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

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 https://www.antenna-theory.com/antennas/patches/pifa.php