I read, in a previously posted answer to the question How Much Electricity Is Generated by Passive RFID Tags?, that “a modern passive tag is designed to operate (at maximum range) on only 1 microwatt ...

It might sound like science fiction, but Joshua Smith, a principal engineer at Intel Research Seattle, and his team of scientists from Intel and the University of Washington are working to develop ...

The following is excerpted from Chapter 3: Radio Basics for UHF RFID from the Book, The RF in RFID: Passive UHF RFID in Practice by Daniel M. Dobkin. Order a copy of The RF in RFID: Passive UHF RFID ...

In the previous article, “The principles of RFID: Active Tags,” we discussed a classification of RFID tag called the active tag. Even though the active tag has many applications, it does not get as ...

eWEEK content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More. A Washington-based IP development company is talking up a ...

Active RFID -- No governing standards, being developed -- Transmit energy often in 400 MHz, 900 MHz and 2.45 GHz ranges -- Requires onboard power source with large memory -- Can be read, or written to ...