2BBY9-SI-2183Keyboard

东莞市索艾电子科技有限公司

-Dongguan Suoai Electronics Co., LTD - Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 6/29/2023 U.S. A� nation [Dongguan Suoai Electronics 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: [2BBY9-SI-2183]): Name and company of U.S. agent: Linkwld LLC Physical U.S. address of agent: 1942 Broadway St. STE 314C, Boulder, CO, 80302, US FRN of U.S. agent: 0033625682 Email address of U.S. agent: [email protected] [Linkwld LLC] acknowledges their obligation to accept service of process on behalf of [Dongguan S uoai Electronics Co., LTD]. [ Dongguan Suoai Electronics Co., LTD] with the FRN [0033988882] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grant ee has permanently terminated all marketing and importation of the applicable equipment within the U.S., o r 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 awa「e of the application requirements l isted under§ 2.911 (d)(7). S incerely, 艺A · n,(L)(P)I 16 " ('. - lll�cJJv - sn l1C)Pcu-]I综 归吼X记/ Signature [Name] Hui jun Xie [Title] Engineer [Company] Dongguan Suoai Electronics Co., LTD 飞』多 Signature [Name of U.S. agent] Timothy Zhu [Title of U.S. agent] Manager [Company of U.S. agent] Linkwld LLC The infonnation provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as K.DB 986446 DOI An expiration date for this letter does not exist. h1 case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days vrn the granting TCB

-DongguanSuoaiElectronicsCo.,LTD- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 7/10/23 Towhomitmayconcern: We,[DongguanSuoaiElectronicsCo.,LTD],herebycertifythattheequipmentforwhichauthorization issought(FCCID:[2BBY9-SI-2183])isnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuantto§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 HuijunXie Engineer DongguanSuoaiElectronicsCo.,LTD 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.:18220WC301220Page1of3 Code:AB-RF-05-b AppendixII--ExternalPhotograph ProjectNo.:18220WC301220Page2of3 Code:AB-RF-05-b ProjectNo.:18220WC301220Page3of3 Code:AB-RF-05-b

SI-2183 东莞市索艾电子科技有限公司 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 Y9

ProjectNo.:18220WC301220Page1of3 Code:AB-RF-05-b AppendixIII--InternalPhotograph ProjectNo.:18220WC301220Page2of3 Code:AB-RF-05-b ANT ProjectNo.:18220WC301220Page3of3 Code:AB-RF-05-b

RFEXPOSUREEVALUATION FCCID:2BBY9-SI-2183 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 24020.060.06 ±1 1.0650.3963 BDR 2441-0.27-0.27 ±1 0.7350.3703 2480-0.69-0.69±10.3150.3383 24020.000.00 ±1 150.3903 BLE 2440-0.32-0.32 ±1 0.6850.3653 2480-0.70-0.70±10.350.3373 24031.421.42 ±1 2.4250.5413 2.4G 24411.281.28 ±1 2.2850.5283 24800.550.55±11.5550.4503 Result:NoStandaloneSARtestisrequired.

Page1of28 AppendixTestData ReportNo.:18220WC30122001TestSampleNo.:1-2-2 StartTestDate:2023.06.19FinishTestDate:2023.06.26 TestEngineer:Auditor: Temperature:25.3 °C RelativeHumidity:46% Pressure:1012hPa AppendixA:20dBEmissionBandwidth TestResult TestModeAntennaFrequency[MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24020.9872401.4842402.471------ 24411.0352440.5052441.540------ 24801.0502479.4962480.546------ Page2of28 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page3of28 Page4of28 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant1 24020.975632401.52512402.5007------ 24410.967832440.52822441.4961------ 24800.935832479.51682480.4526------ Page5of28 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page6of28 Page7of28 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode AntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict DH5Ant1 24020.06≤20.97PASS 2441-0.27≤20.97PASS 2480-0.69≤20.97PASS Page8of28 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page9of28 Page10of28 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop0.998≥0.700PASS Page11of28 TestGraphs DH5_Ant1_Hop Page12of28 AppendixE:Timeofoccupancy TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Ant1Hop0.2883660.105≤0.4PASS DH3Ant1Hop0.2883660.105≤0.4PASS DH5Ant1Hop2.7881110.309≤0.4PASS Page13of28 TestGraphs DH1_Ant1_Hop DH3_Ant1_Hop Page14of28 DH5_Ant1_Hop Page15of28 Page16of28 AppendixF:Numberofhoppingchannels TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS Page17of28 TestGraphs DH5_Ant1_Hop Page18of28 AppendixG:Bandedgemeasurements TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 Low2402-0.37-53.42≤-20.37PASS High2480-1.19-57.62≤-21.19PASS LowHop_2402-0.43-55.81≤-20.43PASS HighHop_2480-1.01-56.55≤-21.01PASS Page19of28 TestGraphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 Page20of28 DH5_Ant1_High_Hop_2480 Page21of28 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1 2402 Reference-0.98-0.98---PASS 30~1000-0.98-55.07≤-20.98PASS 1000~26500-0.98-53.58≤-20.98PASS 2441 Reference-1.05-1.05---PASS 30~1000-1.05-55.41≤-21.05PASS 1000~26500-1.05-53.17≤-21.05PASS 2480 Reference-1.59-1.59---PASS 30~1000-1.59-55.43≤-21.59PASS 1000~26500-1.59-53.41≤-21.59PASS Page22of28 TestGraphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 Page23of28 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 Page24of28 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 Page25of28 DH5_Ant1_2480_1000~26500 Page26of28 AppendixI:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] DH5Ant1 24022.783.5777.871.09 24412.793.5778.151.07 24802.783.5678.091.07 Page27of28 TestGraphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Page28of28 ---End---

