2AVBM-GK3VMini PC

ShenzhenCYXIndustrialCo.,Ltd. ModelDifference Productdescription:MiniPC Modelname:GK3V,AK3V,GK3PRO,GK7 TradeName:N/A FCCID:2AVBM-GK3V AllthemodelareofthesamecircuitandRFmodule,andtheonlydifferenceisthemodel name. Regards Sincerely Client’ssignature: Client’sname/title:KingWang Contactinformation/address:BuildingA,CorrentLowCarbonIndustrialPark,DalangStreet,Longhua District,Shenzhen,China

C5266091_X8_Ed.1 1/1 LetterofAuthorization ShenzhenCYXIndustrialCo.,Ltd. Company:ShenzhenCYXIndustrialCo.,Ltd. BuildingA,CorrentLowCarbonIndustrialPark,DalangStreet,LonghuaDistrict, Shenzhen,China ProductName:MiniPC ModelNumber:GK3V,AK3V,GK3PRO,GK7 FCCIdentifier:2AVBM-GK3V WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:KingWangDate:2022/02/28 Title:R&DDirector Signatureofapplicant:

C5266091_X10_Ed.2 1/1 ShenzhenCYXIndustrialCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date: 2022/02/28 Subject:RequestforConfidentiality FCCID:2AVBM-GK3V ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual N/A ☐ InternalPhotos N/A ☐ 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______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. ☒ C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:KingWang Title:R&DDirector 2022/02/28

EUTPHOTOS(ExternalPhotos) ※※※※※ENDOFREPORT※※※※※

GK3V_LabelandLabelLocation

EUTPHOTO(InternalPhotos) ANT1 ※※※※※ENDOFREPORT※※※※※

FCCID:2AVBM-GK3V RFExposureEvaluation Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. TestResultofRFExposureEvaluation BLEmode ModulationType Outputpower toantenna (dBm) Outputpowerto antenna(mW) PowerDensityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result GFSK0.4870.497 0.00034 1.0PASS BTEDRmode ModulationType Outputpower toantenna (dBm) Outputpowerto antenna(mW) PowerDensityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 8DPSK3.0362.0120.000611.0PASS 2.4GWi-Fimode ModulationType Outputpower toantenna (dBm) Outputpowerto antenna(mW) PowerDensityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result OFDM13.1520.6540.006221.0PASS 5GWi-Fimode ModulationType Outputpower toantenna (dBm) Outputpowerto antenna(mW) PowerDensityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result OFDM8.8577.6860.002311.0PASS ThedevicecouldnotsupporttransmissionwithWIFIandBTsimultaneously. Remark:BTantennagain=1.8dBi,Wi-Fiantennagain=1.8dBi

