Fresnel Zone Calculator

Calculate Fresnel zone radius for radio wave propagation. Determine clearance requirements for wireless communication links.

Input Parameters

Distance from Transmitter (m)

Distance from Receiver (m)

Frequency (MHz)

Zone Number (n)

Results

Enter values and click Calculate

About Fresnel Zone Calculator

The Fresnel zone is an ellipsoidal region between transmitter and receiver. The radius of the nth Fresnel zone is r = √(nλd₁d₂/d), where λ is wavelength and d₁, d₂ are distances from the zone to each antenna.