2BWV3-AU385BTamplifier

AU385BT Owner’s Manual POWER ONOFF MIC-1MIC-2TALK-OVERDELAYECHOBASSMIDTREBLEAUXUSBSUB VOL MUSIC VOL MODEBTSTOPCH-AUTOCH+ MIC VOL MIN MAXMIN MAX 5.1 CHANNEL KARAOKE AMPLIFIER 5.1 CHANNEL KARAOKE AMPLIFIER AU385BT This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment complies with the FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and any part of your body. Specifications subject to change without prior notice AC115V/60Hz 360x220x90(mm) 20mV/600 Ohm AU385BT 500mV/33k Ohm 200WATTS <1% 8 Ohm ≥72dB ≥70dB ±1.5dB ±12dB 3.5 kg Technical Specifications Frequency Response(40Hz-15KHz) Tone Characteristic(100Hz-10KHz) PMPO,8 Ohms, 1KHz test Main Channel Power Output Input Sensitivity Impedance Normal Load Impedance Signal to Noise Ratio Power Requirements Frequency Range AUX,DVD,USB,BT,FM, Pure Amplifier THD(1KHz) Microphone KARAOKE Technical Dimension Weight(N.W) TECHNICAL SPECIFICATIONS 2 1 3 6 5 4 Technical specifications Mp3 remote Function and bluetooth Connecting to amplifier Table of contents TABLE OF and FEATURES CONTENTS Table of and features 1 6 Features ◆ Digital karaoke system, ◆ 2 Mic Input, priority to microphone ◆ All-digital adjustment function ◆ Full function protect system ◆ USB For MP3 Player ◆ FM Tuner Function ◆ Optical and coaxial input 5.1 Channel output ◆ Bluetooth Function ◆ LED Dispaly Function ◆ Remote Function Precautions and attention Front and rear panel AUDIO INPUT AUX BT ANT AUX DVD DVD LINE LINEOPT COA FM ANT OUTPUT INPUT LL RR CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN MADE IN CHINA AUTO FAN SPEAKER (4Ω-8Ω) SPEAKER (8Ω-16Ω) AC IN ~115V 60Hz RIGHT Channel Output x2 MODEL:AU385BT 5.1 CHANNEL KARAOKE AMPLIFIER SR FRFLSUB CENSL SPEAKER OUTPUT SPEAKER OUTPUT 5 2 1.Power source-The unit should be connected to a power supply AC~115V/60Hz. 2.Ventilation-The unit should be situated so that its location or position does not interfere with its proper ventilation. Place the unit at least 10cm away from the walls. 3.Water and moisture-The unit should not be used near water-for example, near a swimming pool in a wet basement, etc. 4.Electric shock-if a metal object, such as hair pin or needle comes into contact inside this unit, a dangerous electric shock may result. For families with children, never permit children to put anything, especially metal, inside this unit. 5.Enclosure removal-Never remove the enclosure. If the internal parts are touched accidentally, a serious electric shock might occur. 6.Abnormal smell-if an abnormal smell or smoke is detected, immediately turn the power OFF and pull out the power cord. Contact your dealer or nearest service station. 7. INPUT SELECT There are four input sources，press input select keys (AUX,DVD,BT,FM,USB,OPT,COA) to choose input source. 8. MICROPHONE VOLUME: MIC VOL. Adujst “MIC VOL”knob change the karaoke volume. 9. ECHO Adjust “ECHO”can get a satiable echo effect. 10. TREBLE/MIDDLE/BASS Turn “TREBLE”/“BASS”/“MIDDEL”knob to adjust master channel treble/ bass tones 11. MASTER VOLUME Adjust “MASTER.VOL”turn right volume up, turn left volume down. Precautions PRECAUTIONS and ATTENTION Connecting to amplifier CONNECTING TO AMPLIFIER FM ANTENNABT ANTENNA DVD AUX AMPLIFIER Left speaker 2 MICROPHONE INPUT Right Right speaker speaker speaker speaker USB INPUT When you want to listen to the radio, press input key to select tuner(FM) and then press scan button to seek for the station. FM radio tuning ATTENTION: CENTER SPEAKER REAR RIGHT SPEAKER REAR LEFT SPEAKER power supply power supply bluetooth POWER ONOFF MIC-1MIC-2TALK-OVERDELAYECHOBASSMIDTREBLEAUXUSBSUB VOL MUSIC VOL MODEBTSTOPCH-AUTOCH+ MIC VOL MIN MAXMIN MAX 5.1 CHANNEL KARAOKE AMPLIFIER AU385BT Rear panel FRONT and REAR PANEL FUNCTIONMp3 and BLUETOOTH FUNCTION Front panel 3 4 9. AUX INPUT jack 4. MIC DELAY control 5. MIC ECHO control 7. MIDDLE control 8. TREBLE control 6. BASS control 3. Microphone priority on/off key 10. USB JACK 2. MIC1.MIC2 jacks 12. MUSIC VOLUME control 20. MIC VOLUME control 15. USB/BT play prev and tuner(CH-) key 17. USB/BT play stop 16. LED display window 13. USB/BT play next and tuner(CH+) key 14. USB/BT play pause and tuner scan key 18. BT signal selector key 19. AUX,DVD,BT,FM,USB,OPT,COA signal selector 1. POWER switch 2. AUX1 signal input jack 3. DVD signal input jack 4. COAXIAL signal input 5. OPTICAL signal input 1. LINE signal output jack 8. Front speaker Right channel output 7. Subwoofer …