ReportNo.:18220WC30122001FCCID:2BBY9-SI-2183Page1of32 Code:AB-RF-05-b FCCTestReport Applicant:DongguanSuoaiElectronicsCo.,LTD Address: No.3,HuayuStreet,ChanglongVillage, HuangjiangTown,DongguanCity, Guangdong,China ProductName:Keyboard ReportDate:Jul.07,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30122001FCCID:2BBY9-SI-2183Page2of32 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 .............................................................................................15 4.1.TestStandardandLimit ........................................................................................................................15 4.2.TestSetup ...............................................................................................................................................15 4.3.TestProcedure .......................................................................................................................................16 4.4.TestData .................................................................................................................................................17 5.MaximumPeakOutputPowerTest ...............................................................................................................25 5.1.TestStandardandLimit ........................................................................................................................25 5.2.TestSetup ...............................................................................................................................................25 5.3.TestProcedure .......................................................................................................................................25 5.4.TestData .................................................................................................................................................25 6.20DBOccupyBandwidthTest ........................................................................................................................26 6.1.TestStandard .........................................................................................................................................26 6.2.TestSetup ...............................................................................................................................................26 6.3.TestProcedure .......................................................................................................................................26 6.4.TestData .................................................................................................................................................26 7.CarrierFrequencySeparationTest ................................................................................................................27 7.1.TestStandardandLimit ........................................................................................................................27 7.2.TestSetup ...............................................................................................................................................27 7.3.TestProcedure .......................................................................................................................................27 7.4.TestData .................................................................................................................................................27 8.NumberofHoppingChannelTest ..................................................................................................................28 8.1.TestStandardandLimit ............................................................................................…

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version01 DongguanSuoaiElectronicsCo.,LTD DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:SI-2183,SI-2088,SI-2156,SI-2120,SI-2068,SI-2617,SI-2090,SI-2092,SI-2187,SI- 2199 FCCID:2BBY9-SI-2183 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsforinternalantennatype(s) describedbelow: ModelNo.ofantenna:IBM2.4GHz Typeofantenna:PCBantenna Gainoftheantenna:2.34dBi Frequencyrange:2402-2480MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:DongguanSuoaiElectronicsCo.,LTD Address:No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity, Guangdong,China City:DongguanCity ZIP/Postalcode:/ Country:China Place:DongguanCityDate:7/10/2023 Signature:

Antenna Specification Specifications Summary ITEMSPEC. Model NameIBM 2.4 GHz Center Frequency 2402 MHz 2441 MHz 2480 MHz 2.34 dBi 2.07dBi 1.45 dBi MAX. GAIN2.34 dBi PolarizationHorizontal Azimuth Beam Pattern Omni-directional Impedance50Ω Antenna Length Antenna Photo & Length (mm) Test Address 16 Tzu Chiang Road, Hsinchu Industrial District Hsinchu Hsien 303, Taiwan Test Date2009-04-14 Test Instrument vector network analyzer - R&S ZVB20 36.0 mm Manufacturer: Dongguan Suoai Electronics Co., LTD Address: No.3, Huayu Street, Changlong Village, Huangjiang Town, Dongguan City, Guangdong, China Model No.: IBM 2.4 GHz 1. Main antenna : 2402 MHz 1.1 Horizontal Frequency(MHZ):2402Antenna Polarity:Horizontal Maximum Gain(dBi): 2.34 Average Gain(dBi) :-2.48 Minimum Gain(dBi):-55.18 1.2 Vertical Frequency(MHZ):2402Antenna Polarity:Vertical Maximum Gain(dBi): -4.51 AverageGain(dBi) :-8.98 Minimum Gain(dBi):-62.3 2. Main antenna : 2441 MHz 2.1 Horizontal Frequency(MHZ):2441Antenna Polarity:Horizontal Maximum Gain(dBi): 2.07 Average Gain(dBi) : -2.54 Minimum Gain(dBi): -66.98 2.2 Vertical Frequency(MHZ):2441Antenna Polarity:Vertical Maximum Gain(dBi): -4.29 AverageGain(dBi) :-8.81 Minimum Gain(dBi):-51.4 2. Main antenna : 2480 MHz 2.1 Horizontal Frequency(MHZ): 2480AntennaPolarity:Horizontal Maximum Gain(dBi):1.45 AverageG ain(dBi) : -3.34 Minimum Gain(dBi): -53.4 2.2 Vertical Frequency(MHZ):2480Antenna Polarity:Vertical Maximum Gain(dBi): -4.95 AverageGain(dBi) :-9.06 Minimum Gain(dBi):-60.00

ProjectNo.:18220WC301220Page1of2 Code:AB-RF-05-b AppendixI--TestSetupPhotograph PhotoofConductedEmissionMeasurement PhotoofRadiationEmissionTest ProjectNo.:18220WC301220Page2of2 Code:AB-RF-05-b