Principals of Bug and Wiretap Detection

by Roger Tolces

As published in the California Association of Licensed Investigators Newsletter

Fellow roomsweepers, bugsweepers and interested security professionals in the bug detection field, I felt it was time that someone wrote a nuts and bolts overview of wiretapping detection and counter measures in 1983. Most of the insights and opinions...

Read more


Website: http://www.bugsweeps.com

Related topics : radio frequency detection device

How to Make a Homemade RF Detector | Techwalla.com

An RF Detector is an electronic device that detects RF (Radio Frequency) signals sent from bugs or other listening devices in a room. Although you can purchase these from online spy and gadget stores, as of 2010, these devices typically cost $200 or more. You can inexpensively build your own device if you want to find out if someone is listening in on your conversations.

An RF detector can be used to find listening devices.

Step

Place all of your materials on a work table.

Step

Take off the ends off the 41-AWG enameled copper wire with the wire strippers. Two wires will be exposed after stripping.

Step

Make a coil of 19 turns of the 41-AWG...

Read more


Website: https://www.techwalla.com

Related topics : radio frequency (rf) detection device / radio frequency detection device

How Location Tracking Works - HowStuffWorks

10 High-tech Tools on the Typical Farm

Geographic Information Systems (GIS) - For large-scale location-tracking systems, it is necessary to capture and store geographic information. Geographic information systems can capture, store, analyze and report geographic information.

Global Positioning System (GPS) - A constellation of 27 Earth-orbiting satellites (24 in operation and three extras in case...

Read more


Website: http://electronics.howstuffworks.com

Related topics : rfid tags gps tracking system / rfid active reader passive tag / radio frequency identification tags (rfid) / rfid radio frequency identification tags / rfid tag tracking system

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

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: The New Technology - Tech Featured

Tweet on Twitter

Origin of RFID tags

Leon Theremin is thought to be the first user or inventor of this device as the inevitable part of spy-kit for the Russian Government in 1945. This cannot be a reliable story: the tool invented by Theremin was a passive covert listening device and not an identification tag. The technology applied in RFID has actually been since the early 1920s. The IFF...

Read more


Website: https://techfeatured.com

Proximity marketing - Wikipedia

Bluetooth-based systems[ edit ]

Bluetooth , a short-range wireless system supported by many mobile devices, is one transmission medium used for proximity marketing. The process of Bluetooth based proximity marketing involves setting up Bluetooth "broadcasting" equipment at a particular location and then sending information which can be text, images, audio or video to Bluetooth enabled devices...

Read more

Date: 2017-11-25 23:06:10
Website: https://en.wikipedia.org

Related topics : rfid based security system with gsm technology / airport security system using rfid technology / radio frequency identification device rfid technology / radio frequency identification device rfid / outdoor localization using active rfid technology

GPS Detector | Tracking Device & GPS Tracker Detector

Find a Tail

With GPS Tracker Detectors

If you're worried that someone is on your digital tail, get the answers you need and eliminate GPS surveillance with a...

Read more


Website: brickhousesecurity.com

Related topics : radio frequency tracking device / radio frequency detection device

How to interface RFID with 8051 microcontroller ...

MICROCONTROLLER How to interface RFID with 8051 microcontroller

How to interface RFID with 8051 microcontroller

Kiran Manchekar

An�RFID�(Radio-frequency identification and detection) reader is a device which is used to communicate with RFID tags by receiving and transmitting signals. These signals use radio waves for wireless communication.RFID tag is applied to products, individuals or...

Read more


Website: https://theelectronicsproject.blogspot.com

Radio Frequency Detection - TSCM Technical Services

 

Transmitter detection is a tricky process.

The bad guy has the entire radio frequency spectrum to choose from. And has a whole host of different modulation techniques to use. Modulation techniques control how the sound is transmitted. Common ones include those you use every day: Amplitude Modulation (AM), Frequency Modulation (FM), Narrow Band FM, and others. More exotic modulation types...

Read more

Date: 2016-09-23 16:38:02
Website: http://tscmtech.com

Related topics : radio frequency (rf) detection device / radio frequency detection device

ALA | Tech Notes

RFID Technology for Libraries

Prepared by Richard W. Boss

RFID (Radio Frequency IDentification) is the latest technology to be used in library theft detection systems. Unlike EM (Electro-Mechanical) and RF (Radio Frequency) systems, which have been used in lib raries for decades, RFID-based systems move beyond security to become tracking systems that combine security with more efficient tracking...

Read more


Website: http://www.ala.org

Related topics : rfid tags uses / library rfid system price / rfid library system technology / library automation using rfid technology / rfid tags library applications

Types of RFID - Cal Poly, San Luis Obispo

Partners and Donors

3.��� Types of RFID

The single acronym RFID is used to describe a variety of radio technologies, optimized for different types of applications. �The key distinctions are in the radio frequency band employed for communications, the means by which the RFID tag is powered, and the conventions used for communicating between the tag and the reader.

Electromagnetic waves are...

