2AOKB-D2151Rsoundcore Rear Surround Speaker

AnkerInnovationsLimited To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Attestation Section2.911(d)(5)(i)andSection2.911(d)(5)(ii) (KDB986446D01CoveredEquipment) Section2.911(d)(5)(i) AnkerInnovationsLimitedcertifiesthattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules. Thesoftwaretobeloadedpriortomarketingoftheequipmentidentifiedbelowisnot"covered"software manufacturedbyanyentityincludingpredecessors,successors,parents,subsidiaries,oraffiliatesorany entitywhichhasrebrandedorrelabeledthesoftwareproducedbytheentity(ies)identifiedonthe "CoveredList"DA24-886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). AnkerInnovationsLimitedfurthercertifiesthatnoCybersecurityoranti-virussoftwareproducedor providedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwith integratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftware isinstalledintheequipmentbeingcertified. Section2.911(d)(5)(ii) AnkerInnovationsLimitedcertifiesthat,asofthedateofthefilingoftheapplication,theapplicantisnot identifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates)asan entityproducing“covered”equipment. TypeofEquipmentsubjecttoFCCCertification:soundcoreRearSurroundSpeaker FCCID:2AOKB-D2151R Ifyouhaveanyquestions,pleasefeelfreetocontactme ContactPerson:LouisQi PositionintheCompany:Director DateofSignature:2025-09-03 ___________________________ Signatory (signatureoftheapplicant)

AnkerInnovationsLimited To:FederalCommunicationsCommissionDate:2025/09/02 7435OaklandMillsRoad Columbia,MD21046 USA Attestation CertificationdesignatingaU.S.AgentforServiceofProcess Section2.911(d)(7) (KDB986446D01CoveredEquipment) AnkerInnovationsLimitedasrequiredbysection2.911(d)(7),designatebelowcontact locatedintheUnitedStatesforpurposesofactingastheapplicant’sagentforserviceof process.Theapplicantalsoacceptancetomaintainanagentfornolessthanoneyear afterthegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment. TypeofEquipmentsubjecttoFCCCertification:soundcoreRearSurroundSpeaker FCCID:2AOKB-D2151R Sincerelyyours, Applicant/GranteeUSAgent ____________________________________ (Signature)(Signature) AnkerInnovationsLimitedFantasiaTradingLLC FRN:0027073105FRN:0033423005 LouisQiYiiZhang DirectorComplianceManager [email protected]@anker-in.com Unit56,8thFloor,Tower2,Admiralty Centre,18HarcourtRoad,HongKong 5350OntarioMillsPkwy,STE100,Ontario, CA

AnkerInnovationsLimited Date:2025/09/02 To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheAnkerInnovationsLimited,theundersigned,herebyauthorizesMrs.Wendy ZhanfromShenzhenMorlabCommunicationsTechnologyCo.,Ltd.,toactonthe behalfoftheAnkerInnovationsLimitedsolelyinmattersrelatingtotheapplication foranFCCequipmentauthorizationforFCCID:2AOKB-D2151Rincludingthe signingofdocumentsinconnectionwiththisApplication.Necessaryactscarriedout ShenzhenMorlabCommunicationsTechnologyCo.,Ltd.onourbehalfoftheAnker InnovationsLimitedinconnectionwiththeApplicationshallhavethesameeffectas actsoftheAnkerInnovationsLimited.AnkerInnovationsLimitedalsoherebycertify thatnopartytothisapplicationissubjecttoadenialofbenefits,includingFCC benefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21U.S.C. 862. Thankyouforyourattentiontothismatter. YoursSincerely, Signatory: Contactname:LouisQi Tel:+86-755-86544807 Email:[email protected] Companyname:AnkerInnovationsLimited

