APIJBLBBTRIOBluetooth speaker

Harman International Industries, Inc Covered Equipment Certification Attestation Letter 2025-09-16 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID:APIJBLBBTRIO Harman International Industries, Inc (“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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Harman International Industries, Inc (“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. Harman International Industries, Inc (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA -24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2025-09-16

Harman International Industries, Inc U.S. Agent Designation for Service of Process - Certification Attestation Letter Harman International Industries, Inc 8500 Balboa Boulevard, Northridge, CA 91329, United States Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA 2025-09-16 Attestation Statement according to 2.911(d)(7) FCC ID: APIJBLBBTRIO TO WHOM IT MAY CONCERN: We, Harman International Industries, Inc designate ourselves to act as U.S. agent for service of process. Harman International Industries, Inc hereby acknowledges the obligation of the U.S. agent for service of process. Further Harman International Industries, Inc accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Sincerely Applicant Signed/ Designated Agent Signed: Signature: Company name: Harman International Industries, Inc FRN: 0024748147 Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Contact Person: Terry Shi Telephone No: 86-75523189391 Email: [email protected]

Harman International Industries, Inc 2025-09-16 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appoint Damon Hu, Guangdong Dongdian Testing Service Co.,Ltd.( Unit 2, Building 1, No.17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808), to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in FCC regulations will have affixed to it a label identical to that submitted for approval with this application. In signing this letter, Applicant certifies that neither the applicant nor any party to the application is not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko North America Inc., still resides still resides with us. Sincerely, Printed name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2025-09-16

Harman International Industries, Inc 2025-09-16 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY – FCC FCC ID: APIJBLBBTRIO Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☒ Short Term Internal Photos ☐ Permanent* ☒ Short Term Operation Description ☒ Permanent ☐ Short Term Parts List & Placement/BOM ☒ Permanent ☐ Short Term Tune-Up Procedure ☐ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐ Short Term Test Setup Photos ------------------ ☒ Short Term User’s Manual ☐ Permanent* ☒ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Printed name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2025-09-16

Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE25042508-1E09 TRF No.: RT-4-E-02-601 FCC SAR Test Report Ver.1.1 Page 1 of 29 FCC AND ISED SAR TEST REPORT Applicant : Harman International Industries, Inc. Address of Applicant : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Manufacturer : Harman International Industries, Inc. Address of Manufacturer : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Equipment under Test : Bluetooth Speaker Model No. : BANDBOX TRIO FCC ID : APIJBLBBTRIO IC : 6132A-JBLBBTRIO Test Standard(s) : Test Standard Used: IEEE Std. 1528-2013; IEC/IEEE 62209-1528:2020 FCC Rules and Regulations: 47 CFR § 2.1093 ISED Rules and Regulations: RSS-102 Issue6, Dec. 2023 Test Procedure Used: KDB447498 D04 v01, KDB 865664 D01 v01r04, KDB 865664 D02 v01r02, RSS-102.SAR.MEAS Issue 2, Aug. 2025 Report No. : DDT-RE25042508-1E09 Issue Date : 2025/10/10 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Address of Laboratory : Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE25042508-1E09 TRF No.: RT-4-E-02-601 FCC SAR Test Report Ver.1.1 Page 2 of 29 Table of Contents 1.General test information .....................................................................................................6 1.1.Description of EUT .............................................................................................................6 1.2.Accessories of EUT ............................................................................................................6 1.3.Assistant equipment used for test ......................................................................................6 1.4.Block diagram of EUT configuration for test .......................................................................6 1.5.Test environment conditions...............................................................................................7 1.6.Test laboratory....................................................................................................................7 2.Summary of test results ......................................................................................................8 2.1.Report SAR results .............................................................................................................8 2.2.RF exposure limits ..............................................................................................................8 3.SAR measurements system configuration .........................................................................9 3.1.The SAR measurement system..........................................................................................9 3.2.Isotropic E-field probe EX3DV4 ........................................................................................10 3.3.SAM twin phantom ...........................................................................................................10 3.4.ELI phantom .....................................................................................................................11 3.5.Data acquisition electronics (DAE) ...................................................................................11 3.6.Device holder for transmitters...........................................................................................12 4.Measurement procedure ..................................................................................................13 4.1.Scanning procedure .........................................................................................................13 5.Description of test position ...............................................................................................17 5.1.Body-worn accessory configurations ................................................................................17 5.2.Extremity exposure configurations ...................................................................................18 5.3.Head exposure configurations ..........................................................................................18 6.RF exposure conditions ....................................................................................................19 6.1.EUT Test sides .................................................................................................................19 6.2.Standalone SAR test exclusion considerations ................................................................19 7.SAR system verification procedure ..................................................................................20 7.1.Tissue simulate liquid .......................................................................................................20 7.1.1.Target dielectric properties of head tissue-equivalent material ........................................20 7.1.2.Measurement for tissue simulate liquid ............................................................................20 7.2.SAR system validation......................................................................................................21 7.2.1.Justification for extended SAR dipole calibrations............................................................22 7.2.2.Validation test setup photograph ......................................................................................23 7.2.3.Summary system validation results ..................................................................................24 7.2.4.Detailed system validation results ....................................................................................24 8.Equipment list ...................................................................................................................25 Guangdong Dongdian Testing Service Co., Ltd. Report No.: DDT-RE25042508-1E09 TRF No.: RT-4-E-02-601 FCC SAR Test Report Ver.1.1 Page 3 of 29 9.Measurement uncertainty .…

