2BTGJ-A2Childrens video intercom

FCCStatement: Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived,includinginterferencethat maycauseundesiredoperation. ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassB digitaldevice,pursuanttopart15oftheFCCRules.Theselimitsaredesignedto providereasonableprotectionagainstharmfulinterferenceinaresidential installation.This Equipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnot installedandusedinaccordancewiththeinstructions,maycauseharmful interferencetoradio communications.However,thereisnoguaranteethatinterferencewillnotoccurina Particularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioor televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon, theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthe followingmeasures: —Reorientorrelocatethereceivingantenna. —Increasetheseparationbetweentheequipmentandreceiver. —Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthe receiverisconnected. —Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Caution:Anychangesormodificationsnotexpresslyapprovedbytheparty responsibleforcompliancecouldvoidtheuser'sauthoritytooperatethe equipment. ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforan uncontrolledenvironment.Thistransmittermustnotbeco-locatedoroperatingin conjunctionwithanyotherantennaortransmitter.

ShenzhenYingxiniSmartLifeTechnologyCo.,LTD (2025.12.26) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:2BTGJ-A2) [ShenzhenYingxiniSmartLifeTechnologyCo.,LTD](“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibited fromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,theequipmentdoes notutilizecyber-securityoranti-virussoftwarefromKasperskyLab,Inc,oranyofits successorsandassignees,whichisalsoonthe“coveredlist”. Sincerely, (Applicantsignature) (Applicantprintedname)LisaZhou ShenzhenYingxiniSmartLifeTechnologyCo.,LTD (2025.12.26) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:2BTGJ-A2) [ShenzhenYingxiniSmartLifeTechnologyCo.,LTD](“theapplicant”)certifiesthat,asof thedateofthefilingoftheapplication,theapplicantisnotidentifiedontheCovered Listasanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)LisaZhou

ShenzhenYingxiniSmartLifeTechnologyCo.,LTD AgentAuthorizationLetter 2025-12-26 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeShenzhenMostTechnologyServiceCo.,Ltd.toact onourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthe signingofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuse Actof1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, Name:LisaZhou Position:Manager CompanyName:ShenzhenYingxiniSmartLifeTechnologyCo.,LTD Address:No.44,HexiuWestRoad,FuhaiSub-district,Bao'anDistrict, ShenzhenCity,GuangdongProvince,China Tel/Fax13560777831/N/A E-Mail:[email protected]

ShenzhenYingxiniSmartLifeTechnologyCo.,LTD LongTermConfidentialityRequestLetter 2025-12-26 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA RE:CONFIDENTIALITYREQUESTFOR(FCCID:2BTGJ-A2) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459of CFR47.Wehaverequestedthatthe -e.g.Blockdiagram -e.g.SCH -e.g.OperationalDescription requiredtobesubmittedwiththisapplicationbepermanentlywithheldfrompublicreview. Theabovedocumentsarecompanyproprietaryinformationthatcouldnevergetinto thepossessionofyourcompetition. Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, Name:LisaZhou Position:Manager CompanyName:ShenzhenYingxiniSmartLifeTechnologyCo.,LTD Address:No.44,HexiuWestRoad,FuhaiSub-district,Bao'anDistrict, ShenzhenCity,GuangdongProvince,China Tel/Fax13560777831/N/A E-Mail:[email protected]

ModelNo.:A2 PHOTOOFTHEENTIRESAMPLE FRONTVIEWOFSAMPLE ModelNo.:A2 BACKVIEWOFSAMPLE LEFTVIEWOFSAMPLE ModelNo.:A2 RIGHTVIEWOFSAMPLE TOPVIEWOFSAMPLE ModelNo.:A2 BOTTOMVIEWOFSAMPLE

Label： Productname:Children'svideointercom Model：A2 FCCID:2BTGJ-A2 Labellocation

ModelNo.:A2 Page1of3 INTERNALPHOTOOFSAMPLE AntennaLocation INTERNALPHOTOOFSAMPLE ModelNo.:A2 Page2of3 INTERNALPHOTOOFSAMPLEPCB INTERNALPHOTOOFSAMPLEPCB ModelNo.:A2 Page3of3 INTERNALPHOTOOFSAMPLE

