
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
WiWU Openbuds Wireless Stereo
CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BS3B-O203O201,O202,O203,O204,O205,O206,O207,O 208,O209,O210 We, Applicant CompanyName:DongguanWeiwuSupplyChainCo.,Ltd. Address:Room401,Building11,No.243,Huaide Road,HumenTown,DongguanCity, GuangdongProvince,china Phone:+8613829218589 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-01-08 SignatureDate PrintedNameofSignee:JasonZhu Company:DongguanWeiwuSupplyChain Co.,Ltd. Phone:13829218589 Email:[email protected] Address:Room401,Building11,No.243, HuaideRoad,HumenTown,DongguanCity, GuangdongProvince Fax:N/A
DongguanWeiwuSupplyChainCo.,Ltd. Room401,Building11,No.243,HuaideRoad,HumenTown,DongguanCity, GuangdongProvince Date:2026-01-08 FCCID:2BS3B-O203 ModelNumber:O201,O202,O203,O204,O205,O206,O207,O208,O209,O210 To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,DongguanWeiwuSupplyChainCo.,Ltd.herebydeclarethatourproduct(Wireless Doorbell ) ModelNumber:O201,O202,O203,O204,O205,O206,O207,O208,O209,O210 electricalidentical,theSchematic,PCBlayout,structureandsoftwarearesame,onlythe differenceisthemodelnameformarketpurpose. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:JasonZhu/CTO Company:DongguanWeiwuSupplyChainCo.,Ltd. Address:Room401,Building11,No.243,HuaideRoad,HumenTown,DongguanCity, GuangdongProvince Phone:13829218589 FaxNumber:N/A E-Mail:[email protected]
ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BS3B-O203O201,O202,O203,O204,O205,O206,O207,O20 8,O209,O210 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare: theOperationalDescription theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-01-08 SignatureDate PrintedNameofSignee/Title:JasonZhu/CTO Company:DongguanWeiwuSupplyChainCo.,Ltd. Address:Room401,Building11,No.243,HuaideRoad,Humen Town,DongguanCity,GuangdongProvince,china Phone:13829218589 Fax:-- Email:[email protected]
ReportNo.:CISRR25122235301 Page 86 of 88 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR25122235301 Page 87 of 88
Label Size:10mm*10mm FCC ID:2BS3B-O203 Label Location
ReportNo.:CISRR25122235301 Page 88 of 88 9.2.InternalPhotos ------Endofthereport----- ANT
ReportNo.:CISRR25122235302 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.CISRR25122235302 ProjectNo.CISR251222353 FCCID2BS3B-O203 ApplicantDongguanWeiwuSupplyChainCo.,Ltd. Address Room401,Building11,No.243,HuaideRoad,HumenTown,Dongguan City,GuangdongProvince ManufacturerDongguanWeiwuSupplyChainCo.,Ltd. Address Room401,Building11,No.243,HuaideRoad,HumenTown,Dongguan City,GuangdongProvince ProductNameWiWUOpenbudsWirelessStereo TrademarkRICHJOY,WiWU Model/TypereferenceO203 ListedModel(s)O201,O202,O204,O205,O206,O207,O208,O209,O210 Standard 47CFRPart2.1093 DateofsamplereceiptDecember24,2025 TestdateDecember24,2025toDecember29,2025 IssuedateDecember29,2025 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.:CISRR25122235302 Reporttemplateversion:CISE-TR-001-A0Page:2of5 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–3999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00December29,2025Original ReportNo.:CISRR25122235302 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS TheBluetoothheadsetscontaintwoparts:leftearbudandrightearbud,andthesetwoearbudscouldbe simultaneoustransmission. ReportNo.:CISRR25122235302 Reporttemplateversion:CISE-TR-001-A0Page:4of5 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData EUTRadiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up EIRP #4 (dBm) Minimum distance (mm) Evaluated value LimitResult LeftBT2.4803.811.735.546.005.001.25393.00PASS RightBT2.4804.081.785.866.005.001.25393.