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Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 1 of 3 Appendix A System Validation Plots Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 2 of 3 Table of Contents 1. D2450V2-SN: 904 Validation Plot ..................................................................................... 3 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 3 of 3 1. D2450V2-SN: 904 Validation Plot

Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 1 of 3 Appendix B Highest Test Plots Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 2 of 3 Table of Contents 1. 2.4G Body-worn 0mm SAR .................................................................................................... 3 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 3 of 3 1. 2.4G Body-worn 0mm SAR

Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 1 of 30 Appendix C Calibration Certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 2 of 30 Table of Contents 1. D2450V2-SN: 904 Calibration certification ............................................................................. 3 2. D5GHzV2-SN: 1148 Calibration certification .......................................................................... 9 3. DAE4-SN: 1366 Calibration certification............................................................................... 19 4. EX3DV4-SN: 3906 Calibration certification .......................................................................... 22 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 3 of 30 1. D2450V2-SN: 904 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 4 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 5 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 6 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 7 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 8 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 9 of 30 2. D5GHzV2-SN: 1148 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 10 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 11 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 12 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 13 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 14 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 15 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 16 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 17 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 18 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 19 of 30 3. DAE4-SN: 1366 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 20 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 21 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 22 of 30 4. EX3DV4-SN: 3906 Calibration certification Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 23 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 24 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 25 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 26 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 27 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 28 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 29 of 30 Guangdong Dongdian Testing ServiceCo.,Ltd. Report No.: DDT-RE25042508-1E09 Page 30 of 30

