2A9UL-SHTRCD10VRoasting Control Device

SHT-RCD10-V Roasti ng Contr ol Devi ce Operating In struction Power on the Device-turn on your TV, connect SHT-RCD10-V to your TV with HDMI cable, select source of the HDMI. Main Menu After booting, you will go into the main interface as below * Using th e remote contr ol or mouse to move th e cursor to contr ol th e device * Click th e centr al butto n to ente r applicati on, get all th e basic apps, or you could download from play sto re. WiFi Setting * Click Setti ng, choose netw ork * Searching local netw ork and connecte d to able th e netw ork * or wifi not available, choose Eth ernet * Afte r setu p netw ork, go back to main inte rface, you are able to browser website and download apps from play sto re. Browse the file * In Deskto p sta te , click th e applicati on bar icon, ente r into th e applicati on field, click into th e" resource manager." * In th e file list can be clickable sliding, rolling. * Click on th e required file or folder, can open th e file or folder. * Click th e sta tu s bar of th e back butto n to retu rn to th e level folder. * Click th e Home butto n on th e sta tu s bar, you can retu rn to th e home page. * Long press a file or folder, window pop up with a menu, for example: "Copy, delete , move, paste , r ename" and oth er additi onal opti ons. If you do not execute th e operation, click on th e Cancel butto n directl y In stall/Uninstall Apps Device operating system default for Android version, install the software required to process the format is*. Apk format. * this device supports many popular third-party application software formats * this device can be installed or uninstalled you need software. * To install an application, the need to*. Apk format copied to your SHT-RCD10-V, then open” resource manager",click to install*. Apk file. * Installed application, will appear in the application bar. * To uninstall the software, click "Settings" to enter the setup menu, click into the "Applications" tab, then click: "Manage Applications", click on the software you want to uninstall, and click "Uninstall. Product Display 4 x USB 1 x TF card slot 1 x HDMI port 1 x AV port 1 x Opti cal port 1 x RJ45 jack 1 x DC port 1 x Ex te rnal ante nna port Specs. Spe cificat ions of appe ndix: Model# CP SHT-RCD10-V URK3288 Mai n Frequency Quad-c ore ARM Cortex-A 17 CPU wi th up to 1.8GHz and GPU is Mali-T 764 In ner memory 2G DDR3 Memory 4G8G16G32G Ope rat ing systemAndroid 5. 1 User interfac e Android system lnterfac e style Video4K H.264/ H.265 decoder, 1080Pmulti-v ideo decoders 1080Pvideo encoding for H.264 an d VP8, MVC AudioMP3/ WMA/APE /FLAC/AAC/OGG/AC3/ WAV etc. Pi ctureSuppo rts var iety of imag e format s br owsing (jpg 、pn g、bm p etc.） Flas hSuppo rts flas h 11. 1 Storag e Expan sion Suppo rt TF car d an d mobi le har d disk expan sion USB4 USB HOST 2. 0 TF car dSuppo rt up to 32G B capac ity HDMIHDMI 2. 0 with up to 4K( 2160p) Bluetooth BT 4. 0 Wifi2. 4G /5G Wifi Rj45Connection the wire network Audio Opt ical Suppo rts Audio opt ical outpu t Remote control Suppo r t IR remote an d 2. 4G Wireless remote AV OutSuppo rt AV out Voltag e par am eters 12V 3A DC FCC State ment This device complies with part 15 of th e FCC Ru les. Operati on is subject to th e following tw o conditi ons: (1) This device may not cause harmful inte rference, and (2) th is device must accept any inte rference received, including inte rference th at may cause undesired operati on. Note : This equipment has been te sted and found to comply with th e limits for a Class B digita l device, pursuant to part 15 of th e FCC Ru les. These limits are designed to provide reasonable prote cti on against harmful inte rference in a residenti al insta llati on. This equipment generate s, uses and can radiate radio frequency energy and, if not insta lled and used in accordance with th e instr ucti ons, may cause harmful inte rference to radio communicati ons. However, th ere is n o guarante e th at inte rference will not occur in a particular insta llati on. If th is equipment does cause harmful inte rference to radio or te levision recepti on, which can be dete rmined by tu rning th e equipment off and on, th e user is encouraged to tr y to correct th e inte rference by one or more of th e following measures: —Reorient or relocate th e receiving ante nna. —Increase th e separati on betw een th e equipment and receiver. —Connect th e equipment into an outl et on a circu it different from th at to which th e receiver is connecte d. —Consult th e dealer or an experienced radio/TV te chnician for help. Note : The Grante e is not responsible for any changes or modificati ons not expressly approved by th e party responsible for compliance. such modificati ons could void th e user's auth ority to operate th e equipment. The device has been evaluate d to meet general RF exposure requirement. To mainta in compliance with FCC's RF exposure guidelines, th e dista nce must be at least 20 cm betw een th e radiato r and your body, and fully supporte d by th e operati ng and insta llati on configurations of th e tr ansmitte r and its ante nna(s).

