RF Power Density Calculator

This calculator calculates RF power density.

The image shows signals going in all directions, which is what the signal pattern of an isotropic antenna looks like.

Output values are rounded to the fourth decimal point.

 

Equation

S = (P*G)/(4*π*r^2)

S = RF Power Density(W/m^2)、P = Transmitting Power(W)、G = Antenna Gain（linear）、r = Distance(m)