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AudishakoTechnologyCo.,Limited FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 [2026.08.10] U.S.AgentDesignation [AudishakoTechnologyCo.,Limited]acknowledgestheirconsentforthefollowingcontactlocatedintheUnited Statestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought (FCCID:2BWV3-AU385BT): NameandcompanyofU.S.agent:[GLOCERTSTECHNOLOGYINC] PhysicalU.S.addressofagent:[19784SUNKISSEDRIDGEDR,RIVERSIDE,CA92507] FRNofU.S.agent:[0036339737] EmailaddressofU.S.agent:[[email protected]] TelephoneofU.S.agent:(626)588-8039 [GLOCERTSTECHNOLOGYINC]acknowledgestheirobligationtoacceptserviceofprocessonbehalfof [AudishakoTechnologyCo.,Limited]. [AudishakoTechnologyCo.,Limited]withtheFRN[0038611943]acceptsitsobligationtomaintainanagent forserviceofprocessintheUnitedStatesfornolessthan1yearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofany Commission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Sincerely, SignatureSignature [AllenLiang][HuiyingFan] [Manager] [Director] [AudishakoTechnologyCo.,Limited][GLOCERTSTECHNOLOGYINC]

AttestationStatement. OldCode:C526609124NewCode:00015544Ed.3 Changereason:FRNisaddedtotheApplicantinformationsection. 1/1 TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:AudishakoTechnologyCo.,Limited Granteecode:2BNYY FCCID:2BWV3-AU385BT FRN:0038611943 ContactName:AllenLiang Address:ROOMC10FLAT7,9/FBLOCKAGOLDWAYINDUSTRIALCENTRE16-20WINGKIN ROADKWAICHUNGNT,HongKong TelephoneNo:13823442545 FaxNo: Email:[email protected] i.[AudishakoTechnologyCo.,Limited](“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.[AudishakoTechnologyCo.,Limited](“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,theapplicant[isnot](asaspecifically namedentityoranyofitssubsidiariesoraffiliates)identifiedontheCovered Listasanentityproducing“covered”equipment.Theapplicantmustsignthis certification. [AudishakoTechnologyCo.,Limited](“theapplicant”)certifiesthat,asofthedate ofthefilingofthe application,theapplicant[isnot]identifiedontheCoveredList asanentityproducing“covered” equipment. Date:2026/08/10 Applicant’sName:zhaoyanglong Title:Manager Signature TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

