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Effective Isotropic Radiated Power

Compute EIRP from conducted transmitter power, antenna gain, and feed loss.

Inputs

Inputs

Range: -30–80 dBm

Enter conducted transmitter power in dBm at the antenna feed reference plane.

Range: -10–60 dBi

Enter antenna gain in dBi for the evaluated direction and frequency.

Range: 0–40 dB

Enter total feed, connector, and passive loss in dB between transmitter and antenna; avoid double counting.

Result

EIRP (W)
39.810717
EIRP (dBm)
46.000

Formula

Calculation logic

Formula definitions and substituted values.

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Screening tool. Verify the result against the manufacturer's published rating, the actual equipment, route, floor, and applicable local requirements before ordering, installing, or relying on it.