18_G61 RFExp

FCC ID: PRDMU69

RF Exposure Info

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FCCID_4101618

Dongguan Nore Testing Center Co., Ltd. Report No.: NTC1811322F-1 FCC ID: PRDMU69 RF EXPOSURE EVALUATION EUT Specification EUT Wireless Mouse Model Name G61, ONA19HO006, ONA19HO046 Frequency band 2.405GHz ~ 2.470GHz (Operating) WLAN: 5.18GHz ~ 5.32GHz / 5.50GHz ~ 5.70GHz WLAN: 5.745GHz ~ 5825GHz Others(2402-2480MHz) Device category Portable (<20cm separation) Mobile (>20cm separation) Others ___ Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Max. output power 70.38dBuV/m (-24.88dBm)(0.003mW) Antenna gain -2.4dBi Evaluation applied MPE Evaluation SAR Evaluation Standard Requirement Portable Device According to §15.247(i) and §1.1307b(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess of the Commission’s guidelines. See KDB 447498 D01 General RF Exposure Guidance v05, section 4.3.1. 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,16 where ·f(GHz) is the RF channel transmit frequency in GHz ·Power and distance are rounded to the nearest mW and mm before calculation17 ·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 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion.

Dongguan Nore Testing Center Co., Ltd. Report No.: NTC1811322F-1 FCC ID: PRDMU69 Measurement Result Channel Max Output Max Output Threshold Frequency Max Output Calculation Value power power power (mW) Value (Note 1) (MHz) (dBuV/m) (dBm) 2405 70.38 -24.88 0.003 0.0010 3 2430 65.38 -29.88 0.001 0.0003 3 2470 67.38 -27.88 0.002 0.0005 3 EIRP=E-104.8+20logD= 70.38 -104.8+20log3= -24.88 dbm Note 1: Calculation Value =[(max. power of channel, mW)/(min. test separation distance, mm)] ·[√f(GHz)]. Fox example: 0.003*√2.405/5=0.001 ≤ 3.0 According to KDB447498 D01 V05, threshold at which no SAR required is ≤3.0 for 1-g SAR, separation distance is 5mm, and no SAR measurement is required. The SAR measurement is not necessary.


Document Created: 2018-12-10 14:30:12
Document Modified: 2018-12-10 14:30:12
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