AnkerInnovationsLimited Date:2025/09/02 To:FederalCommunicationsCommission,Authorization&EvaluationDivision,7435Oakland MillsRoad,Columbia,MD21046 Re:RequestofConfidentialityforFCCID:2AOKB-D2151R ToWhomitmayconcern: Pursuanttosections0.457and0.459ofCommission’sRules(CFR47),andSection552(b)(4)of theFreedomofInformationAct,AnkerInnovationsLimitedherebyrequestsconfidentialityand treatmentofcertaininformationaccompanyingthisapplication.Thematerialscontaintrade secretsandproprietaryinformationnotcustomarilyreleasedtothepublic.Thepublicdisclosure ofthesemattersmightbeharmfultotheApplicantandprovideunjustifiedbenefitstoits competitors. WearealsoherebyrequestShort-TermConfidentialityfor180daysfromgrantdateasoutlined inPublicNoticeDA04-1705.ThisprovisionwillgiveAnkerInnovationsLimitedtemporary confidentialityofcommerciallysensitiveinformationpriortoproductrelease. TherequestedPermanentandShort-TermConfidentialexhibitsarelistedasfollows: PERMANENTANDSHORT-TERMCONFIDENTIALLIST ExhibitDescription PERMANENT 1BlockDiagram 2OperationalDescription 3Schematics 4BOM SHORT-TERM 5ExternalPhotos 6InternalPhotos 7Test-SetupPhotos 8UserManual TheApplicantunderstandsthatpursuanttoRule0.457,disclosureofthisapplicationandall accompanyingdocumentations,whereapplicable,willnotbemadepublicbeforethedateof theGrantforthisapplication. Signatory： Contactname:LouisQi Tel:+86-755-86544807 Email:[email protected] Companyname:AnkerInnovationsLimited

AnkerInnovationsLimited UNIIDeclarationLetter WehavedeclaredbelowfeaturedforFCCequipmentauthorization,deviceFCCID:2AOKB-D2151R (1)DFSDevice--Master,ClientwithRadardetectioncapability, Clientwithoutradardetectioncapability,N/A (2)Active/PassiveScanning,adhocmodeaccesspointcapability FrequencyBand (MHz) ActiveScanning (thedevicecan transmitaprobe (beacon)) Passivescanning (wherethedeviceis canlistenonlywith noprobes) AdHocMode capability Accesspoint capability 2412–2462MHzYes,NoYes,NoYes,NoYes,No 2422–2452MHzYes,NoYes,NoYes,NoYes,No 5745–5825MHzYes,NoYes,NoYes,NoYes,No 5755–5795MHzYes,NoYes,NoYes,NoYes,No 5180–5240MHzYes,NoYes,NoYes,NoYes,No 5190–5230MHzYes,NoYes,NoYes,NoYes,No 5260–5320MHzYes,NoYes,NoYes,NoYes,No 5270–5310MHzYes,NoYes,NoYes,NoYes,No 5500–5700MHzYes,NoYes,NoYes,NoYes,No 5510–5670MHzYes,NoYes,NoYes,NoYes,No (3)Countrycodeselectionability-Yes,No Ifno,plsexplainhowwasimplemented:CountryisselectedasUSbydefaultandusercannotchangethecountry code. (4)Meet15.202requirement-Yes,No, plscheckbelow: Amasterdeviceisdefinedasadeviceoperatinginamodeinwhichithasthecapabilitytotransmitwithout receivinganenablingsignal.Inthismodeitisabletoselectachannelandinitiateanetworkbysendingenabling signalstootherdevices Aclientdeviceisdefinedasadeviceoperatinginamodeinwhichthetransmissionsofthedeviceareunder controlofthemaster.Adeviceinclientmodeisnotabletoinitiateanetwork. (5)Forclientdevicesthathavesoftwareconfigurationcontroltooperateindifferentmodes(activescanninginsome andpassivescanninginothers)indifferentbands(deviceswithmultipleequipmentclassesorthosethatoperateon non-DFSfrequencies)ormodulardeviceswhichconfigurethemodesofoperationsthroughsoftware,theapplication mustprovidesoftwareandoperationsdescriptiononhowthesoftwareand/orhardwareisimplementedtoensure thatproperoperationsmodescannotbemodifiedbyenduseroraninstaller. Apply,NoApply, (Ifapply,plshelptoprovideexplanationonhowitwasimplement(Byhardwareorsoftware,andhowsoftwarewas controlled) Thedeviceconfigurationcannotbemodifiedbyuserasprogramisnotexposedtouserbyanymeans.Hardware doesnotallowUSBconnectionforuserwhichismusttochangetheconfiguration. Ifyouhaveanyquestions,pleasefeelfreetocontactmeattheaddressshownbelow. Signatory： Contactname:LouisQi Tel:+86-755-86544807 Email:[email protected] Companyname:AnkerInnovationsLimited

