MPE report

FCC ID: 2ARER-LB126

RF Exposure Info

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FCCID_4488909

Report No: 68.940.19.0039.01A MPE Calculation Applicant: Shenzhen Apeman Innovations Technology Co.,Ltd Address: Building P11, Huanancheng, Longgang District, Shenzhen, China Product: Smart LED Bulb FCC ID: 2ARER-LB126 Model No.: LB126 Reference 68.940.19.0039.01 RF report # According to subpart 15.247(i)and subpart §1.1307(b)(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 level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range Electric Field Magnetic Field Power Density Averaging Time (MHz) Strength (V/m) Strength (A/m) (mW/cm2) (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1,500 / / f/1500 30 1,500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR²= power density (in appropriate units, e.g. mW/cm2); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng Wisdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299

Report No: 68.940.19.0039.01A Calculated Data: Maximum peak output power at antenna input terminal (dBm): 13.89 Maximum peak output power at antenna input terminal (mW): 24.49 Prediction distance (cm): 20 Antenna Gain, typical (dBi): 2 Maximum Antenna Gain (numeric): 1.58 The worst case is power density at predication frequency at 20 cm (mW/cm2): 0.007 MPE limit for general population exposure at prediction frequency (mW/cm2): 1.0 0.007 (mW/cm2) < 1 (mW/cm2) Result: Compliant TUV SUD China, Shenzhen Branch Reviewed by: Prepared By: Laurent Yuan/ EMC Project Manager Henry Chen/EMC Project Engineer Date: 2019-09-23 Date: 2019-09-23 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng Wisdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299


Document Created: 2019-10-14 10:09:29
Document Modified: 2019-10-14 10:09:29
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