AudishakoTechnologyCo.,Limited Code00018768Ed.1 Item1.Thedeviceisabletoinstallsoftware/programinstallation? ☐ Yes,gotoItem2. ☒ No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky cybersecurityoranti-virussoftware. Item2.TechnicalRequirementsforKasperskyCybersecuritySoftware: #GeneralRequirements(ForallDevices)Yes/NoorN/AComments 1Internetconnectionforactivationandupdates(ForallOperating Systems) N/A Deviceamplifier CompanynameAudishakoTechnologyCo.,Limited Granteecode2BWV3 FCCID2BWV3-AU385BT FRN0038611943 ContactnameAllenLiang AddressROOMC10FLAT7,9/FBLOCKAGOLDWAY INDUSTRIALCENTRE16-20WINGKINROAD KWAICHUNGNT,HongKong Telephonenumber13823442545 [email protected] Chipset/moduleinformation OperatingSystem(ifapplicable) StorageCapacity(harddriveorother permanentmemorystorage,ifapplicable) N/A N/A Control IC:TP2399RF IC:AB5301 2 #GeneralRequirements(ForWindowsDevices)Yes/NoorN/AComments 1Storage:1500MBfreespaceontheharddriveN/A 2OperatingSystem: MicrosoftWindows8,8.1,10&11Home/Pro/Enterprise Microsoft Windows7Starter/HomeBasic&Premium/Professional/ UltimateSP1orhigher N/A 3Processor:1GHzorhigher(x86orx64)N/A 4Memory(RAM)1GB(32-bit)or2GB(64-bit)N/A 5ScreenResolution:Minimumresolutionof1024x768N/A #GeneralRequirements(FormacOSdevices)Yes/NoorN/AComments 1OperatingSystemmacOS®13–14N/A 2Memory(RAM)4GBN/A 3Storage:3455MBfreespaceontheharddriveN/A #GeneralRequirements(ForAndroidDevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:Android™10–14N/A 3ScreenResolution:Minimumresolutionof320x480N/A #GeneralRequirements(foriOSdevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:iOS®17N/A #GeneralRequirements(ForLinuxsystem)Yes/NoorN/AComments 3 1Harddrive:1GBoffreespaceN/A 2CPU:IntelPentium1GHzorhigherN/A 3RAM:1GBN/A 4Minimumsoftwarerequirements: AlmaLinuxOS8orlater; AlterOS7.5orlater; AstraLinuxCommonEdition2.12orlater; CentOS6.7orlater; DebianGNU/Linux10.0orlater; EulerOS2.0orlater; OracleLinux7.3orlater; RedHatEnterpriseLinux6.7orlater; RockyLinux8.5orlater; SUSELinuxEnterpriseServer12.5orlater; Ubuntu12.04orlater; UncomOSHome/Business/Education/Enterprise2.2orlater; ALTLinuxWorkstaton/WorkstationK/Server/Education8or later; ROSALinuxWorkstation/Server12orlater; REDOS7.3andlater; N/A Afterreviewedthetechnicalrequirements,isthedevicecapableofsupportingtheinstallationof Kasperskysoftware? ☐Yes,gotoItem3. ☒No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky software Item3.ConnectivityCapabilities: 4 #PhysicalInterfacePurposeJustification 1 1 #WirelessInterfacePurposeJustification 1 1 Afterthereviewofthisitems,thedevice: ☒Cannotsupportinstallationofanycybersecurityoranti-virussoftwareonthecoveredlist. ☐ Potentiallycanoperatewithanycybersecurityoranti-virussoftwareonthecoveredlist–additionalthird- partyproofisprovidedtodemonstratecompliancewithrequirementsasof2.911(d)5(i),(ii)–“Proofof CompliancewithCoveredListSoftwareRequirements”ofthisdocumentapplies Signature:Name: AllenLiang Date:2026-08-10 1 Thejustificationfieldisusedtojustifywhythesoftwarecannotbereceivedthroughthatinterface.Checktheannexformore indications.

TCBCALLpágina1 FileFCCID:2BWV3-AU385BT PleaseuploadanexhibitthatexplainshowdoestheTCBverifythenewagentinformation: 1-IstheaddressoftheagentavalidphysicalUSmailingaddress(notaUSpostofficebox,notavirtualmailbox,notP.O.Boxes,notavacantlot,notapublicbuilding, etc.) ○Wehavecheckediftheaddressexistsinarealandpotentialbuilding(Googlemaps)+officialUSregister,afterthisverificationandtheevidencebelowwecan guaranteethefollowing: notaUSpostofficebox notavirtualmailbox notP.O.Boxes notavacantlot notapublicbuilding(note) ►WecheckedtheFCCFRNSearchbasedontheinformationprovidedbythegrantee. Ontheofficialregisterfrom:https://bizfileonline.sos.ca.gov/search/business TCBCALLpágina2 TCBCALLpágina3 TCBCALLpágina4 TCBCALLpágina5 Ingoogle: TCBCALLpágina6 Bankinformation TCBCALLpágina7 TCBCALLpágina8 TCBCALLpágina9 TCBCALLpágina 10 GOLOCERTSTECHNOLOGYINCADDRESSPROFF WaterBill TCBCALLpágina 11 TCBCALLpágina 12 TCBCALLpágina 13 TCBCALLpágina 14 TCBCALLpágina 15 TCBCALLpágina 16 ►CONCLUSIONbyTCB:TheASOPdefinedandprovidedbygranteeisVALIDandconfirmed.Thereforetheexhibit"C5266091_X23_Ed1_US_Agent_Letter" includedinthefileisok. 2-IstheagentphysicallylocatedatthatvalidUSaddresssuchthattheagentcanbelegallyservedatthataddress? Yes,checkabove 3-Hasthelistedagentclearlyagreedinwritingtoserveastheagentforthegranteeatthataddress? Yes,itisincludedintheexhibit"C5266091_X23_Ed1_US_Agent_Letter" >