C566091_X23_Ed2 1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 This letter is to confirm that the US Agent for Service of Process accepts responsibility to act as a local representative on behalf of Stronghold Technology Inc US Agent for Service of Process: Company Name: AXH Group LLC FRN: 0033919796 Contact Name:Arash Hassanian Address: 13350 South Gessner Rd, Missouri City, TX 77489 Telephone:(832) 364-4670 Email: [email protected] . The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Applicant: Company name:Stronghold Technology Inc Product Description: Roasting Control Device Grantee code:2A9UL FCC ID:2A9UL-SHTRCD10V Contact Name:Youmi Seo Address:1157, Beoman-ro, Geumcheon-gu, Seoul, Korea Telephone No:8216003263 Email:[email protected] The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2023/06/01 Applicant’s Name:Stronghold Technology Inc US Agent’s Name: Arash Hassanian Title: Researcher Title:Manage Signature Signature DocuSign Envelope ID: 1991DE4F-88B3-4EC7-BD5A-C3903B480C9E

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:StrongholdTechnologyInc Granteecode:2A9UL FCCID:2A9UL-SHTRCD10V ContactName:YoumiSeo Address:1157,Beoman-ro,Geumcheon-gu,Seoul,Korea TelephoneNo:8216003263 FaxNo:8216003263 Email:[email protected] i.StrongholdTechnologyInc(“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Theapplicantmustsignthiscertification. ii.StrongholdTechnologyInc(“theapplicant”)certifiesthat,asofthedateof thefilingoftheapplication,theapplicantisnot(asaspecificallynamed entityoranyofitssubsidiariesoraffiliates)identifiedontheCoveredListas anentityproducing“covered”equipment.Theapplicantmustsignthis certification. i.StrongholdTechnologyInc(“theapplicant”)certifiesthat,asofthedateofthe filingofthe application,theapplicantisnotidentifiedontheCoveredList asanentityproducing“covered” equipment. Date:2023/06/12 Applicant’sName:YoumiSeo Title:Researcher Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

C5266091_X8_Ed.1 1/1 LetterofAuthorization <StrongholdTechnologyInc> Company:StrongholdTechnologyInc ProductName:RoastingControlDevice ModelNumber:SHT-RCD10-V FCCIdentifier:2A9UL-SHTRCD10V 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:YoumiSeoDate:2023.06.12 Title:Researcher Signatureofapplicant: Address:1157,Beoman-ro,Geumcheon-gu,Seoul,Korea

C5266091_X10_Ed.1 1/1 <StrongholdTechnologyInc> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2023.06.12 Subject:RequestforConfidentiality FCCID:2A9UL-SHTRCD10V ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo BlockDiagram Schematics TestReportNoNo TestSetupPhotosNo User’sManual InternalPhotos PartsList/TuneUp RFExposureInfo OperationalDescription CoverLetter(s)NoNo SDRSoftware/SecurityInfoNo Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, Signature: Name:YoumiSeo Title:Researcher

FCCID:2A9UL-SHTRCD10V EUTPHOTOS(ExternalPhotos) FCCID:2A9UL-SHTRCD10V FCCID:2A9UL-SHTRCD10V FCCID:2A9UL-SHTRCD10V FCCID:2A9UL-SHTRCD10V ANT FCCID:2A9UL-SHTRCD10V ※※※※※ENDOFREPORT※※※※※

