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American Certification Body


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FCC Rule Part Limit Calculator
Enter your values in fields that are highlighted yellow. Then click the Calculate button below.
Enter Frequency Fundamental Limit Fundamental Limit
MHz uV/m dBuV/m
Spurious Limit Spurious Limit Maximum measured frequency
uV/m dBuV/m MHz

This calculation is for a 3 meter limit.

Minimum measured frequency is either the fundamental or 30MHz, whichever is lower.

Disclaimer: This page presents calculators and tools. They are meant to illustrate concepts only. If there are any discrepancies between the values calculated in this program and that of the FCC rule parts the FCC rule parts will always take precedence.

Note: The field strength of the fundamental emission must be higher than all harmonics. Carriers in restricted bands (FCC Rule Part 15.205) are not allowed.

More: Visit the FCC site for more information about FCC Rule Part 15.231a

FCC 15.231a 1 of 2

FCC 15.231a 2 of 2

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