2BS67-E1Digital Calendar

ShenzhenAiZuoTechnologyInnovationCo.,Ltd Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,LiuxianAvenue,XiliCommunity,XiliStreet, NanshanDistrict,Shenzhen,China 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Dec.29,25 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2BS67-E1 ProductName:DigitalCalendar 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:PanSha Title:Manager Address:Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,LiuxianAvenue,XiliCommunity,Xili Street,NanshanDistrict,Shenzhen,China Tel.:17807755101 Email:[email protected] ShenzhenAiZuoTechnologyInnovationCo.,Ltd Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,LiuxianAvenue,XiliCommunity,XiliStreet, NanshanDistrict,Shenzhen,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

ShenzhenAiZuoTechnologyInnovationCo.,Ltd Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,LiuxianAvenue,XiliCommunity, XiliStreet,NanshanDistrict,Shenzhen,China AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:12/29/2025 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BS67-E1 ShenzhenAiZuoTechnologyInnovationCo.,Ltdcertifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, PrintedName:PanSha Title:Manager Address:Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,LiuxianAvenue,XiliCommunity, XiliStreet,NanshanDistrict,Shenzhen,China Tel.:17807755101 Email:[email protected]

ShenzhenAiZuoTechnologyInnovationCo.,Ltd 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:ShenzhenAiZuoTechnologyInnovationCo.,Ltd Address:Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,Liuxian Avenue,XiliCommunity,XiliStreet,NanshanDistrict,Shenzhen,China FCCID:2BS67-E1 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[ShenzhenAiZuoTechnologyInnovationCo.,Ltd]designate[LinkwldLLC] NOTE1 for thepurposeofacceptingserviceofprocessonbehalfoftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgentApplicant Companyname:LinkwldLLCCompanyname:ShenzhenAiZuo TechnologyInnovationCo.,Ltd USAAddress:7595TechnologyWaySte 100,Denver,CO80237,US Address:Room801,BlockE,Building1, Section1,ChuangzhiYuncheng,Liuxian Avenue,XiliCommunity,XiliStreet, NanshanDistrict,Shenzhen,China FRNNumber:0033625682GranteeFRNNumber:0037659026. ContactName:TimothyZhu FCCGranteeCode:2BS67 TelephoneNo:(747)717-2691ContactName:PanSha Email:[email protected]:17807755101 Email:[email protected] Signature: ShenzhenAiZuoTechnologyInnovationCo.,Ltd 2.911(d)(7)USAAgentv1.5 Title:Manager Signature: Title:Manager Date:2025-12-29Date:2025-12-29 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

ShenzhenAiZuoTechnologyInnovationCo.,Ltd Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,LiuxianAvenue,Xili Community,XiliStreet,NanshanDistrict,Shenzhen,China 12/29/2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BS67-E1 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow: BlockDiagram Schematics OperationalDescription  PartsList FCCSoftwareSecurityRequirementsforUNIIdevicesRev1.0 Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired.  UserManual InternalPhotos ExternalPhotos TestSetupPhotos Sincerely, Title:Manager Address:Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,LiuxianAvenue,Xili Community,XiliStreet,NanshanDistrict,Shenzhen,China Tel.:17807755101 Email:[email protected]

ShenzhenAiZuoTechnologyInnovationCo.,Ltd Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,LiuxianAvenue,Xili Community,XiliStreet,NanshanDistrict,Shenzhen,China 2025/12/29 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BS67-E1 I,theundersigned,herebyauthorize(ShenzhenAnbotekComplianceLaboratoryLimited.)toactonour behalfinallmattersrelatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(ShenzhenAnbotekComplianceLaboratoryLimited.)shallhavethesameeffectas ourownandIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsof certification,asspecifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(Shenzhen AiZuoTechnologyInnovationCo.,Ltd). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, PrintedName:PanSha Title:Manager Tel.:17807755101 Fax:N/A Email:[email protected]

