Resolve multi-band simultaneous SAR by calculating exposure ratios and SPLSR to avoid volumetric testing or implement firmware power back-off controls.
Exceeding simple SAR summation thresholds requires peak location separation ratios below 0.04 to avoid multi-thousand-dollar volumetric chamber testing.
Multi-transmitter host permissive changes require vector SAR summation or spatial separation when combined 1g SAR exceeds 1.6 W/kg and SPLSR exceeds 0.04.
Simultaneous transmission SAR evaluation demands spatial ratio summation, proximity sensor backoff calibration, and time-averaged power tracking across radios.
Co-located portable host radios require simultaneous SAR ratio summation or dynamic backoff validation when separation distance drops below twenty centimeters.
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