// Calculators › Transmission Lines
Rectangular Waveguide Calculator
Calculate cutoff frequencies, guide wavelength, wave impedance, and phase/group velocity for rectangular waveguide TE and TM modes. Default dimensions: WR-90 (X-band, 8–12 GHz).
// Parameters
mm
mm
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⚠ TM requires m≥1 and n≥1. TE₀₀ does not exist.
// Results
Enter parameters and click Calculate