RFID Basics

SKU: C-788Duration: 29 Minutes

Pay-per-view (PPV) format perfect for individual users.

Get immediate access to this interactive eLearning course online. Must be used within 30 days, expires 48 hours after launch.

Language:  English

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Course Details

Specs

Training Time: 29 minutes

Compatibility: Desktop, Tablet, Phone

Based on: Industry Standards and Best Practices

Languages: English

RFID stand for "Radio Frequency IDentification." In RFID systems, "readers" use radio signals to communicate with data "tags." A "tag" consists of an antenna connected to a data-containing integrated circuit that can be attached to almost any object, thereby giving the object a unique identification number which can be read remotely. RFID technology is used to control building access, inventory, mass transit ticketing, and highway tolls, and it is being used to increase the security of new U.S. passports.

Learning Objectives

At the end of this module, you will be able to:

  • State what RFID stands for
  • Describe the components of an RFID system
  • Describe some of the advantages of RFID over barcoding
  • Describe some of the disadvantages of RFID versus barcoding
  • Describe at what frequencies RFID can operate
  • Describe the need for standards and regulations
  • Explain what organizations are in charge of standards and regulations
  • Describe the health risks of RFID systems

Key Questions

The following key questions are answered in this module:

How big are RFID tags?
RFID tags are typically small - they can be as small as a grain of rice!

Which costs more: a barcode system or an RFID system?
RFID systems cost more to implement, but their efficiencies and benefits can justify the higher initial costs in some cases.

What kinds of things can interfere with an RFID system?
Systems that use radio signals, like Wi-Fi hotspots, can interfere with RFID communications.

What kinds of security issues are there with RFID systems?
RFID tags can be read illicitly by high-intensity directional antennas, without your knowledge.

Is there a way to improve security?
RFID tag information can be encrypted.

Sample Video Transcript

Below is a transcript of the video sample provided for this module:

In a typical RFID interaction, an RFID reader would communicate with a tag this way. 1) A reader sends out a periodic or constant radio wave. 2) Every tag receiving that wave responds with a radio signal containing the information held in its memory. 3) The reader "decodes" the information from the tag, and the controller sends the information (usually an identification number) to a host computer. 4) The computer records the location of the tag in a database and perhaps returns information (such as an entry authorization) to the reader. RFID communication range depends on many factors. Some systems require the tag and reader to be within a few inches of each other, while some systems have an effective range of a few dozen feet.

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