ShenzhenAiZuoTechnologyInnovationCo.,Ltd Room801,BlockE,Building1,Section1,ChuangzhiYuncheng,Liuxian Avenue,XiliCommunity,XiliStreet,NanshanDistrict,Shenzhen,China ProductSimilarityDeclaration Productname:DigitalCalendar Modelname:E1,E2,E3,E5,E6,E7,E8,E9,G1,G2,G3,G5,G6, G7,G8,G9 FCCID:2BS67-E1 We(ShenzhenAiZuoTechnologyInnovationCo.,Ltd)herebystate thatallthemodelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign(i.e.,circuitdesign,PCBLayout,RF module/circuit,antennatype(s)andantennalocation,componentson PCB,etc.,),samemechanicalstructureanddesign(includingproduct enclosure,materials,etc.,),theonlydifferenceisthemodelname. Signature: Name:PanSha Title:Manager Date:Dec.29,25

LabelLocation: Confirmtheuseofrealappearancephotosasreferences. E1 Model: E1 DC: 12V 4A Digital Calendar FCC ID: 2BS67-E1 E2 Digital Calendar Model: E2 FCC ID: 2BS67-E1 DC: 12V 4A E3 Digital Calendar Model: E3 FCC ID: 2BS67-E1 DC: 12V 4A E5 Digital Calendar Model: E5 FCC ID: 2BS67-E1 DC: 12V 4A E6 Digital Calendar Model: E6 FCC ID: 2BS67-E1 DC: 12V 4A E7 Digital Calendar Model: E7 FCC ID: 2BS67-E1 DC: 12V 4A E8 Digital Calendar Model: E8 FCC ID: 2BS67-E1 DC: 12V 4A E9 Digital Calendar Model: E9 FCC ID: 2BS67-E1 DC: 12V 4A G1 Digital Calendar Model: G1 FCC ID: 2BS67-E1 DC: 12V 4A G2 Digital Calendar Model: G2 FCC ID: 2BS67-E1 DC: 12V 4A G3 Digital Calendar Model: G3 FCC ID: 2BS67-E1 DC: 12V 4A G5 Digital Calendar Model: G5 FCC ID: 2BS67-E1 DC: 12V 4A G6 Digital Calendar Model: G6 FCC ID: 2BS67-E1 DC: 12V 4A G7 Digital Calendar Model: G7 FCC ID: 2BS67-E1 DC: 12V 4A G8 Digital Calendar Model: G8 FCC ID: 2BS67-E1 DC: 12V 4A G9 Digital Calendar Model: G9 FCC ID: 2BS67-E1 DC: 12V 4A

