
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
FCCRequirement Anychangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheuser ’ sauthoritytooperatetheequipment. ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions: (1)thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause undesiredoperation. Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotection againstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,uses,andcan radiateradiofrequencyenergy,andifnotinstalledandusedinaccordancewiththeinstructions, maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethat interferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmful interferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoff andon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowing measures: –Reorientorrelocatethereceivingantenna. –Increasetheseparationbetweentheequipmentandreceiver. –Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. –Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
ThistestreportbelongstoShenZhenNQInetworkcommunicationltd.andrelatedclientsto file,pleasekeepingitpropely,withoutourcompanyandrelatedclientsallowed,anybodyhasno rightstorevalittopublic. . AntennaTestReport For ProjectD05 Version: CustomerProjectD05 BandBTColor IssuedbySkCheckedby ConfirmedbyDate2022.11.1 ThistestreportbelongstoShenZhenNQInetworkcommunicationltd.andrelatedclientsto file,pleasekeepingitpropely,withoutourcompanyandrelatedclientsallowed,anybodyhasno rightstorevalittopublic. 一.TestInstrumentationanditem(测试设备及项目) 类别(Class)测试项目(Testitem)设备(Equipment) 1.Sparameter 1.回波损耗(RL) 2.驻波比(VSWR) 3.斯密斯原图(Smithchart) 网分(VNA):AgilentE5071B R&S ZVB8 ProtekA333 2.耦合测试( Coupling testing) 1.发射功率(MAXPower) 2.接收灵敏度(MINSens) 1.2G/3GTester:Agilent8960 2.Thecouplingbox:TESCOM TC-5060A 3.3DChamber:ETS3DChamber(5x3x3) 3.3D无源测试 (PassiveTest) 1.效率(Effeciency) 2.增益(Gain) 3.辐射方向图 (radiationpattern) 1.3DChamber:TEM243DChamber(5x5x5) ETS3DChamber(5x3x3) 2.网分(VNA):AgilentE5071B R&SZVB8 4.3D有源测试 (ActiveTest) 1.3D功率(TRP) 2.3D灵敏度(TIS) 3.吞吐率(Throughputrate) 1.3DChamber:TEM243DChamber(5x5x5) ETS3DChamber(5x3x3) 2.2G/3GTester:Agilent8960 3.4GTester:MT8820C/CMW500 4.WIFI/BT/NB-iotTester:CMW500 5.5GTester:SP9500-CTS 6.Head:HEAD-P10(FACE-P10) ThistestreportbelongstoShenZhenNQInetworkcommunicationltd.andrelatedclientsto file,pleasekeepingitpropely,withoutourcompanyandrelatedclientsallowed,anybodyhasno rightstorevalittopublic. 二.Chambercoordinateaxis (暗室坐标) ThistestreportbelongstoShenZhenNQInetworkcommunicationltd.andrelatedclientsto file,pleasekeepingitpropely,withoutourcompanyandrelatedclientsallowed,anybodyhasno rightstorevalittopublic. 三.Definitions(定义) VSWR:VoltageStandingWaveRate RL:Returnloss TRP:totalradiatedpower TIS:totalistropicsensitivity ThistestreportbelongstoShenZhenNQInetworkcommunicationltd.andrelatedclientsto file,pleasekeepingitpropely,withoutourcompanyandrelatedclientsallowed,anybodyhasno rightstorevalittopublic. 四.无源测试Passive antenna test 4.1回波损耗/驻波比/史密斯圆图 Return loss/standing wave ratio/Smith circle diagram 4.2效率&增益 Efficiency & Gain ThistestreportbelongstoShenZhenNQInetworkcommunicationltd.andrelatedclientsto file,pleasekeepingitpropely,withoutourcompanyandrelatedclientsallowed,anybodyhasno rightstorevalittopublic. 4.33D方向图 3D directional diagram
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ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20221202124E-02 Applicant: ShenzhenBaseusTechnologyCo.,Ltd. AddressofApplicant: 2ndFloor,BuildingB,BaseusIntelligencePark,No.2008,XuegangRd, GangtouCommunity,BantianStreet,LonggangDistrict,Shenzhen. EquipmentUnderTest(EUT): EUTName:BaseusWirelessHeadphones ModelNo.:BaseusBowieD05 TestModelNo.:BaseusBowieD05 BrandName:Baseus FCCID:2A482-D05 Standards: 47CFRPart1.1307 47CFRPart2.1093 KDB447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt:2022-12-12 DateofTest: 2022-12-12to2022-12-29 DateofIssue:2023-01-09 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-02 Page:2of7 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20221202124E-02Rev.01 Initialreport 2023-01-09 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-02 Page:3of7 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3GENERALDESCRIPTIONOFBT......................................................................................................................................4 4SAREVALUATION...........................................................................................................................................................5 