18_BS222GB RFExp

FCC ID: 2AIXN-BS222GB

RF Exposure Info

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FCCID_4269587

RF EXPOSURE EVALUATION

1. PRODUCT INFORMATION

Product Description TWS Bluetooth Headset

BS222GB, BS188GB, BS249GB, BS188GB-1, BS188GB-2,
Model Name
BS222GB-1, BS249GB-1, BS222GB-2

FCC ID 2AIXN-BS222GB

2. EVALUATION METHOD

According to 447498 D01 General RF Exposure Guidance v05
The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation
distances ≤ 50 mm are determined by:
[(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.
Where f(GHz) is the RF channel transmit frequency in GHz
Power and distance are rounded to the nearest mW and mm before calculation

3. CALCULATION

Pt=-0.091dBm=1.02mW

The value of the Maximum output power Pt is referred to the test report of the CFR47
§15.247.

The result for RF exposure evaluation SAR=(1.02mW /5mm) .[√2.402(GHz)]= 0.32<3.0
for 1-g SAR and ≤ 7.5 for 10-g extremity SAR.

4. CONCLUSION

The SAR evaluation is not required.

Document Created: 2019-05-09 22:40:51
Document Modified: 2019-05-09 22:40:51

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