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Jiaxing yu heng mao yi you xian gong si JXYHMY52 Wireless earphone 2BGL9-JXYHMY52 2BGL9JXYHMY52 jxyhmy52

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FCC RF Exposure
EUT Description:Wireless earphone Test type.:M52 Series modelM51,M53, M54, M55, M56, M57, M58, M59, M60, M61, M62, M63, M64, M65 FCC ID: 2BGL9-JXYHMY52 Equipment type: Portable Device

1. Test Procedure According to KDB 447498 D01 General RF Exposure Guidance v06

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,wheref(GHz) is the RF channel transmit frequency in GHz
Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison

The test exclusions are applicable only when the minimum test separation distance is  50 mm and for transmission frequencies between 100 MHz and 6GHz.
When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion.

2. Test Result of RF Exposure Evaluation

Mode GFSK

Maximum

Antenna

Channel Freq. (MHz)

Conducted Output
Power(PK)

Antenna Gain (dBi)

gain

numeric

Max tuneup power

(dBm)

(W)

2402

2.44

2.78

1.90

0.00175388

2441

2.38

2.78

1.90

0.001072981

2480

2.40

2.78

1.90

0.00173780

BT:[(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance,mm)] · [f(GHz)]=1.75388/5*2.441=0.545513.0 Threshold at which no SAR required is and  3.0 for 1-g SAR, Separation distance is 5mm. Conclusion:no SAR required

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