Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
AttestationStatements (Jan27,2026) TO:FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046,USA RE:AttestationStatementsPart2.911(d)(7)requestfor(FCCID:2BUMI-SJ-104-ZH) (ShenzhenMuchengshunTradingCo.,Ltd.),theundersigned,herebyauthorize XINNAISIINC.toactasourdesignatedU.S.agentforserviceofprocess,(Shenzhen MuchengshunTradingCo.,Ltd.)acceptstomaintainanagentfornolessthanoneyear afterthegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment. XINNAISIINCacceptstheresponsibilitytoactasdesignatedU.S.agentforserviceof process. ApplicantInformation: CompanyName:ShenzhenMuchengshunTradingCo.,Ltd. ContactName:YanghaoZheng Address:Room302,No.39,Block1,YucuiNewVillage,Yucui Community,LonghuaStreet,ShenzhenChina FRN:0037930773. TelephoneNo:16659163344 Email:[email protected] Signature [YanghaoZheng] U.S.AgentInformation: CompanyName:XINNAISIINC Address:1500NGRANTSTSTER,DENVER,CO80203 FRN:0037518289 ContactName:KiKi TelephoneNo:+01(951)893-3011 Email:[email protected] Signature [KiKi]
Rev9/15/2025 ShenzhenMuchengshunTradingCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:Jan27,2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BUMI-SJ-104-ZH ShenzhenMuchengshunTradingCo.,Ltd.certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. ShenzhenMuchengshunTradingCo.,Ltd.certifiesthattheequipmentforwhichauthorizationissought doesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.orany ofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). █Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, YanghaoZheng ShenzhenMuchengshunTradingCo.,Ltd. Rev9/15/2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:Jan27,2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BUMI-SJ-104-ZH ShenzhenMuchengshunTradingCo.,Ltd.certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesor affiliates)asanentityproducing“covered”equipment. Sincerely, YanghaoZheng ShenzhenMuchengshunTradingCo.,Ltd.
OA-C11SpecificationsGuangzhou Cambricon Electronics Technology Co., Ltd. SMDAntenna Specifications OverAir®SMDAntenna series conform toRoHSspecification PN:OA-C11 OA- 2.4 GHz ISMFrequency band antenna Manufacturer's NameGuangzhou Cambrian Electronic Technology Co., Ltd. AddressBuilding 1, Hongda Creative Park, No. 1 Yunsang Road, Yunpu Street, Huangpu District, Guangzhou City C11_V02 OA-C11SpecificationsGuangzhou Cambricon Electronics Technology Co., Ltd. Features 1.Size only3.3 x 1.7 x 1.2 mm3small sizeSMDPatch antenna. 2.Low energy loss and high antenna efficiency. 3.It exhibits high stability under varying temperature and humidity conditions. application 1. 2.4GHz ISMFrequency band antenna applications 2.Bluetooth,ZigBeeWireless applications, smart home applications, etc. 3. WIFI(only2.4G) structure The feed pads and mounting pads at both ends of the antenna are not distinguished. size Three viewssymbolsize(mm) L3.3±0.2 w1.7±0.1 T1.2±0.1 a0.5±0.1 OA-C11_V02 OA-C11SpecificationsGuangzhou Cambricon Electronics Technology Co., Ltd. Electrical characteristics OA-C11Specification Operating frequency rangeWorking Frequency2450±50MHz bandwidthBand Width > 100MHz impedanceImpedance50Ω GainGain(dBi)3.85(peak) Standing BobbyVSWR <2 Operating temperatureOperating Temperature- 40°C~+95°C Power withstandPower Capacity 3W antenna2.4GThe operating frequency needs to be adjusted using impedance matching devices. Antenna pad and trace design PCBSchematic diagram PCBDesign dimensions drawing OA-C11_V02 OA-C11SpecificationsGuangzhou Cambricon Electronics Technology Co., Ltd. Matching device valuesSeries devicesSeries 1High frequency inductor2.2nh Parallel devicesShunt 1High frequency inductor3.9nh Series devicesSeries 2resistance0ohm OA-C11_V02 OA-C11SpecificationsGuangzhou Cambricon Electronics Technology Co., Ltd. Antenna testing on test board (board thickness)1.0mm) antennaS11characteristic antennaVSWRcharacteristic OA-C11_V02 OA-C11SpecificationsGuangzhou Cambricon Electronics Technology Co., Ltd. Efficiency and Radiation Diagram Efficiency, radiation pattern, gain, and other performance metrics are derived from the test board design.OA-C11Antenna specification characteristic test data is based on tests.PCBThe data was obtained based on the board dimensions and the test orientation shown in the diagram below. The following data is from...ETS 3DThe microwave anechoic chamber test has been completed. X Z Y Gain and efficiencybandwidth2.4G-2.5GHz Peak gainPeak Gain 3.85dBi In-band average gain Average Gain across the band 3.76dBi In-band gain range Gain range across the band 3.53dBi~3.85dBi Peak efficiencyPeak Efficiency 63.2% In-band average efficiency 58.8% OA-C11_V02 OA-C11SpecificationsGuangzhou