Page: 1/11 SHENZHEN STS TEST SERVICES CO., LTD. 1/F, BUILDING 2, ZHUOKE SCIENCE PARK, 190 CHONGQING ROAD FUYONG, BAO’ AN DISTRICT, SHENZHEN,CHINA MVG COMOSAR DOSIMETRIC E-FIELD PROBE SERIAL NO.: SN 08/21 EPGO352 Calibrated at MVG Z.I. de la pointe du diable Technopôle Brest Iroise – 295 avenue Alexis de Rochon 29280 PLOUZANE - FRANCE Calibration date: 09/15/2025 Accreditations #2-6789 Scope available on www.cofrac.fr The use of the Cofrac brand and the accreditation references is prohibited from any reproduction. Summary: This document presents the method and results from an accredited COMOSAR Dosimetric E-Field Probe calibration performed at MVG, using the CALIPROBE test bench, for use with a MVG COMO SAR system only. The test results covered by accreditation are traceable to the International System of Units (SI). COMOSAR E-Field Probe Calibration Report Ref : ACR.95.19.25.BES.A Docusign Envelope ID: 711C3E09-7054-43A0-BF16-C536091746C4 COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref: ACR.95.19.25.BES.A Page: 2/11 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. Name Function Date Signature Prepared by : Pedro Ruiz Measurement Responsible 9/16/2025 Checked & approved by: Jérôme L uc Technical Manager 9/16/2025 Authorized by: Laboratory Director Customer Name Distribution : Shenzhen STS Test Services Co., Ltd. Issue Name Date Modifications A Pedro Ruiz 9/16/2025 Initial release Docusign Envelope ID: 711C3E09-7054-43A0-BF16-C536091746C4 Geraldine Toutain 9/16/2025 COMOSAR E-FIELD PROBE CALIBRATION REPORT Page: 3/11 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. TABLE OF CONTENTS 1 Device Under Test ..................................................................................................... 4 2 Product Description ................................................................................................... 4 2.1 General Information _______________________________________________________ 4 3 Measurement Method ................................................................................................ 4 3.1 Sensitivity _______________________________________________________________ 4 3.2 Linearity ________________________________________________________________ 5 3.3 Isotropy _________________________________________________________________ 5 3.4 Boundary Effect __________________________________________________________ 5 3.5 Probe Modulation Response _________________________________________________ 6 4 Measurement Uncertainty .......................................................................................... 6 5 Calibration Results ..................................................................................................... 6 5.1 Calibration in air __________________________________________________________ 6 5.2 Calibration in liquid _______________________________________________________ 7 6 Verification Results ................................................................................................... 8 7 List of Equipment ...................................................................................................... 9 Docusign Envelope ID: 711C3E09-7054-43A0-BF16-C536091746C4 Ref: ACR.95.19.25.BES.A COMOSAR E-FIELD PROBE CALIBRATION REPORT Page: 4/11 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. 1 DEVICE UNDER TEST Device Under Test Device Type COMOSAR DOSIMETRIC E FIELD PROBE Manufacturer MVG Model SSE2 Serial Number SN 08/21 EPGO352 Product Condition (new / used) Used Frequency Range of Probe 0.15 GHz-7.5GHz Resistance of Three Dipoles at Connector Dipole 1: R1=0.222 M: Dipole 2: R2=0.198 M: Dipole 3: R3=0.191 M: 2 PRODUCT DESCRIPTION 2.1 GENERAL INFORMATION MVG’s COMOSAR E field Probes are built in accordance to the IEC/IEEE 62209-1528 and FCC KDB865664 D01 standards. Figure 1 – MVG COMOSAR Dosimetric E field Probe Probe Length 330 mm Length of Individual Dipoles 2 mm Maximum external diameter 8 mm Probe Tip External Diameter 2.5 mm Distance between dipoles / probe extremity 1 mm 3 MEASUREMENT METHOD The IEC/IEEE 62209-1528 and FCC KDB865664 D01 standards provide recommended practices for the probe calibrations, including the performance characteristics of interest and methods by which to assess their effect. All calibrations / measurements performed meet the fore-mentioned standards. 3.1 SENSITIVITY The sensitivity factors of the three dipoles were determined using a two step calibration method (air and tissue simulating liquid) using waveguides as outlined in the standards for frequency range 600- 7500MHz and using the calorimeter cell method (transfer method) as outlined in the standards for frequency 150-450 MHz. Docusign Envelope ID: 711C3E09-7054-43A0-BF16-C536091746C4 Ref: ACR.95.19.25.BES.A COMOSAR E-FIELD PROBE CALIBRATION REPORT Page: 5/11 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. 3.2 LINEARITY The evaluation of the linearity was done in fr…

