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How does an antenna work?

Posted on 09/17/15 by Nicholas Jones

Antennas are one of the marvelous tools that enable our modern life. Most of us have at least one with us constantly, in our phone or tablet. We rely on them pretty much everywhere – at home, in the office, at the airport or hotel and in a bar or restaurant.

Device antennas and tower antennas help bring to us our TV and other video, as well as radio and other audio, information and entertainment, whether delivered by satellite, cellular network, over-the-air broadcast or streamed via wireless Internet.

Yep, we rely heavily on antennas.

So have you ever asked: How does an antenna work anyway? If you have, then you will want to watch this 4-minute video. We ask a guy who designs and tests antennas, Don with weBoost, how antennas work. In the video he explains how an antenna works and why.

I thought I understood pretty well, at least in general terms, how an antenna works, although some of the details were fuzzy. Don’s explanation filled in the gaps for me (before watching the video I didn’t get the concept of current flow).

So whether you’re just curious and want an answer to ‘how do antennas work.’ Or if you want a little background before shopping for the best antenna for your needs, this short video explanation by Don the Antenna Engineer is a good place to start.


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