RoastingControlDevice SHT-RCD10-V FCCID:2A9UL-SHTRCD10V MadeInChina 22mm 42mm

FCCID:2A9UL-SHTRCD10V EUTPHOTO(InternalPhotos) FCCID:2A9UL-SHTRCD10V FCCID:2A9UL-SHTRCD10V FCCID:2A9UL-SHTRCD10V FCCID:2A9UL-SHTRCD10V FCCID:2A9UL-SHTRCD10V FCCID:2A9UL-SHTRCD10V FCCID:2A9UL-SHTRCD10V ※※※※※ENDOFREPORT※※※※※

FCCID:2A9UL-SHTRCD10V RFExposureEvaluation Limits KDB447498D01V06Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironment impactofhumanexposuretoradiofrequency(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 ModeChannel Output powerto antenna (dBm) Tune-up power (dBm) Output powerto antenna (mW) Power Densityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 2.4GWiFi 802.11b13.5013±125.120.0101.0PASS 802.11g12.4812±119.950.0081.0PASS 802.11n(HT20)11.6611±115.850.0061.0PASS BluetoothLE 24025.485±13.980.0021.0PASS 24408.588±17.940.0031.0PASS 24808.008±17.940.0031.0PASS 5.2GWiFi 51808.64 8±17.940.0031.0PASS 52008.67 8±17.940.0031.0PASS 52408.85 8±17.940.0031.0PASS 5.8GWiFi 57458.39 8±17.940.0031.0PASS 57858.95 8±17.940.0031.0PASS 58259.99 9±110.000.0041.0PASS ThedevicecouldsupporttransmissionwithWIFIandBTsimultaneously. PowerDensityatR=20cm(mW/cm 2 ):0.01+0.003+0.003+0.004=0.02〈1.0Limit(mW/cm 2 ),SoaSARtestis notrequired. Remark:5GAntennagain=3.16dBi,2.4GAntennagain=3.02dBi

ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 客户 : DESCRIPTION: PARTNO. ： CUSPARTNO. ： DATE： APPROVAL ITEM YD-003-WIFI-174-L500-SMA 2023.1.11 жApprovalinduplicate,pleasesignedbyyourcompany. ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 1.TestItemsAndEquipment TestItemsEquipment 1.s11 （s-Parameter） 1.ReturnLoss 2.Vswr NetworkAnalyzer:Agilente5071b Hp8753d 2.Active 1. Trp 2.Tis 1.Darkroom：Ets7x4x3m(3d) ChamberEts5x3x3m (3d)Chamber 2. ComprehensiveTestInstrument:Agilent 8960e5515b×2 StarpointSp6011 3.Passive 1.Gain）2.Efficiency1.Darkroom：Ets7x4x3m(3d) ChamberEts5x3x3m (3d)Chamber 2.NetworkAnalyzer：Agilente5071b Hp 8753d ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 2. Antennaperformance： ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 3. Darkroompassivedata : PassiveTestForWIFI Freq (MHz) Effi Effi (dB) Gain (dBi) Gain (dBd) UHIS (%) DHIS (%) Max (dB) Min (dB) Attenut Hor Attenut Ver 240065.99-1.82.990.8435.62930.3652.99-8.2848.0947.94 241061.32-2.122.620.4732.76228.5572.62-8.3248.0747.87 242060.58-2.182.520.3732.12128.4572.52-8.4948.1848 243061.75-2.092.580.4332.56129.1882.58-9.0848.1747.99 244064.63-1.92.730.5834.12230.5032.73-9.6648.3348.11 245066.86-1.752.860.7135.32631.5342.86-9.9348.4448.14 246067.45-1.712.920.7735.51431.9382.92-9.8248.4148.06 247068.53-1.643.020.8735.71832.8173.02-9.4448.4948.11 248067.12-1.732.940.7934.49332.6242.94-11.148.6348.18 249064.57-1.92.740.5932.81131.7632.74-12.9448.7648.29 250063.95-1.942.70.5532.02731.9262.7-14.2148.6948.16 ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 2400.000MHzH 2400.000MHzE1 2400.000MHzE2 ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 2450.000MHzH 2450.000MHzE1 2450.000MHzE2 ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 2500.000MHzH 2500.000MHzE1 2500.000MHzE2 ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] PassiveTestForWIFI-5G Freq (IHz) Effi (%) Effi (dB) Gain (dBi) Gain (dBd) UHIS (%) DHIS (%) Max (dB) Min (dB) Attenut Hor Attenut Ver 510054.37-2.652.490.3432.12622.2422.49-17.9857.9557.06 520048.33-3.162.60.4528.01320.3182.6-17.257.5556.83 530045.95-3.381.69-0.4625.20720.7461.69-17.0557.1656.32 540060.66-2.172.90.7532.79727.8612.9-17.2158.3257.48 541062.79-2.023.161.0133.9828.813.16-16.958.257.29 550066.08-1.82.870.7234.98531.092.87-13.9158.9157.66 560062.71-2.032.40.2533.01929.6922.4-21.6359.5158.82 570066.41-1.782.580.4335.52430.892.58-18.5960.5459.93 580069.71-1.573.020.8736.37833.3323.02-16.2261.1460.57 582570.51-1.533.040.6536.25231.6253.04-15.92461.0360.24 ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 5100.000MHzH 5100.000MHzE1 5100.000MHzE2 ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 5500.000MHzH 5500.000MHzE1 5500.000MHzE2 ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 5825.000MHzH 5825.000MHzE1 5825.000MHzE2 ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] 4. 天线结构图： ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected] Environmentperformancetest: ProjectTestconditionTestresults Storage environment Testtemperature,humidity,pressurewithout statedconditionasfollwings:1.Temperature:-30°C～ +80°C;2.Relativehumidity:45%-85%;3,Pressure: 86kpa-106kpa Electricaland mechanical performancenormal Highandlow temperaturetest Having5timescyclebetween-40°Cto70°C,Thenincommon condition1-2hourstestexteriorquality. Measurement satisfiedwith electricaland mechanical performancenormal. Resistance constanthotand humidtest Relativehumidity:95±3%,Testtemperature:40°C,last2 hours,putitafter5mintesttheelectricalfunction.Test productsduringcommoncondition1-2hours,Thentest exteriorquality. Measurement satisfiedwith electricaland mechanical performancenormal. Vibrationtest VibrateFrequency:10-55HZ; Distance:0.35mm;Acceleration:50.0m/s;Sweepfrequency cycle:30times Electricaland mechanical performancenormal FalltestFrom1mheightfalldown3timesfreely(verticaldirection) Electricaland mechanical performancenormal ShenzhenYundingCommunicationElectronicsCo.,Ltd TEL：+860755-23073599FAX：+860755-23097189 E-mail:[email protected]

