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dcow
8 months ago
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FCC opens entire 6 GHz band to low power device op...
Have you seen modern cell and wifi antennas? The wavelength of wifi is 11cm so you make a quarter wave antenna and print it right on to the board [1].
1.
https://www.antenna-theory.com/antennas/patches/pifa.php
Dylan16807
8 months ago
[–]
"below 300MHz" means a wavelength of at least a meter.
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1. https://www.antenna-theory.com/antennas/patches/pifa.php