RF Exposure Report

FCC ID: 2APN5-SA001

RF Exposure Info

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FCCID_3897730

Shenzhen BCTC Testing Co., Ltd. FCC ID:2APN5-SA001 RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency Electric Field Magnetic Field Power Average Time 2 Range(MHz) Strength(V/m) Strength(A/m) Density(mW/cm ) (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 11.1 Friis transmission formula: Pd= (Pout*G)\ (4*pi*R2) Where 2 Pd= Power density in mW/cm Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1416 R= distance between observation point and center of the radiator in cm(20cm) 2 Pd the limit of MPE, 1mW/cm . If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. mW=10^(dBm/10)

Shenzhen BCTC Testing Co., Ltd. 11.2 Measurement Result Operation Frequency: WIFI 802.11b/g/n HT20: 2412-2462MHz, 2 Power density limited: 1mW/ cm Antenna Type: PCB Antenna Antenna gain: 1.5dBi, R=20cm mW=10^(dBm/10) 802.11b/g/n: Power Channe conducted conducted Max Antenna Evaluation Tune-up density l Freq. modulation power power tune-up power Gain result power (dBm) Limits (MHz) (mW) (dBm) (dBm) Numeric (mW/cm2 ) (mW/cm2) 2412 802.11b 13.24 11.22 11±1 12 1.413 0.004454 1 2437 802.11b 10.72 10.30 11±1 12 1.413 0.004454 1 2462 802.11b 10.91 10.38 11±1 12 1.413 0.004454 1 2412 802.11g 8.45 9.27 9±1 10 1.413 0.002810 1 2437 802.11g 8.38 9.23 9±1 10 1.413 0.002810 1 2462 802.11g 8.39 9.24 9±1 10 1.413 0.002810 1 802.11n 2412 7.00 8.45 8±1 9 1.413 0.002232 1 H20 802.11n 2437 7.18 8.56 8±1 9 1.413 0.002232 1 H20 802.11n 2462 7.18 8.56 8±1 9 1.413 0.002232 1 H20 simultaneous emission Power density Limits Power density Calculate Evaluation result (mW/cm2 ) Limits (mW/cm2 ) WIFI (mW/cm2) 0.004454 0.004454 1 Conclusion: For the max result : 0.004454≤ 1.0, compliance with FCC's RF Exposure.


Document Created: 2018-06-11 19:13:56
Document Modified: 2018-06-11 19:13:56
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