2BEAY-T5552wireless carplay adapter

C5266091_X24_Ed.2 1/1 “AttestationStatements” TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:ShenzhenTinghaoTechnologyCo.,Ltd. FPN:0034660852 Granteecode:2BEAY FCCID:2BEAY-T5552 ContactName:Lucyxu Address:14A,Building6,Phase3,HaiyueGarden,No.8,Industrial7thRoad,HaiyueCommunity, ZhanshangStreet,NanshanDistrict,ShenzhenCity,GuangdongProvinceChina TelephoneNo:13692264256 FaxNo: Email:[email protected] i.[ShenzhenTinghaoTechnologyCo.,Ltd.](“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.[ShenzhenTinghaoTechnologyCo.,Ltd.](“theapplicant”)certifiesthat,as ofthedateofthefilingoftheapplication,theapplicant[isnot](asa specificallynamedentityoranyofitssubsidiariesoraffiliates)identifiedon theCoveredListasanentityproducing“covered”equipment.Theapplicant mustsignthiscertification. [Insertapplicantname](“theapplicant”)certifiesthat,asofthedateofthefilingof the application,theapplicant[isnot]identifiedontheCoveredList asanentityproducing“covered” equipment. Date:2024/01/02 Applicant’sName:Lucyxu Title:manager Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

ShenzhenTinghaoTechnologyCo.,Ltd. ProductSimilarityDeclaration Productname:wirelesscarplayadapter Modelname:T5552,T5552-8,T5553,T5554,T5555,T5556, T5557,T5558,T5559,T5A,T5B. FCCID:2BEAY-T5552 We(ShenzhenTinghaoTechnologyCo.,Ltd.)herebystatethatall themodelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign(i.e.,circuitdesign,PCBLayout, RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),theonly differenceisthemodelname Signature: Name:Lucyxu Title:manager Date:2024/01/02

C5266091_X8_Ed.1 1/1 LetterofAuthorization <ShenzhenTinghaoTechnologyCo.,Ltd.> Company:ShenzhenTinghaoTechnologyCo.,Ltd. Address:14A,Building6,Phase3,HaiyueGarden, No.8,Industrial7thRoad,HaiyueCommunity,ZhanshangStreet, NanshanDistrict,ShenzhenCity,GuangdongProvinceChina ProductName:wirelesscarplayadapter ModelNumber:T5552,T5552-8,T5553,T5554,T5555,T5556, T5557,T5558,T5559,T5A,T5B. FCCIdentifier:2BEAY-T5552 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:LucyxuDate:2024-1-2 Title:manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 <ShenzhenTinghaoTechnologyCo., Ltd. > Officeof EngineeringTechnology FederalCommunicationsCommission 7435 OaklandMills Road Columbia,MD 21046 Date: Subject:Requestfor Confidentiality FCC ID: 2BEAY-T5552 To WhomIt May Concern, Pursuantto the provisionsof Sections0.457and 0.459of Commission'srules (47CFR0.457,0.459),we are requestingthe Commissionto withholdthe following attachment(s)as confidentialdocumentfrom publicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 ID Label/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ Block Diagram ☒☐ Schematics ☒☐ Test ReportNoNo Test SetupPhotosNo ☐ User’ s Manual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ Parts List / Tune Up ☐☐ RF ExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDR Software/ SecurityInfoNo NOTE1: Long-TermConfidentialitymay be permittedunderspecialconditions(SeeII. LONG-TERMCONFIDENTIALITY,Section3 of KDB 726920,use last in force) NOTE2: Short-TermConfidentialitycan be requestedfor a maximumof 180 daysfromthe dateof the grant. Abovementioneddocumentcontainsdetailedsystemand equipmentdescriptionare consideredas proprietaryinformationin operationof the equipment.The public disclosureof abovedocumentsmightbe harmfulto our companyand wouldgive competitoran unfairadvantagein the market. In case of short-termConfidentiality,the applicantrequeststhe exhibitsselected aboveare withheldfrom publicview for a periodof ______days from the date of the Grantof EquipmentAuthorizationand prior to marketing. It is our understandingthat all measurementtest reports,FCC ID label formatand correspondentduringcertificationreviewprocesscannotbe grantedas confidential documentsand thoseinformationwill be availablefor publicreviewonce the grantof equipmentauthorizationis issued. ☒ C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:Lucyxu Title:manager

ExternalPhotos

FCCID:2BEAY-T5552 Thisdevicecomplieswithpart15oftheFCCRules.Operationissubject tothefollowingtwoconditions: (1)thisdevicemaynotcauseharmfulinterference,and(2)Thisdevice mustacceptanyinterferencereceived,includinginterferencethatmay causeundesiredoperation.

