RFID reader antennas emit electromagnetic radiation (radio waves). If an RFID tag is outside of one full wavelength of the reader, it is said to be in the “far field.” If it is within one full ...

In particular the field of antennas is where you’ll find a lot of their work, because the barrier to entry can be as low as the cost of a reel of wire. In the roof space above the room in which ...

In Chapter 4 we presented a detailed derivation of the coordinate free form of the near-field to far-field transform employing the plane wave spectrum representation ... be utilized in Chapter 9 to ...

[Dereksgc] puts that reputation to the test by building a helical WiFi antenna — and if that weren’t enough — he also subjects it to a field test. In a real field, is there any other way?

Here’s how it works. The best TV antennas are a critical element of any living room. I couldn't live without my TV antenna. It's as important to me as any streaming service because it allows me ...

Explore several of the most common misconceptions about EV batteries and one of the most promising new technologies in the ...

A small rectangular bump under the center of the bottom bezel holds an infrared remote sensor, indicator LEDs, and a ...

We recently installed three new Dielectric antennas at WCLF-TV in Clearwater, and WFGC-TV in Palm Beach, both in Florida, as well as WHNO-TV in New Orleans as part of our ATSC 3.0 deployments.

The Nasa-Isro Synthetic Aperture Radar (Nisar) satellite project has reached a significant milestone with the arrival of its ...