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How Long Do RFID Chips Last? | Techwalla.com

RFID stands for radio frequency identification, a technology that identifies, locates and tracks items using radio waves. When an item is tagged with a tiny silicon chip and an antenna -- collectively known as an RFID tag -- it can be scanned by a mobile or stationary reader to identify the item. RFID chips last varying lengths of time, depending on the design of the RFID tag and nature of the...

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Advantages & Disadvantages of RFID | Techwalla.com

Radio frequency identification is an automatic ID system. Like a barcode or the magnetic strip on a credit card, an RFID tag provides a unique identification code that can be read by a scanning device. Unlike other ID systems, RFID uses radio waves to communicate with readers. When a reader picks up these waves, it converts them into digital data that identifies the object that contains the tag....

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What is the Difference Between Proximity ID & RFID?

What is the Difference Between Proximity ID & RFID?

March 31, 2015

Radio frequency identification (RFID) and proximity identification (ID) are similar technologies. While RFID is used mainly in the shipping industry, proximity ID is primarily a security solution. Radio waves are the key component of both technologies.

RFID is used mainly in the shipping industry.

credit: anek_s/iStock/Getty Images

RFID

RFID is the term that is used for various technologies that make use of radio waves to identify objects or people. RFID works by storing a serial number in the device that identifies an item or person. This information...

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Related topics : rfid proximity card reader / what frequency do credit card rfid use / radio frequency identification device rfid technology / rfid proximity cards / radio frequency identification technology (rfid)

How to Protect Cards From RFID Scanning | Techwalla.com

How to Protect Cards From RFID Scanning

March 31, 2015

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"RFID" stands for radio-frequency identification. An RFID tag is a microchip that stores information that can be read from a distance by a special device called a reader or interrogator. RFID tags are now found in some passports, driver's licenses, employee and university identification cards, and even some credit cards. The RFID tags in some of these cards can be read from up to 30 feet away, and the...

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Related topics : credit card wallet with rfid protection / rfid credit card blocking theft protection / rfid credit card theft protection / rfid credit card protection / rfid credit card wallet

How to Know If There Is an RFID in My Credit Card ...

Credit cards that use radio frequency identification, or RFID, technology were developed so cardholders could simply hold or wave their cards in front of a reader instead of swiping it at a machine. The card reader -- known as a PayPass reader -- scans the card and processes a transaction without a signature. Unfortunately, high-tech thieves have discovered ways of using this technology to steal consumer information and to commit identity theft, prompting many cardholders to question whether the safety of cards...

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Related topics : credit card companies using rfid technology / what frequency do credit card rfid use / credit card rfid reader frequency / rfid reader credit card theft / rfid credit card reader

How to Make Your Own RFID Shield | Techwalla.com

The use of radio frequency identification or RFID chips is on the rise in technological items intended for personal use. Public transit cards, ID badges for some buildings, even credit cards now contain these tiny devices, some not much bigger than a grain of rice. RFID chips may some day be inserted into passports to speed processing at border security locations. However, they do concern some users because they are constantly broadcasting, meaning someone with an RFID reader could copy and possibly steal some information. You can shield your RFID chips with a device you can build at home.

RFID...

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Related topics : radio frequency identification (rfid) chip / radio frequency identification rfid chip / radio frequency identification device rfid technology / rfid blocking duct tape wallet / radio frequency identification device rfid

How to Make an RFID Blocking Wallet | Techwalla.com

How to Make an RFID Blocking Wallet

March 31, 2015

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Radio frequency identification (RFID) tags are appearing more and more frequently on our belongings, embedded in passports and credit cards and taking the place of bar codes on consumer products. Some people have concerns about the privacy issues posed by the tags, but any conductive material can shield an RFID tag and prevent...

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Related topics : rfid blocking duct tape wallet / rfid duct tape wallet / rfid credit card wallet / credit card rfid tag / credit card rfid frequency

What Is the Meaning of Library Automation? | Techwalla.com

Not many years ago, libraries used card catalogs, typewriters, and manually assigned due dates. Library automation, an up-to-date method to help libraries and library patrons to effectively use library resources, is now streamlined because of computers and software.

Card Catalog

Benefits

Through computer technology and software, library patrons have rapid and more user-friendly access to the latest information. They are also able...

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Related topics : library automation using rfid technology / rfid technology library automation / rfid based library automation / rfid technology used in library / rfid library automation

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...

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