ProjectNo.:ZKT-230509L3374E-2 Page 1 of 40 FCCTESTREPORT FCCID:2A9UL-SHTRCD10V ReportNumber...................................:ZKT-230509L3374E-2 DateofTest ....................................................... :May06,2023toMay12,2023 Dateofissue ......................................... :May12,2023 Totalnumberofpages..........................40 TestResult .......................................... : PASS TestingLaboratory. ........................... : ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................:StrongholdTechnologyInc Address ............................................... : 1157,Beoman-ro,Geumcheon-gu,Seoul,Korea Manufacturer'sname ...................... :ItempTechnologyCompanyLimited Address...............................................: 714-715,HuaideYinshanBuilding,107NationalHighway,Fuwei Community,FuyongStreet,BaoanDistrict,Shenzhen Testspecification: Standard ................................................ :FCCCFRTitle47Part15SubpartCSection15.247 Testprocedure ..................................... :KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2013 Non-standardtestmethod................:N/A TestReportFormNo. ....................... : TRF-EL-111_V0 TestReportForm(s)Originator ..... : ZKTTesting MasterTRF ........................................ : Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................:RoastingControlDevice Trademark...........................................:N/A Model/Typereference ......................... : SHT-RCD10-V Ratings..................................................: Input:100-240V~50/60Hz,1.5A Output:12V3.0A ProjectNo.:ZKT-230509L3374E-2 Page 2 of 40 Testingprocedureandtestinglocation: TestingLaboratory.......................................:ShenzhenZKTTechnologyCo.,Ltd. Address ............................................................ :1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature).......................: TomZou Reviewer(name+signature).......................: LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-230509L3374E-2 Page 3 of 40 TableofContents Page 1.VERSION..................................................................................................................................................5 2.SUMMARYOFTESTRESULTS.............................................................................................................6 2.1TESTFACILITY...............................................................................................................................7 2.2MEASUREMENTUNCERTAINTY...................................................................................................7 3.GENERALINFORMATION.....................................................................................................................8 3.1GENERALDESCRIPTIONOFEUT................................................................................................8 3.2DESCRIPTIONOFTESTMODES..................................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED..............................9 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)....................................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS.................................................................................11 4.EMCEMISSIONTEST..........................................................................................................................13 4.1CONDUCTEDEMISSIONMEASUREMENT................................................................................13 4.1.1POWERLINECONDUCTEDEMISSIONLimits..................................................................13 4.1.2TESTPROCEDURE.............................................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD................................................................................13 4.1.4TESTSETUP........................................................................................................................14 4.1.5EUTOPERATINGCONDITIONS.........................................................................................14 4.1.6TESTRESULTS....................................................................................................................15 4.2RADIATEDEMISSIONMEASUREMENT.....................................................................................17 4.2.1RADIATEDEMISSIONLIMITS.............................................................................................17 4.2.2TESTPROCEDURE.............................................................................................................18 4.2.3DEVIATIONFROMTESTSTANDARD................................................................................18 4.2.4TESTSETUP........................................................................................................................18 4.2.5EUTOPERATINGCONDITIONS.........................................................................................19 5.RADIATEDBANDEMISSIONMEASUREMENT..................................................................................24 5.1TESTREQUIREMENT:...........................................................................................................24 5.2TESTPROCEDURE..........................................…

