2BTRI-P9Security Camera

DaTuoElectronicIndustrialCo.Limited U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Dec.24,25 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID:2BTRI-P9 Address: 16755CoyoteBushDrUnit84,SanDiego,CA92127UnitedStates Signature [DaTuoElectronicIndustrialCo.Limited](“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,[HOPEKCORPORATIONINC](“theagent”)isourdesignatedU.S.agentfor serviceofprocessfortheabovereferenceFCCID.Theapplicantacceptstomaintainanagentfor serviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., ortheconclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingthe equipment,whicheverislater.Theapplicantfurtheracknowledgesitisourresponsibilitytoinform theFCCwhenevertheagentinformationchanges. [ HOPEKCORPORATIONINC ]("theagent)understanditistheagent'sobligationtoacceptserviceof processintheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddress. DesignatedU.S.Agent CompanyName:HOPEKCORPORATIONINC FRN:0034562900 GC:N/A : ContactPerson: PeterDavis Tel: 561-235-6113 Email:H [email protected] Applicant CompanyName:DaTuoElectronicIndustrialCo.Limited Address:No.125,HeDongCenterRoad,Yanbu, NanHaiDistrict,FoshanCity,China FRN:0037764099 Signature: ContactPerson:DavidWu Tel:18934333732Email:[email protected]

(Da Tuo Electronic Industrial Co. Limited) (December 19, 2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BTRI-P9)) [Da Tuo Electronic Industrial Co. Limited] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, (Applicant signature) (Applicant printed name) David Wu (Da Tuo Electronic Industrial Co. Limited) (December 19, 2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BTRI-P9) [Da Tuo Electronic Industrial Co. Limited] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) David Wu

Da Tuo Electronic Industrial Co. Limited Model Difference Data: December 19, 2025 Product description: Security Camera Model name: P9, DTP9, DTN8, DTTQ9, DTL1, DTA28, DTQ5, DTVTS28, DTSC29, DTU698, DTY07, DTPC258, DTK12, DTS56, DT**********(*could be 0-9,a-z,A-Z,+-,/,or blank) Trade Name: DATUOSECU FCC ID: 2BTRI-P9 The product only the model name and color is different, and the other parts such as the circuit principle, pcb and electrical structure are the same. Regards Sincerely Client’s signature: Client’s name / title: David Wu (Manager) Contact information / address: No. 125, HeDong Center Road, Yanbu, NanHai District, Foshan City, China

Da Tuo Electronic Industrial Co. Limited ( December 19, 2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Security Camera / P9, DTP9, DTN8, DTTQ9, DTL1, DTA28, DTQ5, DTVTS28, DTSC29, DTU698, DTY07, DTPC258, DTK12, DTS56, DT**********(*could be 0-9,a-z,A-Z,+-,/,or blank) / FCC ID: 2BTRI-P9) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☒ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: David Wu Title: Manager

Da Tuo Electronic Industrial Co. Limited (December 19, 2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize ( Shenzhen DACE Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: David Wu Title: Manager

External Appendix FCC ID: 2BTRI-P9 Model: P9 ANT

FCC ID LABEL: Label Location: Security Camera Model：P9 FCC ID：2BTRI-P9 Da Tuo Electronic Industrial Co. Limited

Da Tuo Electronic Industrial Co. Limited FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BTRI-P9 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (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 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (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 Da Tuo Electronic Industrial Co. Limited MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Mode Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 2.4G WIFI 802.11n40 &2422 17±1 18 63.0957 1.9953 (3dB) 0.02506 1 Pass

版本：A1 客户 : 品名规格 DESCRIPTION: 料号 PARTNO.： 客户料号 CUSPARTNO.： 日期 DATE： 呈样签章: 工程 ENGINEERINGDEPARTMENT 品保 QCDEPARTMENT 业务 SALESDEPARTMENT 客户承认签章: 工程 ENGINEERINGDEPARTMENT 品保 QCDEPARTMENT 采购 PURCHASINGDEPARTMENT ж客户确认样品附意栏： 承认书 APPROVAL 真天线2.4-5.8G 2.4-5.8G 2.4-5.8G 2.4-5.8G出线100mm 100mm 100mm 100mm 2025-2-12 电器技术参数 电性能指标 ElectricalSpecifications 频率范围 2400/5800MHZFrequencyRange2400/5800MHZ 电压驻波比 ≤2.0 VSWR ≤2.0 增益 3dBiGAIN3dBi 输入阻抗 50ΩInputImpedance50Ω 机械指标 MechanicalSpecifications 天线颜色 白色 AntennaColorWHITE 接口形式 IPEXInputconnectorIPEX 天线长度 100mmCablelength100mm 工作温度 -40°C~+85°C WorkingTemperature -40°C~+85°C 工作湿度 20~80%WorkingHumidity20~80% 产品图片： 工程图 环境性能测试 : : : : 项目测试条件规格 储存环境 在没有指定的情况下测试温度、湿度、气压如下： 1.温度为-30°C～+80°C 2.相对湿度为45%-85% 3.气压为86kpa-106kpa 电气机械性能正常 高低温试验 在70°C与40°C之间进行5次循环，然后在正常条件下 1-2H，检查外观质量。 尺寸应满足规定并应 满足满足 于机械、电气性能 耐恒定湿热 试验 相对湿度95±3%，试验温度：40°C.持续2H作用后， 试品取出后5min之内测定电气性能，试品在正常条 件下1-2H，检查外观质量 尺寸应满足规定并应 满足满足 于机械、电气性能 振动试验 振频范围10-55HZ，位移幅值：0.35MM，加速度幅值： 50.0M/S，扫频循环次数：30次 电气机械性能正常 跌落试验1M高空按照互相垂直的轴方向自由跌落3次电气机械性能正常 100MM 网络分析测试：