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR25122235302 Reporttemplateversion:CISE-TR-001-A0Page:5of5 5.2.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result:Passed TestData EUT Evaluated value Standalone Limit RaitoValue (Evaluatedvalue/ StandaloneLimit) Sum Simultaneous Limit Result Left 0.6185 30.418 0.8361.00PASS Right 0.6185 30.418 --------EndofReport--------
Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X:±1X.X:±0.1X.XX:±0.01 Angle:±HoleDia.:± Scale:Unit:mm DrawnBy: Address:Room 412, Building 7, Phase II, Nanshan Cloud Valley Entrepreneurship Park, No. 2, Pingshan 1st Road, Pingshan Community, Taoyuan Sub-district, Nanshan District, Shenzhen City Andy CheckedBy:Simon DesignedBy:SimonApprovedBy:Simon TITLE:BTFPCAntenna(HM-15-L-V6) PART S2B4BB1F1B00074 REV. NO.A PAGE 1 OF6 BTFPCAntenna(HM-15-L-V6) 1.ExplanationofProductNumber ProductDescription: (1)ProductCategories: B:BTAntenna (2)Dimensions: B1:16.70*9.00*0.15(mm) (3)Material: F:FPC (4)WorkingFrequencies: 1B:2.4G-2.5G (5)AntennaSeries: 01:Serialnumber Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-L-V6) PART S2B4BB1F1B00074 REV. NO.A PAGE 2 OF6 2.Features *Stableand reliablein performances *RoHScompliance *Lowcost 3.Applications *BT 4.Description * YINGFENGFPC antennaseriesare speciallydesignedfor 2.4 G-2.5Gbandapplication. Based on YINGFENGproprietarydesignsand processes,this FPC antennahas excellentstability and sensitivityto consistentlyprovidehigh signalreceptionefficiency. 5. AntennaElectricalSpecifications : CharacteristicsSpecificationsUnit OutlineDimensions16.70*9.00 *0.15mm Frequency2400~2500MHz Impedance50 PolarizationLinearPolarization ReturnLossTableReturnLoss Freq.Band2.4G Hz2.45GHz2.5G Hz dB-17-19-13 VSWRTableVSWR Freq.Band2.4G Hz2.45GHz2.5G Hz 1.31.21.4 GAINTable TotalGain= Xpol + Ppol Freq.Band 2400MHz2450MHz2485MHz2500MHz Peak Gain (dBi) 1. 511.721.691.2 3 Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-L-V6) PART S2B4BB1F1B00074 REV. NO.A PAGE 3 OF6 6.Dimensions(unit: mm) blic errand:±0.2 mm 7.MeasurementCharacteristics: (1) ReturnLoss (2) VSWR Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-L-V6) PART S2B4BB1F1B00074 REV. NO.A PAGE 4 OF6 8.ThreeD RadiationPatter n measurements Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-L-V6) PART S2B4BB1F1B00074 REV. NO.A PAGE 5 OF6 9.RadiationPattern 9-1. 3D GainPattern(RadiationPatternat 2450MHz) -Y -Z X Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-L-V6) PART S2B4BB1F1B00074 REV. NO.A PAGE 6 OF6 9-3. completemachineEfficiencyTable 10-1产品包装Productpackaging 版本edition::V6.0页码Page:1/1 1.产品排版:14 *10 =140 PCS2.离型纸隔层摆放保护天线Barrierpaperprotection products 3.密封袋封装效果 Sealingbag packagingeffect 4.纸箱封箱效果(贴出货标签和ROHS标签 Cartonsealingeffect 10 -2.RevisionControl: RevisionDateContentRemark A202 5-10-24New Issued.N/A 10-3.Technologyand Materials: 1. Technology(工艺):感光阻焊油墨优力哑黑白色字符沉金 3U 半切离型膜出货 2.Materials(材料):FPC(PI) 电解铜箔(25UM)背胶 3M9471 Frequency(MHz)240024 202450246024802500 Efficiency(%)34.937.337.636.130.1827 Gain(dBi)1.511.621.721.71.691.23
Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-R-V6) PART S2B4BB1F1B00075 REV. NO.A PAGE 1 OF6 BT FPC Antenna (HM-15-R-V6) 1.Explanationof ProductNumber ProductDescription: (1) ProductCategories: B:BT Antenna (2) Dimensions: B1: 16.70*9.00 *0.15(mm ) (3) Material: F: FPC (4) WorkingFrequencies: 1B : 2.4G-2.5G (5) AntennaSeries: 01 : Serialnumber Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-R-V6) PART S2B4BB1F1B00075 REV. NO.A PAGE 2 OF6 2.Features *Stableand reliablein performances *RoHScompliance *Lowcost 3.Applications *BT 4.Description * YINGFENGFPC antennaseriesare speciallydesignedfor 2.4 G-2.5Gbandapplication. Based on YINGFENGproprietarydesignsand processes,this FPC antennahas excellentstability and sensitivityto consistentlyprovidehigh signalreceptionefficiency. 5. AntennaElectricalSpecifications : CharacteristicsSpecificationsUnit OutlineDimensions16.70*9.00 *0.15mm Frequency2400~2500MHz Impedance50 PolarizationLinearPolarization ReturnLossTableReturnLoss Freq.Band2.4G Hz2.45GHz2.5G Hz dB-15-28-14 VSWRTableVSWR Freq.Band2.4G Hz2.45GHz2.5G Hz 1.31.01.4 GAINTable TotalGain= Xpol + Ppol Freq.Band 2400MHz2450MHz2485MHz2500MHz Peak Gain (dBi) 1. 551..781.641.45 Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-R-V6) PART S2B4BB1F1B00075 REV. NO.A PAGE 3 OF6 6.Dimensions(unit: mm) blic errand:±0.2 mm 7.MeasurementCharacteristics: (1) ReturnLoss (2) VSWR Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-R-V6) PART S2B4BB1F1B00075 REV. NO.A PAGE 4 OF6 8.ThreeD RadiationPatter n measurements Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-R-V6) PART S2B4BB1F1B00075 REV. NO.A PAGE 5 OF6 9.RadiationPattern 9-1. 3D GainPattern(RadiationPatternat 2450MHz) Y -X Z Tolerances(Unlessotherwisespecified) 深圳市迎丰天线技术有限公司 SHENZHENYINGFENGANTENNATECHNOLOGYCO.,LTD X :±1X.X :±0.1X.XX :±0.01 Angle:±Hole Dia. :± Scale :Unit:mm THISSPECIFICATIONIS THEPROPERTYOF UNICTRONTECHNOLOGIES CORPORATIONANDSHALLNOTBE REPRODUCEDOR USEDIN ALL CIRCUMSTANCESWITHOUTWRITTENPERMISSION DrawnBy :Andy CheckedBy : Simon DesignedBy :SimonApprovedBy :S imon TITLE:BT FPC Antenna(HM-15-R-V6) PART S2B4BB1F1B00075 REV. NO.A PAGE 6 OF6 9-3. completemachineEfficiencyTable 10-1产品包装Productpackagi 版本edition::V6.0页码Page:1/1 1.产品排版:14 *10 =140 PCS2.离型纸隔层摆放保护天线Barrierpaper protectionproducts 3.密封袋封装效果 Sealingbag packagingeffect 4.纸箱封箱效果(贴出货标签和ROHS标签 Cartonsealingeffect 10 -2.RevisionControl: RevisionDateContentRemark A202 5-10-24New Issued.N/A 10-3.Technologyand Materials: 1. Technology(工艺):感光阻焊油墨优力哑黑白色字符沉金 3U 半切离型膜出货 2.Materials(材料):FPC(PI) 电解铜箔(25UM)背胶 3M9471 Frequency(MHz)240024 202450246024802500 Efficiency(%)30.932.3363529.1826 Gain(dBi)1.551.681.781.651.641..45
ReportNo.:CISRR25122235301 Page 84 of 88 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR25122235301 Page 85 of 88 RadiatedSpuriousEmission(below1GHz)
4623 Bittercreek Dr Colorado Springs CO 80922 · United States
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 2.40 mW |

WiWU Openbuds Wireless Stereo
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
WiWU Soundmaster Wireless Headphone
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
WiWU Openbuds Wireless Stereo
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter