Electrical / Electronics
Free-space path loss
Calculates wavelength and FSPL in linear scale and dB for a supplied propagation speed.
Related calculators
RF link budget
Sums transmitter power, gains and losses in dB/dBm and calculates link margin.
Friis received power
Calculates received power from transmitted power, linear gains, wavelength and distance.
RF wavelength
Calculates wavelength from frequency and velocity factor.
Antenna effective aperture
Calculates antenna effective aperture from linear gain and wavelength.
Antenna length from wavelength fraction
Calculates 1/4, 1/2 or 5/8 wavelength length from frequency and VF.
Coaxial line impedance
Calculates impedance of a homogeneous non-magnetic coaxial line from geometry and dielectric permittivity.