Tag Archives: gain

How Your Wifi Antenna Does What it Does

Most of the people I have spoken to lately have had a minor misunderstanding about how their wireless antennas actually work. Everyone gets the part about “extending the range of the signal” correct but it is usually incorrectly attributed to active gain instead of passive gain. In the picture, below, you can see a flashlight bulb, and a flashlight. These two items can serve as pretty decent analogies for how your standard omni-directional and directional antennas work.

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