Calculation of the Electric Field Intensity & the Received Power in free-space
*Antenna gain for a λ/2 dipole antenna or λ/4 ground antenna (monopole antenna) is a fixed value.
*Clicking on the image displays an analysis line.
< Formula >
Electric field intensity formula
Effective area formula
Received power formula: Friis' transmission formula
*Please use the results of the calculation as a reference value.