Abstract: In this letter, a circularly polarized (CP) vortex antenna based on substrate integrated waveguide (SIW) with magnetoelectric (ME) dipole structure is proposed. An ME-structured CP antenna ...

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Abstract: In this article, an ultrabroadband electromagnetic wave absorber with wide angular stability is proposed. The absorber matrix is formed by multilayers of foams and resistive films with ...

Bluetooth works by sending radio wave signals between devices. Radio waves are electromagnetic waves, which are a type of energy that moves from one place to another. Other kinds of electromagnetic ...