2AJKELHEUT-A0Lumos Ultra

Remote Lite is a remote control meant to control the turn signals on Lumos products. 1) Place the remote on the handle bar, somewhere close enough to your hands such that they can be easily accessible during your ride. 2) Secure the remote to your handlebar using one of the 4 silicone rubber bands provided. 3) To pair remote with helmet, put helmet in pairing mode, and hold down L and R buttons until blinking, then press L or R to complete the pairing. 4) To blink left turn signal, press L. To blink right turn signal, press R. Lumos Remote Lite User Guide Setting Up and Usage Instructions 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. Warning: 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 Class B digital device, pursuant to Part 15 of the FC 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. FCC-Statement Remote Model: Lumos Remote Lite Remote Model Number: LRELTN-A0 Transmission Power: 0 dBm Voltage: 3.0V

Rev11/20/07 (LumenLabs(HK)Limited) FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID: 2AJKELHEUT-A0 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName BlockDiagram, Schematics, OperationalDescription BlockDiagram Schematics OperationalDescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. Sincerely, (KwangXiongSim)

LumenLabs(HK)Limited ModelDifference 2020-09-15 EUTNAME:LumosUltra FCCID:2AJKELHEUT-A0 MODEL:LHEUT-A0 LHEUT-M0 AllthemodelarethesamecircuitandRFmodule,exceptmodelnames. Regards Sincerely Client’ssignature Client’sname/title:KwangXiongSim(Manager) Contactinformation/address:21stFloor,CMABuilding,64ConnaughtRoad, Central,HongKong

(LumenLabs(HK)Limited) FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Date:2020/9/15 SUBJECT:FCCApplicationforFCCID:2AJKELHEUT-A0 ToWhomItMayConcern: We,theundersigned,herebyauthorizeAlanMeiatShenzhenBCTCTestingCo.,Ltd.on ourbehalf,toapplytotheFederalCommunicationsCommissiononourequipment.Any andallactscarriedoutbyAlanMeiofShenzhenBCTCTestingCo.,Ltd.onourbehalf shallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, (KwangXiongSim)

ExternalPhotos

Size:20*10mm LumosUltra Model:LHEUT-A0 FCCID:2AJKELHEUT-A0 ICID:21853-LHEUTA0 LumosUltra Model:LHEUT-M0 FCCID:2AJKELHEUT-A0 ICID:21853-LHEUTA0 Label location

InternalPhotos Antenna

RFEXPOSUREEVALUATIONMETHOD FCCID:2AJKELHEUT-A0 SARTestExclusionThresholdsfor100MHz – 6GHzand ≤ 50mm ApproximateSARTestExclusionPowerThresholdsatSelectedFrequenciesandTestSeparation DistancesareillustratedinthefollowingTable. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances ≤ 50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)] · [ √ f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtest exclusion. BLE maxpossibleoutputpower(PK,conducted)：0±1dbm 0dBilogarithmictermsconverttonumericresultisnearly1. 1dbm=1.25mW 2402MHz [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=1.25/5*√2.402=0.39≤3.0 ThresholdatwhichnoSARrequiredis10mwand≤3.0for1-gSAR,Separation distanceis5mm. Modulation Frequency (MHz) OutputPower (dBm) MaxAntenna Gain(dBi) GFSK2402 -0.12 0 GFSK 2440 -0.81 0 GFSK 2480 -1.33 0 2440MHz [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=1.25/5*√2.440=0.39≤3.0 ThresholdatwhichnoSARrequiredis10mwand≤3.0for1-gSAR,Separation distanceis5mm. 2480MHz [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)]=1.25/5*√2.48=0.40≤3.0 ThresholdatwhichnoSARrequiredis10mwand≤3.0for1-gSAR,Separation distanceis5mm. Conclusion:NoSARisrequired.