V1.0ReportNo.:DACE251112025RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 1 of 95 RFTESTREPORT For DaTuoElectronicIndustrialCo.Limited ProductName:SecurityCamera TestModel(s):P9 ReportReferenceNo.:DACE251112025RL001 FCCID:2BTRI-P9 Applicant’sName:DaTuoElectronicIndustrialCo.Limited Address: No.125,HeDongCenterRoad,Yanbu,NanHaiDistrict,FoshanCity, China TestingLaboratory:ShenzhenDACETestingTechnologyCo.,Ltd. Address: 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark, TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China TestSpecificationStandard:47CFRPart15.247 DateofReceipt:November12,2025 DateofTest:November12,2025toNovember29,2025 DataofIssue:November29,2025 Result:Pass Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofShenzhenDACE TestingTechnologyCo.,Ltd.ThisdocumentmaybealteredorrevisedbyShenzhenDACETestingTechnology Co.,Ltd.personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthe reportonlyapplytothetestedsample V1.0ReportNo.:DACE251112025RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 2 of 95 Applyforcompanyinformation Applicant’sName:DaTuoElectronicIndustrialCo.Limited Address:No.125,HeDongCenterRoad,Yanbu,NanHaiDistrict,FoshanCity, China ProductName:SecurityCamera TestModel(s):P9 SeriesModel(s):DTP9,DTN8,DTTQ9,DTL1,DTA28,DTQ5,DTVTS28,DTSC29, DTU698,DTY07,DTPC258,DTK12,DTS56,DT**********(*couldbe0- 9,a-z,A-Z,+-,/,orblank) TestSpecificationStandard(s):47CFRPart15.247 NOTE1: Themanufacturershouldensurethatallproductsinseriesproductionareinconformitywiththeproductsampledetailedin thisreport.Iftheproductinthisreportisusedinanyconfigurationotherthanthatdetailedinthereport,themanufacturer mustensurethenewsystemcomplieswithallrelevantstandards. Compiledby: Supervisedby: Approvedby: LucyMo/TestEngineerBenTang/ProjectEngineerTomChen/Manager November29,2025November29,2025November29,2025 V1.0ReportNo.:DACE251112025RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 3 of 95 RevisionHistoryOfReport VersionDescriptionREPORTNo.IssueDate V1.0OriginalDACE251112025RL001November29,2025 V1.0ReportNo.:DACE251112025RL001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 4 of 95 CONTENTS 1TESTSUMMARY...................................................................................................................................................6 1.1TESTSTANDARDS........................................................................................................................................6 1.2SUMMARYOFTESTRESULT.........................................................................................................................6 2GENERALINFORMATION....................................................................................................................................7 2.1CLIENTINFORMATION..................................................................................................................................7 2.2DESCRIPTIONOFDEVICE(EUT)..................................................................................................................7 2.3DESCRIPTIONOFTESTMODES....................................................................................................................8 2.4DESCRIPTIONOFSUPPORTUNITS................................................................................................................8 2.5EQUIPMENTSUSEDDURINGTHETEST........................................................................................................9 2.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................11 2.7IDENTIFICATIONOFTESTINGLABORATORY.................................................................................................11 2.8ANNOUNCEMENT........................................................................................................................................11 3EVALUATIONRESULTS(EVALUATION)...........................................................................................................12 3.1ANTENNAREQUIREMENT............................................................................................................................12 3.1.1Conclusion:.................................................................................................................................12 4RADIOSPECTRUMMATTERTESTRESULTS(RF).........................................................................................13 4.1CONDUCTEDEMISSIONATACPOWERLINE................................................................................................13 4.1.1E.U.T.Operation:........................................................................................................................13 4.1.2TestSetupDiagram:...................................................................................................................13 4.1.3TestData:...................................................................................................................................14 4.26DBBANDWIDTH.......................................................................................................................................16 4.2.1E.U.T.Operation:....................................................................................…

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Setup Appendix FCC ID: 2BTRI-P9 Model: P9