ModelDifferenceDeclarationLetter We, AnkerInnovationsLimitedcompanyname ,here to declarethat, Productname:soundcoreRear SurroundSpeaker， Modelnumber:D2151RL,D2151RR have the same hardwareand software,onlydifferentin Modelnumber. The main test modelnumberis D2151RL,andall parametersof these above modelnumbersremainthe same. Date:2025.8.7 Company:AnkerInnovationsLimited Name: Louis Qi Signature:

3.5MM 7.8MM color： PANTONE Cool Gray 9 C Left speaker Right speaker 23.659MM 4MM 6MM 8.2MM soundcore Rear Surround speaker ModelD2151RL HVIN :D2151R Input: 20V 2A 3000mAh Anker Innovations Limited Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong FCC ID:2AOKB-D2151R IC: 23451-D2151R CAN ICES(B)/NMB(B) Made in China 5GHz product for indoor use only xxx-xxxxxxx soundcore Rear Surround speaker ModelD2151RR HVIN :D2151R Input: 20V 2A 3000mAh Anker Innovations Limited Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong FCC ID:2AOKB-D2151R IC: 23451-D2151R CAN ICES(B)/NMB(B) Made in China 5GHz product for indoor use only xxx-xxxxxxx

NOTE: This document is issued byShenzhenMorlab Communications Technology Co., Ltd., the test report shall not be reproduced except in full without prior written permission of the company. The test results apply only to the particular sample(s) tested and to the specific tests carried out which is available on request for validation and information confirmed at our website. MORLAB ShenzhenMorlab Communications Technology Co., Ltd. FL.1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen, GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 1 of 8 REPORT No.：SZ25070118S01 RF EXPOSURE EVALUATION REPORT APPLICANT : Anker Innovations Limited PRODUCT NAME : soundcore Rear Surround Speaker MODEL NAME : D2151RL, D2151RR BRAND NAME :soundcore FCC ID : 2AOKB-D2151R STANDARD(S) : 47 CFR Part 2(2.1091) RECEIPT DATE : 2025-07-11 TEST DATE :2025-07-12 to 2025-08-14 ISSUE DATE : 2025-09-05 Edited by: Peng Mi (Rapporteur) Approved by: Shen Junsheng (Supervisor) MORLAB ShenzhenMorlab Communications Technology Co., Ltd. FL.1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] REPORT No.：SZ25070118S01 Page2of 8 DIRECTORY 1. Technical Information ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3 1.1 Applicant and Manufacturer Information ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3 1.2 Equipment under Test (EUT) Description ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3 1.3 Applied Reference Documents ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4 2. Device Category and RF Exposure Limit ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 5 3. Maximum Average Power Summary ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 6 4. RF Exposure Assessment ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 7 Annex A Testing Laboratory Information ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 8 Change History Version Date Reason for change 1.0 2025-09-05 First edition MORLAB ShenzhenMorlab Communications Technology Co., Ltd. FL.1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] REPORT No.：SZ25070118S01 Page3of 8 1. Technical Information Note: Provide by applicant. 1.1 Applicant and Manufacturer Information Applicant: Anker Innovations Limited Applicant Address: Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Manufacturer: Anker Innovations Limited Manufacturer Address: Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong 1.2 Equipment under Test (EUT) Description Product Name: soundcore Rear Surround Speaker Sample No.: 36#, 38#, 39#, 48#, 58# Hardware Version: V4 Software Version: v1.1.216 Frequency Range: Bluetooth 2402MHz-2480MHz WLAN 5GHz 5180MHz-5240MHz; 5260MHz-5320MHz; 5500MHz-5720MHz Modulation Mode: Bluetooth GFSK WLAN 5GHz OFDM Antenna Information: Bluetooth Antenna Type: PCB Antenna Antenna Gain: 3.65dBi WLAN 5GHz Antenna Type: PCB Antenna Antenna Gain: 5.15dBi Note 1: According to the certificate holder, they declared that the models D2151RL and D2151RR only the model numbers are different, everything else is the same. The main measuring model is D2151RL, only the results for D2151RL were recorded in this report. Note 2: The EUT description presented in the report are provided by applicant and/or manufacturer, and the test laboratory is not responsible for the accuracy of the information. For a more detailed description, please refer to Specification or User’s Manual supplied by the applicant and/or manufacturer. MORLAB ShenzhenMorlab Communications Technology Co., Ltd. FL.1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] REPORT No.：SZ25070118S01 Page4of 8 1.3 Applied Reference Documents Leading reference documents for testing: Identity Document Title Remark 47 CFR Part 2(2.1091) Radio Frequency Radiation Exposure Assessment: mobile devices / KDB 447498 D01v06 General RF Exposure Guidance / Note 1: Any additions, deviation, or exclusions from the method shall be noted in the “Remark". MORLAB ShenzhenMorlab Communications Technology Co., Ltd. FL.1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] REPORT No.：SZ25070118S01 Page5of 8 2. Device Category and RF Exposure Limit Per user manual, based on 47 CFR 2.1091, this device belongs to mobile device category with General Population/Uncontrolled exposure. Mobile Devices: 47 CFR 2.1091(b) For purposes of this section, a mobile device is defined as a transmitting device designed to be used in other than fixed locations and to generally be used in such a way that a separation distance of at least 20 centimeters is normally maintained between the transmitter's radiating structure(s) and the body of the user or nearby persons. In this context, the term “fixed location” means that the device is physically secured at one location and is not able to be easily moved to another location. Transmitting devices designed to be used by consumers or workers that can be easily re-located, such as wireless devices associated with a personal computer, are considered to be mobile devices if they me…