4.1RFEXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................5 4.1.1StandardRequirement......................................................................................................................................5 4.1.2Limits....................................................................................................................................................................5 4.1.3EUTRFExposure..............................................................................................................................................7 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-02 Page:4of7 3GeneralInformation 3.1ClientInformation Applicant: ShenzhenBaseusTechnologyCo.,Ltd. AddressofApplicant: 2ndFloor,BuildingB,BaseusIntelligencePark,No.2008,XuegangRd, GangtouCommunity,BantianStreet,LonggangDistrict,Shenzhen. Manufacturer: ShenzhenBaseusTechnologyCo.,Ltd. AddressofManufacturer: 2ndFloor,BuildingB,BaseusIntelligencePark,No.2008,XuegangRd, GangtouCommunity,BantianStreet,LonggangDistrict,Shenzhen. Factory: HUIZHOUJONETECHELECTRONICCO.,LTD AddressofFactory: Cbuilding,HushanTechnologyPark,ShiwanTwon,BoluoCity,Guangdong 516127,China 3.2GeneralDescriptionofEUT ProductName: BaseusWirelessHeadphones ModelNo.: BaseusBowieD05 TestModelNo.: BaseusBowieD05 TradeMark: Baseus SoftwareVersion: V1.0 HardwareVersion: V1.0 PowerSupply: Li-ionbatteryDC3.7V600mAh,ChargebyDC5V600mAforadapter 3.3GeneralDescriptionofBT OperationFrequency:2402MHz~2480MHz ModulationType:GFSK,π/4DQPSK,8DPSK TransferRate:1Mbps/2Mbps/3Mbps NumberofChannel:79 ProductType:MobilePortableFixLocation AntennaType: PCBantenna AntennaGain: 2.91dBi ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-02 Page:5of7 4SAREvaluation 4.1RFExposureComplianceRequirement 4.1.1StandardRequirement 447498D04InterimGeneralRFExposureGuidancev01 3.2.SARTestReductionGuidance SARtestreductionprocedures[Glossary]allowusingaparticularsetoftestdataasrepresentative ofother,similar,testconditions.Thismaybeappliedfordatawithindifferenttestpositions(e.g.body, head,extremity),wirelessmodes(e.g.Wi-Fi,cellular),andfrequencybands.Thistestreductionprocess providesfortheuseoftestdataforonespecificchannel,whilereferencingtothosedatafordemonstrating complianceinotherrequiredchannelsforeachtestpositionofanexposurecondition,withintheoperating modeofafrequencyband.Thisislimitedspecificallytowhenthereported1-gor10-gSARforthemid- bandorhighestoutputpowerchannelmeetsanyofthefollowingconditions. 4.1.2Limits SAR-basedthresholdsarederivedbasedonfrequency,power,andseparationdistanceoftheRF source.Theformuladefinesthethresholdsingeneralforeitheravailablemaximumtimeaveragedpoweror maximumtime-averagedERP,whicheverisgreater. IftheERPofadeviceisnoteasilydetermined,suchasforaportabledevicewithasmallform factor,theapplicantmayusetheavailablemaximumtime-averagedpowerexclusivelyifthe deviceantennaorradiatingstructuredoesnotexceedanelectricallengthofλ/4. Asfordeviceswithantennasoflengthgreaterthanλ/4wherethegainisnotwelldefined,but alwayslessth…
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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20221202124E-01 Applicant: ShenzhenBaseusTechnologyCo.,Ltd. AddressofApplicant: 2ndFloor,BuildingB,BaseusIntelligencePark,No.2008,XuegangRd,Gangtou Community,BantianStreet,LonggangDistrict,Shenzhen. EquipmentUnderTest(EUT): Product: BaseusWirelessHeadphones ModelNo.: BaseusBowieD05 TestModelNo.:BaseusBowieD05 BrandName: Baseus FCCID: 2A482-D05 Standards:47CFRPart15,SubpartC DateofReceipt:2022-12-12 DateofTest: 2022-12-12to2022-12-29 DateofIssue:2023-01-09 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:2of88 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20221202124E-01Rev.01 Initialreport 2023-01-09 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:3of88 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSIC63.10(2013)PASS ACPowerLineConducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.10(2013)PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(1) ANSIC63.10(2013)PASS 20dBOccupiedBandwidth 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS CarrierFrequencies Separation 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS HoppingChannelNumber 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS DwellTime 47CFRPart15,SubpartCSection 15.247(a)(1) ANSIC63.10(2013)PASS PseudorandomFrequency HoppingSequence 47CFRPart15,SubpartCSection 15.247(b)(4) ANSIC63.10(2013)PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.10(2013)PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.10(2013)PASS RadiatedSpurious emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.10(2013)PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.10(2013)PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:4of88 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION.................