2BNRF-BTM20BT Module

ReferenceNo.:WTX25X10264478W001/002Page1of8 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT1-PRODUCTLABELING ProposedFCCIDLabelFormat FCCID:2BNRF-BTM20 Specifications:Thelabelshallbesecurelyaffixedtoapermanentlyattachedpartofthedevice,inalocation whereitisvisibleoreasilyaccessibletotheuser,andshallnotbereadilydetachable.Thelabelshallbe sufficientlydurabletoremainfullylegibleandintactonthedeviceinallnormalconditionsofusethroughout thedevice’sexpectedlifetime. ProposedLabelLocationonEUT FCCIDLabel Location

1.RFExposureRequirements 1.1GeneralInformation ClientInformation Applicant:SUNTEKELECTRONICSCO.,LTD. Addressofapplicant: Floor2,BuildingA5,No.8MinkangWestRoad,TorchDevelopment Zone,ZhongshanCity,GuangdongProvince,China Manufacturer:SUNTEKELECTRONICSCO.,LTD. Addressofmanufacturer: Floor2,BuildingA5,No.8MinkangWestRoad,TorchDevelopment Zone,ZhongshanCity,GuangdongProvince,China GeneralDescriptionofEUT: ProductName:BTModule TradeName/ ModelNo.:BTM20 AddingModel(s):/ RatedVoltage:DC3.3V BatteryCapacity:/ AdapterModel:/ FCCID:2BNRF-BTM20 EquipmentType:Portabledevice TechnicalCharacteristicsofEUT: Bluetooth BluetoothVersion:V5.4(BR/EDRmode) FrequencyRange:2402-2480MHz RFOutputPower:2.30dBm(Conducted) DataRate:1Mbps,2Mbps Modulation:GFSK,π/4DQPSK QuantityofChannels:79 ChannelSeparation:1MHz TypeofAntenna:PCBAntenna AntennaGain:-0.58dBi Bluetooth BluetoothVersion:V5.4(LEmode) FrequencyRange:2402-2480MHz RFOutputPower: 1Mbps:1.43dBm(Conducted) 2Mbps:1.69dBm(Conducted) DataRate:1Mbps,2Mbps Modulation:GFSK QuantityofChannels:40 ChannelSeparation:2MHz TypeofAntenna:PCBAntenna AntennaGain:-0.58dBi 1.2RFExposureExemption Accordingto§1.1307(b)(3)andKDB447498D04InterimGeneralRFExposureGuidancev01,system operatingundertheprovisionsofthissectionshallbeoperatinginamannerthatthepublicisnotexposedto radiofrequencyenergylevelinexcesslimitformaximumpermissibleexposure. OptionA:FCCRulePart1.1307(b)(3)(i)(A):Theavailablemaximumtime-averagedpowerisnomorethan 1mW,regardlessofseparationdistance. OptionB:FCCRulePart1.1307(b)(3)(i)(B):Theavailablemaximumtime-averagedpoweroreffective radiatedpower(ERP),whicheverisgreater,islessthanorequaltothethresholdP th (mW)describedinthe followingformula.P th isgivenby: OptionC:FCCRulePart1.1307(b)(3)(i)(C):Theminimumseparationdistance(Rinmeters)fromthebodyof anearbypersonforthefrequency(finMHz)atwhichthesourceoperates,theERP(watts)isnomorethanthe calculatedvalueprescribedforthatfrequency.Rmustbeatleastλ/2π,whereλisthefree-spaceoperating wavelengthinmeters. SingleRFSourcesSubjecttoRoutineEnvironmentalEvaluation RFSourcefrequency(MHz)ThresholdERP(watts) 0.3-1.341,920R 2 1.34-303,450R 2 /f 2 30-3003.83R 2 300-1,5000.0128R 2 f 1,500-100,00019.2R 2 ForMultipleRFsources:FCCRulePart1.1307(b)(3)(ii): (A)Theavailablemaximumtime-averagedpowerofeachsourceisnomorethan1mWandthereisa separationdistanceoftwocentimetersbetweenanyportionofaradiatingstructureoperatingandthe nearestportionofanyotherradiatingstructureinthesamedevice,exceptifthesumofmultiplesourcesis lessthan1mWduringthetime-averagingperiod,inwhichcasetheymaybetreatedasasinglesource (separationisnotrequired). (B)InthecaseoffixedRFsourcesoperatinginthesametime-averagingperiod,orofmultiplemobileor portableRFsourceswithinadeviceoperatinginthesametimeaveragingperiod,ifthesumofthe fractionalcontributionstotheapplicablethresholdsislessthanorequalto1asindicatedinthefollowing equation. 1.3CalculatedResult Radio Access Technology Prediction Frequency Output Power Antenna Gain Duty Cycle Tune-Up Time-AveragedPower ERP (MHz)(dBm)(dBi)(%)(dBm)(dBm) Bluetooth24022.30-0.581003.000.27 Frequency Option Min.DistanceMax.PowerExposureLimit Ratio Result (MHz)(cm)(dBm)(mW)(mW)Pass/Fail 2402B0.53.002.002.7880.72Pass Note:1.Time-AveragedPower=OutputPower*DutyCycle;ERP=Time-AveragedPower+Antenna gain-2.15dB 2.OptionA,BandCrefersasclause1.2. 3.ForoptionB,Max(time-averagedpower,effectiveradiatedpower(ERP))convertstoMax.Power.For optionC,ERPconvertstoMax.Power; 4.ForoptionB,P th (mW)convertstoExposureLimit(mW);ForoptionC,ERP(W)convertstoExposure Limit(mW). 5.Ratio=Tune-UpERP(mW)/ExposureLimit(mW) ModeforSimultaneousMulti-bandTransmission: RadioAccess Technology Ratio1Ratio2 Simultaneous Ratio Limit Result Pass/Fail ------------ Result:Pass