RFEXPOSUREEVALUATION KDB447498D01MobileandPortableDevicesRFExposureProceduresand EquipmentAuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b) EUTSpecification FCCID2BS67-E1 EUT DigitalCalendar Frequencyband(Operating)BT:2.402GHz~2.480GHz WLAN:2.412GHz~2.462GHz RLAN:5.180GHz~5.240GHz RLAN:5.260GHz~5.320GHz RLAN: 5.500 GHz~ 5.700 GHz RLAN:5.745GHz~5.825GHz Others: DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others___ ExposureclassificationOccupational/Controlledexposure(S=5mW/cm2) GeneralPopulation/Uncontrolledexposure(S=1mW/cm2) AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Antennagain(Max)BT:3.05dBi Wi-Fi2.4G:3.32dBi Wi-Fi5.2G:3.77dBi Wi-Fi5.3G:3.77dBi Wi-Fi5.6G:3.69dBi Wi-Fi5.8G:3.95dBi EvaluationappliedMPEEvaluation SAREvaluation LimitsforMaximumPermissibleExposure(MPE) Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) Power Density(mW/cm 2 ) Average Time (A)LimitsforOccupational/ControlExposures 300-1500----F/3006 1500-100000----56 (B)LimitsforGeneralPopulation/UncontrolExposures 300-1500----F/15006 1500-100000----130 Friistransmissionformula:Pd=(Pout*G)\(4*pi*R2) Where Pd=PowerdensityinmW/cm 2 Pout=outputpowertoantennainMw G=gainofantennainlinearscale Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdthelimitofMPE,1mW/cm2.Ifweknowthemaximumgainoftheantenna andtotalpowerinputtotheantenna,throughthecalculation,wewillknowthe distancewheretheMPElimitisreached. MaxMeasurementResult OperatingMode Measured Power Tuneup tolerance Max.Tune upPower Antenna Gain Power densityat 20cm Power densityLimits (mW/cm 2 ) (dBm)(dBm)(dBm)(dBi)(mW/cm 2 ) BDR&EDR1.551.55±12.553.050.00071 BLE0.340.34±11.343.050.00051 WiFi2.4G14.8614.86±115.863.320.01651 WiFi5.2G14.9914.99 ±1 15.993.770.01881 WiFi5.3G14.9814.98±115.983.770.01881 WiFi5.6G14.8914.89±115.893.690.01811 WiFi5.8G14.8914.89±115.893.950.01921 TheMaximumsimultaneoustransmissionforBLE+WiFi2.4GANT2: =S BLE /S limit-2.4 +S WLANANT2 /S limit-2.4 =0.0007/1+0.0192/1 =0.0199 <1.0Result:PASS.

Shenzhen Yishengbang Technology Co., Ltd Antenna Test Report Customer: 一恒科 Project: 一体机A2 Product: WIFI/BT Antenna Report date: 2025-07-21 Prepared by : 詹裕昌 Checked by : 黄震 Approved by : 林美财 深圳市亿圣邦科技有限公司 深圳市亿圣邦科技有限公司 1 Purpose This report is to measure the performance of SLK for Master Antenna on . All measure data are showed below. Content 1. Product Overview 2.Test Result 2.1 2.2 2.3 3. Conclusions 深圳市亿圣邦科技有限公司 2 1. Product Overview 深圳市亿圣邦科技有限公司 3 WIFI 天线 BT 天线 2. Test Result 2.1 WIFI Antenna VSWR/S11 深圳市亿圣邦科技有限公司 4 深圳市亿圣邦科技有限公司 5 2. Test Result 2.2 WIFI Antenna Gain/Efficiency/3D DATA Frequency (MHz) Efficiency (dBi) Gain (dBi) Efficiency (%) 2400 -3.02 2.39 49.85 2410 -2.88 2.31 51.51 2420 -2.61 2.50 54.89 2430 -2.53 2.60 55.82 2440 -2.53 2.31 55.80 2450 -2.54 2.53 55.73 2460 -2.32 2.75 58.56 2470 -2.59 2.71 55.08 2480 -2.50 3.05 56.25 2490 -2.46 3.30 56.76 2500 -2.51 3.32 56.13 5150 -4.37 3.16 36.58 5250 -3.79 3.77 41.77 5350 -3.23 3.18 47.53 5450 -3.04 2.89 49.65 5550 -3.49 3.51 44.79 5650 -3.06 3.69 49.41 5750 -2.96 3.63 50.58 5850 -2.31 3.95 58.69 2. Test Result 2.3 BT Antenna VSWR/S11 深圳市亿圣邦科技有限公司 6 深圳市亿圣邦科技有限公司 7 2. Test Result 2.4 BT Antenna Gain/Efficiency/3D DATA Frequency (MHz) Efficiency (dBi) Gain (dBi) Efficiency (%) 2400 -3.30 2.56 46.74 2410 -3.16 2.76 48.35 2420 -2.69 2.20 53.80 2430 -2.75 2.27 53.09 2440 -2.70 2.80 53.67 2450 -2.81 2.98 52.38 2460 -2.60 3.05 54.93 2470 -2.94 2.88 50.87 2480 -2.93 3.00 50.98 2490 -2.88 2.95 51.53 2500 -2.94 2.85 50.78 5150 -4.22 1.13 37.82 5250 -4.32 1.35 36.95 5350 -3.87 1.75 41.00 5450 -3.43 2.62 45.42 5550 -3.56 2.41 44.06 5650 -3.13 2.94 48.60 5750 -2.88 2.76 51.51 5850 -2.69 2.69 53.82 深圳市亿圣邦科技有限公司 8 2. Test Result 2.5 WIFI Antenna TRP/TIS 2.4G/5G-WIFI有源测试 频段1611 B-TRP-11MBps14.5614.3514.62 B-TIS-11MBps-82.45-82.13-82.49 G-TRP-54MBps14.2214.4914.37 G-TIS-54MBps-71.86-71.75-71.29 N-TRP-MCS714.2714.4814.6 N-TIS-MCS7-67.27-67.98-67.29 频段36149165 A-TRP-54MBps 12.612.8611.63 A-TIS-54MBps -69.04-69.74-70.84 3. Conclusions 深圳市亿圣邦科技有限公司 9 Thank you!

