MPE Calculation

FCC ID: PY318300430

RF Exposure Info

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FCCID_4152857

RF Exposure Report Report No.: SA181101C08 FCC ID: PY318300430 Test Model: AAA Received Date: Nov. 01, 2018 Test Date: Jan. 09, 2019 Issued Date: Jan. 28, 2019 Applicant: NETGEAR, INC. Address: 350 East Plumeria Drive San Jose, CA 95134 Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Hsin Chu Laboratory Lab Address: E-2, No.1, Li Hsin 1st Road, Hsinchu Science Park, Hsinchu City 300, Taiwan R.O.C. Test Location: E-2, No.1, Li Hsin 1st Road, Hsinchu Science Park, Hsinchu City 300, Taiwan R.O.C. FCC Registration / 723255 / TW2022 Designation Number: This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. The report must not be used by the client to claim product certification, approval, or endorsement by any government agencies. Report No.: SA181101C08 Page No. 1 / 7 Report Format Version: 6.1.1 Reference No.:

Table of Contents Release Control Record .................................................................................................................................. 3 1 Certificate of Conformity ...................................................................................................................... 4 2 RF Exposure .......................................................................................................................................... 5 2.1 Limits for Maximum Permissible Exposure (MPE) .............................................................................. 5 2.2 MPE Calculation Formula ................................................................................................................... 5 2.3 Classification ....................................................................................................................................... 5 2.4 Antenna Gain ...................................................................................................................................... 6 2.5 Calculation Result of Maximum Conducted Power ............................................................................. 7 Report No.: SA181101C08 Page No. 2 / 7 Report Format Version: 6.1.1 Reference No.:

Release Control Record Issue No. Description Date Issued SA181101C08 Original release. Jan. 28, 2019 Report No.: SA181101C08 Page No. 3 / 7 Report Format Version: 6.1.1 Reference No.:

1 Certificate of Conformity Product: NIGHTHAWK AX4 AX3000 4-Stream WiFi Router Brand: Netgear Test Model: AAA Sample Status: ENGINEERING SAMPLE Applicant: NETGEAR, INC. Test Date: Jan. 09, 2019 Standards: FCC Part 2 (Section 2.1091) KDB 447498 D01 General RF Exposure Guidance v06 IEEE C95.1-1992 The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s EMC characteristics under the conditions specified in this report. Prepared by : , Date: Jan. 28, 2019 Claire Kuan / Specialist Approved by : , Date: Jan. 28, 2019 May Chen / Manager Report No.: SA181101C08 Page No. 4 / 7 Report Format Version: 6.1.1 Reference No.:

2 RF Exposure 2.1 Limits for Maximum Permissible Exposure (MPE) Frequency Range Electric Field Magnetic Field Power Density Average Time (MHz) Strength (V/m) Strength (A/m) (mW/cm2) (minutes) Limits For General Population / Uncontrolled Exposure 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 30 300-1500 … … f/1500 30 1500-100,000 … … 1.0 30 f = Frequency in MHz ; *Plane-wave equivalent power density 2.2 MPE Calculation Formula Pd = (Pout*G) / (4*pi*r2) where Pd = power density in mW/cm 2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm 2.3 Classification The antenna of this product, under normal use condition, is at least 24cm away from the body of the user. So, this device is classified as Mobile Device. Report No.: SA181101C08 Page No. 5 / 7 Report Format Version: 6.1.1 Reference No.:

2.4 Antenna Gain Antenna Antenna Frequency range Antenna Type Connector Type No. Net Gain (dBi) 3.01 2.4~2.4835GHz 1 Dipole i-pex(MHF) 3.3 5.15~5.85GHz 3.19 2.4~2.4835GHz 2 Dipole i-pex(MHF) 3.38 5.15~5.85GHz Report No.: SA181101C08 Page No. 6 / 7 Report Format Version: 6.1.1 Reference No.:

2.5 Calculation Result of Maximum Conducted Power Evaluation Operation Max Power Antenna Gain Distance Power Density Limit Frequency Mode (mW) (dBi) (cm) (mW/cm2) (mW/cm2) (MHz) WLAN 2.4GHz 2437 671.379 6.11 24 0.37873 1 WLAN 5GHz 5785 920.206 6.35 24 0.54859 1 Note: 2.4GHz: Directional gain = 10 log[(10G0/20 + 10G1/20)2 / 2] =6.11 5GHz: Directional gain = 10 log[(10G0/20 + 10G1/20)2 / 2] =6.35 Conclusion: The formula of calculated the MPE is: CPD1 / LPD1 + CPD2 / LPD2 + ……etc. < 1 CPD = Calculation power density LPD = Limit of power density WLAN 2.4GHz + WLAN 5GHz = 0.37873 / 1 + 0.54859 / 1 = 0.92732 Therefore the maximum calculations of above situations are less than the “1” limit. --- END --- Report No.: SA181101C08 Page No. 7 / 7 Report Format Version: 6.1.1 Reference No.:


Document Created: 2019-01-30 15:45:13
Document Modified: 2019-01-30 15:45:13
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