InternalPhotos BTANT WIFIANT1 WIFIANT0 ※※※※※ENDOFREPORT※※※※※

FCCID:2BEAY-T5552 RFExposureEvaluation Limits 447498D01GeneralRFExposureGuidancev06 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. TestResultof RF ExposureEvaluation 2.4GBT mode Channel Antenna Gain (dBi) Antenna Gain (numeric) Max conducted power Outputpowerto antenna(mW) PowerDensity at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 2402MHz-0.580.8751.481.410.0002451PASS 5G WIFImodeANT0 Channel Antenna Gain (dBi) Antenna Gain (numeric) Max conducted power Outputpowerto antenna(mW) PowerDensity at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 5825MHz1.631.45511.2013.180.0038171PASS 5G WIFImodeANT1 Channel Antenna Gain (dBi) Antenna Gain (numeric) Max conducted power Outputpowerto antenna(mW) PowerDensity at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 5745MHz1.631.45512.3617.220.0049861PASS 2.4GBT mode+5G WIFImodeANT0+5GWIFImodeANT1 （ transmittedat the sametime ） Channel Antenna Gain (dBi) Antenna Gain (numeric) Max conducted power Outputpowerto antenna(mW) Sum MPE Limit Result 2402MHz-0.580.8751.481.41 0.0090481PASS5825MHz1.631.45511.2013.18 5745MHz1.631.45512.3617.22 Remark:BT Directionalgain =-0.58 dBi , 5G WIFIANT0Directionalgain =1.63 dBi , 5G WIFIANT1Directionalgain =1.63 dBi

