2BO4Z-WX20Wireless microphone

UNIVERSAL WIRELESS MICROPHONE UNIVERSAL WIRELESS Diagram of the Handheld Conference Microphone Series Metal mesh head Set Button Volume + Volume - Status Display Switch 18650 Rechargeable battery compartment 5V charging port U S E M A N U A L Diagram of the Receiver ⑤ ① ② ③ ④ 1.Audio Output 6.35mm plug 2.Battery Compartment Insert 18650 rechargeable battery, open the battery cover and replace it directly 3.Charging Port TYPE-C charging port with a specification of DC 5V. 4.Power Switch Press and hold this switch for 3 seconds to turn on/off power of transmitter 5.Receive antenna Receive the signal from the transmitter Operating Steps for Handheld Transmitter and Receiver 1.Long press the power buttons on both the handheld transmitter and receiver to turn them on. The transmitter will automatically scan and pair with the receiver; no manual frequency matching is required. 2. Unscrew the tail tube of the handheld transmitter, short press the SET button to change the frequency channel (32 frequency points for Channel ). After adjustment, the receiver will synchronize automatically. Specification Parameters RF Carrier Frequency Range: 560.1-591.1MHz Number of Channels: 32 Sensitivity: -60dB Oscillation Mode: DSP chip frequency locking Frequency Stability: ±10PPm RF Power: 5 dBm Audio Frequency Response: 40~18000Hz Distortion: <0.5% Battery Specification: 18650 Li-ion battery Use distance: about 10 meters Usage Time: 6 hours FCC Statement Note:This equipmenthas beentestedand foundto complywiththe limitsfor a ClassB digitaldevice,pursuantto part 15 of the FCC Rules.Theselimitsare designedto providereasonableprotectionagainstharmfulinterferencein a residentialinstallation.This equipmentgenerates,usesand can radiateradiofrequencyenergyand,if not installedand usedin accordancewiththe instructions, may causeharmfulinterferenceto radiocommunications.However,thereis no guaranteethat interferencewill not occurin a particular installation.If this equipmentdoescauseharmfulinterferenceto radioor televisionreception,whichcan be determinedby turningthe equipmentoff and on, the user is encouragedto try to correctthe interferenceby one or moreof the followingmeasures: —Reorientor relocatethe receivingantenna. —Increasethe separationbetweenthe equipmentand receiver. —Connectthe equipmentinto an outleton a circuitdifferentfromthat to whichthe receiveris connected. —Consultthe dealeror an experiencedradio/TVtechnicianfor help. This devicecomplieswithpart 15 of the FCC Rules.Operationis subjectto the followingtwo conditions:(1)This devicemaynot cause harmfulinterference,and (2) this devicemustacceptany interferencereceived,includinginterferencethatmaycauseundesired operation. Any changesor modificationsnot expresslyapprovedby the partyresponsiblefor compliancecouldvoid the user'sauthorityto operate the equipment. The device has evaluated to meet general RF exposure requirement. The device can be used be in portable exposure without restriction.

EnpingZhongxinheTechnologyCo.,Ltd Address：4thFloor,A2,Zone1,No.74EnzhouIndustrialAvenue,Dong'anIndustrialPark, EnpingCity,JiangmenCity,GuangdongProvince,China Date:2026-08-12 FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BO4Z-WX20 FRN:0037004793 (“EnpingZhongxinheTechnologyCo.,Ltd”)certifiesthat,asofthedateofthefilingofthe application,CELLTINC.isourdesignatedU.S.agentforserviceofprocessfortheabove referencedFCCID.(“EnpingZhongxinheTechnologyCo.,Ltd”)acceptstomaintainanagent fornolessthanoneyearafterthegranteehasterminatedallmarketingandimportationorthe conclusionofanyCommission-relatedproceedinginvolvingtheequipment. CELLTINC.accepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:CELLTINC. Address:140121STST#12958SACRAMENTO,CA95811UnitedStates FRN：0036412567 ContactPerson:ThompsonLim Tel.:(424)347-4188 Email:[email protected] Sincerely, SignedonbehalfofEnpingZhongxinhe TechnologyCo.,Ltd SignedonbehalfofCELLTINC. Name:XianshengJinName:ThompsonLim Title:ManagerTitle:GeneralManager Date:2026-08-12Date:2026-08-12