Read more


Website: http://polygait.calpoly.edu

Short-range devices - Wikipedia

A short-range device (SRD), described by ECC Recommendation 70-03, is a radio-frequency transmitter device used in telecommunication for the transmission of information, which has low capability of causing harmful interference to other radio equipment.

Short-range devices are low-power transmitters typically limited to 25-100�mW effective radiated power (ERP) or less,...

Read more

Date: 2017-12-06 18:42:23
Website: https://en.wikipedia.org

Related topics : radio frequency detection device / rfid reader range 1 meter / rfid security applications

RFID Label Printing Machines | Products & Suppliers ...

Product News

PQ Systems

Printing labels from GAGEpack Quick tips and tricks: Printing labels from GAGEpack. Wrestling with the ability to trace specific devices back to her gage management system, a customer called to ask about the best way to manage this process. Gages require identification, of course, in order to be traced. The details of this identification include the gage number or ID, last...

Read more


Website: http://www.globalspec.com

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

Innovations in Traceability Systems and Product ID Tools ...

TECH TRENDS | December 2005/January 2006

Innovations in Traceability Systems and Product ID Tools

By Sarah Fister Gale

As the global food economy struggles to reconcile itself with new concerns about bioterrorism and the emerging implications of foodborne illness outbreaks, its response has been to take greater control over processing and distribution channels through the traceability of...

Read more


Website: http://www.foodsafetymagazine.com

Radio telemetry - The Migratory Connectivity Project

Neck collars (mammals and some larger birds)

Pennant-style harness (large ground birds)

Complex backpack-style harnesses that minimize contact with the wings (large flying birds)

Back harness with leg straps (smaller birds)

Return to Top

Antenna

Antennas are used by the researcher to follow transmissions broadcasted from study animals. There are three general rules that apply to all receiver...

Read more


Website: http://www.migratoryconnectivityproject.org

Related topics : radio frequency animal tracking system / radio frequency tracking system in your vehicle / radio frequency tracking system / radio frequency tracking device / radio frequency detection device

Near Field Communication (NFC) Technology, Vulnerabilities ...

The Near Field Communication (NFC) is a set of standards for mobile devices designed to establish radio communication with each other by being touched together or brought within a short distance. The NFC standard regulates a radio technology that allows two devices to communicate when they are in close proximity, usually no more than a few centimeters, allowing the secure exchange of...

Read more


Website: http://resources.infosecinstitute.com

Related topics : rfid card reader device / nfc rfid card reader / rfid proximity card reader kit / rfid proximity card reader / rfid reader mobile device

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...

Read more


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 Technology: Keeping Track of DoD ’s Stuff

improved inventory and shipment visibility and management

enhanced business processes within the DoD

improved asset tracking

Something Missing?

(click to view full)

With benefits, however, come problems. Security is a major concern for RFID technology. Tags that are readable anywhere, anytime pose a risk to corporate and military security.

Accuracy of information is another concern. The DoD...

Read more


Website: defenseindustrydaily.com

RFID Technology: Keeping Track of DoD's Stuff

improved inventory and shipment visibility and management

enhanced business processes within the DoD

improved asset tracking

Something Missing?

(click to view full)

With benefits, however, come problems. Security is a major concern for RFID technology. Tags that are readable anywhere, anytime pose a risk to corporate and military security.

Accuracy of information is another concern. The DoD...

Read more


Website: defenseindustrydaily.com

Related topics : radio frequency identification technology (rfid) / radio frequency identification device rfid technology / rfid active tag technology / improvement of supply chain performances using rfid technology / achieving supply chain integration using rfid technology

History of Wireless Communications | 2015-07-22 ...

The history of Wireless Communications started with the understanding or magnetic and electric properties observed during the early days by the Chinese, Greek and Roman cultures and experiments carried out in the 17th and 18th centuries. Here are some selected events in the development of Wireless Communications (material taken from the book History of Wireless, Tapan Sarkar, et al., Wiley,...

Read more


Website: http://www.microwavejournal.com

Related topics : radio frequency (rf) detection device / radio frequency detection device

MtrackTag - Wireless Active RFID Technology

The MtrackTag is an intelligent small radio Frequency Identification device (RFID) encapsulated in high density foam, hard case or silicone rubber dependent upon its intended usage. The MtrackTag can be attached to any object, typically an asset, box or pallet and read remotely to ascertain its identity, position or state.

A typical RFID system is made up of three components: tags, readers and...

Read more


Website: http://www.mtrack.co.za

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) asset tracking system

Difference Between Radar and Sonar | Difference Between

o Categorized under Science , Technology | Difference Between Radar and Sonar

RADAR and SONAR are both detection systems that can be used to identify objects and their position when they are not visible or at a distance. They are similar in that they both detect the reflection of a transmitted signal. This makes them easily confused with one another. They also both also serve as acronyms for a...

Read more


Website: http://www.differencebetween.net

Related topics : radio frequency detection device

LIBREADERLP101 RFID Tag Reader User Manual L-P101 Library ...

LIBREADERLP101 RFID Tag Reader User Manual L-P101 Library USB Reader Tagsys S.A.