Inverted F Antenna Specification Summary ANT SPECITEM 2.4G ANTModel Name VerticalHorizontal 2400MHz 2500MHz2400MHz2500MHz2400MHz 2400MHz Center Frequency -1.86-2.46-5.25-0.58-0.76-1.26 MAX. Gain Horizontal and VerticalPolarization Azimuth Beam Pattern Omni-directional 50 OhmImpedance Type of Antenna Manufacture SUNTEK ELECTRONICS CO.,LTD Antenna Photo & Length (mm) Manufacture Address Floor 2 Building A5, No.8 Minkang West Road, Torch Development Zone, Zhongshang City, Guangdong Province, China -0.58dBi PCB Antenna Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Frequency (MHz) AvgMinMax -7.18716-30.0801-1.261742400 -7.48023-36.5604-0.7658022450 -6.59127-22.0315-0.5855822500 Gain(dBi) Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Frequency (MHz) AvgMinMax -12.4294-22.1424-5.25372400 -10.4702-24.5837-2.46522450 -9.20432-29.5214-1.861202500 ANT Test Labs：Attestation of Global Compliance Co., Ltd. Gain(dBi)

WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 1 of 48 TESTREPORT ReferenceNo.......................:WTX25X10264478W002 FCCID....................................:2BNRF-BTM20 Applicant...............................:SUNTEKELECTRONICSCO.,LTD. Address.................................: Floor2,BuildingA5,No.8MinkangWestRoad,TorchDevelopmentZone, ZhongshanCity,GuangdongProvince,China Manufacturer........................:ThesameasApplicant Address.................................:ThesameasApplicant ProductName......................:BTModule ModelNo...............................:BTM20 Standards..............................:FCCPart15.247 DateofReceiptsample.....:2025-10-09 DateofTest...........................:2025-10-11to2025-11-14 DateofIssue........................:2025-11-19 TestReportFormNo.......... : WTX_Part15_247W TestResult............................:Pass Remarks: Theresultsshowninthistestreportreferonlytothesample(s)tested,thistestreportcannotbe reproduced,exceptinfull,withoutpriorwrittenpermissionofthecompany.Thereportwouldbeinvalidwithout specificstampoftestinstituteandthesignaturesofapprover. PreparedBy: WaltekTestingGroup(Shenzhen)Co.,Ltd. Address:1/F.,Room101,Building1,HongweiIndustrialPark,Liuxian2ndRoad, Block70Bao'anDistrict,Shenzhen,Guangdong,China Tel.:+86-755-33663308Fax.:+86-755-33663309Email:[email protected] Testedby:Approvedby: GalaWang/ProjectEngineerJasonSu/Manager ReferenceNo.:WTX25X10264478W002 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 2 of 48 TABLEOFCONTENTS 1.GENERALINFORMATION........................................................................................................................................4 1.1PRODUCTDESCRIPTIONFOREQUIPMENTUNDERTEST(EUT)............................................................................4 1.2TESTSTANDARDS.....................................................................................................................................................5 1.3TESTMETHODOLOGY...............................................................................................................................................5 1.4TESTFACILITY..........................................................................................................................................................5 1.5EUTSETUPANDTESTMODE.................................................................................................................................6 1.6MEASUREMENTUNCERTAINTY.................................................................................................................................7 1.7TESTEQUIPMENTLISTANDDETAILS......................................................................................................................8 2.SUMMARYOFTESTRESULTS.............................................................................................................................12 3.ANTENNAREQUIREMENT.....................................................................................................................................13 3.1STANDARDAPPLICABLE.........................................................................................................................................13 3.2EVALUATIONINFORMATION....................................................................................................................................13 4.POWERSPECTRALDENSITY...............................................................................................................................14 4.1STANDARDAPPLICABLE.........................................................................................................................................14 4.2TESTSETUPBLOCKDIAGRAM...............................................................................................................................14 4.3TESTPROCEDURE..................................................................................................................................................14 4.4SUMMARYOFTESTRESULTS/PLOTS....................................................................................................................14 5.DTSBANDWIDTH......................................................................................................................................................15 5.1STANDARDAPPLICABLE.........................................................................................................................................15 5.2TESTSETUPBLOCKDIAGRAM...............................................................................................................................15 5.3TESTPROCEDURE..................................................................................................................................................15 5.4SUMMARYOFTESTRESULTS/PLOTS....................................................................................................................15 6.RFOUTPUTPOWER................................................................................................................................................16 6.1STANDARDAPPLICABLE.........................................................................................................................................16 6.2TESTSETUPBLOCKDIAGRAM...............................................................................................................................16 6.3TESTPROCEDURE..................................................................................................................................................16 6.4SUMMARYOFTESTRESULTS/PLOTS....................................................................................................................16 7.FIELDSTRENGTHOFSPURIOUSEMISSIONS.................................................................................................17 7.1STANDARDAPPLICABLE............................................................…

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