ReportNo.:1812C50541412502-01 Page 1 of 33 AppendixTestData ReportNo.:1812C50541412502-01TestSampleNo.:1-2-2 StartTestDate:2025-10-15FinishTestDate:2025-10-29 TestEngineer:Auditor: Temperature:24.7°CRelativeHumidity:50% Pressure:101kPa AppendixA:6dBBandwidth TestResult Test Mode AntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.7042401.6282402.3320.5PASS BLE_1MAnt124400.6522439.6482440.3000.5PASS BLE_1MAnt124800.7122479.6162480.3280.5PASS BLE_2MAnt124021.3162401.3202402.6360.5PASS BLE_2MAnt124401.4562439.2282440.6840.5PASS BLE_2MAnt124801.2162479.3642480.5800.5PASS ReportNo.:1812C50541412502-01 Page 2 of 33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C50541412502-01 Page 3 of 33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1812C50541412502-01 Page 4 of 33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C50541412502-01 Page 5 of 33 AppendixB:99%OccupiedBandwidth TestResult Test Mode AntennaFrequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124021.03032401.45422402.4845------ BLE_1MAnt124401.03252439.45512440.4876------ BLE_1MAnt124801.04442479.44962480.4940------ BLE_2MAnt124022.02202400.96262402.9846------ BLE_2MAnt124402.07552438.93982441.0153------ BLE_2MAnt124802.05062478.93192480.9825------ ReportNo.:1812C50541412502-01 Page 6 of 33 TestGraphs BLE_1M-Ant1-2402 BLE_1M-Ant1-2440 ReportNo.:1812C50541412502-01 Page 7 of 33 BLE_1M-Ant1-2480 BLE_2M-Ant1-2402 ReportNo.:1812C50541412502-01 Page 8 of 33 BLE_2M-Ant1-2440 BLE_2M-Ant1-2480 ReportNo.:1812C50541412502-01 Page 9 of 33 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode Antenna Frequency [MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt124020.26≤30PASS BLE_1MAnt124400.31≤30PASS BLE_1MAnt124800.33≤30PASS BLE_2MAnt124020.24≤30PASS BLE_2MAnt124400.31≤30PASS BLE_2MAnt124800.34≤30PASS ReportNo.:1812C50541412502-01 Page 10 of 33 TestGraphsPeak BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C50541412502-01 Page 11 of 33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1812C50541412502-01 Page 12 of 33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C50541412502-01 Page 13 of 33 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-9.83≤8.00PASS BLE_1MAnt12440-9.05≤8.00PASS BLE_1MAnt12480-9.75≤8.00PASS BLE_2MAnt12402-12.60≤8.00PASS BLE_2MAnt12440-12.10≤8.00PASS BLE_2MAnt12480-12.83≤8.00PASS ReportNo.:1812C50541412502-01 Page 14 of 33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C50541412502-01 Page 15 of 33 BLE_1M-Ant1-2480-PASS BLE_2M-Ant1-2402-PASS ReportNo.:1812C50541412502-01 Page 16 of 33 BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C50541412502-01 Page 17 of 33 AppendixE:Bandedgemeasurements TestResult Test Mode AntennaChName Frequency [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt1Low2402-0.86-57.73≤-20.86PASS BLE_1MAnt1High2480-0.58-56.8≤-20.58PASS BLE_2MAnt1Low2402-2.17-35.44≤-22.17PASS