Cambricon Electronics Technology Co., Ltd. Average Efficiency across the band In-band efficiency range Efficiency Range across the band 54.1%~63.2% Theta @2.45 GHz Phi @2.45 GHz Total @2.45 GHz Welding conditions A typical reliable and non-destructive welding specification is shown in the figure below: OA-C11_V02 OA-C11SpecificationsGuangzhou Cambricon Electronics Technology Co., Ltd. Package Plastic carrier tape specifications (unit:mm) OA-C11_V02 OA-C11SpecificationsGuangzhou Cambricon Electronics Technology Co., Ltd. IndexAoBo ΦD TW Dimension (mm) 2.0±0.14.0±0.11.55±0.051.8±0.112±0.1 IndexEFPoP1P2 Dimension (mm) 1.5±0.15.4±0.14.0±0.14.0±0.12.0±0.1 Reel size IndexABC Dimension (mm)1786013.5 Standard quantity:2500 PCS/plate. Storage environment The following conditions must be met when storing the product: temperature humidity The product should not be placed in contact with corrosive gases, such as sulfur. Chlorine or acid may cause oxidation of the product electrodes, resulting in decreased solderability. The product should be stored in a toolbox and protected from moisture and dust. The product should be stored in a warehouse and protected from heat, vibration, and direct sunlight. The product should be stored in a sealed environment. : : - 10°C~+40°C 30%to70%relative humidity OA-C11_V02
ShenzhenMuchengshunTradingCo.,Ltd. Date:Jan27,2026 ProductModelNumber:SJ-104-ZH FCCID:2BUMI-SJ-104-ZH Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:YanghaoZheng Email:[email protected] Telephone:16659163344 Onbehalfof:ShenzhenMuchengshunTradingCo.,Ltd.
ShenzhenMuchengshunTradingCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:January30,2026 Subject;RequestforConfidentiality FCCID:2BUMI-SJ-104-ZH ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. █SchematicDiagram █BlockDiagram PartsList █OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); █ExternalPhotos █TestSetupPhotos █InternalPhotos █UserManual █For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:YanghaoZheng Title:Manager
FCCID:2BUMI-SJ-104-ZH FCCLabelSample FCCLabelSpecifications TextisBlackincolorandisjustified.Labelsareprintedinindelibleinkonpermanent adhesivebackingorsilk-screenedontotheEUTorshallbeaffixedataconspicuouslocation ontheEUT.WheretheEUTisconstructedintwoormoresectionsconnectedbywiresand marketedtogether,theabovestatementisrequiredtobeaffixedonlytothemaincontrol unit.WhentheEUTissosmallorforsuchusethatitisnotpracticabletoplacethestatement onit,theaboveinformationshallbeplacedinaprominentlocationintheinstructionmanual orpamphletsuppliedtotheuseror,alternatively,shallbeplacedonthecontainerinwhich thedeviceismarketed. FCCLabelLocation Size:10mm*8mm FCCID:2BUMI-SJ-104-ZH LabelLocation
FCCID:2BUMI-SJ-104-ZH RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093,Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-g extremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThresholdcondition(s),listed below,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevicecanbeusedin portableexposureconditionwithoutrestriction. ForBLE Max Conducted Power(dBm) Tune-up Power(dBm) Max Tune-up Power(dBm) Max Power(W)Frequency(MHz) Min. distance(mm) Calc. thresholds limit -7.47-7.47(±1)-6.470.0002254224805 0.0709995892 3.0 SoaSARtestisnotrequired
-Page 1 of 39 -ReportNo.:HB20251127006E-01 Add:Room102,201,Building2,YuanwangguRFIDIndustrialPark,TongguanRoad,TianliaoCommunity,YutangStreet,GuangmingDistrict,Shenzhen,China Tel:(86-755)29989321Fax:(86-755)29985110Web:www.sz-hongbiao.com TestReport Product: Peniscage TradeMark: N/A ModelNumber: SJ-104-ZH FCCID: 2BUMI-SJ-104-ZH Preparedfor ShenzhenMuchengshunTradingCo.,Ltd. Room302,No.39,Block1,YucuiNewVillage,Yucui Community,LonghuaStreet,ShenzhenChina Preparedby ShenzhenHongBiaoCertification&TestingCo.,Ltd. Room102,201,Building2,YuanwangguRFIDIndustrialPark,Tongguan Road,TianliaoCommunity,YutangStreet,GuangmingDistrict,Shenzhen, China Tel.:+86-755-29989321Fax.:+86-755-29985110 Website:http://www.sz-hongbiao.com -Page 2 of 39 -ReportNo.:HB20251127006E-01 Add:Room102,201,Building2,YuanwangguRFIDIndustrialPark,TongguanRoad,TianliaoCommunity,YutangStreet,GuangmingDistrict,Shenzhen,China Tel:(86-755)29989321Fax:(86-755)29985110Web:www.sz-hongbiao.com TableofContents 1GENERALDESCRIPTION........................................................................................................................................6 1.1DESCRIPTIONOFEUT.................................................................................................................................................6 1.2TESTMODE...............................................................................................................................................................6 