s9800078

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Are RFID Tags Available for Memory Cards?

Do you know of any companies that design tags specifically for memory cards that go in secure digital (SD) slots, and so forth? —Name withheld ——— I am unaware of any RFID tags designed specifically for that purpose. It might be possible, however, to tag and track...

Can RFID Help the Visually Challenged Get Around?

Is there an off-the-shelf RFID system available that can help blind people navigate in areas where there is no designated blind path? —Name withheld ——— There is no off-the-shelf RFID navigation system of which I am aware that is designed to help the blind, but radio...

Could RFID Be Used to Find Tools Lost Within an Aircraft?

Would the technology be able to help us locate missing equipment? —Name withheld ——— Yes, it could—but ensuring that stray tools are detected 100 percent of the time would require testing. It might be possible to tag tools with passive ultrahigh-frequency (UHF)...

How Can I Track Insects Via RFID?

I would like to monitor the insects from approximately 2 inches away, or slightly less, using radio frequency identification. Each insect measures approximately 0.5 inch in size. I do not require long-range tracking. What are my options? —Name withheld ——— There have...

What Are the Best Wi-Fi RFID Tags?

Which manufacturers produce the top tags of this type? —Hamed ——— Hamed, Aeroscout and Ekahau are two of the leading providers of Wi-Fi-based real-time location systems (RTLS). It's difficult to say whose tags are "best," however, or whether there is even such a thing...

Where Can I Find Specialized RFID Tags?

Are there any companies focused on prototyping custom-sized tags in very low volumes? —Name withheld ——— NXP Semiconductors, Smartrac and Avery Dennison all have facilities that can develop customized antennas for passive high-frequency (HF) and ultrahigh-frequency...

What Type of Batteries Are Used in Active RFID Transponders?

Please provide some information regarding their size, weight, expected lifespan and durability. —Name withheld ——— There are many different types of active RFID transponders, from a wide variety of manufacturers. Most companies use lithium-ion batteries, but beyond...

Is Tracking Cattle Via RFID Expensive?

I am interested in learning about RFID's use in Africa. Considering the low level of IT in some countries, I am conducting research to propose a radio frequency identification system for cattle and animal tracking. What is the average cost of installation, and for...