BLE_2MAnt1High2480-1.13-56.66≤-21.13PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecablelosehavebeensetinthe 'offset'oftheSpectrumAnalyzerduringthetest. ReportNo.:1812C50541412502-01 Page 18 of 33 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS ReportNo.:1812C50541412502-01 Page 19 of 33 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2480-PASS ReportNo.:1812C50541412502-01 Page 20 of 33 AppendixF:ConductedSpuriousEmission TestResult Test Mode Antenna Frequency [MHz] Freq.Range [MHz] Ref. Level [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt124020~Reference-0.47-0.47---PASS BLE_1MAnt1240230~1000-0.47-69.27≤-20.47PASS BLE_1MAnt124021000~26500-0.47-26.83≤-20.47PASS BLE_1MAnt124400~Reference-0.01-0.01---PASS BLE_1MAnt1244030~1000-0.01-68.06≤-20.01PASS BLE_1MAnt124401000~26500-0.01-27.71≤-20.01PASS BLE_1MAnt124800~Reference0.130.13---PASS BLE_1MAnt1248030~10000.13-69.51≤-19.87PASS BLE_1MAnt124801000~265000.13-26.19≤-19.87PASS BLE_2MAnt124020~Reference-2.05-2.05---PASS BLE_2MAnt1240230~1000-2.05-68.32≤-22.05PASS BLE_2MAnt124021000~26500-2.05-28.58≤-22.05PASS BLE_2MAnt124400~Reference-2.16-2.16---PASS BLE_2MAnt1244030~1000-2.16-68.77≤-22.16PASS BLE_2MAnt124401000~26500-2.16-26.81≤-22.16PASS BLE_2MAnt124800~Reference-1.53-1.53---PASS BLE_2MAnt1248030~1000-1.53-68.74≤-21.53PASS BLE_2MAnt124801000~26500-1.53-28.61≤-21.53PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecableloseandattenuator factorshavebeensetinthe'InputCorrection'oftheSpectrumAnalyzerduringthetest. ReportNo.:1812C50541412502-01 Page 21 of 33 TestGraphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS ReportNo.:1812C50541412502-01 Page 22 of 33 BLE_1M-Ant1-2402-1000~26500-PASS BLE_1M-Ant1-2440-0~Reference-PASS ReportNo.:1812C50541412502-01 Page 23 of 33 BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS ReportNo.:1812C50541412502-01 Page 24 of 33 BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS ReportNo.:1812C50541412502-01 Page 25 of 33 BLE_1M-Ant1-2480-1000~26500-PASS BLE_2M-Ant1-2402-0~Reference-PASS ReportNo.:1812C50541412502-01 Page 26 of 33 BLE_2M-Ant1-2402-30~1000-PASS BLE_2M-Ant1-2402-1000~26500-PASS ReportNo.:1812C50541412502-01 Page 27 of 33 BLE_2M-Ant1-2440-0~Reference-PASS BLE_2M-Ant1-2440-30~1000-PASS ReportNo.:1812C50541412502-01 Page 28 of 33 BLE_2M-Ant1-2440-1000~26500-PASS BLE_2M-Ant1-2480-0~Reference-PASS ReportNo.:1812C50541412502-01 Page 29 of 33 BLE_2M-Ant1-2480-30~1000-PASS BLE_2M-Ant1-2480-1000~26500-PASS ReportNo.:1812C50541412502-01 Page 30 of 33 AppendixG:DutyCycle TestResult TestModeAntenna Frequency [MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt12402100.00100.00100.000.00 BLE_1MAnt12440100.00100.00100.000.00 BLE_1MAnt12480100.00100.00100.000.00 BLE_2MAnt12402100.00100.00100.000.00 BLE_2MAnt12440100.00100.00100.000.00 BLE_2MAnt12480100.00100.00100.000.00 ReportNo.:1812C50541412502-01 Page 31 of 33 T…

