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Electromagnetics waves
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Wave length can be calculated with the active calculator.

Relative permeability μr :
Relative permittivity εr :
Frequency f : [Hz]
Wave length in free space λ0 : [mm]
Wave length λg : [mm]

Physical criterion Geometrical criterion Convention
Antenna Diameter D : [mm] Rrf : [mm]
Rfa : [mm]
Rff : [mm]
[wave propagation]