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0 此文件未经本公司允许，严禁以任何方式复制 APPROVAL No.ATCSZ-5-170807-001ISSUE1 规 格 书 SPECIFICATION FOR APPROVAL 物料描述 DESCRIBE: Antenna For 海翼/台德（D2151/WBT723A/B) 客户料号 Customer NO: E110002955 物料编码 PART NO: ATC1474-HY090B72RA 天线类型 Antenna type: Middle-Speaker-WIFI天线（PCB+Cable)黑 日期 DATE: 2025.07.17 供应商 PROVIDER: 爱特恩科技（深圳）有限公司 深圳市宝安区石岩街道塘头一号路创维创新谷5#C栋201 AT&C Technology (Shenzhen) Co. 201, Building C, Chuangwei Innovation Valley, No.1 Tangtou Road, Shiyan Street, Bao'an District, Shenzhen, China 客户 承认 CustomerAdmi t 确认 confir m 研发/R & D品质/Quality采购/Procurement核准/Approved 供应商 承认 SupplierAdmi t 确认 confir m 确认/Confirm校对/Check审核/Examine批准/Approved 资业辉杨国昌徐丽英 1 此文件未经本公司允许，严禁以任何方式复制 WIFI天线位置 测试设备(Test equipment) 2 Customer 客户 HY(海翼) Written By 制作 ZYH Orig. Date 制作日期 2025.07.17 Part Number 料号 ATC1474-HY090B72RA Revised By 校订 SHIN Revised Date 校订日期 2025.07.17 Description 零件名称 Middle-Speaker -WIFI ANT Approved By 确认 HJ Approved Date 确认日期 2025.07.17 此文件未经本公司允许，严禁以任何方式复制 BOM Customer numberATC numberPart name ATC1474-HY090B72RA 29.5*16*1.0mm,，材质FR4,黑色普 通线,线径1.13，线长150mm，配一 代端子 3 Customer 客户 HY(海翼) Written By 制作 ZYH Orig. Date 制作日期 2025.07.17 Part Number 料号 ATC1474-HY090B72RA Revised By 校订 SHIN Revised Date 校订日期 2025.07.17 Description 零件名称 Middle-Speaker -WIFI ANT Approved By 确认 HJ Approved Date 确认日期 2025.07.17 此文件未经本公司允许，严禁以任何方式复制 天线未更改匹配 天线匹配/ Ant Matching circuit 4 Customer 客户 HY(海翼) Written By 制作 ZYH Orig. Date 制作日期 2025.07.17 Part Number 料号 ATC1474-HY090B72RA Revised By 校订 SHIN Revised Date 校订日期 2025.07.17 Description 零件名称 Middle-Speaker -WIFI ANT Approved By 确认 HJ Approved Date 确认日期 2025.07.17 此文件未经本公司允许，严禁以任何方式复制 天线网分图( Antenna S11/SWR) 5 Customer 客户 HY(海翼) Written By 制作 ZYH Orig. Date 制作日期 2025.07.17 Part Number 料号 ATC1474-HY090B72RA Revised By 校订 SHIN Revised Date 校订日期 2025.07.17 Description 零件名称 Middle-Speaker -WIFI ANT