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Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, All Test Data Presented in this report is only applicable to presented Test sample. ShenZhen STS Test Services Co.,Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +86-755 3688 6277 E-mail:[email protected] S T L A B S SAR Dipole Performance Measurement Report EUT Type： SAR Validation Dipole and Waveguide Model Name： DIP2G450 Brand Name: SATIMO Test Conclusion： Pass Test Date： 11 Dec. 2024&03 Jul. 2025 Date of Issue： 03 Jul. 2025 Testing Engineer : (Xin.Liu) Technical Manager : (Shifan. Long) Authorized Signatory : (Bovey Yang) ISSUED BY Shenzhen STS Test Services Co., Ltd. Kind of Equipment Manufacturer Type No. Serial No. Last Calibration Calibrated Until PC Acer N/A N/A N/A N/A E-Field Probe MVG SSE2 SN 08/21 EPGO352 2024.09.18 2025.09.17 Dielectric Probe Kit MVG SCLMP SN 32/14 OCPG67 2024.09.18 2025.09.17 Phantom1 MVG SAM SN 32/14 SAM115 N/A N/A Phantom2 MVG SAM SN 32/14 SAM116 N/A N/A Attenuator Agilent 99899 DC-18GHz N/A N/A Directional coupler Narda 4226-20 3305 N/A N/A Network Analyzer Agilent E5071C MY46520378 2024-09-25 2025-09-26 Multi Meter Keithley Multi Meter 2000 4050073 2024-09-25 2025-09-26 Signal Generator Agilent N5182A MY50140530 2024-09-25 2025-09-26 Power Amplifier DESAY ZHL-42W 9638 2024-09-25 2025-09-26 Power Meter R&S NRP 100510 2024-09-25 2025-09-26 Power Sensor R&S NRP-Z11 101919 2024-09-25 2025-09-26 Power Sensor Keysight U2021XA MY56280002 2024-09-25 2025-09-26 Temperature hygrometer SuWei SW-108 N/A 2024.10.15 2025.10.14 Thermograph Elitech RC-4 S/N EF7176501537 2024.10.15 2025.10.14 ISSUED BY Shenzhen STS Test Services Co., Ltd. 2. <Justification of the extended calibration> Referring to KDB 865664 D01, if dipoles are verified in return loss<-20dB, (within 20% of prior calibration), and in impedance (within 5 ohm of prior calibration), the annual calibration is not necessary and the calibration interval can be extended. Head 2450 MHz Date of Measurement Return Loss (dB) Delta (%) Impedance Delta(ohm) 2023.07.04 -26.03 - 46.3 - 2024.07.01 -26.42 1.50 47.25 2.05 2025.07.03 -26.91 3.38 47.4 2.37 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. <Dipole Verification Data> Head 2450 MHz