No.：BCTC/RF-EMC-007Page: 1 of 42 Edition：A.1 TESTREPORT ReportNo.:BCTC2008003117E Applicant:LumenLabs(HK)Limited ProductName:LumosUltra ProductType:LHEUT-A0 TestedDate:Aug.27,2020toSep.01,2020 IssuedDate:Sep.01,2020 ShenzhenBCTCTestingCo.,Ltd. ReportNo.:BCTC2008003117E No.：BCTC/RF-EMC-007Page: 2 of 42 Edition：A.1 FCCID:2AJKELHEUT-A0 Compiledby:Reviewedby:Approvedby: KelseyTanEricYangZeroZhou/Manager Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp.Thisresult(s)showninthisreport referonlytothesample(s)tested.WithoutwrittenapprovalofShenzhenBCTCTestingCo.,Ltd,thisreport can’tbereproducedexceptinfull.Thetestedsample(s)andthesampleinformationareprovidedbytheclient. ProductName: LumosUltra Trademark: N/A ProductType: LHEUT-A0 LHEUT-M0 PreparedFor: LumenLabs(HK)Limited Address: 21stFloor,CMABuilding,64ConnaughtRoad,Central, HongKong Manufacturer: LumenLabs(HK)Limited Address: 21stFloor,CMABuilding,64ConnaughtRoad,Central, HongKong PreparedBy: ShenzhenBCTCTestingCo.,Ltd. Address: 1-2F,EastofBBuilding,PengzhouIndustrial,Fuyuan1st Road,QiaotouCommunity,FuyongStreet,Bao’anDistrict, Shenzhen,China SampleReceivedDate: Aug.27,2020 SampletestedDate: Aug.27,2020toSep.01,2020 IssueDate: Sep.01,2020 ReportNo.: BCTC2008003117E TestStandards FCCPart15.247 ANSIC63.10-2013 TestResults PASS Remark:ThisisBluetoothBLEradiotestreport. ReportNo.:BCTC2008003117E No.：BCTC/RF-EMC-007Page: 3 of 42 Edition：A.1 TABLEOFCONTENT TestReportDeclarationPage 1.VERSION ............................................................................................................................... 5 2.TESTSUMMARY ................................................................................................................. 6 3.MEASUREMENTUNCERTAINTY .................................................................................... 7 4.PRODUCTINFORMATIONANDTESTSETUP ............................................................ 8 4.1ProductInformation ......................................................................................................... 8 4.2TestSetupConfiguration ............................................................................................... 8 4.3SupportEquipment ......................................................................................................... 9 4.4ChannelList ..................................................................................................................... 9 4.5TestMode ......................................................................................................................... 9 4.6Tableofparametersoftextsoftwaresetting ............................................................. 10 5.TESTFACILITYANDTESTINSTRUMENTUSED ..................................................... 11 5.1TestFacility .................................................................................................................... 11 5.2TestInstrumentUsed ................................................................................................... 11 6.CONDUCTEDEMISSIONS .............................................................................................. 13 6.1BlockDiagramOfTestSetup ...................................................................................... 13 6.2Limit ................................................................................................................................. 13 6.3Testprocedure ............................................................................................................... 13 6.4EUToperatingConditions ............................................................................................ 13 6.5TestResult ..................................................................................................................... 14 7.RADIATEDEMISSIONS ................................................................................................... 16 7.1BlockDiagramOfTestSetup ...................................................................................... 16 7.2Limit ................................................................................................................................. 17 7.3Testprocedure ............................................................................................................... 18 7.4EUToperatingConditions ............................................................................................ 19 7.5TestResult ..................................................................................................................... 20 8.RADIATEDBANDEMISSIONMEASUREMENTANDRESTRICTEDBANDSOF OPERATION ........................................................................................................................... 24 8.1BlockDiagramOfTestSetup ...................................................................................... 24 8.2Limit ................................................................................................................................. 24 8.3Testprocedure ............................................................................................................... 25 8.4EUToperatingConditions ............................................................................................ 25 8.5TestResult ..................................................................................................................... 26 9.POWERSPECTRALDENSITYTEST ........................................................................... 27 9.1BlockDiagramOfTestSetup ...................................................................................... 27 9.2Limit ................................................................................................................................. 27 9.3Testprocedure ............................................................................................................... 27 9.4EUToperatingConditions ................................................…

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ReportNo.:BCTC2008003117E No.：BCTC/RF-EMC-007Page: 40 of 42 Edition：A.1 15.EUTTESTSETUPPHOTOGRAPHS Conductedemissions ReportNo.:BCTC2008003117E No.：BCTC/RF-EMC-007Page: 41 of 42 Edition：A.1 RadiatedMeasurementPhotos