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Page 1 of 33 FCC Test Report Report No.:1812C50541412502 Applicant: Shenzhen Ai Zuo Technology Innovation Co., Ltd Address: Room 801, Block E, Building 1, Section 1, Chuangzhi Yuncheng, Liuxian Avenue, Xili Community, Xili Street, Nanshan District, Shenzhen, China Product Name:Digital Calendar Report Date:2025-12-29 Shenzhen Anbotek Compliance Laboratory Limited #检测章# #资质章# Report No.:1812C50541412502Page 2 of 33 FCC ID: 2BS67-E1 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 ...........................................................................................................8 1.7. Additional Instructions .................................................................................................................8 1.8. Test Summary .............................................................................................................................9 1.9. Description of Test Facility ........................................................................................................10 1.10. Disclaimer................................................................................................................................10 1.11. Test Equipment List.................................................................................................................11 2. Antenna requirement ...........................................................................................................................13 2.1. Conclusion.................................................................................................................................13 3. Conducted Emission at AC power line ................................................................................................14 3.1. EUT Operation ..........................................................................................................................14 3.2. Test Setup .................................................................................................................................14 3.3. Test Data ...................................................................................................................................15 4. 6dB Bandwidth ....................................................................................................................................17 4.1. EUT Operation ..........................................................................................................................17 4.2. Test Setup .................................................................................................................................17 4.3. Test Data ...................................................................................................................................17 5. Maximum Conducted Output Power....................................................................................................18 5.1. EUT Operation ..........................................................................................................................18 5.2. Test Setup .................................................................................................................................18 5.3. Test Data ...................................................................................................................................18 6. Power Spectral Density .......................................................................................................................19 6.1. EUT Operation ..........................................................................................................................19 6.2. Test Setup .................................................................................................................................19 6.3. Test Data ...................................................................................................................................19 7. Emissions in non-restricted frequency bands ......................................................................................20 7.1. EUT Operation ..........................................................................................................................20 7.2. Test Setup .................................................................................................................................20 7.3. Test Data ...................................................................................................................................20 8. Band edge emissions (Radiated) ........................................................................................................21 8.1. EUT Operation ..........................................................................................................................21 8.2. Test Setup .................................................................................................................................22 8.3. Test Data ...................................................................................................................................23 9. Emissions in restricted frequency bands (below 1GHz) ..…

