2A88A-H7LITEHelmet Tag

SOS Button | Exquisite H7 Lite, a Helmet Bluetooth Tag, is mainly applicable for personnel tracking/falling down alarm/SOS alarm in most industrial and construction use cases. It is engineered for indoor and outdoor environments like mines, factories, warehouses, tunnels, and construction sites. Thanks to its ultra-low power consumption, the beacon guaranties un-surpassed battery lifetime up to about 2 years. 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. Any 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 a Class B digital device, pursuant to Part 15 of the FCC 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. FCC ID: 2A88A-H7LITE Helmet Tag H7L Application Scenarios FCC Certification Positioning and Evacuation in the Mining Industry Safer construction siteWarehouse Management Press the button for emergency help Personnel Tracking &Positioning Personnel Statistics Independent SOS buttonIP67 Waterproof50m broadcast distanceLED alert notification General specifications for H7 Lite Dimensions: Color: Material: Weight: IP Rating: Battery Capacity: Operating temperature: Transmission range: Installation: 42.66*25.2*8.24mm White(the button is blue) PC+TPU 8.7g IP67 220mAh -20/+60 Up to 50m (In open area without obstacles) 3M sticker 25.2mm8.3mm 42.6mm General Function

WuhanYixinTechnologyCo.,Ltd LETTEROFAGENCY Date ： November29,2022 ElementMaterialsTechnology 100FrobisherBusinessPark Malvern Worcestershire WR141BX UK ToWhomItMayConcern: Wecertifythatwearenotsubjecttodenialoffederalbenefits,thatincludesFCCbenefits, pursuanttoSection5301oftheAnti-DrugAbuseACTof1988,U.S.C.862.Further,no party,asdefinedin47CFR1.2002(b),totheapplication,issubjecttodenialoffederal benefits,thatincludesFCCbenefits. Thankyouforyourattentiontothismatter. Yoursfaithfully company Yangkun.Huang/ProductManager

ConfidentialityLetter-FCC Date：November29,2022 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:Requestforconfidentiality FCCID:2A88A-H7LITE Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwith confidentialstatus. Schematics.pdf  OperationalDescription.pdf FrequencyBlockDiagrams.pdf Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerely, Yangkun.huang/Productmanager

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Labellocation

FCCID:2A88A-H7LITE Page1/4 Internalphoto FCCID:2A88A-H7LITE Page2/4 FCCID:2A88A-H7LITE Page3/4 B L E Antenna FCCID:2A88A-H7LITE Page4/4 ---END---

Confidential Data Project Name: Helmet_AC281 Author: YangYongCheng Update: 2022-11-22 Antenna Test Report Index: 1.Overview 2.Revision History 3.Test Item &Equipment 4.Matching Circuit 5.SParameter Test 6.Active Test 7.Conducted EmissionTest 8.Environmental Processing Confidential Data OverView CUSTOMER NAME MOKO TECHNOLOGY LIMITED PROJECT NAMEHelmet_AC281 ItemsDetails •FREQUENCY2400MHz-2500MHz •PROJECT TYPE •ANTENNA SPACE •FEED & GROUNDPAD •SENSITIVE ELEMENTS •ANTENNA TYPE •PCB •OTHERS Confidential Data DateRevisionAuthorDescription of changes 20221122 AYangYongChengPassive Antenna Test Revision History Confidential Data ListTest ItemEquipment 1.SParameterVSWR, Return LossAgilent VNA 2.Active Test TRP, TISAgilent 8960 RayZone1800 3.Passive TestGain, Efficiency, PatternAgilent E5071C Test Item & Equipment Confidential Data Matching Circuit Antenna RF Module E3E1 E2 ElementValue E1(0402)NC E2(0402)5.6NH E3(0402)NC Confidential Data Antenna Confidential Data VSWR Confidential Data Passive Antenna Test Freq （MHz） Gain （dBi） Efficiency （%） 2400-0.4136.05 2410-0.2439.11 2420-0.3438.50 2430-0.0539.06 24400.1238.24 2450-0.0336.69 2460-0.1137.20 2470-0.0337.40 24800.1336.10 24900.1435.87 2500-0.1335.31 Confidential Data 3D Antenna Radiation Pattern（2450MHz） Confidential Data 2D Antenna Radiation Pattern（2450MHz ）

Page 1 of 2 Address:No.11,WuSongRoad,Tel:86-769-22607797 DongchengDistrict,Dongguan,Fax:86-769-22607907 GuangdongProvince,China523117http://www.cpcteam.com FCCID:2A88A-H7LITE SAREVALUATION AccordingtoKDB447498D01GeneralRFExposureGuidancev06 4.3.1.StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-g headorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions, bymeasurementornumericalsimulation,isnotrequiredwhenthecorrespondingSAR ExclusionThresholdcondition,listedbelow,issatisfied. LimitsforSARevaluation 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 •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation17 •Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50 mmand fortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separation distanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion 90965-22-72-22-PP001 Page2of2 Address:No.11,WuSongRoad,Tel:86-769-22607797 DongchengDistrict,Dongguan,Fax:86-769-22607907 GuangdongProvince,China523117http://www.cpcteam.com MeasurementResult OperationMode:BLE Channel Maximum Peak Conducted Output Power (dBm) Tuneup tolerance (dBm) Maximum tune-up PowerCalculated value Exclusion threshold (dBm)(mW) Lowest (2402MHz) 4.244±153.1620.98 3.0 Middle (2440MHz) 4.164±153.162 0.99 Highest (2480MHz) 4.094±153.162 1.00 Conclusion:thecalculatedvalue≤3.0,SARisexempted. Remark:TheMaxConductedPeakOutputPowerdatarefertoreportReportNo.:90965-22- 72-22-PP001