Approved By 确认 HJ Approved Date 确认日期 2025.07.17 此文件未经本公司允许，严禁以任何方式复制 Passive data FrequencyEfficiencyGain . dB 240058%3.26 242060%3.24 244062%3.37 246062%3.65 248061%3.65 250062%3.87 515069%4.45 520053%4.79 525058%4.99 530060%4.87 535060%4.70 540059%4.78 545061%5.15 550058%4.76 555061%4.44 560065%4.47 565065%4.63 570067%5.00 575064%5.08 580063%5.15 585059%5.21 590058%5.63 无源数据( Passive Test Results) 6 Customer 客户 HY(海翼) Written By 制作 ZYH Orig. Date 制作日期 2025.07.17 Part Number 料号 ATC1474-HY090B72RA Revised By 校订 SHIN Revised Date 校订日期 2025.07.17 Description 零件名称 Middle-Speaker -WIFI ANT Approved By 确认 HJ Approved Date 确认日期 2025.07.17 此文件未经本公司允许，严禁以任何方式复制 2D辐射方向图(2D Radiation Pattern) 7 Customer 客户 HY(海翼) Written By 制作 ZYH Orig. Date 制作日期 2025.07.17 Part Number 料号 ATC1474-HY090B72RA Revised By 校订 SHIN Revised Date 校订日期 2025.07.17 Description 零件名称 Middle-Speaker -WIFI ANT Approved By 确认 HJ Approved Date 确认日期 2025.07.17 此文件未经本公司允许，严禁以任何方式复制 2D辐射方向图(2D Radiation Pattern) 8 Customer 客户 HY(海翼) Written By 制作 ZYH Orig. Date 制作日期 2025.07.17 Part Number 料号 ATC1474-HY090B72RA Revised By 校订 SHIN Revised Date 校订日期 2025.07.17 Description 零件名称 Middle-Speaker -WIFI ANT Approved By 确认 HJ Approved Date 确认日期 2025.07.17 此文件未经本公司允许，严禁以任何方式复制 2D辐射方向图(2D Radiation Pattern) 9 Customer 客户 HY(海翼) Written By 制作 ZYH Orig. Date 制作日期 2025.07.17 Part Number 料号 ATC1474-HY090B72RA Revised By 校订 SHIN Revised Date 校订日期 2025.07.17 Description 零件名称 Middle-Speaker -WIFI ANT Approved By 确认 HJ Approved Date 确认日期 2025.07.17 此文件未经本公司允许，严禁以任何方式复制 3D辐射方向图(3D Radiation Pattern) 10 Customer 客户 HY(海翼) Written By 制作 ZYH Orig. Date 制作日期 2025.07.17 Part Number 料号 ATC1474-HY090B72RA Revised By 校订 SHIN Revised Date 校订日期 2025.07.17 Description 零件名称 Middle-Speaker -WIFI ANT Approved By 确认 HJ Approved Date 确认日期 2025.07.17 此文件未经本公司允许，严禁以任何方式复制 3D辐射方向图(3D Radiation Pattern) 11 此文件未经本公司允许，严禁以任何方式复制 Ant Draw