1.3OPERATIONCHANNELLIST...........................................................................................................................................7 1.4TESTSETUP...............................................................................................................................................................7 1.5POWERSETTINGCONFIGURATIONPARAMETERS................................................................................................................7 1.6ANCILLARYEQUIPMENT...............................................................................................................................................7 2SUMMARYOFTESTRESULT..................................................................................................................................8 3TESTFACILITIESANDACCREDITATIONS................................................................................................................9 3.1TESTLABORATORY......................................................................................................................................................9 3.2ENVIRONMENTALCONDITIONS......................................................................................................................................9 3.3MEASUREMENTUNCERTAINTY......................................................................................................................................9 3.4TESTSOFTWARE.......................................................................................................................................................10 4LISTOFTESTEQUIPMENT...................................................................................................................................11 5TESTITEMANDRESULTS....................................................................................................................................13 5.1ANTENNAREQUIREMENT...........................................................................................................................................13 5.1.1StandardRequirement..............................................................................................................................13 5.1.2TestResult..................................................................................................................................................13 5.2CONDUCTEDEMISSION..............................................................................................................................................14 5.2.1Limits..........................................................................................................................................................14 5.2.2TestProcedures..........................................................................................................................................14 5.2.3TestSetup...................................................................................................................................................15 5.2.4TestResult..................................................................................................................................................15 5.3RADIATEDEMISSION.................................................................................................................................................18 5.3.1Limits..........................................................................................................................................................18 5.3.2TestProcedures..........................................................................................................................................18 5.3.3TestSetup...................................................................................................................................................18 5.3.4TestResult..................................................................................................................................................19 5.3.5BandEdge-Radiated................................................................................................................................23 5.3.6Spuriousemissioninrestrictedband1000MHz-25000MHz....................................................................24 5.4PEAKOUTPUTPOWER..............................................................................................................................................25 5.4.1Limit...............................…
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| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 179.00 µW |