MPE test report

FCC ID: UIDW31

RF Exposure Info

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FCCID_4339990

FCC RADIO EXPOSURE TEST REPORT Report No. : FA842742-03 FCC RADIO EXPOSURE TEST REPORT FCC ID : UIDW31 Equipment : Wireless Router Brand Name : ARRIS Model Name : W31, W30 Applicant : ARRIS 3871 Lakefield Drive Suite 300,Suwanee, Georgia, 30024 United States Manufacturer : ARRIS 3871 Lakefield Drive Suite 300,Suwanee, Georgia, 30024 United States Standard : 47 CFR Part 2.1091 The product was received on Sep. 13, 2018, and testing was started from Sep. 13, 2018 and completed on Jan. 02, 2019. We, SPORTON INTERNATIONAL INC. EMC & Wireless Communications Laboratory, would like to declare that the tested sample has been evaluated in accordance with the procedures given in 47 CFR Part 2.1091 and shown compliance with the applicable technical standards. The report must not be used by the client to claim product certification, approval, or endorsement by TAF or any agency of government. The test results in this variant report apply exclusively to the tested model / sample. Without written approval of SPORTON INTERNATIONAL INC. EMC & Wireless Communications Laboratory, the test report shall not be reproduced except in full. ___________________________________________ Approved by: Sam Chen SPORTON INTERNATIONAL INC. EMC & Wireless Communications Laboratory No. 52, Huaya 1st Rd., Guishan Dist., Taoyuan City, Taiwan (R.O.C.) TEL : 886-3-656-9065 Page Number : 1 of 8 FAX : 886-3-656-9085 Issued Date : Jun. 28, 2019 Report Template No.: CB Ver1.0 Report Version : 01

FCC RADIO EXPOSURE TEST REPORT Report No. : FA842742-03 Table of Contents History of this test report .................................................................................................................................3 Summary of Test Result...................................................................................................................................4 1 General Description .............................................................................................................................5 1.1 EUT General Information .......................................................................................................................5 1.2 Table for Multiple Listing ........................................................................................................................5 1.3 Table for Class II Change.......................................................................................................................6 1.4 Testing Location .....................................................................................................................................6 2 Maximum Permissible Exposure ........................................................................................................7 2.1 Limit of Maximum Permissible Exposure ...............................................................................................7 2.2 MPE Calculation Method ........................................................................................................................7 2.3 Calculated Result and Limit....................................................................................................................8 Photographs of EUT v01 TEL : 886-3-656-9065 Page Number : 2 of 8 FAX : 886-3-656-9085 Issued Date : Jun. 28, 2019 Report Template No.: CB Ver1.0 Report Version : 01

FCC RADIO EXPOSURE TEST REPORT Report No. : FA842742-03 History of this test report Report No. Version Description Issued Date FA842742-03 01 Initial issue of report Jun. 28, 2019 TEL : 886-3-656-9065 Page Number : 3 of 8 FAX : 886-3-656-9085 Issued Date : Jun. 28, 2019 Report Template No.: CB Ver1.0 Report Version : 01

FCC RADIO EXPOSURE TEST REPORT Report No. : FA842742-03 Summary of Test Result Report Ref Std. Result Test Items Remark Clause Clause (PASS/FAIL) 2 - Exposure evaluation PASS - Declaration of Conformity: The test results with all measurement uncertainty excluded are presented in accordance with the regulation limits or requirements declared by manufacturers. Comments and Explanations: The declared of product specification for EUT presented in the report are provided by the manufacturer, and the manufacturer takes all the responsibilities for the accuracy of product specification. Reviewed by: Sam Chen Report Producer: Cindy Peng TEL : 886-3-656-9065 Page Number : 4 of 8 FAX : 886-3-656-9085 Issued Date : Jun. 28, 2019 Report Template No.: CB Ver1.0 Report Version : 01

