2BBY9-NOVA75Mechanical keyboard

DongguanSuoaiElectronicsCo.,LTD No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity,Guangdong,China 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Dec.9,25 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2BBY9-NOVA75 ProductName:Mechanicalkeyboard Thisletterservesasanattestationthattheequipmentidentifiedaboveisnot(selectone)"covered"software asdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,asoutlined inFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, PrintedName:Huijun Title:Engineer Address:No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity,Guangdong,China Tel.:13538531699 Email:[email protected] DongguanSuoaiElectronicsCo.,LTD No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity,Guangdong,China 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

DongguanSuoaiElectronicsCo.,LTD No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity,Guangdong,China AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:12/9/2025 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BBY9-NOVA75 DongguanSuoaiElectronicsCo.,LTDcertifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002ofreferencechapter, asanentityproducing“covered”communicationequipment.Theequipmentforwhichauthorizationis soughtisnot“covered”telecommunicationsequipmentandvideosurveillanceequipmentproducedby entitiesidentifiedontheCommission’sCoveredListthatprohibitedfromreceivinganequipment authorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, PrintedName:Huijun Title:Engineer Address:No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity,Guangdong,China Tel.:13538531699 Email:[email protected]

DongguanSuoaiElectronicsCo.,LTD No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity, Guangdong,China ProductSimilarityDeclaration Productname:Mechanicalkeyboard Modelname:NOVA75,K99,MINI60,AG60,F99MAX,HERO99, H108,F75ProMax,EA75MAX,F87ProV2 FCCID:2BBY9-NOVA75 We(DongguanSuoaiElectronicsCo.,LTD)herebystatethatall themodelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign(i.e.,circuitdesign,PCBLayout, RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),theonly differenceisthemodelname. Signature: Name:Huijun Title:Engineer Date:Dec.9,25

DongguanSuoaiElectronicsCo.,LTD No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity,Guangdong, China 12/9/2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BBY9-NOVA75 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow: BlockDiagram Schematics OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired.  UserManual InternalPhotos  ExternalPhotos TestSetupPhotos Sincerely, Title:Engineer Address:No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity,Guangdong,China Tel.:13538531699 Email:[email protected]

DongguanSuoaiElectronicsCo.,LTD No.3,HuayuStreet,ChanglongVillage,HuangjiangTown,DongguanCity,Guangdong,China 2025/12/5 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BBY9-NOVA75 I,theundersigned,herebyauthorize(ShenzhenAnbotekComplianceLaboratoryLimited.)toactonour behalfinallmattersrelatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(ShenzhenAnbotekComplianceLaboratoryLimited.)shallhavethesameeffectas ourownandIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsof certification,asspecifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(Dongguan SuoaiElectronicsCo.,LTD). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, PrintedName:Huijun Title:Engineer Tel.:13538531699 Fax:N/A Email:[email protected]

LabelLocation: Confirmtheuseofrealappearancephotosasreferences. 157g铜版纸过哑膜+白底黑字 SN: WK NOVA75 O A 25 10 00001 www.aulacn.com 请勿使用手机快充充电 Model No:NOVA75 Mechanical keyboard Rating:5V 1500mA FCC ID:2BBY9-NOVA75 www.aulastar.com Made in China Manufacturer: Dongguan Suoai Electronics CO.,LTD No.3, Huayu Street,Changlong Village,Huangjiang Town, Dongguan City,Guangdong,China S/N: WKNOVA75OA251000001 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

RFEXPOSUREEVALUATION FCCID:2BBY9-NOVA75 AccordingtoKDB447498D01MobileandPortableDevicesRFExposureProcedures andEquipmentAuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiationas specifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnotrequired, portabletransmitterswithoutputpowergreaterthantheapplicablelowthresholdrequire SARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 2402-0.47-0.47±10.53050.3503 GFSK2440-0.12-0.12 ±1 0.88050.3833 24800.160.16±11.16050.4113 2402-0.46-0.46±10.54050.3513 GFSK2440-0.16-0.16 ±1 0.84050.3793 24800.150.15±11.15050.4103 2406-1.03-1.03±1-0.03050.3083 GFSK2440-0.65-0.65 ±1 0.35050.3393 2476-0.51-0.51±10.49050.3523 Result:NoStandaloneSARtestisrequired.

