: As a rigid, hollow metal tube, a waveguide cannot be bent like a cable. Instead, engineered junctions are used to change the direction of a signal path. An E‑plane bend changes direction in the plane of the electric field, while an H‑plane bend does so in the plane of the magnetic field. A twist rotates the polarization of the wave by physically rotating the waveguide's cross-section.
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: A waveguide crossguide coupler like the PEWCP1061 offers a precise 40 dB coupling factor. Its datasheet will provide vital graphs showing coupling flatness and directivity across its band, allowing an engineer to accurately predict how much power will be sampled from the main line. : As a rigid, hollow metal tube, a