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. SAR Test Report Report No.: STS2512325H01 Issued for Shenzhen Yingxini Smart Life Technology Co., LTD No. 44, Hexiu West Road, Fuhai Sub-district, Bao District, Shenzhen City, Guangdong Province, China Product Name: Childrens video intercom Brand Name: N/A Model Name: A2 Series Model(s): N/A FCC ID: 2BTGJ-A2 Test Standard: ANSI/IEEE Std. C95.1 FCC 47 CFR Part 2 (2.1093) IEEE Std. 1528-2013 Max. Report SAR (1g) Face up: 0.547 W/kg Back Side: 1.093 W/kg Page 2 of 34 Report No.: STS2512325H01 TEST REPORT CERTIFICATION ................. : Shenzhen Yingxini Smart Life Technology Co., LTD Address ................................. : No. 44, Hexiu West Road, Fuhai Sub-district, Shenzhen City, Guangdong Province, China Manufacturer's Name.......... : Shenzhen Yingxini Smart Life Technology Co., LTD Address ................................. : No. 44, Hexiu West Road, Fuhai Sub-district, Bao 'an District, Shenzhen City, Guangdong Province, China Product description Product name........................ : Childrens video intercom Brand name ......................... : N/A Model name ......................... : A2 Series Model(s) : .................... N/A Standards............................. : ANSI/IEEE Std. C95.1 FCC 47 CFR Part 2 (2.1093) IEEE Std. 1528-2013 The device was tested by Shenzhen STS Test Services Co., Ltd. in accordance with the measurement methods and procedures specified in KDB 865664 The test results in this report apply only to the tested sample of the stated device/equipment. Other similar device/equipmentwill not necessarily produce the same results due to production tolerance and measurement uncertainties. Date of Test...........................................: Date (s) of performance of tests.............: 15 Dec. 2025 Date of Issue..........................................: 24 Dec. 2025 Test Result..............................................:Pass Testing Engineer : (Xin.Liu) Technical Manager : (Shifan. Long) Authorized Signatory : (Bovey Yang) Page 3 of 34Report No.: STS2512325H01 Table of Contents 1. General Information 5 1.1 EUT Description 5 1.2 Test Environment 6 1.3 Test Factory 6 2. Test Standards and Limits 7 3. SAR Measurement System 8 3.1 Definition of Specific Absorption Rate (SAR) 8 3.2 SAR System 8 4. Tissue Simulating Liquids 11 4.1 Simulating Liquids Parameter Check 11 5. SAR System Validation 14 5.1 Validation System 14 5.2 Validation Result 14 6. SAR Evaluation Procedures 15 7. EUT Test Position 16 7.1 Body-worn Position Conditions 16 8. Uncertainty 17 8.1 Measurement Uncertainty 17 9. Conducted Power Measurement 20 9.1 Test Result 20 10. EUT and Test Setup Photo 21 10.1 EUT Photo 21 10.2 Setup Photo 24 11. SAR Result Summary 26 11.1 Body SAR 26 11.2 Repeated SAR 26 11.3 Repeated SAR measurement 26 12. Equipment List 27 Appendix A. System Validation Plots 28 Appendix C. Probe Calibration and Dipole Calibration Report 34 Revision History Page 4 of 34Report No.: STS2512325H01 Rev. Issue Date Report No. Effect Page Contents 00 24 Dec. 2025 STS2512325H01 ALL Initial Issue Page 5 of 34Report No.: STS2512325H01 1. General Information Environmental evaluation measurements of specific absorption rate (SAR) distributions in emulated human head and body tissues exposed to radio frequency (RF) radiation from wireless portable devices for compliance with the rules and regulations of the U.S. Federal Communications Commission (FCC). 1.1 EUT Description Product Name Childrens video intercom Brand Name N/A Model Name A2 Series Model N/A Model Difference N/A Device Category Portable Product stage Production unit RF Exposure Environment General Population / Uncontrolled Hardware Version N/A Software Version N/A Frequency Range WLAN802.11b/g/n20: 2412 MHz ~ 2462 MHz Max. Reported SAR(1g): (Limit:1.6W/kg) Band Mode Face up (W/kg) Back Side (W/kg) DTS 2.4G WLAN 0.547 1.093 Limit 1.6W/kg FCC Equipment Class Digital Transmission System (DTS) Operating Mode: 2.4G WLAN : 802.11b(DSSS):CCK,DQPSK,DBPSK 802.11g(OFDM):BPSK,QPSK,16-QAM,64-QAM 802.11n(OFDM):BPSK,QPSK,16-QAM,64-QAM Antenna Specification: WLAN: External Antenna Hotspot Mode Not Support DTM Mode Not Support Note: 1. The EUT battery must be fully charged and checked periodically during the test to ascertain uniform power Page 6 of 34Report No.: STS2512325H01 1.2 Test Environment Ambient conditions in the SAR laboratory: Items Required Temperature () 18-25 Humidity (%RH) 30-70 1.3 Test Factory ShenZhen STS Test Services Co.,Ltd. 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub- District, District, Shenzhen, Guang Dong, China FCC test Firm Registration No.: 625569 IC Registration No.: 12108A A2LA Certificate No.: 4338.01 Page 7 of 34Report No.: STS2512325H01 2. Test Standards and Limits No. Identity Document Title 1 47 CFR Part 2 Frequency Allocations and Radio Treaty Matters; General Rules and Regulations 2 IEEE Std C95.1, 2019 IEEE Standard for Safety Levels with Respect to Human Exposure to Electric,Magnetic, and Electromagnetic Fields,0 Hz to 300 GHz. It specifies the maximum exposure limit of 1.6 W/kg as averaged over any 1 gram of tissue for portable devices being used within 20 cm of the user in the uncontrolled environment. 3 IEEE Std. 1528-2013 Recommended Practice for Determining the Peak Spatial- Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques 4 FCC KDB 447498 D04 v01 RF Exposure Procedures and Equipment Authorization Policies for Mobile and Portable Devices 5 FCC KDB 865664 D01 v01r04 SAR Measurement 100 MHz to 6 GHz 6 FCC KDB 865664 D02 v01r02 RF Exposure Reporting 10 FCC KDB 248227 D01 Wi-Fi SAR v02r02 SAR Considerations for 802.11 Devices (A). Limits for Occupational/Controlled Exposure (W/kg) Whole-Body …