FCC RADIO EXPOSURE TEST REPORT Report No. : FA842742-03 1 General Description 1.1 EUT General Information RF General Information Frequency Operating Evaluation Range Frequency Modulation Type Mode (MHz) (MHz) 802.11b: DSSS (DBPSK, DQPSK, CCK) 802.11g/n: OFDM (BPSK, QPSK, 16QAM, 64QAM) 802.11ac: OFDM (BPSK, QPSK, 16QAM, 64QAM, 2.4GHz WLAN 2400-2483.5 2412-2462 256QAM, 1024QAM) 802.11ax: OFDMA (BPSK, QPSK, 16QAM, 64QAM, 256QAM, 1024QAM) 802.11a/n: OFDM (BPSK, QPSK, 16QAM, 64QAM) 5150-5250 5180-5250 802.11ac: OFDM (BPSK, QPSK, 16QAM, 64QAM, 5250-5350 5250-5320 5GHz WLAN 256QAM, 1024QAM) 5470-5725 5500-5720 802.11ax: OFDMA (BPSK, QPSK, 16QAM, 64QAM, 5725-5850 5745-5825 256QAM, 1024QAM) BR / EDR: FHSS (GFSK / π/4-DQPSK / 8DPSK) Bluetooth 2400-2483.5 2402-2480 LE: DSSS (GFSK) 1.2 Table for Multiple Listing The model names in the following table are all refer to the identical product. Model Name Color of Device’s Bottom W31 Matte Black W30 Silver From the above models, model name “W31” was selected as representative model for the test and its data was recorded in this report. TEL : 886-3-656-9065 Page Number : 5 of 8 FAX : 886-3-656-9085 Issued Date : Jun. 28, 2019 Report Template No.: CB Ver1.0 Report Version : 01

FCC RADIO EXPOSURE TEST REPORT Report No. : FA842742-03 1.3 Table for Class II Change This product is an extension of original one reported under Sporton project number: FA842742-01 Below is the table for the change of the product with respect to the original one. Modifications Performance Checking 1. Adding the beamforming function for 802.11n/ac/ax. Maximum Permissible Exposure. It doesn't need to verify Maximum 2. Adding Zero-Wait function. Permissible Exposure test. Note: Maximum Permissible Exposure of other modes are based on original test report. 1.4 Testing Location Testing Location HWA YA ADD : No. 52, Hwa Ya 1st Rd., Kwei-Shan Hsiang, Tao Yuan Hsien, Taiwan, R.O.C. TEL : 886-3-327-3456 FAX : 886-3-327-0973 JHUBEI ADD : No.8, Lane 724, Bo-ai St., Jhubei City, HsinChu County 302, Taiwan, R.O.C. TEL : 886-3-656-9065 FAX : 886-3-656-9085 Test site Designation No. TW0006 with FCC. Test site registered number IC 4086D with Industry Canada. TEL : 886-3-656-9065 Page Number : 6 of 8 FAX : 886-3-656-9085 Issued Date : Jun. 28, 2019 Report Template No.: CB Ver1.0 Report Version : 01

FCC RADIO EXPOSURE TEST REPORT Report No. : FA842742-03 2 Maximum Permissible Exposure 2.1 Limit of Maximum Permissible Exposure (A) Limits for Occupational / Controlled Exposure Averaging Time Frequency Range Electric Field Magnetic Field Power Density (S) |E|²,|H|² or S (MHz) Strength (E) (V/m) Strength (H) (A/m) (mW/ cm²) (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 (B) Limits for General Population / Uncontrolled Exposure Averaging Time Frequency Range Electric Field Magnetic Field Power Density (S) |E|²,|H|² or S (MHz) Strength (E) (V/m) Strength (H) (A/m) (mW/ cm²) (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz ; *Plane-wave equivalent power density 2.2 MPE Calculation Method The MPE was calculated at 30 cm to show compliance with the power density limit. The following formula was used to calculate the Power Density: 30 × P × G E2 E (V/m) ＝ Power Density: Pd (W/m²) ＝ d 377 E ＝ Electric field (V/m) P ＝ RF output power (W) G ＝ EUT Antenna numeric gain (numeric) d ＝ Separation distance between radiator and human body (m) The formula can be changed to Pd ＝ 30 × P × G 377 × d 2 TEL : 886-3-656-9065 Page Number : 7 of 8 FAX : 886-3-656-9085 Issued Date : Jun. 28, 2019 Report Template No.: CB Ver1.0 Report Version : 01