Tagsys S.A. RFID Tag Reader

Trouble Viewing? See the or view the HTML Version or PDF in frame

L-P101 Library USB Reader User's Guide Revision 1.0 August 2005 L-P101 Library USB Reader Publishing Information Disclaimer and Limitation of Liability All information herein is either public information or is the property...

Read more


Website: fccid.io

RI Witness – CooperSurgical Fertility Companies

"Since I started using RI Witness in my laboratory the embryologists sleep better and so do the patients."

Jean-Claude Jacquet, Medical Biologist in Reproduction,

Oriade PMA Grenoble, Rhône Alpes, France

What is RI Witness?

RI Witness uses Radio Frequency Identification(RFID) to detect and monitor all activity in the IVF Laboratory.  The system helps mitigate the risk of human error every time...

Read more


Website: http://www.origio.com

Army Sustainment: Radio Frequency Identification Tags in ...

Radio Frequency Identification Tags in Modern Distribution Processes

by Patricia Kelly and Catherine Robertello

©LMI 2011. Reproduction for personal and educational purposes is authorized.

The military services and the Defense Logistics Agency (DLA) have invested millions in radio-

frequency identification (RFID) tags and infrastructure since 1996. The Department of Defense...

Read more

Date: 2013-10-30 20:47:51
Website: http://www.almc.army.mil

Related topics : improvement of supply chain performances using rfid technology / achieving supply chain integration using rfid technology / passive rfid tag uses / active rfid tag uses / supply chain monitoring and control using rfid

Army Sustainment: Radio Frequency Identification Tags in ...

Radio Frequency Identification Tags in Modern Distribution Processes

by Patricia Kelly and Catherine Robertello

©LMI 2011. Reproduction for personal and educational purposes is authorized.

The military services and the Defense Logistics Agency (DLA) have invested millions in radio-

frequency identification (RFID) tags and infrastructure since 1996. The Department of Defense...

Read more

Date: 2013-10-30 20:47:51
Website: http://www.alu.army.mil

Related topics : improvement of supply chain performances using rfid technology / achieving supply chain integration using rfid technology / passive rfid tag uses / active rfid tag uses / supply chain monitoring and control using rfid

RFID Implantation and Implementation: A Look Into the ...

RFID Implantation and Implementation: A Look Into the Future

Identification, a rather common word integrated into daily life, whether while using a credit card at a retail store, calling the bank or even when applying for a loan. Identification is key and vital for everyone in order to ensure safe identification for use of personal information. The same goes for patients in the hospital. How is a...

Read more


Website: http://allnurses.com

Floating car data - Wikipedia

Vehicle re-identification[ edit ]

RFID E-ZPass reader attached to the pole and its antenna (right) used in traffic monitoring in New York City by using vehicle re-identification method

Vehicle re-identification methods require sets of detectors mounted along the road. In this technique, a unique serial number for a device in the vehicle is detected at one location and then detected again (re-identified) further down the road. Travel times and speed are calculated by comparing the time at which a specific device is detected by pairs of sensors. This can be done using the Media Access Control (MAC) addresses from Bluetooth devices, [1] or using the...

Read more

Date: 2017-11-25 13:31:27
Website: https://en.wikipedia.org

Related topics : radio frequency identification device rfid / rfid reader for vehicle tracking systems / rfid reader access control system / radio frequency identification tags (rfid) / rfid radio frequency identification tags

RSS-210 — Licence-Exempt Radio Apparatus: Category I ...

200

± 50

Note: Effective May 25, 2018, the Department will no longer accept applications for the certification of new low-power apparatus that operate in the bands 617-652 MHz and 663-698 MHz. Furthermore, as of November 15, 2018, no low-power apparatus in the bands 617-652 MHz and 663-698 MHz may be sold, offered for sale, manufactured, imported, distributed or leased on the Canadian...

Read more

Date: 2017-12-10 00:57:58
Website: ic.gc.ca

Related topics : radio frequency (rf) detection device / radio frequency detection device

PPT - RFID Tags PowerPoint Presentation - ID:2647780

-Controversy

Electromagnetic Waves

Michael Faraday proposed in 1846 that both light and radio waves are part of electromagnetic energy.

In 1864 James Clerk Maxwell published his theory on electromagnetic fields and found that electric and magnetic energy propagate in transverse waves at the speed of light

In 1887 Heinrich Rudolf Hertz produced and studied electromagnetic waves. He concluded that...

Read more


Website: slideserve.com

Related topics : battery assisted passive rfid tag cost / difference between passive and active rfid tags technology / rfid active reader passive tag / difference between active rfid tag and passive rfid tag / cost of active and passive rfid tags

Proximity card - Wikipedia

Passive cards[ edit ]

Passive 125 kHz cards, the more widely used type which were described above, are powered by radio frequency signals from the reader device and so have a limited range and must be held close to the reader unit. [2] They are used as keycards for access control doors in office buildings. Contactless smartcards are used for all other applications: library cards , contactless...

Read more

Date: 2017-02-16 08:59:32
Website: https://en.wikipedia.org

Related topics : radio frequency card reader / radio frequency detection device / radio frequency chip companies / radio frequency chip manufacturers / radio frequency id chip