MPE

FCC ID: ZCBHYIPC-540D04W

RF Exposure Info

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FCCID_1729583

MPE Calculation FCC ID: __ ZCBHYIPC—540D04W RF Exposure Requirements: 47CFR§1.1307(b) RF Radiation Exposure Limits: 47CFR§1.1310 RF Radiation Exposure Guidelines: 47CFR§2.1091 EUT Frequency Band: 2412 — 2462MHz Limits for General Population/Uncontrolled Exposure in the band of. 1500 — 100000MHz Power Density Limit: 1.0mW/cm?; Equation: S=PGMPIR® Where, S=Power Density P=Power Input to Antenna G=Antenna Gain R=distance to the center of radiated antenna For 802.11b—Low Channel (2412MHz): Power=16.81dBm, Antenna Gain=3dBi, Prediction distance 20cm $=(48.0"2.0)/(4"3.14*20*20)=0.0191 mW/cm2 For 802.11g—Mid Channel (2437MHz): Power=15.19dBm, Antenna Gain=3dBi, Prediction distance 20cm $=(33.0"2.0)/(4"3.14*20*20)=0.0131 mW/cm2 For 802.1 1n/HT20— Mid Channel (2437MHz): Power=12.12dBm, Antenna Gain=3dBi, Prediction distance 20cm S=(16.2*2.0)/(4*3.14*20*20}=0.0064 mWicm2 For 802.1 1n/HT40—Low Channe! (2422MHz): Power=10.83dBm, Antenna Gain=3dBi, Prediction distance 20cm S=(12.1*2.0)/(4"3.14*20*20}=0.0048 mW/cm2 Result The above result had shown that device complied with 1.0mW/cm? Power density requirement for distance of 20 cm. 9 s it 7M4 65 9// " Completed By:____ _ ___ Data:___2012—06—08


Document Created: 2012-06-13 06:36:51
Document Modified: 2012-06-13 06:36:51
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