How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
First Fresnel-zone radius
sqrt(299792458/frequency*d1*d2/(d1+d2))Fresnel Zone Calculator
First Fresnel-zone approximation for a straight radio link.
First Fresnel-zone approximation for a straight radio link.
Result
Enter your values and run the tool to see your result.