QR/RD-P01-06B SPECIFICATION 深圳市大显科技有限公司 ShenzhenDaxianTechnologyCo.,Ltd. 中山悦辰 Trio BT天线组件 RichsoundTrioBTAntennaassembly 产品规格书 ProductSpecification 客户 connection 中山悦辰 Richsound 频段 frequencyrange 2400~2500MHz 项目名称 entryname Trio 版本 edition V2.0 物料编号 MaterialNo 1T-rio-120 颜色 Color 黑色 Black 客户料号 CustomerItem Number RF设计 RFDesign 沈川 Chuan.Shen 结构设计 StructuralDesign 周锐斌 RuiBin.Zhou 品质经理 QualityManager 潘永杰 YongJie.Pan 技术总监 TechnicalDirector 张磊 Lei.Zhang 日期 Date 2025-05-13 深圳市大显科技有限公司 ShenzhenDaxianTechnologyCo.,Ltd. 深圳市龙岗区布吉镇吉华路513号上水径村（国防培训基地 对面）达成工业园综合楼7楼 TEL:0755-28576002 FAX:0755-84276383 上海分部：上海市张江高科技园区集成电路产业区龙东大道 3000号8号楼201室 TEL:021-61630552 FAX:755-84276383 BujiTown,LonggangDistrict,Shenzhen,ChinaJihuaRoad513, ShangshuijingVillage(oppositethenationaldefense trainingbase)DachengIndustrialPark,Building7。 TEL:0755-28576002 FAX:0755-84276383 Room201,Building8,LongDongRoad3000#,SemiconductorIndustry Park,ZhangJiangHitechZone,ShangHai TEL:021-61630552 FAX:755-84276383 客户确认： Customerconfirmation: 装配是否符合贵司要求：□OK□NG Whethertheassemblymeetsyourcompany'srequirements：□OK□NG ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page2 变更履历 Revisionhistory 版本号 Versionnumber 变更内容 Changecontent 变更理由 Reasonforchange 发起变更方 Originating Party 日期 Date 修改人 Modifiedby V1.0 创建 found 2025-04-24 V2.0 更新 modify 天线性能设计变更 Antennaperformance designchanges 2025-05-13 ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page3 索引 Indexes 一、项目说明ProjectDescription...................................................................................................................4 二、BT天线antenna..................................................................................................................4 1、规格specifications.................................................................................................4 1.1电气规格标准Electricalspecificationsandstandards........................................................5 1.1.1电性能指标Electricalperformanceindex................................................................5 1.1.2天线位置图片Antennapositionpicture...................................................................5 1.2结构规格标准Structuralspecificationsandstandards....................................................5 1.2.1天线组成Antennacomposition.............................................................................5 2、测试环境testingenvironment............................................................................................6 3、测试test.....................................................................................................................7 3.1驻波(VSWR)的测试Testofstandingwave(VSWR)........................................................7 3.1.1测试连接Testconnection.......................................................................................7 3.2 效率、功率（ TRP ）、灵敏度（ TIS ）的测试 Testingofefficiency,power(TRP),sensitivity(TIS)..................7 3.2.1测试的场地Testsite..............................................................................................7 3.2.2测试的仪表TestedInstruments..............................................................................7 3.2.3测试数据testdata..............................................................................................7-8 4、VSWR参数图Parameterdiagram.......................................................................................................8 5、无源场型图Passivefieldpatterndiagram.............................................................................................9 6、有源场型图Activefieldpatterndiagram.............................................................................................10 7、天线测试结果：整机数据--隔离度AntennaTestResults:WholeUnitData-Isolation...............11 8、天线装机注意事项：Antennamountingnotes:...................................................................................11 9、结论conclusion........................................................................................................................................11 三、工程图scheduledrawing..............................................................................................12 四、包装图PackageDrawing.................................................................................................13 ConfidentialInformation www.Topant.com.cn Confidentialityrequirements ShenzhenDaxianTechnologyCo.,Ltd.alreadypossessestheinformationprovidedbytheproprietarytechnology,which shouldbestrictlyconfidentialandnotallowedtobedisclosedtoanypersonorcompanywithoutthepriorwrittenconsentof ShenzhenDaxianTechnologyCo.,Ltd Page4 一项目说明ProjectDescription 客户名： CustomerName： 中山悦辰 Richsound 整机类型： Typeofcomplete machine： 音箱 loudspeakerbox 天线频段： Antennaband： 2400~2500MHz 天线形式： Antennaform： FPC+同轴线+线材海绵 FPC+coaxialline+wiresponge FPC+同轴线+线材海绵 FPC+coaxialline+wiresponge 馈电形式： Feedform： 焊接 weld 硬件版本： Hardwareversion： / 二BT天线组件Antennaassembly 1规格specifications 本报告主要提供Trio项目天线的各项电气和结构性能参数的测试状况。下图为大显设计的天 线图片。 Thisreportmainlyprovidesthetestingstatusofvariouselectricalandstructuralperformance parametersoftheantennafortheTrioproject.Thefollowingimageshowsanantennawithalarge displaydesign. 天线外观图 antennaappearingdiagram C o n f i d e n t i a l I n f o r m a t i o n w w w . T o p a n t . c o m . c n C o n f i d e n t i a l i t y r e q u i r e m e n t s S h e n z h e n D a x i a n T e c h n o l o g y C o . , L t d . a l r e a d y p o s s e s s e s t h e i n f o r m a t i o n p r o v i d e d b y t h e p r o p r i e t a r y t e c h n o l o g y , w h i c h s h o u l d b e s t r i c t l y c o n f i d e n t i a l a…