Page1of30 Address:No.11,WuSongRoad,Tel:86-769-22607797 DongchengDistrict,Dongguan,Fax:86-769-22607907 GuangdongProvince,China523117http://www.cpcteam.com TESTREPORT ReportNumber. ........................... :90965-22-72-22-PP001 Dateofissue................................: 2022.11.30 Testedby(+signature)..............: DukeChen Approvedby(+signature)........: JasonGao TestingLaboratoryname.........:SLG-CPCTestlaboratoryCo.,Ltd. Address ......................................... : No.11,WuSongRoad,DongchengDistrict,Dongguan,Guangdong Province,China523117 Applicant’sname ........................ :WuhanYixinTechnologyCo.,Ltd Address.........................................: Room02,4/F,building10,Suncity,Gezhouba,No.40,Gaoxin4thRoad,East LakeNewTechnologyDevelopmentZone,WuhanCity,HubeiProvince, China. Manufacturer’sname...............:WuhanYixinTechnologyCo.,Ltd Address ......................................... : Room02,4/F,building10,Suncity,Gezhouba,No.40,Gaoxin4thRoad,East LakeNewTechnologyDevelopmentZone,WuhanCity,HubeiProvince, China. Factory’sname .......................... :MOKOTECHNOLOGYLtd Address.........................................: Factory201,107PinshunRdGuixiangcommunity,Guanlan Street,Longhua,Shenzhen,China518110 Standard(s) .................................. : FCC47CFRPart15,SubpartC EUT ................................................. :HelmetTag TradeMark...................................: N/A Model/Typereference................:H7Lite FCCID ........................................... :2A88A-H7LITE Dateofreceiptoftestitem ...... :2022.11.15 Date(s)ofperformanceoftest: 2022.11.15-2022.11.28 SummaryofTestResults.........:Pass TheSummaryofTestResultsbasedonatechnicalopinionbelongstothestandard(s). Generaldisclaimer: Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofSLG-CPCTestlaboratoryCo., Ltd.Thetestresultsinthereportonlyapplytothetestedsample. 90965-22-72-22-PP001Page2of30 Address:No.11,WuSongRoad,Tel:86-769-22607797 DongchengDistrict,Dongguan,Fax:86-769-22607907 GuangdongProvince,China523117http://www.cpcteam.com TableofContents 1EUTTECHNICALDESCRIPTION..............................................................................................................4 2SUMMARYOFTESTRESULT.....................................................................................................................5 3TESTMETHODOLOGY................................................................................................................................6 3.1GENERALDESCRIPTIONOFAPPLIEDSTANDARDS.......................................................................6 3.2MEASUREMENTEQUIPMENTUSED...................................................................................................6 3.3DESCRIPTIONOFTESTMODES...........................................................................................................7 4FACILITIESANDACCREDITATIONS.......................................................................................................8 4.1FACILITIES...............................................................................................................................................8 4.2LABORATORYACCREDITATIONSANDLISTINGS...........................................................................8 5TESTSYSTEMUNCERTAINTY..................................................................................................................9 6SETUPOFEQUIPMENTUNDERTEST...................................................................................................10 6.1RADIOFREQUENCYTESTSETUP1..................................................................................................10 6.2RADIOFREQUENCYTESTSETUP2..................................................................................................10 7TESTREQUIREMENTS..............................................................................................................................12 7.1DTS6DBBANDWIDTH.........................................................................................................................12 7.2MAXIMUMPEAKCONDUCTEDOUTPUTPOWER.........................................................................15 7.3MAXIMUMPOWERSPECTRALDENSITY........................................................................................17 7.4RADIATEDSPURIOUSEMISSION......................................................................................................20 7.5ANTENNAAPPLICATION.....................................................................................................................30 90965-22-72-22-PP001Page3of30 Address:No.11,WuSongRoad,Tel:86-769-22607797 DongchengDistrict,Dongguan,Fax:86-769-22607907 GuangdongProvince,China523117http://www.cpcteam.com ModifiedInformation VersionReportNo.RevisionDataSummary Ver.1.090965-22-72-22-PP0012022-11-30OriginalVersion 90965-22-72-22-PP001Page4of30 Address:No.11,WuSongRoad,Tel:86-769-22607797 DongchengDistrict,Dongguan,Fax:86-769-22607907 GuangdongProvince,China523117http://www.cpcteam.com 1EUTTECHNICALDESCRIPTION Product:HelmetTag ModelNumber:H7Lite Powersupply: :DC3V :Adapterinformation Modulation:BLE FrequencyRange:2402MHz～2480MHz NumberofChannels:40channels ChannelSpace:2MHz AntennaGain:0.14dBi Antenna:PCBAntenna TemperatureRange:-20~60°C Note:formoredetails,pleaserefertotheUser’smanualoftheEUT. 90965-22-72-22-PP001Page5of30 Address:No.11,WuSongRoad,Tel:86-769-22607797 DongchengDistrict,Dongguan,Fax:86-769-22607907 GuangdongProvince,China523117http://www.cpcteam.com 2SUMMARYOFTESTRESULT FCCPartClauseTestParameterVerdictRemark 15.247(a)(2)DTS(6dB)BandwidthPASS 15.247(b)(3)MaximumPeakConductedOutputPowerPASS 15.247(e)MaximumPowerSpectralDensityLevelPASS 15.247(d)UnwantedEmissionIntoNon-Restricted FrequencyBands PASS 15.247(d) 15.209 RadiatedSpuriousEmissionPASS 15.207ConductedEmissionTestN/A 15.247(b) 15.203 AntennaRequirementPASS NOTE1:N/A(NotApplicable) NOTE2:AccordingtoFCCOETKDB558074,therepo…

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