2BG78-Q21Bluetooth Speaker

Speaker Button Q21 Instruction Manual Feratures : Speaker button operation Precautions: Product Parameter Wir eles s K ar aok e Microphone & Speaker Wir eles s K ar aok e Microphone & Thank you v ery much for choosing the Bluetooth speaker please read themanual carefully befor e use , operate and use it corr ectly and give full play t o the superior performance of the product. This machine has a built-in rechargeable lithium-ion batt ery , please charge it befor e use .Speaker 1234 678 5 TFAUXDC5V ① Power button: long press to turn on/off; short press to switch lights ② key: short press volume down; long press previous song ③ Play pause key: play/pause ④ key: short press the volume up; long press the next song ⑤ M key: switch Bluetooth, TF card, FM mode (Note: TF card mode must be connected to the corresponding device) ⑥ AUX interface ⑦ TYPE-C charging port ⑧ TF card interface ： 5.1 ： DC5V 1A ： 4Ω /6W ： ≥90db ： 80Hz-20KHz ： ≤10m ： 97*9 7*80mm (Not Including Portable) Bluetooth Version Related input Speaker Specification Signal to Noise Ratio Frequency Response Range Bluetooth Distance Speaker Size Bluetooth speaker Usb charging Cable User guide 4. Lighting control: short press the button after power on to switch the color display of the light effect. 5. AUX input: insert the 3.5mm audio plug, it will automatically switch to AUX input mode short press key to control the music volume increase and decrease 6.Speaker charging indicator light, the red light is always on when charging and the light is off when fully charged. Operation Guide 1. Bluetooth mode: long press to turn on, machine Bluetooth pairing name: szouB0-Q21. long press key to control music tracks, short press key to control music volume increase and decrease, Short key to control music pause/play. Short press the M key to switch modes: Bluetooth/ FM/TF card mode. 2. TF card mode: insert the TF card, the music in the TF card will be played automatically, long press key tocontrol music tracks, short press key to control music volume increase and decrease, short press key to control music pause/play. 3.FM mode: Press the M key to switch to the radio mode. short press the key to automatically tunein, long press key to control the up and down, short press the key to control the volume up and down. a. Do not expose this product to rain or humidity b. Do not disassemble, repair or modify this product by yourself c. Please store and use this product in a normal temperature environment d. Do not drop it to avoid damage to the product due to the drop e. Please use the power supply with the rated voltage of the speaker to charge f. Unauthorized disassembly will invalidate the warranty g. Exposure to high volume for a long time may cause hearing damage and the volume should be avoided too high *Due to the continuous improvement of technology or product upgrade, the company has the right to modify the product style.specifications, technical parameters, packaging color box, and the content of the manual without prior notice 1. Note: lf the battery is replaced improperly, there is a risk of explosionand only the same type or equivalent type of battery can be used to replace it 2. A warning that the battery should not be exposed to excessive heat such as sunlight, fire or the like 1 Pcs 1 Pcs 1 Pcs 1) Support Bluetooth Music Playback Function 2)Support Bluetooth Connection Function 3) Smart Assistant (Optional) 4) Support Different Colors of Lighting Control 5) SupportTF Card,Auxinput, FM Radio 6) The Support Capacity does not exceed 32G Speaker Accessories Function Operation Diagram and Description FCC Warning 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

{ShenzhenChaoshangTechnologyCo.,Ltd} FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 {2024-06-25} U.S.AgentDesignation NameandcompanyofU.S.agent:{FCCUSAgent,LLC} PhysicalU.S.addressofagent:{3722lllinoisAvenue,SaintCharles,IL,60174,USA} FRNofU.S.agent:{0033402884} EmailaddressofU.S.agent {Shenzhen Chaoshang Technology Co., Ltd}acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID:2BG78-Q21 ): :{[email protected]} {FCCUSAgent,LLC}acknowledgestheirobligationtoacceptserviceofprocessonbehalfof{Shenzhen ChaoshangTechnologyCo.,Ltd}. {ShenzhenChaoshangTechnologyCo.,Ltd}withtheFRN[{0035602069}]acceptsitsobligationtomaintain anagentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheveris later. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature {dianwu} {li} {Manager} {Shenzhen Chaoshang Technology Co., Ltd} Signature {Tim Payne} {Certification Manager} {FCC US Agent, LLC} 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5

Page1of4 FCCID:2BG78-Q21 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ExternalPhotos Photo1 Photo2 Page2of4 FCCID:2BG78-Q21 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of4 FCCID:2BG78-Q21 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of4 FCCID:2BG78-Q21 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 ------End------

