2ADDH-44521-KBMonoprice Full Size Wireless Keyboard

-Monoprice, Inc. - The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 8/16/23 U.S. Agent Designation [Monoprice, Inc.] 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:[2ADDH-44521-KB]): Name and company of U.S. agent:Monoprice, Inc. Physical U.S. address of agent:1 Pointe Drive Suite 400, Brea CA 92821 USA FRN of U.S. agent:0024003816 Email address of U.S. agent:[email protected] [Monoprice, Inc.] acknowledges their obligation to accept service of process on behalf of [Monoprice, Inc.]. [Monoprice, Inc.] with the FRN [0024003816] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). Sincerely, Signature [Name]Jayson Bustamante [Title]Purchasing AP [Company]Monoprice, Inc. Signature [Name of U.S. agent]Jayson Bustamante [Title of U.S. agent]Purchasing AP [Company of U.S. agent]Monoprice, Inc. 48_[model] US_Agent_2.911(d)(7)-U, V04

-Monoprice,Inc.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 8/24/23 Towhomitmayconcern: We,[Monoprice,Inc.],herebycertifythattheequipmentforwhichauthorizationissought(FCCID: [2ADDH-44521-KB])isnot“covered”equipmentprohibitedfromreceivinganequipmentauthorization pursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature [DavidFuge] [Sr.Director,ProgramManagement] [Monoprice,Inc.] 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

ProjectNo.:18220WC301552Page 1 of 4 AppendixII--ExternalPhotograph ProjectNo.:18220WC301552Page 2 of 4 ProjectNo.:18220WC301552Page 3 of 4 ProjectNo.:18220WC301552Page 4 of 4

ProjectNo.:18220WC301552Page 1 of 3 AppendixIII--InternalPhotograph ProjectNo.:18220WC301552Page 2 of 3 ProjectNo.:18220WC301552Page 3 of 3 ANT

RFEXPOSUREEVALUATION FCCID:2ADDH-44521-KB AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 2402-2.95-2.95 ±1 -1.9550.1983 GFSK 2440-2.85-2.85 ±1 -1.8550.2043 2480-3.17-3.17±1-2.1750.1913 Result:NoStandaloneSARtestisrequired.

Page1of26 AppendixTestData ReportNo.:18220WC30155201TestSampleNo.:1-2-2 StartTestDate:2023.07.27FinishTestDate:2023.08.01 TestEngineer:Auditor: Temperature:25.3 °C RelativeHumidity:48% Pressure:1012hPa AppendixA:20dBEmissionBandwidth TestResult TestModeAntennaFrequency[MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 2.4GAnt1 24021.7762401.1122402.888------ 24401.7582439.1302440.888------ 24801.8062479.1062480.912------ Page2of26 TestGraphs 2.4G_Ant1_2402 2.4G_Ant1_2440 2.4G_Ant1_2480 Page3of26 Page4of26 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 2.4GAnt1 24021.87512401.12162402.9967------ 24401.93412439.09282441.0269------ 24801.98122479.07202481.0532------ Page5of26 TestGraphs 2.4G_Ant1_2402 2.4G_Ant1_2440 2.4G_Ant1_2480 Page6of26 Page7of26 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode AntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict 2.4GAnt1 2402-2.95≤20.97PASS 2440-2.85≤20.97PASS 2480-3.17≤20.97PASS Page8of26 TestGraphs 2.4G_Ant1_2402 2.4G_Ant1_2440 2.4G_Ant1_2480 Page9of26 Page10of26 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict 2.4GAnt1Hop2.000≥1.204PASS Page11of26 TestGraphs 2.4G_Ant1_Hop Page12of26 AppendixE:Timeofoccupancy TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict 2.4GAnt1Hop0.081880.007≤0.4PASS Page13of26 TestGraphs 2.4G_Ant1_Hop Page14of26 AppendixF:Numberofhoppingchannels TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict 2.4GAnt1Hop16≥15PASS Page15of26 TestGraphs 2.4G_Ant1_Hop Page16of26 AppendixG:Bandedgemeasurements TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 2.4GAnt1 Low2402-3.97-40.23≤-23.97PASS High2480-4.11-46.14≤-24.11PASS LowHop_2402-4.73-56.27≤-24.73PASS HighHop_2480-5.75-55.84≤-25.75PASS Page17of26 TestGraphs 2.4G_Ant1_Low_2402 2.4G_Ant1_High_2480 2.4G_Ant1_Low_Hop_2402 Page18of26 2.4G_Ant1_High_Hop_2480 Page19of26 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 2.4GAnt1 2402 Reference-4.08-4.08---PASS 30~1000-4.08-65.96≤-24.08PASS 1000~26500-4.08-50.2≤-24.08PASS 2440 Reference-4.10-4.10---PASS 30~1000-4.10-65.73≤-24.1PASS 1000~26500-4.10-51.38≤-24.1PASS 2480 Reference-4.43-4.43---PASS 30~1000-4.43-65≤-24.43PASS 1000~26500-4.43-45.43≤-24.43PASS Page20of26 TestGraphs 2.4G_Ant1_2402_0~Reference 2.4G_Ant1_2402_30~1000 2.4G_Ant1_2402_1000~26500 Page21of26 2.4G_Ant1_2440_0~Reference 2.4G_Ant1_2440_30~1000 Page22of26 2.4G_Ant1_2440_1000~26500 2.4G_Ant1_2480_0~Reference 2.4G_Ant1_2480_30~1000 Page23of26 2.4G_Ant1_2480_1000~26500 Page24of26 AppendixI:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] 2.4GAnt1 24020.084.491.7817.50 24400.084.491.7817.50 24800.084.491.7817.50 Page25of26 TestGraphs 2.4G_Ant1_2402 2.4G_Ant1_2440 2.4G_Ant1_2480 Page26of26 ---End---