C5266091_X10_Ed.2 1/1 <AudishakoTechnologyCo.,Limited> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date: Subject:RequestforConfidentiality FCCID:2BWV3-AU385BT ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselectedabove arewithheldfrompublicviewforaperiodof______daysfromthedateoftheGrantof EquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:AllenLiang Title:manager

C5266091_X8_Ed.1 1/1 LetterofAuthorization <AudishakoTechnologyCo.,Limited> Company:AudishakoTechnologyCo.,Limited Address:ROOMC10FLAT7,9/FBLOCKAGOLDWAYINDUSTRIALCENTRE16- 20WINGKINROADKWAICHUNGNT,HongKong ProductName:amplifier ModelNumber:AU385BT FCCIdentifier:2BWV3-AU385BT WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningtheabove namedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformationrelated totheapprovalprojecttotheFederalCommunicationCommissionandtodiscuss anyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby LGAITechnologicalCenterS.A.onourbehalfshallhavethesameeffectasacts ofourown. Name:AllenLiangDate:2026-08-10 Title:manager Signatureofapplicant:

ReportNo.:BKC26074295GE-4 ExternalPhotos ReportNo.:BKC26074295GE-4 ReportNo.:BKC26074295GE-4

FCCID:2BWV3-AU385BT 1CM 0.5CM

ReportNo.:BKC26074295GE-5 InternalPhotos ReportNo.:BKC26074295GE-5 ANT FMANT ReportNo.:BKC26074295GE-5 ReportNo.:BKC26074295GE-5 ReportNo.:BKC26074295GE-5 ReportNo.:BKC26074295GE-5

FCCID:2BWV3-AU385BT RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1091，Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremity SARevaluationforgeneralpopulationexposureconditions,bymeasurementornumericalsimulation,isnot requiredwhenthecorrespondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. TestResultofRFExposureEvaluation BTmode FCCRFExposureEvaluation Frequency (MHz) Antenna Gain (dBi) Antenna Gain (numeric) Max conducted power(dBm) Outputpower toantenna (mW) PowerDensity atR=20cm (mW/cm2) Limit (mW/cm2) Result 240221.5856.034.010.0012641PASS Remark:2.4GBTantennagain=2dBi EIRP=dBμV/m-95.2=103.23-95.2=8.03dBm, conductedpower=EIRP-ANTGain=8.03-(2)=6.03dBm

ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26074295GE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage1of30 TESTREPORT Applicant:AudishakoTechnologyCo.,Limited Address: ROOMC10FLAT7,9/FBLOCKAGOLDWAYINDUSTRIAL CENTRE16-20WINGKINROADKWAICHUNGNT,HongKong Manufacturer:FOSHANAIXIANGELECTRONICS.,LTD Address: G3-2FANHUDEVELOPMENTZONE,LEPINGTOWN,SANSHUI CENTERSCI-TECHINDUSTRIALPARK,FOSHANCITY, GUANGDONGPROVINCE,CHINA ProductName:amplifier ModelNumber:AU385BT Trademark:N/A FCCID:2BWV3-AU385BT TestDate: Jul.19,2026toJul.29,2026 DateofReport: Jul.29,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyBKC,andthetest resultsshowthattheequipmentundertest(EUT)isincompliance withtheStandardrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.249 ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+Erratato C63.10a-2024 Preparedby(TestEngineer): StenHuang Approved(Manager): CaseyWang Approved(Manager): JerryLiao ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26074295GE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage2of30 TABLEOFCONTENT 1.GeneralInformation......................................................................................4 1.1.DescriptionofDevice(EUT).......................................................................................................................4 1.2.ChannelList..................................................................................................................................................4 1.3.Summaryoftestresult................................................................................................................................5 1.4.SpecialAccessoriesandAuxiliaryEquipment........................................................................................5 1.5.BlockDiagram...............................................................................................................................................5 1.6.Testmode......................................................................................................................................................6 1.7.TestConditions.............................................................................................................................................6 1.8.MeasurementUncertainty(95%confidencelevels,k=2)......................................................................6 1.9.TestFacility....................................................................................................................................................7 1.10.TestEquipment...........................................................................................................................................7 2.Conductedemissionatthemainsterminalstest......................................9 2.1.Limit................................................................................................................................................................9 2.2.TestSetup......................................................................................................................................................9 2.3.TestProcedure..............................................................................................................................................9 2.4.TestResult...................................................................................................................................................10 3.RadiatedSpuriousEmissions...................................................................12 3.1.Limit..............................................................................................................................................................12 3.2.TestSetup....................................................................................................................................................13 3.3.TestProcedure............................................................................................................................................15 3.4.TestResult...................................................................................................................................................16 4.-20dBBandwidthMeasurement...............................................................24 4.1.Limit..............................................................................................................................................................24 4.2.TestSetup....................................................................................................................................................24 4.3.TestProcedure............................................................................................................................................24 4.4.TestResult...................................................................................................................................................24 5.AntennaRequirement.................................................................................29 6.TestPhotographs........................................................................................30 7.AppendixI:PhotosoftheEUT..................................................................30 ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26074295GE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage3of30 RevisionHistoryofThisTestReport ReportNumberDescriptionIssuedDate BKC26074295GE-1InitialIssue2026-07-29 ShenzhenBKCTestingCo.,Ltd.ReportNo.:BKC26074295GE-1 TestReportTel:4000-875-3820755-84829082Web:Http://www.bkc-lab.comPage4of30 1.GeneralInformation 1.1.DescriptionofDevice(EUT) EUTName: amplifier ModelNo.:AU385BT ModelDifference:N/A Powersupply:AC110-120V50/60Hz25W Operationfrequency:2402-2480MHz Max.FieldStrength: 103.23dBuV/m Modulation: GFSK,Pi/4DQPSK,8DPSK AntennaType:Externalantenna,MaximumGainis2dBi HardwareVersion…