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ProjectNo.:ZKT-230509L3374E Page 1 of 51 FCCTESTREPORT FCCID:2A9UL-SHTRCD10V ReportNumber...................................:ZKT-230509L3374E DateofTest.......................................................:May06,2023toMay12,2023 Dateofissue.........................................:May12,2023 Totalnumberofpages .......................... 51 TestResult ............................................ : PASS TestingLaboratory............................: ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................:StrongholdTechnologyInc Address ............................................... : 1157,Beoman-ro,Geumcheon-gu,Seoul,Korea Manufacturer'sname......................:ItempTechnologyCompanyLimited Address...............................................: 714-715,HuaideYinshanBuilding,107NationalHighway,Fuwei Community,FuyongStreet,BaoanDistrict,Shenzhen Testspecification: Standard................................................:FCCCFRTitle47Part15SubpartCSection15.247 Testprocedure ..................................... : KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2013 Non-standardtestmethod................:N/A TestReportFormNo. ....................... : TRF-EL-110_V0 TestReportForm(s)Originator ..... : ZKTTesting MasterTRF ........................................ : Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................:RoastingControlDevice Trademark ........................................... :N/A Model/Typereference ......................... :SHT-RCD10-V Ratings .................................................. : Input:100-240V~50/60Hz,1.5A Output:12V3.0A ProjectNo.:ZKT-230509L3374E Page 2 of 51 Testingprocedureandtestinglocation: TestingLaboratory.......................................:ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature).......................: TomZou Reviewer(name+signature).......................: LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-230509L3374E Page 3 of 51 TableofContents Page 1.VERSION5 2.SUMMARYOFTESTRESULTS6 2.1TESTFACILITY7 2.2MEASUREMENTUNCERTAINTY7 3.GENERALINFORMATION8 3.1GENERALDESCRIPTIONOFEUT8 3.2DESCRIPTIONOFTESTMODES9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED10 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)10 3.5EQUIPMENTSLISTFORALLTESTITEMS11 4.EMCEMISSIONTEST13 4.1CONDUCTEDEMISSIONMEASUREMENT13 4.1.1POWERLINECONDUCTEDEMISSIONLIMITS13 4.1.2TESTPROCEDURE13 4.1.3DEVIATIONFROMTESTSTANDARD13 4.1.4TESTSETUP14 4.1.5EUTOPERATINGCONDITIONS14 4.1.6TESTRESULT14 4.2RADIATEDEMISSIONMEASUREMENT17 4.2.1RADIATEDEMISSIONLIMITS17 4.2.2TESTPROCEDURE17 4.2.3DEVIATIONFROMTESTSTANDARD18 4.2.4TESTSETUP18 4.2.5EUTOPERATINGCONDITIONS19 4.2.6TESTRESULTS19 