UWB RF Exposure

FCC ID: 2ADAL-VR7401

RF Exposure Info

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FCCID_4434104

RF EXPOSURE EXHIBIT EQUIPMENT UNDER TEST: UWB DATA COLLECTION DEVICE MODEL NUMBER: VR7401 FCC ID: 2ADAL-VR7401 Integrated power between 10dB points: 0.0327 mW (-14.86 dBm) Page 1 of 3

RF EXPOSURE EXHIBIT Duty Cycle: 0.577% Calculation: Time ‘On’ / (Time ‘On’ + Time ‘Off’) 0.577 ms / (0.577 ms + 99.4 ms) = 0.577% Time ‘On’ Total Time Parameter Observed Value Maximum transmitter on time 0.577 ms Mean transmitter off time ≥ 99.4 ms Page 2 of 3

RF EXPOSURE EXHIBIT Source based time-average power: 0.0001558 mW (-37.25 dBm) Calculation: Integrated power * Duty Cycle 0.033 mW * 0.577% = 0.0001885 mW SAR Exclusion: SAR testing is not required 447498 D01 General RF Exposure Guidance v06 SAR test exclusion calculations Section 4.3: General SAR test exclusion guidance / Section 4.3.1: Standalone SAR test exclusion considerations Select Input Unit correction Units Max Power: -37.25 dBm 0.000188365 Min separation distance: 0 mm 0 Frequency, f: 4 GHz 4000 Value reference Values used Reference number definition Number for Calculation v1 0 mW [max. power of channel, including tune-up tolerance, mW] 'Rounded to nearest mW v2 5 mm [min. test separation distance, mm] 'Rounded to nearest mm v3 2.000 [√f(GHz)] a) For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR, and ≤ 7.5 for 10-g extremity SAR, 1g Exclusion Threshold: 7.5 mW <== 3 * v2 / v3 10g Exlusion Threshold: 18.8 mW <== 7.5 * v2 / v3 The EUT max power is BELOW the threshold. SAR Testing is NOT required for Body applications Conclusions: The EUT max power is BELOW the threshold. SAR Testing is NOT required for Extremity applications Page 3 of 3


Document Created: 2019-09-05 12:14:18
Document Modified: 2019-09-05 12:14:18
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