Page 1 of 34 FCC Test Report Report No.:1812C50572612502 Applicant:Dongguan Suoai Electronics Co., LTD Address: No.3, Huayu Street, Changlong Village, Huangjiang Town, Dongguan City, Guangdong, China Product Name:Mechanical keyboard Report Date:2025-12-05 Shenzhen Anbotek Compliance Laboratory Limited #检测章# #资质章# Report No.:1812C50572612502Page 2 of 34 FCC ID: 2BBY9-NOVA75 Contents 1. General Information ...............................................................................................................................6 1.1. Client Information ........................................................................................................................6 1.2. Description of Device (EUT) ........................................................................................................6 1.3. Auxiliary Equipment Used During Test........................................................................................7 1.4. Operation channel list..................................................................................................................7 1.5. Description of Test Modes...........................................................................................................7 1.6. Measurement Uncertainty ...........................................................................................................7 1.7. Additional Instructions .................................................................................................................8 1.8. Test Summary .............................................................................................................................8 1.9. Description of Test Facility ..........................................................................................................9 1.10. Disclaimer..................................................................................................................................9 1.11. Test Equipment List.................................................................................................................10 2. Antenna requirement ...........................................................................................................................12 2.1. Conclusion.................................................................................................................................12 3. Conducted Emission at AC power line ................................................................................................13 3.1. EUT Operation ..........................................................................................................................13 3.2. Test Setup .................................................................................................................................13 3.3. Test Data ...................................................................................................................................14 4. Maximum Conducted Output Power....................................................................................................16 4.1. EUT Operation ..........................................................................................................................16 4.2. Test Setup .................................................................................................................................16 4.3. Test Data ...................................................................................................................................17 5. Channel Separation .............................................................................................................................18 5.1. EUT Operation ..........................................................................................................................18 5.2. Test Setup .................................................................................................................................18 5.3. Test Data ...................................................................................................................................18 6. Number of Hopping Frequencies.........................................................................................................19 6.1. EUT Operation ..........................................................................................................................19 6.2. Test Setup .................................................................................................................................19 6.3. Test Data ...................................................................................................................................19 7. Dwell Time ...........................................................................................................................................20 7.1. EUT Operation ..........................................................................................................................21 7.2. Test Setup .................................................................................................................................21 7.3. Test Data ...................................................................................................................................21 8. Emissions in non-restricted frequency bands ......................................................................................22 8.1. EUT Operation ..........................................................................................................................23 8.2. Test Setup .................................................................................................................................23 8.3. Test Data ...................................................................................................................................23 9. Band edge emissions (Radiated) ...........................................................................…