Label FCCID:2BG78-Q21

Page1of5 FCCID:2BG78-Q21 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. InternalPhotos Photo1 Photo2 Page2of5 FCCID:2BG78-Q21 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 TXAntenna Page3of5 FCCID:2BG78-Q21 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 RXAntenna Page4of5 FCCID:2BG78-Q21 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 Page5of5 FCCID:2BG78-Q21 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 Photo10 ------End------

RFExposureevaluation FCCID:2BG78-Q21 1.1.ApplicableStandard Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. Accordingto§1.1310and§2.1093RFexposurerequirement KDB447498v06:MobileandPortableDevicesRFExposureProceduresandEquipmentAuthorization Policies 1.2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSARtest exclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures, standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions, bymeasurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTestExclusion Thresholdcondition,listedbelow,issatisfied.Thesetestexclusionconditionsarebasedonsource-based time-averagedmaximumconductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-up tolerance,andtheminimumtestseparationdistancerequiredfortheexposureconditions.22Theminimum testseparationdistanceisdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresor outersurfaceofthedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements, toanypartofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatformrequirements,typically intheSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRFexposureKDB procedures.WhennootherRFexposuretestingorreportingisrequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfortheSARtest exclusion.Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposureKDB proceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTT two-wayradios,handsets,laptops&tabletsetc.23“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)] · [√f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-gextremitySAR,where: • f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison • 3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmaccordingto5)insection4.1isappliedtodetermineSARtestexclusion. 1.3.Manufacturingtolerance BR-EDR Frequency (MHz) GFSK 240224412480 Target(dBm)-4.0-4.0-4.0 Tolerance ± (dB) 1.01.01.0 Frequency (MHz) π/4-DQPSK 240224412480 Target(dBm)-4.0-4.0-4.0 Tolerance±(dB)1.01.01.0 Frequency (MHz) 8DPSK 240224412480 Target(dBm)-4.0-4.0-4.0 Tolerance±(dB)1.01.01.0 Page2of2 2.EvaluationResult EvaluationResults Band/Modef(GHz) Antenna Distance (mm) Max.RFoutputpower (includingtune-up tolerance) SARTest Exclusion Threshold SARTest Exclusion dBmmW BR-EDR2.55-3.00.500.16<3Yes 3.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolledRFExposure andSARExclusionThresholdperKDB447498v06 .....................EndofReport.........................

Page1of39ReportNo.:AIT24061303W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:ShenzhenChaoshangTechnologyCo.,Ltd Applicantadd.: 606,6thFloor,BuildingC2,ZhonghaoIndustrialCity,Xiangjiaotang Community,BantianStreet,LonggangDistrict,Shenzhen Manufacturer:ShenzhenChaoshangTechnologyCo.,Ltd Manufactureradd.: 606,6thFloor,BuildingC2,ZhonghaoIndustrialCity,Xiangjiaotang Community,BantianStreet,LonggangDistrict,Shenzhen ProductInformation: ProductName:BluetoothSpeaker ModelNo.:Q21 BrandName:N/A FCCID: 2BG78-Q21 Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:June13,2024DateofTest:June13,2024~June14,2024 DateofIssue:June14,2024TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthetest resultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: EmiyaLinSimbaHuang Page2of39ReportNo.:AIT24061303W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 1Contents Page COVERPAGE 1CONTENTS......................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................4 2.1StatementoftheMeasurementUncertainty................................................................................4 2.2MeasurementUncertainty............................................................................................................4 3TESTFACILITY..............................................................................................................................................................5 3.1Deviationfromstandard...............................................................................................................5 3.2Abnormalitiesfromstandardconditions.......................................................................................5 3.3TestLocation.................................................................................................................................5 4GENERALINFORMATION...........................................................................................................................................6 4.1Testfrequencies............................................................................................................................7 4.2EUTPeripheralList.......................................................................................................................8 4.3TestPeripheralList.......................................................................................................................8 4.4TESTMETHODOLOGY...............................................................................................................9 4.5DescriptionofTestModes..........................................................................................................10 5EQUIPMENTUSEDDURINGTEST.........................................................................................................................11 6TESTRESULTSANDMEASUREMENTDATA.....................................................................................................13 6.1Antennarequirement..................................................................................................................13 6.2PeakPowerMeasurement.........................................................................................................14 6.3FrequencySeparationand20dBBandwidth............................................................................16 6.4NumberofHoppingFrequency..................................................................................................18 6.5TimeofOccupancy(DwellTime)...............................................................................................19 6.6ConductedSpuriousEmissionsandBandEdgesTest.............................................................21 6.7Restrict-bandBand-edgeMeasurements..................................................................................23 6.8RadiatedEmissionsMeasurement............................................................................................25 6.9ConductedEmissions.................................................................................................................35 6.10Pseudorandomfrequencyhoppingsequence...........................................................................38 7TESTSETUPPHOTOGRAPHSOFEUT.................................................................................................................39 8EXTERNALPHOTOGRAPHSOFEUT....................................................................................................................39 9INTERNALPHOTOGRAPHSOFEUT.....................................................................................................................39 Page3of39ReportNo.:AIT24061303W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. REPORTREVISERECORD Report Version ReviseTimeIssuedDateValidVersionNotes V1.0/ June14,2024 ValidInitialrelease Page4of39ReportNo.:AIT24061303W1 DongguanYaxu(AiT)TechnologyLimited No.…