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ShenzhenMostTechnologyServiceCo.,Ltd. No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark,Nanshan, Shenzhen,Guangdong,China. FCCPART15SUBPARTCTESTREPORT FCCPART15.247 ReportReferenceNo........................: FCCID.................................................: MTEB25120187-R1 2BTGJ-A2 Compiledby (position+printedname+signature) .. :FileadministratorsAlisaLuo Supervisedby (position+printedname+signature)..:TestEngineerSunnyDeng Approvedby (position+printedname+signature) .. : ManagerYvetteZhou Dateofissue ......................................... :Dec.17,2025 RepresentativeLaboratoryName . :ShenzhenMostTechnologyServiceCo.,Ltd. Address.................................................: No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark, Nanshan,Shenzhen,Guangdong,China. Applicant’sname...............................:ShenzhenYingxiniSmartLifeTechnologyCo.,LTD Address ................................................. : No.44,HexiuWestRoad,FuhaiSub-district,Bao'anDistrict, ShenzhenCity,GuangdongProvince,China Testspecification..............................: Standard................................................:FCCPart15.247 TRFOriginator......................................:ShenzhenMostTechnologyServiceCo.,Ltd. ShenzhenMostTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongastheShenzhen MostTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.Shenzhen MostTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamages resultingfromthereader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription........................: Children'svideointercom TradeMark............................................: N/A Model/Typereference.........................: A2 ListedModels......................................: N/A ModulationType .................................. :b:DSSS g/n:OFDM OperationFrequency..........................:From2412MHz~2462MHz Rating ..................................................... : DC3.7VbyBattery DC5VbyUSBPort Hardwareversion.................................:V1.0 Softwareversion.................................:V1.0 Result.....................................................:PASS ReportNo.:MTEB25120187-R1Page 2 of 42 TESTREPORT EquipmentunderTest:Children'svideointercom Model/Type:A2 ListedModels: N/A RemarkN/A Applicant: ShenzhenYingxiniSmartLifeTechnologyCo.,LTD Address: No.44,HexiuWestRoad,FuhaiSub-district,Bao'anDistrict, ShenzhenCity,GuangdongProvince,China Manufacturer:ShenzhenYingxiniSmartLifeTechnologyCo.,LTD Address :No.44,HexiuWestRoad,FuhaiSub-district,Bao'anDistrict, ShenzhenCity,GuangdongProvince,China TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:MTEB25120187-R1Page 3 of 42 Contents 1REVISIONHISTORY...........................................................................................................................4 2TESTSTANDARDS..............................................................................................................................5 3SUMMARY.................................................................................................................................................6 3.1GeneralRemarks..........................................................................................................................................6 3.2ProductDescription.....................................................................................................................................6 3.3EquipmentUnderTest.................................................................................................................................6 3.4ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................6 3.5EUToperationmode.....................................................................................................................................6 3.6BlockDiagramofTestSetup.......................................................................................................................7 3.7TestItem(EquipmentUnderTest)Description*........................................................................................7 3.8AuxiliaryEquipment(AE)Description........................................................................................................7 3.9AntennaInformation*...................................................................................................................................7 3.10RelatedSubmittal(s)/Grant(s).................................................................................................................7 3.11Modifications...............................................................................................................................................8 3.12EUTconfiguration.......................................................................................................................................8 4TESTENVIRONMENT........................................................................................................................9 4.1Addressofthetestlaboratory....................................................................................................................9 4.2TestFacility...................................................................................................................................................9 4.3Environmentalconditions............................................................................................................................9 4.4TestDescription..........................................................................................................................................10 4.5Statementofthemeasurementuncertainty..............................…

