Power Density Calculator
Calculate RF power density at a given distance from an antenna. Uses the formula S = PยทG/(4ฯrยฒ) with support for multiple power and distance units. Includes safety limit comparison.
How to Use Power Density Calculator
Enter transmit power and select unit (W, kW, mW, dBm). Enter antenna gain in dBi. Enter distance and select unit (m, km, ft, mi). Click Calculate to see power density, electric field strength, EIRP, and FCC safety limit comparison.
Step-by-Step Instructions
- Enter transmit power and unit
- Enter antenna gain in dBi
- Enter distance and unit
- Click Calculate Power Density
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