2BKC4-GGMMR4REMOTE SENSOR

C5266091_X24_Ed.2 1/1 GGMM INTERNATIONAL CO.,LTD “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: GGMM INTERNATIONAL CO.,LTD FRN: 0035818707 Grantee code: 2BKC4 FCC ID: 2BKC4-GGMMR4 Contact Name: jinzhou Lu Address: FLAT/RM A 15F MANLY COMMERCIAL BUILDING15 SOY STREET MONG KOK, HONGKONG, China Telephone No:18718573537 Fax No: / Email: [email protected] i. [GGMM INTERNATIONAL CO.,LTD] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification. ii. [GGMM INTERNATIONAL CO.,LTD] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [GGMM INTERNATIONAL CO.,LTD] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered List as an entity producing “covered”equipment . Date: 2024/08/26 Applicant’s Name: jinzhou Lu Title: Product Manager Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist C5266091_X24_Ed.2 1/1

C5266091_X8_Ed.1 1/1 Letter of Authorization GGMM INTERNATIONAL CO.,LTD Company: GGMM INTERNATIONAL CO.,LTD Address: FLAT/RM A 15F MANLY COMMERCIAL BUILDING15 SOY STREET MONG KOK, HONGKONG, China Product Name: Wireless Dongle Model Number: R4 FCC Identifier: 2BKC4-GGMMR4 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: jinzhou Lu Date: 2024.08.30 Title: Product Manager Signature of applicant:

C5266091_X10_Ed.2 1/1 GGMMINTERNATIONALCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2024-08-30 Subject:RequestforConfidentiality FCCID: 2BKC4-GGMMR4 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-TermConfidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☒ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☒ User’sManual ☐ NOTE 1 ☒ InternalPhotos ☐ NOTE 1 ☒ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof___180___daysfromthedateof theGrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, C5266091_X10_Ed.2 1/1 Signature: Name:JinzhouLu Title:ProductManager 2024.08.30

Labellocation Lable ProductName:REMOTESENSOR Model:R4 FCCID:2BKC4-GGMMR4

RFEXPOSUREEVALUATION EUTSpecification FCCID: 2BKC4-GGMMR4 EUT REMOTESENSOR ModelName R4 Frequencyband (Operating) WLAN:2.412GHz~2.462GHz WLAN:5.18GHz~5.32GHz/5.50GHz~5.70GHz WLAN:5.745GHz~5825GHz Others(433.92MHz) DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others___ AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Max.outputpower81.17dBuV/m(-14.088dBm)(0.039mW) EvaluationappliedMPEEvaluation SAREvaluation StandardRequirement PortableDevice Accordingto§15.247(i)and§1.1307b(1),systemsoperatingundertheprovisionsofthissection shallbeoperatedinamannerthatensuresthatthepublicisnotexposedtoradiofrequency energylevelsinexcessoftheCommission’sguidelines.SeeKDB447498D01GeneralRF ExposureGuidanceV6,section4.3.1. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR, 16 where ·f(GHz)istheRFchanneltransmitfrequencyinGHz ·PoweranddistanceareroundedtothenearestmWandmmbeforecalculation17 ·Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion. MeasurementResult Channel Frequency (GHz) MaxOutput power (dBm) Maxtune-up tolerance Outputpower (dBm) MaxOutput power (dBm) MaxOutput power (mW) Calculation Value (Note1) Threshold Value 0.433392 -24.308 -24.308 ± 1 -23.3080.005 0.0006 3.0 EIRP=E-104.8+20logD=70.95-104.8+20log3=-24.308dBm Note1:CalculationValue=[(max.powerofchannel,mW)/(min. testseparationdistance,mm)]·[√f(GHz)]. Foxexample:0.005/5*√0.43392=0.0006 ≤3.0 AccordingtoKDB447498D01V6,thresholdatwhichnoSARrequiredis≤3.0for1-gSAR, separationdistanceis5mm,andnosimultaneousSARmeasurementisrequired. TheSARmeasurementisnotnecessary.