Project No.:ZKT-220225L1102E-1 Page 1 of 56 FCC TEST REPORT FCC ID:2AVBM-GK3V Report Number. .................................. :ZKT-220225L1102E-1 Date of Test ............................................. Feb. 24, 2022 to Mar. 02, 2022 Date of issue ......................................... : Mar. 02, 2022 Total number of pages .......................... 56 Test Result ............................................ : PASS Testing Laboratory. ........................... : Shenzhen ZKT Technology Co., Ltd. Address ............................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Applicant's name ............................. : Shenzhen CYX Industrial Co., Ltd. Address ............................................... : Building A, Corrent Low Carbon Industrial Park, Dalang Street, Longhua District, Shenzhen, China Manufacturer's name ...................... : Shenzhen CYX Industrial Co., Ltd. Address ............................................... : Building A, Corrent Low Carbon Industrial Park, Dalang Street, Longhua District, Shenzhen, China Test specification: Standard ................................................ : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Test procedure ...................................... : KDB558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Non-standard test method ................ :N/A Test Report Form No. ....................... : TRF-EL-110_V0 Test Report Form(s) Originator.....: ZKT Testing Master TRF ........................................ : Dated: 2020-01-06 This device described above has been tested by ZKT, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of ZKT, this document may be altered or revised by ZKT, personal only, and shall be noted in the revision of the document. Product name ..................................... :MiniPC Trademark ........................................... :N/A Model/Type reference ......................... : GK3V AK3V, GK3PRO, GK7 Ratings .................................................. : Input:12V 2.5A Project No.:ZKT-220225L1102E-1 Page 2 of 56 Testing procedure and testing location: Testing Laboratory ....................................... : Shenzhen ZKT Technology Co., Ltd. Address ............................................................ : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Jim Liu Tested by (name + signature) ....................... : Tom Zou Reviewer (name + signature) ....................... : Lake Xie Approved (name + signature) ....................... : Project No.:ZKT-220225L1102E-1 Page 3 of 56 Table of Contents Page 1. VERSION5 2. SUMMARY OF TEST RESULTS6 2.1 TEST FACILITY7 2.2 MEASUREMENT UNCERTAINTY7 3. GENERAL INFORMATION8 3.1 GENERAL DESCRIPTION OF EUT8 3.2 DESCRIPTION OF TEST MODES9 3.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED10 3.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE)10 3.5EQUIPMENTS LIST FOR ALL TEST ITEMS11 4. EMC EMISSION TEST12 4.1 CONDUCTED EMISSION MEASUREMENT12 4.1.1 POWER LINE CONDUCTED EMISSION LIMITS12 4.1.2 TEST PROCEDURE12 4.1.3 DEVIATION FROM TEST STANDARD12 4.1.4 TEST SETUP13 4.1.5 EUT OPERATING CONDITIONS13 4.1.6 TEST RESULT14 4.2 RADIATED EMISSION MEASUREMENT16 4.2.1 RADIATED EMISSION LIMITS16 4.2.2 TEST PROCEDURE16 4.2.3 DEVIATION FROM TEST STANDARD17 4.2.4 TEST SETUP17 4.2.5 EUT OPERATING CONDITIONS18 4.2.6 TEST RESULTS18 5.RADIATED BAND EMISSIONMEASUREMENT29 5.1 TEST REQUIREMENT:29 5.2 TEST PROCEDURE29 5.3 DEVIATION FROM TEST STANDARD29 5.4 TEST SETUP30 5.5 EUT OPERATING CONDITIONS30 5.6 TEST RESULT31 6.POWER SPECTRAL DENSITY TEST33 6.1 APPLIED PROCEDURES / LIMIT33 6.2 TEST PROCEDURE33 6.3 DEVIATION FROM STANDARD33 6.4 TEST SETUP33 Project No.:ZKT-220225L1102E-1 Page 4 of 56 6.5 EUT OPERATION CONDITIONS33 6.6 TEST RESULT34 7. CHANNEL BANDWIDTH& 99% OCCUPY BANDWIDTH42 7.1 APPLIED PROCEDURES / LIMIT42 7.2 TEST PROCEDURE42 7.3 DEVIATION FROM STANDARD42 7.4 TEST SETUP42 7.5 EUT OPERATION CONDITIONS42 7.6 TEST RESULT43 8.PEAK OUTPUT POWER TEST46 8.1 APPLIED PROCEDURES/LIMIT46 8.2 TEST PROCEDURE46 8.3 DEVIATION FROM STANDARD46 8.4 TEST SETUP46 8.5 EUT OPERATION CONDITIONS46 8.6 TEST RESULT47 9. CONDUCTED BAND EDGE AND SPURIOUS EMISSION48 9.1 APPLICABLE STANDARD48 9.2 TEST PROCEDURE48 9.3 DEVIATION FROM STANDARD48 9.4 TEST SETUP48 9.5 EUT OPERATION CONDITIONS48 9.6 TEST RESULTS48 10. ANTENNA REQUIREMENT55 11. TEST SETUP PHOTO56 12. EUT CONSTRUCTIONAL DETAILS56 Project No.:ZKT-220225L1102E-1 Page 5 of 56 1. VERSION Report No.VersionDescriptionApproved ZKT-220225L1102E-1Rev.01Initial issue of reportMar. 02, 2022 Project No.:ZKT-220225L1102E-1 Page 6 of 56 2. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test ItemResultRemark FCC part 15.203/15.247 (b)(4) Antenna requirementPASS FCC part 15.207AC Power Line Conducted EmissionPASS FCC part 15.247 (b)(3)Conducted Peak Output PowerPASS FCC part 15.247 (a)(2)Channel Bandwidth& 99% OCBPASS FCC part 15.247 (e)Power Spectral DensityPASS FCC part 15.247(d)Band EdgePASS FCC part 15.205/15.209Spurious EmissionPASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Project No.:ZKT-220225L1102E-1 Page 7 of 56 2.1 TEST FACILITY Shenzhen ZKT Technology Co., Ltd. Add. : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China FCC Test Firm Registration Number: 692225 Designation Number: CN1299 IC Re gistered No.: 27033 2.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U ， where expended uncertainty U is based on a standard uncertainty multiplied by a cove…

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