NOTE: This document is issued by Shenzhen Morlab Communications Technology Co., Ltd., the test report shall not be reproduced except in full without prior written permission of the company. The test results apply only to the particular sample(s) tested and to the specific tests carried out which is available on request for validation and information confirmed at our website. MORLAB Shenzhen Morlab Communications Technology Co., Ltd. FL.1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen, GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 1 of 114 REPORT No.：SZ25070118W02 TEST REPORT APPLICANT : Anker Innovations Limited PRODUCT NAME : soundcore Rear Surround Speaker MODEL NAME :D2151RL, D2151RR BRAND NAME : soundcore FCC ID : 2AOKB-D2151R STANDARD(S) :47 CFR Part 15 Subpart E RECEIPT DATE : 2025-07-11 TEST DATE :2025-07-12 to 2025-08-14 ISSUE DATE : 2025-09-05 Edited by: Peng Mi (Rapporteur) Approved by: Shen Junsheng (Supervisor) MORLAB Shenzhen Morlab Communications Technology Co., Ltd. FL.1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen, GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 2 of 114 REPORT No.：SZ25070118W02 DIRECTORY 1. Summary of Test Result ·············································································· 4 1.1. Testing Applied Standards ········································································ 5 1.2. Test Equipment List ················································································· 6 1.3. Measurement Uncertainty ········································································· 7 1.4. Testing Laboratory ··················································································· 8 2. General Description ··················································································· 9 2.1. Information of Applicant and Manufacturer ················································· 9 2.2. Information of EUT ··················································································· 9 2.3. Channel List of EUT ··············································································· 11 2.4. Test Configuration of EUT ······································································· 12 2.5. Test Conditions ····················································································· 12 2.6. Test Setup Layout Diagram ····································································· 13 3. Test Results ···························································································· 16 3.1. Antenna Requirement ············································································ 16 3.2. Duty Cycle of Test Signal ········································································ 17 3.3. Maximum Conducted Output Power ························································· 18 3.4. Emission Bandwidth ·············································································· 19 3.5. Peak Power Spectral Density ·································································· 21 3.6. Frequency Stability ················································································ 22 3.7. Dynamic Frequency Selection ································································· 23 3.8. Conducted Emission ·············································································· 28 3.9. Restricted Frequency Bands ··································································· 29 3.10. Radiated Emission ················································································· 31 Annex A Test Data and Result ······································································· 33 MORLAB Shenzhen Morlab Communications Technology Co., Ltd. FL.1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen, GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 3 of 114 REPORT No.：SZ25070118W02 Change History Version Date Reason for change 1.0 2025-09-05 First edition MORLAB Shenzhen Morlab Communications Technology Co., Ltd. FL.1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen, GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 4 of 114 REPORT No.：SZ25070118W02 1. Summary of Test Result No. Section Description Test Date Test EngineerResult Remark 1 15.203 Antenna Requirement N/A N/A PASS / 2 ANSI C63.10 Duty Cycle of the Test Signal Jul. 28, 2025 Li Xinpeng PASS / 3 15.407(a) Maximum Conducted Output Power Jul. 28, 2025 Li Xinpeng PASS / 4 15.407(a) (e) Emission Bandwidth Jul. 28, 2025 Li Xinpeng PASS / 5 15.407(a) Peak Power Spectral Density Jul. 28, 2025 Li Xinpeng PASS / 6 15.407(g) Frequency Stability Jul. 28, 2025 Li Xinpeng PASS / 7 15.407(h) DFS Jul. 28, 2025 Li Xinpeng PASS / 8 15.207 Conducted Emission Aug. 07, 2025 Wang Yapeng Fan Zehang PASS / 9 15.407(b) Restricted Frequency Bands Jul. 12, 2025 to Aug. 04, 2025 Li Hanbin PASS / 10 15.407(b) Radiated Emission Jul. 12, 2025 to Aug. 04, 2025 Li Hanbin PASS / Note 1: The tests of Conducted Emission and Radiated Emission were performed according to the method of measurements prescribed in ANSI C63.10 2020. Note 2: These RF tests were performed according to the method of measurements prescribed in KDB 789033 D02 v02r01. Note 3: These RF tests were performed according to the method of measurements prescribed in KDB 905462 D02 UNII DFS Compliance Procedures New Rules v02. Note 4: Any additions, deviation, or exclusions from the method shall be noted in the “Remark”. MORLAB Shenzhen Morlab Communications Technology Co., Ltd. FL.1-3, Build…

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