Yagi Antennas focus the transmit and receive power in a single direction. They are most useful for very weak mobile signal areas like home, office, farmhouses, factories in remote locations.
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The word is the name of one of the Japanese inventors of these directional antennas. The other inventor's name was Uda so in technical circles these are Uda-Yagi antennas in honor of the inventor team. The invention is from the early 1900s.