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1 1 2 0 1 - 0 0 1 1 987 1 7 0 1 - 0 0 0 2 6 1 D E S C R I P T I O N D A T E R E V A 0 A 1 N A M E D W G - 0 4 8 3 - 0 1 - H A 0 A 4 PART NAME (REV) SIZE) PRODUCT NO.) DS. C hen Luo CUS NO. Page 1 o f 1 Assembly drawing PRODUCT NAME UNIT :mm SCALE CHK. APP. OPEN-2.4G Rubber Antenna-L250 3030-0055 O RIGINAL DATE 2025-9-16 2 4 0 0 - 2 5 0 0 M H z 2 d B i ＜ 2 . 0 ： 1 L i n e a r . V e r t i c a l 5 0 W 5 0 O H M FREQUENCY RANGE GainVSWR PolarzationMa x power rating Ｌ mpedance Name No. Description Q'ty Part No. 1 1 1 3 0 1 - 0 0 5 5 23 1 2 0 1 - 0 0 0 9 2 1 4 1 2 0 1 - 0 0 3 9 1 2 0 1 - 0 0 1 0 5 1 1 8 0 1 - 0 0 3 1 1 1 / 1 0 1 8 0 1 - 0 0 1 5 1 / 1 0 0 2 6 . 5 3 5 0 ± 1 3 5 0 ± 1 2 7 87±1mm 104±2 7 . 7 ∅ 1 6 3 4 5 9 0 ° 1 1 . 5 1 . 5 2 . 0 7 6 2 . 0 1 . 5 1 . 5 2 5 0 ± 5 1 2 0 1 - 0 0 7 1. 13 Black -48- Silver -FEP L=350mm 13*L12 -E x posed Wire 2dib- Blac k 9.3*25 -E x posed Wire- Blac k R u bber 1.5*3.0 -E x posed Wire- Blac k R u bber 9.3*30.5 -E x posed Wire- Blac k R u bber 4.5*24 -2.4G Copper T u be- Nic k el Plated 9.0*67.5 -E x posed Wire- Blac k R u bber 220*1 00*0.4（W h ite-edged Bone Bag）Per f orated 330*250*0.4（W h ite-edged Bone Bag）Per f orated 7 1 2 . 0 1 . 5 1 . 5 F u lly tinned F u lly tinned Wire 2.4G Clip 2.4G Base Rivet 2.4G Upper Seat Copper Part 2.4G Rubber Sleeve PE Bag PE Bag Requirements: 1. 100% continuity test required for finished products. 2. 100% full inspection required for finished products. 3. Environmentally friendly manufacturing processes must be adopted. 4. Finished products must comply with RoHS requirements. Connector pull-out force: 5 kg min. 5. Tolerances not specified shall be subject to general tolerances. ZHUHAI JIELI TECHNOLOGY CO.,LTDNo.333 Kexing Road, Nanping Science Park, Xiangzhou District, Zhuhai

ReportNo.:BKC26074295GE-3 EUTTESTPHOTO ReportNo.:BKC26074295GE-3