5.RADIATEDBANDEMISSIONMEASUREMENT29 5.1TESTREQUIREMENT:29 5.2TESTPROCEDURE29 5.3DEVIATIONFROMTESTSTANDARD29 5.4TESTSETUP30 5.5EUTOPERATINGCONDITIONS30 5.6TESTRESULT31 6.POWERSPECTRALDENSITYTEST33 6.1APPLIEDPROCEDURES/LIMIT33 6.2TESTPROCEDURE33 6.3DEVIATIONFROMSTANDARD33 6.4TESTSETUP33 ProjectNo.:ZKT-230509L3374E Page 4 of 51 6.5EUTOPERATIONCONDITIONS33 6.6TESTRESULT34 7.CHANNELBANDWIDTH&99%OCCUPYBANDWIDTH40 7.1APPLIEDPROCEDURES/LIMIT40 7.2TESTPROCEDURE40 7.3DEVIATIONFROMSTANDARD40 7.4TESTSETUP40 7.5EUTOPERATIONCONDITIONS40 7.6TESTRESULT41 8.PEAKOUTPUTPOWERTEST44 8.1APPLIEDPROCEDURES/LIMIT44 8.2TESTPROCEDURE44 8.3DEVIATIONFROMSTANDARD44 8.4TESTSETUP44 8.5EUTOPERATIONCONDITIONS44 8.6TESTRESULT45 9.CONDUCTEDBANDEDGEANDSPURIOUSEMISSION46 9.1APPLICABLESTANDARD46 9.2TESTPROCEDURE46 9.3DEVIATIONFROMSTANDARD46 9.4TESTSETUP46 9.5EUTOPERATIONCONDITIONS46 9.6TESTRESULTS46 10.ANTENNAREQUIREMENT50 11.TESTSETUPPHOTO51 12.EUTCONSTRUCTIONALDETAILS51 ProjectNo.:ZKT-230509L3374E Page 5 of 51 1.VERSION ReportNo.VersionDescriptionApproved ZKT-230509L3374ERev.01InitialissueofreportMay12,2023 ProjectNo.:ZKT-230509L3374E Page 6 of 51 2.SUMMARYOFTESTRESULTS Testproceduresaccordingtothetechnicalstandards: FCCPart15(15.247),SubpartC Standard Section TestItemResultRemark FCCpart15.203/15.247 (b)(4) AntennarequirementPASS FCCpart15.207ACPowerLineConductedEmissionPASS FCCpart15.247(b)(3)ConductedPeakOutputPowerPASS FCCpart15.247(a)(2)ChannelBandwidth&99%OCBPASS FCCpart15.247(e)PowerSpectralDensityPASS FCCpart15.247(d)BandEdgePASS FCCpart15.205/15.209SpuriousEmissionPASS NOTE: (1)”N/A”denotestestisnotapplicableinthisTestReport ProjectNo.:ZKT-230509L3374E Page 7 of 51 2.1TESTFACILITY ShenzhenZKTTechnologyCo.,Ltd. Add.:1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrialAvenue,FuhaiStreet,Bao'an District,Shenzhen,China FCCTestFirmRegistrationNumber:692225 DesignationNumber:CN1299 ICRegisteredNo.:27033 2.2MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U，whereexpendeduncertaintyUisbasedonastandard uncertaintymultipliedbyacoveragefactorofk=2 ， providingalevelofconfidenceofapproximately95 %。 No.ItemUncertainty 1 3mcamberRadiatedspurious emission(30MHz-1GHz) U=4.3dB 2 3mchamberRadiatedspurious emission(1GHz-18GHz) U=4.5dB 3 3mchamberRadiatedspurious emission(18GHz-40GHz) U=3.34dB 4 ConductedAdjacentchannel power U=1.38dB 5Allemissionsradiated(9k-30MHz)U=4.68dB 6 Conductedoutputpower uncertaintyAbove1G U=1.576dB 7 Conductedoutputpower uncertaintybelow1G U=1.28dB 8humidityuncertaintyU=5.3% 9Temperatureuncertainty U=0.59°C 10 Radiateddisturbance(30MHz- 1000MHz) U=4.8dB 11 Radiateddisturbance…

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FCCID:2A9UL-SHTRCD10V EUTTESTPHOTOS FCCID:2A9UL-SHTRCD10V ※※※※※ENDOFREPORT※※※※※