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ReportNo.:MTEB25120187-R1Page 37 of 42 In-BandReferenceLevel IEEE802.11g_Channel1_20MHz_Antenna0 OutOfBandEmission IEEE802.11g_Channel1_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11g_Channel1_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11g_Channel6_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11g_Channel6_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11g_Channel11_20MHz_Antenna0 OutOfBandEmission IEEE802.11g_Channel11_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11g_Channel11_20MHz_Antenna0 ReportNo.:MTEB25120187-R1Page 38 of 42 In-BandReferenceLevel IEEE802.11n_Channel1_20MHz_Antenna0 OutOfBandEmission IEEE802.11n_Channel1_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11n_Channel1_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11n_Channel6_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11n_Channel6_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11n_Channel11_20MHz_Antenna0 OutOfBandEmission IEEE802.11n_Channel11_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11n_Channel11_20MHz_Antenna0 ReportNo.:MTEB25120187-R1Page 39 of 42 APPENDIXV.DutyCycle TestResult Mode Data rates ChannelAntenna OnTime (ms) Period (ms) Duty Cycle (%) Duty Cycle (linear) Duty Cycle Factor (dB) 1/T IEEE 802.11b 11 1 1 0.9370.96696.990.96990.13271.0672 60.9370.96697.010.97010.13181.0672 110.9370.96697.010.97010.13181.0672 IEEE 802.11g 54 10.1770.30258.600.58602.3215.6497 60.1770.30258.690.58692.31445.6497 110.1770.30258.700.58702.31365.6497 IEEE 802.11n_20 MCS7 10.1650.29955.150.55152.58456.0606 60.1650.29955.280.55282.57436.0606 110.1650.29955.250.55252.57676.0606 TestGraphs IEEE802.11b_20MHz_Channel1IEEE802.11b_20MHz_Channel6 IEEE802.11b_20MHz_Channel11IEEE802.11g_20MHz_Channel1 IEEE802.11g_20MHz_Channel6IEEE802.11g_20MHz_Channel11 ReportNo.:MTEB25120187-R1Page 40 of 42 IEEE802.11n_20MHz_Channel1IEEE802.11n_20MHz_Channel6 IEEE802.11n_20MHz_Channel11 ReportNo.:MTEB25120187-R1Page 41 of 42 APPENDIXVI.PowerSpectralDensity TestResult ModeChannel PSD (dBm/3kHz) Ant.0 Limit (dBm/3kHz) Limit (dBm/MHz) Result IEEE802.11b 1-1.610 ≤8≤-17.23 PASS 6-3.320PASS 114.170PASS IEEE802.11g 1-14.740PASS 6-15.740PASS 11-15.130PASS IEEE802.11n_20 1-15.400PASS 6-15.140PASS 11-14.620PASS TestGraphs IEEE802.11b_Channel1_20MHz_Antenna0IEEE802.11b_Channel6_20MHz_Antenna0 IEEE802.11b_Channel11_20MHz_Antenna0IEEE802.11g_Channel1_20MHz_Antenna0 IEEE802.11g_Channel6_20MHz_Antenna0IEEE802.11g_Channel11_20MHz_Antenna0 ReportNo.:MTEB25120187-R1Page 42 of 42 IEEE802.11n_Channel1_20MHz_Antenna0IEEE802.11n_Channel6_20MHz_Antenna0 IEEE802.11n_Channel11_20MHz_Antenna0 **********************EndofReport**********************

AntennaTestingReport ProjectOverview PrototypestatusDebuggingmachine DevicetypeChildren'svideointercom NumberofantennasWIFIantenna Frequencyband2400-2500Mhz StructuralstyleFPCantenna EnvironmentadjustmentNochange MatchingmodificationNochange EquipmentList WIFIPassivedata WIFIActivedata

SAR Setup photos for FCC ID: 2BTGJ-A2 Back Side (separation distance is 0mm) Face up (separation distance is 25mm)

ModelNo.:A2 CETESTSETUP RETESTSETUP ModelNo.:A2 RETESTSETUP