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TestreportofonboardPIFAantennain2.4G-2.48Gband SPECIFICATIONS Frequency（MHz）2400-2480 PeakGain（dBi）2.499 AverageGain（dBi）＞-4 VSWR＜3.2 Impedance（Ω）50Ω AntennaTypePlannarInvertedFAntennaonboard PolarizationLinear Testenvironment:ChinaScienceandtechnologydarkroomtestsystem Z X Y Antennaphysicalandphysicaldimensions Length17mmandwidth4mm AntennapassiveS-parameters: Standingwaveratio(VSWR),ReturnLoss(ReturnLoss)andSmith'scircle chart Antennaefficiencyandgain Frequency（MHz）Gain（dBi）Effciency（%）AverageGain（dBi）Efficiency（dB） 24001.43359.329%-2.717-2.267 24100.92751.861%-3.416-2.852 24200.82952.112%-3.166-2.831 24300.88149.299%-3.258-3.072 24401.19250.672%-3.144-2.952 24501.68853.067%-2.735-2.752 24602.19459.423%-2.276-2.260 24702.11856.680%-2.438-2.466 24802.49961.727%-2.112-2.095 Average1.52954.908%-2.806-2.616 Peak2.49961.727%-2.112-2.095 Antenna2440MHz2D-ThetaPattern Antenna2440MHz2D-PhiPattern Antenna2440MHz3D-HorizontalPattern Antenna2440MHz3D-VerticalPattern Antenna2440MHz3D-TotalPattern

DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page1 of61 AppendixA RF Test Data for BT(BDR/EDR)(ConductedMeasurement) ProductName:BluetoothSpeaker TradeMark:N/A Test Model:Q21 EnvironmentalConditions Temperature:24.9°C RelativeHumidity:52.1 % ATM Pressure:101Kpa Test Engineer:Emiyalin Supervisedby:SimbaHaung DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page2 of61 Contents Page COVERPAGE 1Duty Cycle........................................................................................................................................................................................3 1.1Test Result............................................................................................................................................................................3 1.2Test Graphs...........................................................................................................................................................................4 2MaximumConductedPeakOutputPower........................................................................................................................................9 2.1Test Result............................................................................................................................................................................9 2.2Test Graphs.........................................................................................................................................................................10 320dBBandwidth..............................................................................................................................................................................15 3.1Test Result..........................................................................................................................................................................15 3.2Test Graphs.........................................................................................................................................................................16 4CarrierFrequencySeparation.........................................................................................................................................................21 4.1Test Result..........................................................................................................................................................................21 4.2Test Graphs.........................................................................................................................................................................22 5HoppingChannelNumber...............................................................................................................................................................24 5.1Test Result..........................................................................................................................................................................24 5.2Test Graphs.........................................................................................................................................................................25 6DwellTime ......................................................................................................................................................................................27 6.1Test Result..........................................................................................................................................................................27 6.2Test Graphs.........................................................................................................................................................................28 7RF ConductedSpuriousEmissions.................................................................................................................................................31 7.1Test Result..........................................................................................................................................................................31 7.2Test Graphs.........................................................................................................................................................................32 8Band-edgefor RF ConductedEmissions........................................................................................................................................41 8.1Test Result..........................................................................................................................................................................41 8.2Test Graphs.........................................................................................................................................................................42 9Restrict-bandband-edgemeasurements........................................................................................................................................54 9.1Test Result..........................................................................................................................................................................54 9.2Test Graphs.........................................................................................................................................................................56 DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page3 of61 1 Duty Cycle 1.1Test Result ModeFrequency(MHz)Duty Cycle(%)Correction Factor 1/T (kHz) 1-DH1240230.955.092.63 1-DH1244131.25.062.63 1-DH1248031.25.062.63 2-DH1240231.25.062.63 2-DH1244131.215.062.63 2-DH1248031.25.062.63 3-DH1240232.014.952.56 3-DH1244131.684.992.63 3-DH1248031.994.952.56 DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page4 of61 1.2Test Graphs Test Graphs 1-DH12402MHz 1-DH12441MHz DongguanYaxu(A…

