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Which risk increases when transmitting data using millimeter waves near conductive structures?

A)Signal impedance mismatch
B)Increased phase modulation index
C)Reduced signal bandwidth
D)Lower thermal noise floor

💡 Explanation

Reflection and scattering increase near conductive structures interacting with waves; this induces destructive interference because the reflection coefficient changes rapidly near discontinuities, therefore, a strong signal impedance mismatch arises, rather than phase changes, decreased bandwidth, or noise effects.

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