RF Exposure report

FCC ID: 2ANDLTYGWBS-01

RF Exposure Info

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FCCID_4444763

MPE Test Report Report No.: ARFR-19AU0427VTSHPB-3 FCC ID: 2ANDLTYGWBS-01 Product: BLEMESH(SIG) Gateway Model: TYGWBS-01;TYGWBS-01N Received Date: Aug.06, 2019 Test Date: Aug.06 to Aug.15, 2019 Issued Date: Aug.20, 2019 Applicant: Hangzhou Tuya Information Technology Co., Ltd Address: Room701, Building3, More Center,No.87 GuDun Road, Hangzhou, Zhejiang, China Manufacturer: Hangzhou Tuya Information Technology Co., Ltd Address: Room701, Building3, More Center,No.87 GuDun Road, Hangzhou, Zhejiang, China Issued By: BUREAU VERITAS ADT (Shanghai) Corporation Lab Address: No. 829, Xinzhuan Road, Shanghai, P.R.China (201612) 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 TAF or any government agencies. Report No.: ARFR-19AU0427VTSHPB-3 Page No. 1 / 7 Report Format Verision: 6.1.1

Table of Contents Release Control Record ................................................................................................................................ 3 1 Certificate of Conformity ............................................................................................................................. 4 2 General Information ................................................................................................................................... 5 2.1 General Description of EUT ................................................................................................................. 5 3 RF Exposure .............................................................................................................................................. 7 3.1 Limits For Maximum Permissible Exposure (MPE) ............................................................................... 7 3.2 MPE Calculation Formula .................................................................................................................... 7 3.3 MPE Calculation Formula .................................................................................................................... 7 3.4 Calculation Result of Maximum Permissible Exposure ......................................................................... 7 Report No.: ARFR-19AU0427VTSHPB-3 Page No. 2 / 7 Report Format Verision: 6.1.1

Release Control Record Issue No. Description Date Issued ARFR-19AU0427VTSHPB-3 Original release Aug.20, 2019 Report No.: ARFR-19AU0427VTSHPB-3 Page No. 3 / 7 Report Format Verision: 6.1.1

veRiras 1 Certificate of Conformity Product: BLEMESH(SIG) Gateway Brand: —— Model: TYGWBS—01; TYGWBS—01N Applicant: Hangzhou Tuya Information Technology Co., Ltd Test Date: Aug.06 to Aug.15, 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 ADT (Shanghai) Corporation, 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 : g= {" Will YAN , Date: Aug.20, 2019 Project Engineer 2| \ Approved by : , Date: Aug.20, 2019 \_Daniel SUN RE Supervisor Report No.: ARFR—19AUOA427VTSHPB—3 Page No. 4 / 7 Report Format Verision: 6.1.1

2 General Information 2.1 General Description of EUT WiFi Product BLEMESH(SIG) Gateway Brand -- Test Model TYGWBS-01;TYGWBS-01N Model Difference -- Power Rating 5VDC/1A with adaptor 100-240V~,50/60Hz CCK, DQPSK, DBPSK for DSSS Modulation Type 64QAM, 16QAM, QPSK, BPSK for OFDM Modulation Technology DSSS, OFDM Operating Frequency See clause 3.2 Number of Channel See clause 3.2 Antenna Type PCB Antenna Antenna Connector -- Antenna Gain 2.5dBi Report No.: ARFR-19AU0427VTSHPB-3 Page No. 5 / 7 Report Format Verision: 6.1.1

BLE Product MESH(SIG) Brand -- Test Model TYGWBS-01; TYGWBS-01N Model Difference -- Power Rating 5VDC/1A with adaptor 100-240V~,50/60Hz Modulation Type GFSK Modulation Technology Bluetooth Low Energy 4.2&5.0 Operating Frequency 2402 ~ 2480MHz Number of Channel 40 Antenna Type PCB Antenna Antenna Connector -- Antenna Gain 2.5dBi Note: For more details, please refer to the User’s manual of the EUT. Report No.: ARFR-19AU0427VTSHPB-3 Page No. 6 / 7 Report Format Verision: 6.1.1

3 RF Exposure 3.1 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 300-1,500 - - F/1500 30 1,500-100,000 - - 1.0 30 F = Frequency in MHz 3.2 MPE Calculation Formula Power density (S) is calculated according to the formula: S = PG / (4πR²) Where S = power density in mW/cm² P = transmit power in mW G = numeric gain of transmit antenna (numeric gain=Log-1(dB antenna gain/10)) R = distance (cm) 3.3 MPE Calculation Formula The antenna of this product, under normal use condition, is at least 20cm from the body of the user. So the device is classified as Mobile Device. 3.4 Calculation Result of Maximum Permissible Exposure Max. Frequency Antenna Gain Distance Power Density Limit Conducted Band output (dBi) (cm) (mW/cm2) (mW/cm2) (MHz) power(dBm) WLAN 2.4GHz 2412-2462 16.31 2.5 20 0.015134 1 BLE 2402-2480 8.49 2.5 20 0.002500 1 Conclusion: The calculation result of MPE is less than the limit. --- END --- Report No.: ARFR-19AU0427VTSHPB-3 Page No. 7 / 7 Report Format Verision: 6.1.1


Document Created: 2019-09-16 08:13:36
Document Modified: 2019-09-16 08:13:36
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