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25042508-1E02 TRF: RT-4-E-005Page 1 of 90 RADIO TEST REPORT Applicant : Harman International Industries, Inc. Address of Applicant : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Manufacturer : Harman International Industries, Inc. Address of Manufacturer : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Equipment under Test : Bluetooth Speaker Model No. : BANDBOX TRIO FCC ID : APIJBLBBTRIO IC : 6132A-JBLBBTRIO Test Standard(s) : FCC Rules and Regulations Part 15 Subpart C, RSS-247 Issue 4 July 24, 2025, ANSI C63.10:2020, RSS-Gen Issue 5, Apr. 2018, Amendment 2 (February 2021) Report No. : DDT-RE25042508-1E02 Issue Date : 2025/10/10 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25042508-1E02 TRF: RT-4-E-005Page 2 of 90 Table of Contents 1.Summary of Test Results .............................................................................................7 2.General Test Information..............................................................................................8 2.1.Description of EUT .......................................................................................................8 2.2.Accessories of EUT......................................................................................................9 2.3.Block diagram of EUT configuration for test.................................................................9 2.4.Decision of final test mode ...........................................................................................9 2.5.Deviations of test standard.........................................................................................10 2.6.Test environment conditions ......................................................................................10 2.7.Test laboratory ...........................................................................................................10 2.8.Measurement uncertainty...........................................................................................11 3.Equipment Used During Conductive Test ..................................................................12 4.6 dB Bandwidth ..........................................................................................................13 4.1.Block diagram of test setup ........................................................................................13 4.2.Limits ..........................................................................................................................13 4.3.Test procedure ...........................................................................................................13 4.4.Test result...................................................................................................................14 4.5.Test graphs ................................................................................................................15 5.99% Bandwidth ..........................................................................................................17 5.1.Block diagram of test setup ........................................................................................17 5.2.Limits ..........................................................................................................................17 5.3.Test procedure ...........................................................................................................17 5.4.Test result...................................................................................................................18 5.5.Test graphs ................................................................................................................19 6.Maximum Peak Output Power....................................................................................21 6.1.Block diagram of test setup ........................................................................................21 6.2.Limits ..........................................................................................................................21 6.3.Test procedure ...........................................................................................................21 6.4.Test result...................................................................................................................22 6.5.Test graphs ................................................................................................................23 7.Power Spectral Density ..............................................................................................25 7.1.Block diagram of test setup ........................................................................................25 7.2.Limits ..........................................................................................................................25 7.3.Test procedure ...........................................................................................................25 7.4.Test result...................................................................................................................26 7.5.Test graphs ................................................................................................................27 8.Band Edge Compliance (Conducted Method)............................................................29 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25042508-1E02 TRF: RT-4-E-005Page 3 of 90 8.1.Block diagram of test setup ........................................................................................29 8.2.Limits ..........................................................................................................................29 8.3.Test procedure ..........................................................................…

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25042508-1E02 TRF:RT-4-E-005Page 45 of 90 11. Antenna Requirements 11.1. Limit For intentional device, according to FCC 47 CFR Section 15.203, an intentional radiator shall be designed to ensure that no antenna other than that furnished by the responsible party shall be used with the device. And according to FCC 47 CFR Section 15.247 (b), if transmitting antennas of directional gain…

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