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DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page35 of61 π/4DQPSK_LCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page36 of61 π/4DQPSK_MCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page37 of61 π/4DQPSK_HCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page38 of61 8DPSK_LCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page39 of61 8DPSK_MCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page40 of61 8DPSK_HCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page41 of61 8 Band-edgefor RF ConductedEmissions 8.1Test Result Mode Channe l Carrier Frequency [MHz] Frequenc y Hopping Max Spurious Level [dBc] Limit [dB c] Verdict GFSK LCH2402 Off-46.59-20Pass On-46.87-20Pass HCH2480 Off-50.95-20Pass On-45.62-20Pass π/4DQPSK LCH2402 Off-48.02-20Pass On-46.03-20Pass HCH2480 Off-49.79-20Pass On-46.47-20Pass 8DPSK LCH2402 Off-48.57-20Pass On-47.47-20Pass HCH2480 Off-50.7-20Pass On-47.46-20Pass DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page42 of61 8.2Test Graphs Test Graphs Pref GFSK/LCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page43 of61 Ref GFSK/LCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page44 of61 Ref GFSK/HCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page45 of61 Ref. GFSK/HCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page46 of61 Ref π/4DQPSK/LCH/No Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page47 of61 Ref π/4DQPSK/LCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page48 of61 Ref π/4DQPSK/HCH/No Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page49 of61 Ref π/4DQPSK/HCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page50 of61 Ref 8DPSK/LCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page51 of61 Ref 8DPSK/LCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page52 of61 Ref 8DPSK/HCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page53 of61 Ref 8DPSK/HCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page54 of61 9 Restrict-bandband-edgemeasurements 9.1 Test Result Test Mode HoppingFreq. Power [dBm] Gain Duty Factor E [dBuV/m] Detector Limit [dBuV/m] Verdict GFSK Off2310.0-50.272.499-47.489PEAK74Pass Off2310.0-56.772.4995.0946.079AV54Pass Off2338.128-45.742.499-52.019PEAK74Pass Off2377.968-54.092.4995.0948.759AV54Pass Off2390.0-51.572.499-46.189PEAK74Pass Off2390.0-56.032.4995.0946.819AV54Pass Off2483.5-48.192.499-49.569PEAK74Pass Off2483.5-56.92.4995.0645.919AV54Pass Off2498.656-47.762.499-49.999PEAK74Pass Off2498.8-55.542.4995.0647.279AV54Pass Off2500.0-49.892.499-47.869PEAK74Pass Off2500.0-56.522.4995.0646.299AV54Pass π/4DQPSK Off2310.0-50.422.499-47.339PEAK74Pass Off2310.0-57.092.4995.0645.729AV54Pass Off2354.352-45.112.499-52.649PEAK74Pass Off2377.968-54.062.4995.0648.759AV54Pass Off2390.0-48.92.499-48.859PEAK74Pass Off2390.0-56.652.4995.0646.169AV54Pass Off2483.5-50.912.499-46.849PEAK74Pass Off2483.5-56.532.4995.0646.289AV54Pass Off2485.264-46.342.499-51.419PEAK74Pass Off2487.568-55.382.4995.0647.439AV54Pass Off2500.0-50.092.499-47.669PEAK74Pass Off2500.0-56.222.4995.0646.599AV54Pass 8DPSK Off2310.0-50.292.499-47.469PEAK74Pass Off2310.0-56.242.4994.9546.469AV54Pass Off2340.048-45.752.499-52.009PEAK74Pass Off2377.872-54.382.4994.9548.329AV54Pass DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page55 of61 Off2390.0-50.572.499-47.189PEAK74Pass Off2390.0-56.492.4994.9546.219AV54Pass Off2483.5-47.452.499-50.309PEAK74Pass Off2483.5-57.142.4994.9545.569AV54Pass Off2494.24-44.892.499-52.869PEAK74Pass Off2498.416-55.632.4994.9547.079AV54Pass Off2500.0-48.72.499-49.059PEAK74Pass Off2500.0-56.072.4994.9546.639AV54Pass DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page56 of61 9.2Test Graphs Restrict-bandband-edgemeasurements_HoppingOff_ GFSK_PEAK(LowChannel) Restrict-bandband-edgemeasurements_HoppingOff_ GFSK_Average(LowChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page57 of61 Restrict-bandband-edgemeasurements_HoppingOff_ GFSK_PEAK(HighChannel) Restrict-bandband-edgemeasurements_HoppingOff_ GFSK_Average(HighChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page58 of61 Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_PEAK(LowChannel) Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_Average(LowChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT24061303W1 FCC ID : 2BG78-Q21 Page59 of61 Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_PEAK(HighChannel) Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_Average…

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