18_CS158-AF RFExp

FCC ID: 2ARBY-CS158-137-AF

RF Exposure Info

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FCCID_4256394

MPE REPORT FCC ID: 2ARBY-CS158-137-AF Date of issue: Apr. 20, 2019 Report Number: MTi190411E071 Sample Description: Smart Air Fryer Model(s): CS158-AF, CS137-AF Applicant: Arovast Corporation Address: 1202 N Miller St. Suite A, Anaheim, CA 92806, USA Date of Test: Mar. 29, 2019 to Apr. 20, 2019 Shenzhen Microtest Co., Ltd. http://www.mtitest.com This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen Microtest Co., Ltd. Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: mti@51mti.com Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China

- Page 2 of 4 - Report No.: MTi190411E071 TEST RESULT CERTIFICATION Applicant’s name: Arovast Corporation Address: 1202 N Miller St. Suite A, Anaheim, CA 92806, USA Manufacture's Name: Zhejiang Tianxi Kitchen Appliance Co.,Ltd Address: No.1 West 2nd Road, Huzhen Town, Jinyun, Lishui, Zhejiang, China Product name: Smart Air Fryer Trademark: COSORI Model and/or type reference . : CS158-AF Serial Model: CS137-AF RF Exposure Procedures: KDB 447498 D01 v06 This device described above has been tested by Shenzhen Microtest Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Tested by: Demi Mu Apr. 20, 2019 Reviewed by: Blue Zheng Apr. 20, 2019 Approved by: Smith Chen Apr. 20, 2019 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: mti@51mti.com Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China

- Page 3 of 4 - Report No.: MTi190411E071 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) MPE Calculation Method Friis transmission formula: Pd= (Pout*G)\ (4*pi*R2) Where Pd= Power density in mW/cm2 Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1415926 R= distance between observation point and center of the radiator in cm(20cm) Pd the limit of MPE, 1mW/cm2. 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. Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: mti@51mti.com Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China

- Page 4 of 4 - Report No.: MTi190411E071 Measurement Result WIFI: Operation Frequency: WIFI 802.11b/g/n HT20: 2412-2462MHz, Power density limited: 1mW/ cm2 Antenna Type: FPCB Mounted Embedded Antenna; WIFI antenna gain: 2.05 dBi R=20cm mW=10^(dBm/10) antenna gain Numeric=10^(dBi/10)= 10^(2.05/10)=1.60 Power conducted Tune-up Evaluation result at Max Antenna density power power 20cm Channel Limits Freq. modulation tune-up power Gain Power (MHz) (dBm) (dBm) (dBm) (mW) Numeric density(mW/cm2 ) (mW/cm2) Ant A Ant A Ant A Ant A Ant A Ant A 2412 13.88 13±1 14 25.118864 1.60 0.00800 1 2437 802.11b 12.28 13±1 14 25.118864 1.60 0.00800 1 2462 12.73 13±1 14 25.118864 1.60 0.00800 1 2412 9.37 10±1 11 12.589254 1.60 0.00401 1 2437 802.11g 10.31 10±1 11 12.589254 1.60 0.00401 1 2462 10.97 10±1 11 12.589254 1.60 0.00401 1 2412 9.46 10±1 11 12.589254 1.60 0.00401 1 802.11n 2437 10.11 10±1 11 12.589254 1.60 0.00401 1 H20 2462 10.68 10±1 11 12.589254 1.60 0.00401 1 Conclusion: For the max result: 0.00800≤ 1.0 for 1g SAR, No SAR is required. ----END OF REPORT---- Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: mti@51mti.com Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China


Document Created: 2019-04-24 15:37:37
Document Modified: 2019-04-24 15:37:37
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