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ReportNo.:1812C50541412503-01 Page 1 of 59 AppendixTestData ReportNo.:1812C50541412503-01TestSampleNo.:1-2-2 StartTestDate:2025-10-15FinishTestDate:2025-10-31 TestEngineer:Auditor: Temperature:24.7°CRelativeHumidity:50% Pressure:101kPa AppendixA:6dBBandwidth TestResult TestModeAntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 11BAnt124128.8002408.4402417.2400.5PASS 11BAnt124378.8002433.4402442.2400.5PASS 11BAnt1246210.2002456.9602467.1600.5PASS 11GAnt1241216.5602403.7602420.3200.5PASS 11GAnt1243716.5602428.7602445.3200.5PASS 11GAnt1246216.5602453.7602470.3200.5PASS 11N40SISOAnt1242236.4002403.7602440.1600.5PASS 11N40SISOAnt1243736.4002418.7602455.1600.5PASS 11N40SISOAnt1245236.4002433.7602470.1600.5PASS 11AX40SISOAnt1242237.8402403.1202440.9600.5PASS 11AX40SISOAnt1243737.8402418.1202455.9600.5PASS 11AX40SISOAnt1245237.8402433.1202470.9600.5PASS ReportNo.:1812C50541412503-01 Page 2 of 59 TestGraphs 11B-Ant1-2412-PASS 11B-Ant1-2437-PASS ReportNo.:1812C50541412503-01 Page 3 of 59 11B-Ant1-2462-PASS 11G-Ant1-2412-PASS ReportNo.:1812C50541412503-01 Page 4 of 59 11G-Ant1-2437-PASS 11G-Ant1-2462-PASS ReportNo.:1812C50541412503-01 Page 5 of 59 11N40SISO-Ant1-2422-PASS 11N40SISO-Ant1-2437-PASS ReportNo.:1812C50541412503-01 Page 6 of 59 11N40SISO-Ant1-2452-PASS 11AX40SISO-Ant1-2422-PASS ReportNo.:1812C50541412503-01 Page 7 of 59 11AX40SISO-Ant1-2437-PASS 11AX40SISO-Ant1-2452-PASS ReportNo.:1812C50541412503-01 Page 8 of 59 AppendixB:99%OccupiedBandwidth TestResult TestModeAntenna Channel Frequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 11BAnt1241213.8152406.24772420.0627------ 11BAnt1243713.8302431.24432445.0743------ 11BAnt1246214.8402454.68342469.5234------ 11GAnt1241216.4092403.82782420.2368------ 11GAnt1243716.4082428.83002445.2380------ 11GAnt1246216.4072453.82862470.2356------ 11N40SISOAnt1242236.2142403.88802440.1020------ 11N40SISOAnt1243736.2202418.88772455.1077------ 11N40SISOAnt1245236.2112433.89512470.1061------ 11AX40SISOAnt1242237.8392403.11622440.9552------ 11AX40SISOAnt1243737.8442418.11732455.9613------ 11AX40SISOAnt1245237.8382433.12182470.9598------ ReportNo.:1812C50541412503-01 Page 9 of 59 TestGraphs 11B-Ant1-2412 11B-Ant1-2437 ReportNo.:1812C50541412503-01 Page 10 of 59 11B-Ant1-2462 11G-Ant1-2412 ReportNo.:1812C50541412503-01 Page 11 of 59 11G-Ant1-2437 11G-Ant1-2462 ReportNo.:1812C50541412503-01 Page 12 of 59 11N40SISO-Ant1-2422 11N40SISO-Ant1-2437 ReportNo.:1812C50541412503-01 Page 13 of 59 11N40SISO-Ant1-2452 11AX40SISO-Ant1-2422 ReportNo.:1812C50541412503-01 Page 14 of 59 11AX40SISO-Ant1-2437 11AX40SISO-Ant1-2452 ReportNo.:1812C50541412503-01 Page 15 of 59 AppendixC:Maximumconductedoutputpower TestResultAverage Test Mode Antenna Frequency [MHz] Average power [dBm] Duty Cycle [%] DC Factor [dB] Result [dBm] Limit [dBm] Verdict 11BAnt1241214.55100.000.0014.55≤30.00PASS 11BAnt1243714.34100.000.0014.34≤30.00PASS 11BAnt1246214.35100.000.0014.35≤30.00PASS 11GAnt1241214.28100.000.0014.28≤30.00PASS 11GAnt1243714.86100.000.0014.86≤30.00PASS 11GAnt1246214.50100.000.0014.50≤30.00PASS 11N40SISOAnt1242214.12100.000.0014.12≤30.00PASS 11N40SISOAnt1243713.80100.000.0013.80≤30.00PASS 11N40SISOAnt1245214.70100.000.0014.70≤30.00PASS 11AX40SISOAnt1242214.14100.000.0014.14≤30.00PAS…

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