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

ReportNo.: 1812C505726125 Page1of26 AppendixTestData ReportNo.:1812C50572612502-01TestSampleNo.:1-2-2 StartTestDate: 2025-10-31 FinishTestDate:2025-11-12 TestEngineer:Auditor: Temperature:22.5 °C RelativeHumidity:42% Pressure:101kPa AppendixA:20dBBandwidth TestResult Test Mode Antenna Frequency [MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 2.4GAnt124061.1342405.4722406.606------ 2.4GAnt124401.1222439.4932440.615------ 2.4GAnt124761.1252475.4872476.612------ ReportNo.: 1812C505726125 Page2of26 TestGraphs 2.4G-Ant1-2406 2.4G-Ant1-2440 ReportNo.: 1812C505726125 Page3of26 2.4G-Ant1-2476 ReportNo.: 1812C505726125 Page4of26 AppendixB:99%OccupiedBandwidth TestResult Test Mode Antenna Frequency [MHz] OCB[MHz]FL[MHz]FH[MHz]Limit[MHz]Verdict 2.4GAnt124061.07782405.50392406.5817------ 2.4GAnt124401.03352439.54112440.5746------ 2.4GAnt124761.06392475.51322476.5771------ ReportNo.: 1812C505726125 Page5of26 TestGraphs 2.4G-Ant1-2406 2.4G-Ant1-2440 ReportNo.: 1812C505726125 Page6of26 2.4G-Ant1-2476 ReportNo.: 1812C505726125 Page7of26 AppendixC:MaximumConductedOutputPower TestResultPeak Test Mode AntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict 2.4GAnt12406-1.03≤30PASS 2.4GAnt12440-0.65≤30PASS 2.4GAnt12476-0.51≤30PASS TestGraphs 2.4G-Ant1-2406-PASS ReportNo.: 1812C505726125 Page8of26 2.4G-Ant1-2440-PASS 2.4G-Ant1-2476-PASS ReportNo.: 1812C505726125 Page9of26 AppendixD:Carrierfrequencyseparation TestResult TestModeAntenna Frequency [MHz] Result [MHz] Limit[MHz]Verdict 2.4GAnt1Hop2.040≥0.756PASS Note:Onlyrecordtheworstdatainthereport. ReportNo.: 1812C505726125 Page10of26 TestGraphs 2.4G-Ant1-Hop-PASS ReportNo.: 1812C505726125 Page11of26 AppendixE:DwellTime TestResult Test Mode Antenna Frequency [MHz] BurstWidth [ms] TotalHops [Num] Result [s] Limit [s] Verdict 2.4GAnt1Hop0.106200.002≤0.4PASS ReportNo.: 1812C505726125 Page12of26 TestGraphs 2.4G-Ant1-Hop-PASS ReportNo.: 1812C505726125 Page13of26 AppendixF:NumberofHoppingChannel TestResult TestModeAntenna Frequency [MHz] Result [Num] Limit [Num] Verdict 2.4GAnt1Hop16≥15PASS ReportNo.: 1812C505726125 Page14of26 TestGraphs 2.4G-Ant1-Hop-PASS ReportNo.: 1812C505726125 Page15of26 AppendixG:ConductedBandedge TestResult Test Mode Antenna Ch. Name Frequency [MHz] Ref.Level [dBm] Result [dBm] Limit [dBm] Verdict 2.4GAnt1Low2406-1.22-52.84≤-21.22PASS 2.4GAnt1High2476-0.52-56.58≤-20.52PASS 2.4GAnt1LowHop_2406-2.80-53.34≤-22.8PASS 2.4GAnt1HighHop_2476-2.54-57.33≤-22.54PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecablelosehavebeensetinthe 'offset'oftheSpectrumAnalyzerduringthetest. ReportNo.: 1812C505726125 Page16of26 TestGraphs 2.4G-Ant1-2406-PASS 2.4G-Ant1-2476-PASS ReportNo.: 1812C505726125 Page17of26 2.4G-Ant1-Hop_2406-PASS 2.4G-Ant1-Hop_2476-PASS ReportNo.: 1812C505726125 Page18of26 AppendixH:ConductedSpuriousEmission TestResult Test Mode AntennaFrequency[MHz] Freq.Range [MHz] Ref.Level [dBm] Result [dBm] Limit [dBm] Verdict 2.4GAnt124060~Reference-2.25-2.25---PASS 2.4GAnt1240630~1000-2.25-58.54≤-22.25PASS 2.4GAnt124061000~26500-2.25-37.38≤-22.25PASS 2.4GAnt124400~Reference-0.92-0.92---PASS 2.4GAnt1244030~1000-0.92-59.81≤-20.92PASS 2.4GAnt124401000~26500-0.92-38.06≤-20.92PASS 2.4GAnt124760~Reference-0.72-0.72---PASS 2.4GAnt1247630~1000-0.72-58.27≤-20.72PASS 2.4GAnt124761000~26500-0.72-37.3≤-20.72PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecableloseandattenuator factorshavebeensetinthe'InputCorrection'oftheSpectrumAnalyzerduringthetest. ReportNo.: 1812C505726125 Page19of26 TestGraphs 2.4G-Ant1-2406-0~Reference-PASS 2.4G-Ant1-2406-30~1000-PASS ReportNo.: 1812C505726125 Page20of26 2.4G-Ant1-2406-1000~26500-PASS 2.4G-Ant1-2440-0~Reference-PASS ReportNo.: 1812C505726125 Page21of26 2.4G-Ant1-2440-30~1000-PASS 2.4G-Ant1-2440-1000~26500-PASS ReportNo.: 1812C505726125 Page22of26 2.4G-Ant1-2476-0~Reference-PASS 2.4G-Ant1-2476-30~1000-PASS ReportNo.: 1812C505726125 Page23of26 2.4G-Ant1-2476-1000~26500-PASS ReportNo.: 1812C505726125 Page24of26 AppendixI:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] 2.4GAnt124060.100.6315.877.99 2.4GAnt124400.110.6317.467.58 2.4GAnt124760.100.6315.877.99 ReportNo.: 1812C505726125 Page25of26 TestGraphs NTNV-2.4G-Ant1-2406 NTNV-2.4G-Ant1-2440 ReportNo.: 1812C505726125 Page26of26 NTNV-2.4G-Ant1-2476 ---End---

AntennaSpecification SpecificationsSummary ITEMSPEC. ModelName ISM2.4GHz CenterFrequency 2.402GHz 2. 440GHz 2.480GHz 2.94dBi 2.76dBi 2.73dBi MAX.GAIN 2.94dBi PolarizationHorizontal AzimuthBeamPattern Omni-directional Impedance 50Ω AntennaLength 41mm AntennaPhoto&Length Manufacturer:Dongguan Suoai Electronics Co., LTD. Address:No.3, Huayu Street, Changlong Village, Huangjiang Town, Dongguan City, Guangdong, China Radiationpattern:Antenna1.XZPlaneatf=2.402GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.402GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.402GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.440GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.440GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.440GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.480GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.480GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION Radiationpattern:Antenna1.XZPlaneatf=2.480GHz Co-crosspolarizationfield(dBi)Totalfield(dBi) Solidline:verticalpolarization Dashline:horizontalpolarization UCICENTERFORRFDESIGNANDCHARACTERIZATION