the invention relates to a resonant antennamicrowave wave length, which comprises a ringthe device determines the wavelength guided in the air.the ring (22) is labyrinth slots (46, 48). thesehave a substantially radial parts (50) such thatin general, they do not produce a disruptive fieldthe circular polarization of a signal to be broadcast.such an antenna is suitable for the miniaturization. sheis omidirectionnelle on a wide angle with a high degree ofpurity of circular polarization.
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