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT.................................................................................................................................5 4.3ADDITIONALINSTRUCTIONS........................................................................................................................................7 4.4TESTENVIRONMENT...................................................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS...............................................................................................................................8 4.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................................9 4.7TESTLOCATION........................................................................................................................................................10 4.8TESTFACILITY..........................................................................................................................................................10 4.9ABNORMALITIESFROMSTANDARDCONDITIONS......................................................................................................10 4.10OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..........................................................................................10 4.11EQUIPMENTLIST.....................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA.....................................................................................................12 5.1ANTENNAREQUIREMENT..........................................................................................................................................12 5.2CONDUCTEDEMISSIONS............................................................................................................................................13 5.3CONDUCTEDPEAKOUTPUTPOWER.........................................................................................................................17 5.420DBOCCUPYBANDWIDTH......................................................................................................................................24 5.5CARRIERFREQUENCIESSEPARATION........................................................................................................................30 5.6HOPPINGCHANNE…
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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:61of88 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:62of88 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:63of88 2DH5_Ant1_2441_0~Reference 2DH5_Ant1_2441_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:64of88 2DH5_Ant1_2441_1000~26500 2DH5_Ant1_2480_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:65of88 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:66of88 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:67of88 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:68of88 3DH5_Ant1_2441_30~1000 3DH5_Ant1_2441_1000~26500 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:69of88 3DH5_Ant1_2480_0~Reference 3DH5_Ant1_2480_30~1000 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:70of88 3DH5_Ant1_2480_1000~26500 Remark: Pretest9kHzto25GHz,findthehighestpointwhentesting,soonlytheworstdatawereshowninthetest report.PerFCCPart15.33(a)and15.31(o),Theamplitudeofspuriousemissionsfromintentionalradiators whichareattenuatedmorethan20dBbelowthepermissiblevalueneednotbereportedunlessspecifically requiredelsewhereinthispart. