FCC vs ISED Canada: Cross-Border RF Safety in Practice
The General Public limits look similar — but the time-averaging windows, occupational definitions, and exclusion-zone conventions differ. A quick map for cross-border programs.
The same shape, different floors#
FCC OET-65 and ISED Canada's Safety Code 6 follow similar curve shapes — both use frequency-dependent power-density limits with two tiers. But the exact values differ at points along the curve, and Canada's limits are tighter in some bands.
Time-averaging#
FCC: 6 min (Occupational), 30 min (General Public). Safety Code 6: 6 min (Controlled), 6 min (Uncontrolled). That single difference can flip a borderline site from compliant to non-compliant when crossing the border.
What to deliver#
For carriers operating in both countries, a single evaluation isn't enough. The FCC ↔ ISED comparator on my tools page shows the limit at any frequency under both regulators, side-by-side.
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