Rev1/26/2023 EnpingZhongxinheTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026-08-12 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BO4Z-WX20 (“EnpingZhongxinheTechnologyCo.,Ltd”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. (“EnpingZhongxinheTechnologyCo.,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, (Applicantsignature)XianshengJin (Applicantprintedname) Rev1/26/2023 EnpingZhongxinheTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026-08-12 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BO4Z-WX20 (“EnpingZhongxinheTechnologyCo.,Ltd”)certifiesthat,asofthedateofthefilingoftheapplication, EnpingZhongxinheTechnologyCo.,LtdisnotidentifiedontheCoveredList(asaspecificallynamed entityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)XianshengJin

EnpingZhongxinheTechnologyCo.,Ltd Date：2026-08-12 Product/ModelNumber:WirelessMicrophone/WX20 FCCID: 2BO4Z-WX20 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By:XianshengJin ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:13424388340 Onbehalfof:EnpingZhongxinheTechnologyCo.,Ltd

EnpingZhongxinheTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:August12,2026 Subject;RequestforConfidentiality FCCID:2BO4Z-WX20 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:XianshengJin Title:Manager

Page1of4 ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict,Shenzhen,China Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn FCCID:2BO4Z-WX20ExternalPhotos Page2of4 ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict,Shenzhen,China Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn Page3of4 ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict,Shenzhen,China Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn Page4of4 ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict,Shenzhen,China Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn

FCCID:2BO4Z-WX20

RFExposureEvaluationReport FCCID:2BO4Z-WX20 AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093 ， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤5mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, SoaSARtestisnotrequired ModeFrequen cy (MHz) Max Power (dBm) Targetpower W/tolerance (dBm) Maxtuneup power tolerance (dBm) Max Power (mW) Min. Distance (mm) Calc. thresholds limit GFSK560.1 2.453 1.5±1.0 2.5 1.77835.000.2662 3.0 575.1 1.212 1.5±1.02.5 1.77835.000.2697 3.0 591.1 0.709 1.5±1.02.5 1.77835.000.2734 3.0

Page 1 of 36 Hotline:400-8868-419http://www.ncttesting.cn FCCTESTREPORT FCCID:2BO4Z-WX20 Product: WirelessMicrophone ModelName: WX20 Brand: N/A ReportNo.: NCT260261654E1-1 Preparedfor EnpingZhongxinheTechnologyCo.,LTD 4thFloor,A2,Zone1,No.74EnzhouIndustrialAvenue,Dong'anIndustrialPark, EnpingCity,JiangmenCity,GuangdongProvince,China Preparedby ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict, Shenzhen,People’sRepublicofChina TEL:400-8868-419 ReportNo.:NCT260261654E1-1 Page 2 of 36 Hotline:400-8868-419http://www.ncttesting.cn TESTRESULTCERTIFICATION Applicant’sname:EnpingZhongxinheTechnologyCo.,LTD Address: 4thFloor,A2,Zone1,No.74EnzhouIndustrialAvenue,Dong'an IndustrialPark,EnpingCity,JiangmenCity,GuangdongProvince,China Manufacture'sname:EnpingZhongxinheTechnologyCo.,LTD Address: 4thFloor,A2,Zone1,No.74EnzhouIndustrialAvenue,Dong'an IndustrialPark,EnpingCity,JiangmenCity,GuangdongProvince,China Productname:WirelessMicrophone Modelname:WX20 Standards:FCCCFR47Part15Section15.236 Testprocedure: ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+Erratato C63.10a-2024 Dateoftest:Jul.22,2026-Aug.05,2026 DateofIssue:Aug.05,2026 ThisdevicedescribedabovehasbeentestedbyNCT,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlyto thetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofNCT,thisdocument maybealteredorrevisedbyNCT,personalonly,andshallbenotedintherevisionofthedocument. TestEngineer: KevenWu/Engineer TechnicalManager: HenryWang/Manager ReportNo.:NCT260261654E1-1 Page 3 of 36 Hotline:400-8868-419http://www.ncttesting.cn TableofContentsPage TESTRESULTCERTIFICATION...................................................................................2 1.VERSION...................................................................................................................5 2.SUMMARYOFTESTRESULTS...............................................................................6 2.1TESTFACILITY.................................................................................................................7 2.2MEASUREMENTUNCERTAINTY....................................................................................7 3.GENERALINFORMATION.........................................................................................8 3.1GENERALDESCRIPTIONOFEUT.................................................................................8 3.2DESCRIPTIONOFTESTMODES....................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED..............9 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)......................................10 4.EMCEMISSIONTEST.............................................................................................12 4.1CONDUCTEDEMISSIONMEASUREMENT............................................................12 4.1.1POWERLINECONDUCTEDEMISSIONLIMITS..................................................12 4.1.2TESTPROCEDURE...............................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD..................................................................13 4.1.4TESTSETUP...........................................................................................................13 4.1.5EUTOPERATINGCONDITIONS...........................................................................13 4.1.6TESTRESULTS......................................................................................................13 4.2RADIATEDEMISSIONMEASUREMENT.................................................................16 4.2.1RADIATEDEMISSIONLIMITS...............................................................................16 4.2.3TESTSETUP...........................................................................................................17 4.2.4TESTPROCEDURE...............................................................................................17 4.2.5TESTRESULTS....................................................................................................17 5.MAXIMUMRADIATEDPOWER(EIRP)...................................................................22 5.1APPLIEDPROCEDURES/LIMIT.............................................................................22 5.2TESTPROCEDURE..................................................................................................22 5.3DEVIATIONFROMSTANDARD...............................................................................22 5.4TESTSETUP..............................................................................................................22 5.5EUTOPERATIONCONDITIONS..............................................................................22 5.6TESTRESULTS.........................................................................................................23 6.CHANNELBANDWIDTH.........................................................................................25 6.1APPLIEDPROCEDURES/LIMIT..................................................................................25 6.2TESTPROCEDURE........................................................................................................25 6.3DEVIATIONFROMSTANDARD.....................................................................................25 6.4TESTSETUP...................................................................................................................25 ReportNo.:NCT260261654E1-1 Page 4 of 36 Hotline:400-8868-419http://www.ncttesting.cn TableofContentsPage 6.5EUTOPERATIONCONDITIONS....................................................................................25 6.6TESTRESULTS..............................................................................................................25 7.NECESSARYBANDWIDTH..............................................................…