Inverted F Antenna Specification Summary ITEMANT SPEC Model Name B T2.4G ANT HorizontalVertical 2400MHz 2450MHz2500MHz2400MHz2450MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dB PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture SHENZHEN MASNO TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain (dB) Frequency (MHz) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 51 of 82 BandEdge(Hopping)NVNT2-DH52480MHzAnt1HoppingRef BandEdge(Hopping)NVNT2-DH52480MHzAnt1HoppingEmission BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 52 of 82 BandEdge(Hopping)NVNT3-DH52402MHzAnt1HoppingRef BandEdge(Hopping)NVNT3-DH52402MHzAnt1HoppingEmission BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 53 of 82 BandEdge(Hopping)NVNT3-DH52480MHzAnt1HoppingRef BandEdge(Hopping)NVNT3-DH52480MHzAnt1HoppingEmission BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 54 of 82 7.20DB&99%BANDWIDTH TestRequirement:FCCPart15CSection15.247(a)(1) TestMethod:ANSIC63.10:2013 7.1TestSetup 7.2Limit N/A 7.3Testprocedure 1.SetRBW=30kHz. 2.Setthevideobandwidth(VBW)≥3xRBW. 3.Detector=Peak. 4.Tracemode=maxhold. 5.Sweep=autocouple. 6.Allowthetracetostabilize. 7.Measurethemaximumwidthoftheemissionthatisconstrainedbythefrequenciesassociatedwiththetwo outermostamplitudepoints(upperandlowerfrequencies)thatareattenuatedby6dBrelativetothe maximumlevelmeasuredinthefundamentalemission. 7.4DEVIATIONFROMSTANDARD Nodeviation. 7.5TestResult ModeTestchannel 20dBEmission Bandwidth(MHz) 99%Bandwidth (MHz) Result GFSK Lowest0.9430.847 PassMiddle0.9440.853 Highest0.9330.849 π/4-DQPSK Lowest1.2831.172 PassMiddle1.3031.175 Highest1.2811.170 8-DPSK Lowest1.2821.177 PassMiddle1.3171.184 Highest1.2791.174 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 55 of 82 Testplots -20dBBandwidthNVNT1-DH52402MHzAnt1 -20dBBandwidthNVNT1-DH52441MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 56 of 82 -20dBBandwidthNVNT1-DH52480MHzAnt1 -20dBBandwidthNVNT2-DH52402MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 57 of 82 -20dBBandwidthNVNT2-DH52441MHzAnt1 -20dBBandwidthNVNT2-DH52480MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 58 of 82 -20dBBandwidthNVNT3-DH52402MHzAnt1 -20dBBandwidthNVNT3-DH52441MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 59 of 82 -20dBBandwidthNVNT3-DH52480MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 60 of 82 8.MaximumPeakOutputPower TestRequirement:FCCPart15CSection15.247(b)(1) TestMethod:ANSIC63.10:2013 Limit:GFSK:30dBm π/4-DQPSK&8-DPSK:20.97dBm 8.1BlockDiagramOfTestSetup 8.2Limit Forfrequencyhoppingsystemsoperatinginthe2400-2483.5MHzbandemployingatleast75 non-overlappinghoppingchannels,andallfrequencyhoppingsystemsinthe5725-5850MHzband:1watt. Forallotherfrequencyhoppingsystemsinthe2400-2483.5MHzband:0.125watts. ForFHSsoperatingintheband2400-2483.5MHz,themaximumpeakconductedoutputpowershallnot exceed1.0Wifthehopsetuses75ormorehoppingchannels;themaximumpeakconductedoutputpower shallnotexceed0.125Wifthehopsetuseslessthan75hoppingchannels.Thee.i.r.p.shallnotexceed4W. 8.3Testprocedure TheEUTwasdirectlyconnectedtothePowermeter 8.4DEVIATIONFROMSTANDARD Nodeviation. 8.5TestResult ModeTestchannel PeakOutputPower (dBm) FCCLimit (dBm) Result GFSK Lowest-0.85 30.00PassMiddle-1.21 Highest-3.01 π/4-DQPSK Lowest1.39 21.00PassMiddle1.07 Highest-0.83 8-DPSK Lowest1.48 21.00PassMiddle1.06 Highest-0.89 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 61 of 82 9.HOPPINGCHANNELSEPARATION TestRequirement:FCCPart15CSection15.247(a)(1) TestMethod:ANSIC63.10:2013 Receiversetup: RBW=100KHz,VBW=300KHz,detector=Peak Limit: GFSK:20dBbandwidth π/4-DQPSK&8DSK:0.025MHzor2/3ofthe20dBbandwidth(whichever isgreater) 9.1TestSetup 9.2Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum. 2.Setthespectrumanalyzer:RBW=2MHz.VBW=6MHz.Sweep=auto;DetectorFunction=Peak. 3.KeeptheEUTintransmittingatlowest,mediumandhighestchannelindividually.Recordthemaxvalue 9.3DEVIATIONFROMSTANDARD Nodeviation. BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 62 of 82 9.4TestResult ModulationTestChannelSeparation(MHz)Limit(MHz)Result GFSKLow 1.220.943 PASS GFSKMiddle 1.010.944 PASS GFSKHigh 1.0220.933 PASS π/4-DQPSKLow 1.020.855 PASS π/4-DQPSKMiddle 1.0160.869 PASS π/4-DQPSKHigh 0.960.854 PASS 8-DPSKLow 1.1520.855 PASS 8-DPSKMiddle 0.9860.878 PASS 8-DPSKHigh 1.010.853 PASS Testplots CFSNVNT1-DH52402MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 63 of 82 CFSNVNT1-DH52441MHzAnt1 CFSNVNT1-DH52480MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 64 of 82 CFSNVNT2-DH52402MHzAnt1 CFSNVNT2-DH52441MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 65 of 82 CFSNVNT2-DH52480MHzAnt1 CFSNVNT3-DH52402MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 66 of 82 CFSNVNT3-DH52441MHzAnt1 CFSNVNT3-DH52480MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 67 of 82 10.NUMBEROFHOPPINGFREQUENCY TestRequirement:FCCPart15CSection15.247(a)(1)(iii) TestMethod:ANSIC63.10:2013 Receiversetup: RBW=100kHz,VBW=300kHz,Frequencyrange=2400MHz-2483.5MHz, Detector=Peak Limit: 15channels 10.1TestSetup 10.2Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum. 2.Setthespectrumanalyzer:RBW=100kHz.VBW=300kHz.Sweep=auto;DetectorFunction=Peak. Trace=Maxhold. 3.Allowthetracetostabilize.Itmayprovenecessarytobreakthespanuptosections.inordertoclearly showallofthehoppingfrequencies.ThelimitisspecifiedinoneofthesubparagraphsofthisSection. 4.Setthespectrumanalyzer:StartFrequency=2.4GHz,StopFrequency=2.4835GHz.Sweep=auto; 10.3DEVIATIONFROMSTANDARD Nodeviation. BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 68 of 82 10.4TestResult TestPlots: 79Channelsintotal HoppingNo.NVNT1-DH52402MHzAnt1 HoppingNo.NVNT2-DH52402MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 69 of 82 HoppingNo.NVNT3-DH52402MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2305318275074F-1 Page 70 of 82 11.DWELLTIME TestRequirement:FCCPart15CSection15.247(a)(1)(iii) TestMethod:ANSIC63.10:2013 Receiversetup: RBW=1MHz,VBW=3MHz,Span=0Hz,Detector=Peak Limit:≤0.4Second 11.1TestSetup 11.2Testprocedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothespectrum. 2.Setspectrumanalyzerspan=0Hz; 3.SetRBW=1MHzandVBW=3MHz.Sweep=a…

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