FCC RADIO EXPOSURE TEST REPORT Report No. : FA842742-03 2.3 Calculated Result and Limit Exposure Environment: General Population / Uncontrolled Exposure For Radio 1 (WLAN 2.4GHz) Tune-up Tune-up DG Power EIRP Tolerance Distance S S Limit Mode EIRP EIRP 2 2 (dBi) (dBm) (dBm) (dB) (cm) (mW/cm ) (mW/cm ) (dBm) (W) 2.4G;G1D 5.35 29.87 35.22 0.01 35.23 3.33426 30 0.29481 1.00000 For Radio 3 (WLAN 5GHz Band 1~2) Tune-up Tune-up DG Power EIRP Tolerance Distance S S Limit Mode EIRP EIRP 2 2 (dBi) (dBm) (dBm) (dB) (cm) (mW/cm ) (mW/cm ) (dBm) (W) 5.2G;D1D 6.23 29.66 35.89 0.10 35.99 3.97192 30 0.35119 1.00000 5.3G;D1D 6.23 23.73 29.96 0.03 29.99 0.99770 30 0.08821 1.00000 For Radio 2 (WLAN 5GHz Band 3~4) Tune-up Tune-up DG Power EIRP Tolerance Distance S S Limit Mode EIRP EIRP 2 2 (dBi) (dBm) (dBm) (dB) (cm) (mW/cm ) (mW/cm ) (dBm) (W) 5.6G;D1D 6.93 23.02 29.95 0.04 29.99 0.99770 30 0.08821 1.00000 5.8G;D1D 6.93 29.03 35.96 0.03 35.99 3.97192 30 0.35119 1.00000 For Radio 4 (Bluetooth) Tune-up Tune-up DG Power EIRP Tolerance Distance S S Limit Mode EIRP EIRP 2 2 (dBi) (dBm) (dBm) (dB) (cm) (mW/cm ) (mW/cm ) (dBm) (W) 2.4G;BT-BR 4.12 2.95 7.07 0.50 7.57 0.00571 30 0.00050 1.00000 2.4G;BT-LE 4.12 2.72 6.84 0.50 7.34 0.00542 30 0.00047 1.00000 Simultaneous Transmission Analysis Mode: Radio 1 (WLAN 2.4GHz) + Radio 3 (WLAN 5GHz Band 1~2) + Radio 2 (WLAN 5GHz Band 3~4) + Radio 4 (Bluetooth) Tune-up Tune-up DG Power EIRP Tolerance Distance S S Limit Ratio Mode EIRP EIRP 2 2 (dBi) (dBm) (dBm) (dB) (cm) (mW/cm ) (mW/cm ) (S/Limit) (dBm) (W) 2.4G;G1D 5.35 29.87 35.22 0.04 35.26 3.35738 30 0.29685 1.00000 0.29685 5.2G;D1D 6.23 29.66 35.89 0.10 35.99 3.97192 30 0.35119 1.00000 0.35119 5.8G;D1D 6.93 29.03 35.96 0.03 35.99 3.97192 30 0.35119 1.00000 0.35119 2.4G;BT-BR 4.12 2.95 7.07 0.50 7.57 0.00571 30 0.00050 1.00000 0.00050 Sum Ratio 0.99974 Ratio Limit 1 ─────THE END───── TEL : 886-3-656-9065 Page Number : 8 of 8 FAX : 886-3-656-9085 Issued Date : Jun. 28, 2019 Report Template No.: CB Ver1.0 Report Version : 01


Document Created: 2019-07-12 18:56:18
Document Modified: 2019-07-12 18:56:18
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