Text truncated - open the document above for the full version.

No.：FRKF-0007 versions：1.1 1 规 格 书 Specification 有限公司 Jinxing Electronics Co., LTD 600MHz PCB Antenna；V1.0 核准 approve 审核 check 编制 authorized FrankWenSenSean 2025.03.202025.03.202025.03.20 深圳市宝安区航城街道黄麻布社区第二工业区德合源工业园B栋厂房2层205 Room 205, 2nd Floor, Building B, Deheyuan Industrial Park, Second Industrial Zone, Huangmabu Community, Hangcheng Sub-district, Bao 'an District, Shenzhen City No.：FRKF-0007 versions：1.1 2 目录 1. Electrical Performance........................................................................................................3 2. Measurement Setup.............................................................................................................4 3. Mechanical Dimension Drawing........................................................................................6 版本描述 release description 日期DATE批准approve版本release 描述description 2019-07-29 V1.0 初版editio princeps No.：FRKF-0007 versions：1.1 3 1. Electrical Performance A.Electrical Characteristics S.W.R Frequency Range(MHz ＜ 2.0@560-600MHz ) Impedanc 560-600MHz e50 Ohm Gain MAX：1.7dBi@560-600MHz B.Material C.Environmental Operation Temperature-20°C~65°C Storage Temperature FR4 FR4 On-board antenna on the circuit board No.：FRKF-0007 versions：1.1 4 2. Measurement Setup (1)Reflection coefficient Measurement: (a)Instrument: Network Analyzer (b)Setup: (I )Calibrate the NetworkAnalyzer by one port calibration usingAgilent calibration kits. (II )Connect the antenna under test to the NetworkAnalyzer (III )Measure the S11 ( reflection coefficient) shown in Fig.1 Fig.1 Measure S11 on Network Analyze No.：FRKF-0007 versions：1.1 天线增益与效率 A n t e n na g a i n a n d e f f i c i enc y 天线 Antenna E f f i c i e n c y G i a n ( d B ) F r e q ( M H z ) ( % ) 8.74 1.2 9.20 -1.5 10.20 天线辐射方向 1.7 图 A n t e nn a R a d i a t i on P a tt e r n X V eu t 一 T O TA L 一 H P a L 一 v p o t M ax : 5 M i n : - 30 u n i t d B i S ca l e : 5 / d i v z x c u t Y Z eu t 一 T O T A L 一 TO T A L 一 - H L P O L — HP a 一 V P o L — v p o u M ax : 5 M i n : - 3 0 un i t : d B i un i t d B i S c a e : S d v S ea l e : 5 d i v 5 560MHz 580MHz 600MHz 560MHz 580MHz 600MHz

Page1of2 ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict,Shenzhen,China Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn FCCID:2BO4Z-WX20TestPhoto Page2of2 ShenzhenNCTTestingTechnologyCo.,Ltd. A101&2FB2,Fuqiao6thArea,XintianCommunity,FuhaiStreet,BaoanDistrict,Shenzhen,China Hotline:400-8868-419Fax:86-755-27790922http://www.ncttesting.cn