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How Does RFID Technology Work? - makeuseof.com

Types of RFID System

We generally classify the type of RFID system by the type of tag and reader. There are three common combinations:

Passive Reader Active Tag (PRAT): The reader is passive, only receiving radio signals from an active tag. Because the tag is battery powered, the transmit/reception range can be from 0-2,000 feet (0-600m). As such, PRAT is a flexible RFID solution.

Active Reader Passive Tag (ARPT): The reader is active, transmitting an interrogator radio signal, receiving authentication signal replies from passive tags.

Active Reader Active Tag (ARAT): The reader is active, and interacts with...

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How Credit Card Fraud Works, And How To Stay Safe

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If you're part of my generation, you might have had to convince your parents or grandparents at some point that using their credit card online is safe . "It doesn't feel safe," they say, but you tell them that's the way everyone shops all the time, and their credit card information is totally safe.

But you're wrong. Credit card numbers do get stolen, and credit card fraud...

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9 Awesome Ways to Use NFC That'll Impress Your Friends

RapidNFC has a great guide on the features of the NFC chips that you can purchase. For reference, I used NTAG213 NFC chipped tags for all the tasks in this article.

1. Instantly Add a Wi-Fi Network

No longer do you have to scribble down your long and indecipherable Wi-Fi password on a scrappy bit of paper for when you have guests over.

NFC can replace that cumbersome process with a simple tap....

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Related topics : tag rfid nfc / car security using rfid / home security system using rfid / security system using rfid / active rfid tag uses

3 Smartphone Security Flaws That You Should Be Aware Of

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What are the hidden dangers of using a smartphone? If your worst worry is someone snooping through your phone Smartphone Privacy Settings You Need To Activate Today Smartphone Privacy Settings You Need To Activate Today Smartphones ship with plenty of default settings that could be leaking your info. Let's dive in and tweak them. Read More , you may want to think again....

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Related topics : nfc rfid hack / hacking rfid chips / a security and privacy model for mobile rfid systems in the internet of things / security system using rfid / rfid hacking protection

3 Smartphone Security Flaws That You Should Be Aware Of

But newer technologies aren't any safer. The NFC protocol -- which allows modern smartphones to transfer data with a physical "bump" -- can be intercepted Using NFC? 3 Security Risks To Be Aware Of Using NFC? 3 Security Risks To Be Aware Of NFC, which stands for near-field communication, is the next evolution and is already a core feature in some of the newer smartphone models like the Nexus 4...

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Related topics : nfc rfid hack / hacking rfid chips / security system using rfid / rfid hacking protection / rfid hacking system

9 Awesome Ways to Use NFC That'll Impress Your Friends

The app has support for NFC "Captchas", so set up a tag, place it somewhere difficult to reach from your bed. When your next alarm signals that morning has come around again, you will be forced to get yourself out of bed and tap the tag in order to shut off the alarm.

Now that we carry all our contact information on our phones, does it make sense to design, purchase, and...

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Related topics : tag rfid nfc / car security using rfid / nfc rfid card reader