ReportNo.:18220WC30155201FCCID:2ADDH-44521-KBPage1of30 Code:AB-RF-05-b FCCTestReport Applicant:Monoprice,Inc. Address:1PointeDriveSuite400,BreaCA92821USA ProductName:MonopriceFullSizeWirelessKeyboard ReportDate:Aug.24,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30155201FCCID:2ADDH-44521-KBPage2of30 Code:AB-RF-05-b Contents 1.GeneralInformation ............................................................................................................................................6 1.1.ClientInformation .....................................................................................................................................6 1.2.DescriptionofDevice(EUT) ..................................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest .................................................................................................7 1.4.DescriptionofTestConfiguration ..........................................................................................................7 1.5.DescriptionOfTestSetup .......................................................................................................................8 1.6.TestEquipmentList .................................................................................................................................9 1.7.MeasurementUncertainty ....................................................................................................................10 1.8.DescriptionofTestFacility ....................................................................................................................10 2.SummaryofTestResults .................................................................................................................................11 3.ConductedEmissionTest ................................................................................................................................12 3.1.TestStandardandLimit ........................................................................................................................12 3.2.TestSetup ...............................................................................................................................................12 3.3.TestProcedure .......................................................................................................................................12 3.4.TestData .................................................................................................................................................12 4.RadiationSpuriousEmissionandBandEdge .............................................................................................13 4.1.TestStandardandLimit ........................................................................................................................13 4.2.TestSetup ...............................................................................................................................................13 4.3.TestProcedure .......................................................................................................................................14 4.4.TestData .................................................................................................................................................15 5.MaximumPeakOutputPowerTest ................................................................................................................23 5.1.TestStandardandLimit ........................................................................................................................23 5.2.TestSetup ...............................................................................................................................................23 5.3.TestProcedure .......................................................................................................................................23 5.4.TestData .................................................................................................................................................23 6.20DBOccupyBandwidthTest ........................................................................................................................24 6.1.TestStandard ..........................................................................................................................................24 6.2.TestSetup ...............................................................................................................................................24 6.3.TestProcedure .......................................................................................................................................24 6.4.TestData .................................................................................................................................................24 7.CarrierFrequencySeparationTest ................................................................................................................25 7.1.TestStandardandLimit ........................................................................................................................25 7.2.TestSetup ...............................................................................................................................................25 7.3.TestProcedure .......................................................................................................................................25 7.4.TestData .................................................................................................................................................25 8.NumberofHoppingChannelTest ..................................................................................................................26 8.1.TestStandardandLimit ........................................................................................................................26…

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

version01 Monoprice,Inc. DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:44521 FCCID:2ADDH-44521-KB fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:IBM2.4GHz Typeofantenna:PCBAntenna Gainoftheantenna:-1.52dBi Frequencyrange:2402-2480Mhz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:Monoprice,Inc. Address:1PointeDriveSuite400,BreaCA92821USA City:Brea ZIP/Postalcode:92821 Country:USA Place:CADate:8/24/2023 Signature:

AntennaSpecification Specifications Summary ITEMSPEC. ModelNameIBM2.4GHz CenterFrequency2402MHz-2.10dBi 2441MHz-1.78dBi 2480MHz-1.52dBi MAX.GAIN-1.52dBi PolarizationHorizontal AzimuthBeamPatternOmni-directional Impedance50Ω AntennaLength31.5cm Manufacturer:DongguanYuqiElectronicTechnologyCo.,Ltd Address:ShajiaoCommunity,HumenTown,DongguanCity,PhoenixMountain LinhaiIndustrialZone Roadfactorybuildingonthesecondfloor AntennaPhoto&Length 1.Mainantenna:2402MHz 1.1Horizontal 1.2Vertical 2.Mainantenna:2441MHz 2.1Horizontal 2.2Vertica . 3.Mainantenna:2480MHz 3.1Horizontal 3.2Vertical 4.Result CenterFrequencyMaximumAntGain 2402MHzH-2.10dBi V-5.02dBi 2441MHzH-1.78dBi V-5.80dBi 2480MHzH-1.52dBi V-4.52dBi

ProjectNo.:18220WC301552Page 1 of 1 AppendixI--TestSetupPhotograph_RF Emissionsinrestrictedfrequencybands(below1GHz) Emissionsinrestrictedfrequencybands(above1GHz)