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:71of88 5.10 OtherrequirementsFrequencyHoppingSpreadSpectrumSystem TestRequirement:47CFRPart15CSection15.247(a)(1),(h)requirement: Thesystemshallhoptochannelfrequenciesthatareselectedatthesystemhopping ratefromaPseudorandomorderedlistofhoppingfrequencies.Eachfrequencymustbeusedequally ontheaveragebyeachtransmitter.Thesystemreceiversshallhaveinputbandwidthsthatmatchthe hoppingchannelbandwidthsoftheircorrespondingtransmittersandshallshiftfrequenciesin synchronizationwiththetransmittedsignals. Frequencyhoppingspreadspectrumsystemsarenotrequiredtoemployallavailablehopping channelsduringeachtransmission.However,thesystem,consistingofboththetransmitterandthe receiver,mustbedesignedtocomplywithalloftheregulationsinthissectionshouldthe transmitterbepresentedwithacontinuousdata(orinformation)stream.Inaddition,asystem employingshorttransmissionburstsmustcomplywiththedefinitionofafrequencyhoppingsystem andmustdistributeitstransmissionsovertheminimumnumberofhoppingchannelsspecifiedin thissection. Theincorporationofintelligencewithinafrequencyhoppingspreadspectrumsystemthatpermits thesystemtorecognizeotheruserswithinthespectrumbandsothatitindividuallyand independentlychoosesandadaptsitshopsetstoavoidhoppingonoccupiedchannelsispermitted. Thecoordinationoffrequencyhoppingsystemsinanyothermannerfortheexpresspurposeof avoidingthesimultaneousoccupancyofindividualhoppingfrequenciesbymultipletransmittersis notpermitted. Complianceforsection15.247(a)(1) AccordingtoBluetoothCoreSpecification,thepseudorandomsequencemaybegeneratedinanine- stageshiftregisterwhose5thand9thstage outputsareaddedinamodulo-twoadditionstage.Andtheresultisfedbacktotheinputofthefirst stage.ThesequencebeginswiththefirstONEof9consecutiveONEs;i.e.theshiftregisterisinitialized withnineones. •Numberofshiftregisterstages:9 •Lengthofpseudo-randomsequence:2 9 -1=511bits •Longestsequenceofzeros:8(non-invertedsignal) AnexampleofPseudorandomFrequencyHoppingSequenceasfollow: Eachfrequencyusedequallyontheaveragebyeachtransmitter. AccordingtoBluetoothCoreSpecification,BluetoothreceiversaredesignedtohaveinputandIF bandwidthsthatmatchthehoppingchannelbandwidthsofanyBluetoothtransmittersandshift frequenciesinsynchronizationwiththetransmittedsignals. Complianceforsection15.247(g) AccordingtoBluetoothCoreSpecification,theBluetoothsystemtransmitsthepacketwiththe pseudorandomhoppingfrequencywithacontinuousdataandtheshortbursttransmissionfromthe Bluetoothsystemisalsotransmittedunderthefrequencyhoppingsystemwiththepseudorandom hoppingfrequencysystem. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:72of88 Complianceforsection15.247(h) AccordingtoBluetoothCorespecification,theBluetoothsystemincorporateswithanadaptive systemtodetectotheruserwithinthespectrumbandsothatitindividuallyandindependentlyto avoidhoppingontheoccupiedchannels. AccordingtotheBluetoothCorespecification,theBluetoothsystemisdesignednothavetheability tocoordinatedwithotherFHSSSysteminanefforttoavoidthesimultaneousoccupancyofindividual hoppingfrequenciesbymultipletransmitter. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20221202124E-01 Page:73of88 5.11 RadiatedSpuriousEmission&Restrictedbands TestRequirement:47CFRPart15CSection15.209and15.205 TestMethod:ANSIC63.10:2013 TestSite:MeasurementDistance:3m(Semi-AnechoicChamber) ReceiverSetup: FrequencyDetectorRBWVBWRemark 0.009MHz-0.090MHzPeak10kHz30kHzPeak 0.009MHz-0.090MHzAverage10kHz30kHzAverage 0.090MHz-0.110MHzQuasi-peak10kHz30kHzQuasi-peak 0.110MHz-0.490MHzPeak10kHz30kHzPeak 0.110MHz-0.490MHzAverage10kHz30kHzAverage 0.490MHz-30MHzQuasi-peak10kHz30kHzQuasi-peak 30MHz-1GHzPeak120kHz300kHzPeak Above1GHz Peak1MHz3MHzPeak Peak1MHz10HzAverage Limit: Frequency Fieldstrength (microvolt/meter) Limit (dBuV/m) Remark Measurement distance(m) 0.009MHz-0.490MHz2400/F(kHz)--300 0.490MHz-1.705MHz24000/F(kHz)--30 1.705MHz-30MHz30--30 30MHz-88MHz10040.0Quasi-peak3 88MHz-216MHz15043.5Quasi-peak3 216MHz-960MHz20046.0Quasi-peak3 960MHz-1GHz50054.0Quasi-peak3 Above1GHz50054.0Average3 Note:15.35(b),Unlessotherwisespecified,thelimitonpeakradiofrequency emissionsis20dBabovethemaximumpermittedaverageemissionlimit applicabletotheequipmentundertest.Thispeaklimitappliestothetotal peakemissionlevelradiatedbythedevice. ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ2022…
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1Photographs-EUTTestSetup 1.1RadiatedEmission 9KHz~30MHz: 30MHz~1GHz: Above1GHz: 1.2ConductedEmission
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 700.00 µW |
Baseus True Wireless Earbuds
Equipment Class
DTS - Digital Transmission System
Power Bank
Equipment Class
DCD - Part 15 Low Power Transmitter Below 1705 kHz
Power Bank
Equipment Class
DCD - Part 15 Low Power Transmitter Below 1705 kHzBaseus Open-Ear TWS Earbuds
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
Power bank
Equipment Class
DCD - Part 15 Low Power Transmitter Below 1705 kHz