Friis Transmission Calculator

Calculate received power using the Friis transmission equation. Input transmit power, antenna gains, distance, and frequency to determine received signal strength and free space path loss.

How to Use Friis Transmission Calculator

Enter transmit power in dBm, transmit and receive antenna gains in dBi, distance in meters, and frequency in MHz. Click Calculate to see received power, free space path loss, and wavelength with the full formula breakdown.

Step-by-Step Instructions

  1. Enter transmit power (dBm)
  2. Enter antenna gains (dBi)
  3. Enter distance and frequency
  4. Click Calculate and view results

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