ReportNo.:182512C400362101Page1of25 FCCID:2BKC4-GGMMR4 Code:AB-RF-05-b FCCTestReport Applicant:GGMMINTERNATIONALCO.,LTD Address: FLAT/RMA15FMANLYCOMMERCIAL BUILDING15SOYSTREETMONGKOK, HONGKONG,China ProductName:REMOTESENSOR ReportDate:Aug.30,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:182512C400362101Page2of25 FCCID:2BKC4-GGMMR4 Code:AB-RF-05-b Contents 1.GeneralInformation ............................................................................................................................................5 1.1.ClientInformation ....................................................................................................................................5 1.2.DescriptionofDevice(EUT) ..................................................................................................................5 1.3.AuxiliaryEquipmentUsedDuringTest .................................................................................................6 1.4.DescriptionofTestConfiguration ..........................................................................................................6 1.5.DescriptionofTestSetup .......................................................................................................................7 1.6.TestEquipmentList .................................................................................................................................8 1.7.MeasurementUncertainty ......................................................................................................................9 1.8.DescriptionofTestFacility .....................................................................................................................9 1.9.Disclaimer ...............................................................................................................................................10 2.SummaryofTestResults .................................................................................................................................11 3.ConductedEmissionTest ................................................................................................................................12 3.1.TestStandardandLimit ........................................................................................................................12 3.2.TestSetup ...............................................................................................................................................12 3.3.TestProcedure .......................................................................................................................................12 3.4.TestData .................................................................................................................................................12 4.FieldStrengthofFundamentalandSpuriousEmission .............................................................................13 4.1.TestStandardandLimit ........................................................................................................................13 4.2.TestSetup ...............................................................................................................................................14 4.3.TestProcedure .......................................................................................................................................15 4.4.TestData .................................................................................................................................................15 5.20dBOccupyBandwidthTest .........................................................................................................................20 5.1.TestStandardandLimit ........................................................................................................................20 5.2.TestSetup ...............................................................................................................................................20 5.3.TestProcedure .......................................................................................................................................20 5.4.TestData .................................................................................................................................................20 6.DwellTimeTest .................................................................................................................................................22 6.1.TestStandardandLimit ........................................................................................................................22 6.2.TestSetup ...............................................................................................................................................22 6.3.TestProcedure .......................................................................................................................................22 6.4.TestData .................................................................................................................................................22 7.AntennaRequirement ......................................................................................................................................24 7.1.TestStandardandRequirement .........................................................................................................24 7.2.AntennaConnectedConstruction .......................................................................................................24 APPENDIXI--TESTSETUPPHOTOGRAPH ................................................................................................25 APPENDIXII--EXTERNALPHOTOGRAPH ..................................................................................................25 APPENDIXIII--INTERNALPHOTOGRAPH ...................................................................................................25 ReportNo.:182512C400362101Page4of25 FCCID:2BK…

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1 产品概述 TheST-A-433springantennaisspeciallydesignedforwirelessdatatransmissionsystems.Ithasa smallstandingwaveratio,compactsize,ingeniousstructure,easyinstallation,stable performance,andexcellentanti-vibrationandagingcapabilities.Theantennaisstrictlytested byanetworkanalyzerinasimulatedenvironmentofawirelessdatatransmissionsystembefore leavingthefactory. Technicalparameters Productmodel:ST-A-433 Manufacturer:ShenzhenGGMMIndustrialCo.,Ltd Operatingfrequency:428MHz~438MHzPolarizationmode:linearpolarization Standingwaveratio:<=1.5Gain:2.0~3.0dBi Inputimpedance:50ohmsAntennainterface:directwelding Weight:1gColor:silver Antennasize:(unit:mm):wirediameter0.5mm,diameter4.3mm,length23mm,rightangle 5.8mm AntennaVSWRDiagram 1