2AQJJFD310Video walkie-talkie

FCC Caution. 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. *RF warning for Portable device: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

ShenzhenJizhidaTechnologyCo.,Ltd CoveredEquipmentCertificationAttestationLetter 8/5/2026 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa K1V1H2 Canada ATTN.:ReviewingEngineer FCCID:2AQJJFD310 ShenzhenJizhidaTechnologyCo.,Ltd(“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. ShenzhenJizhidaTechnologyCo.,Ltd(“theapplicant”)certifiesthat,asofthedateof thefilingoftheapplication,theapplicantisnotidentifiedontheCoveredListasanentity producing“covered”equipment. ShenzhenJizhidaTechnologyCo.,Ltd(“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtdoesnotincludecybersecurityoranti-virussoftware producedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees, includingequipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsand assignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:JackyCheung Title:R&DManager CompanyName:ShenzhenJizhidaTechnologyCo.,Ltd Date:8/5/2026

ShenzhenJizhidaTechnologyCo.,Ltd 8/5/2026 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 REQUESTFORCONFIDENTIALITY-FCC FCCID:2AQJJFD310 PursuanttoSections0.457(d)(1)(ii)and0.459oftheCommission’sRulesandFCCGuidance document726920,weherebyrequestconfidentialtreatmentofinformationaccompanyingthis applicationasoutlinedbelow: PERMANENTLONG-TERMCONFIDENTIALITY: Schematics BlockDiagrams TheoryofOperation Theaboveinformationcontainstradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthisinformationmightbeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors.TheApplicantunderstandsthatpursuanttoRule0.457(d)(1)(ii), disclosureofthisApplicationandallaccompanyingmaterialswillnotbemadebeforethedateofthe GrantforthisApplication. Sincerely, Signed: Printedname:JackyCheung Title:R&DManager

FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310

LabelandLabelLocation

FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310 FCCID:2AQJJFD310

Page1of2 RFEXPOSUREEVALUATION FCCID:2AQJJFD310 ProductName: Videowalkie-talkie ModelName: FD310 Operatingfrequency:2402-2480MHz NumbersofChannel:40channelsForDTS AntennaType: coppertubeantenna AntennaGain: 3.03dBi TypeofModulation:GFSK,ForDTS Powersupply: Input:DC5V Battery:DC3.7V,1000mAh3.7Wh HardwareVersion:N/A SoftwareVersion:N/A Page2of2 StandardRequirement Accordingto§15.247(i)and§1.1307b(1),systemsoperatingundertheprovisionsofthis sectionshallbeoperatedinamannerthatensuresthatthepublicisnotexposedtoradio frequencyenergylevelsinexcessoftheCommission’sguidelines.SeeKDB447498D01 GeneralRFExposureGuidancev06,section4.3.1. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]*[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gSARextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison. Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤ 50mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,usingmeasurements orcomputersimulation.WhenroutineSARevaluationisnotrequired,portabletransmitters withoutputpowergreaterthantheapplicablelowthresholdrequireSARevaluationtoquality forTCBapproval. Channel (MHz) EIRPoutput power (dBm) Distance(mm) Calculation results LimitOperatingMode 24029.65 52.8596743BLE_2M AccordingtoKDB447498,ThedeviceonlysupportBTfunction,andnosimultaneousSAR measurementisrequired. Signature SimonPu Manager Date:2026-07-31

1 深圳市飞敏科技有限公司 ShenZhen City FeiMin Technology CO.,LTD. 产品承认书 SPECIFICATION FOR APPROVED 客户 CUSTOMER: 深圳华联讯电子有限公司 产品名称 PRODUCTS: 铜管天线 客户料号 PART NO: 产品型号 Spec.: FM-2199-20A-2012-2.4G铜管 日期 Data: 2026.1.13 备注：承认盖章后请回复一份承认书（或复印件）给我司，其余由贵公司存档 REMARK:Please send us one(or copy)of this approval with stamp after accepting,other copies filed by the customer. 地址：深圳市宝安区西乡街道固兴社区盛辉路 4 号科运达电商基地 8 楼 801室 ADD: Room 801, 8th Floor, Keyunda E-commerce Base, No. 4 Shenghui Road, Guxing Community, Xixiang Subdistrict, Baoan District, Shenzhen. 电话Tel: 0755-23035723 传真Fax: 0755-23036702 邮箱E-mail: [email protected] 网址HTTP:www.fmant.cn 客户 CUSTOMER 承认 ACCEPTED BY 审核 CHECKED BY 批准 APPROVED BY 供应商 SUPPLIER 拟制 PREPARED BY 审核 CHECKED BY 批准 APPROVED BY ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 2 目录 产品承认书 ..................................................................................................................... 1 1. 项目信息Project Information .................................................................................. 4 1.1. 外观尺寸Appearance and Dimensions .......................................................... 4 2. 电气性能 Electrical Characteristics ......................................................................... 5 2.1. 测试环境条件Test Environment Conditions ................................................. 5 2.2. 测示方法Measurement method ..................................................................... 5 2.2.1. 天线电压驻波比. Antenna VSWR。 ........................................................ 5 2.2.2.天线回波损耗Antenna Return loss.................................................... 6 2.3.天线无源测试数据 Antenna passive test data .................................. 6 2.3.1测试系统Test system ................................................................................. 6 2.3.2天线效率及增益Antenna efficiency and gain .............................. 7 2.3.3.天线辐射方向图Antenna Radiation Pattern ....................................... 7 3. 备注Notes.................................................................................................................. 8 4. 产品包装规范Product packaging specification ....................................................... 8 ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 4 1. 项目信息Project Information 1.1. 外观尺寸Appearance and Dimensions ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 5 2. 电气性能 Electrical Characteristics 2.1. 测试环境条件Test Environment Conditions 物理性质physical features 温度Temperature Ordinary Temperature (5 to 35°C) 湿度Humidity Ordinary Humidity (25 to 85% RH) 2.2. 测示方法Measurement method 2.2.1. 天线电压驻波比. Antenna VSWR。 ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 6 2.2.2.天线回波损耗Antenna Return loss 2.3.天线无源测试数据 Antenna passive test data 2.3.1测试系统Test system 深圳市飞敏科技有限公司（24探头OTA 微波暗室 ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 7 2.3.2天线效率及增益Antenna efficiency and gain Freq(MHz) Efficiency (％) Gain(dBi) 2400 77.62 3.03 2410 71.12 2.66 2420 67.92 2.62 2430 71.45 2.87 2440 72.95 2.88 2450 63.68 2.42 2460 66.68 2.71 2470 66.07 2.84 2480 61.66 2.44 2490 63.53 2.39 2500 68.39 2.70 2.3.3.天线辐射方向图Antenna Radiation Pattern

Page1of81 FCCTESTREPORT FCCID:2AQJJFD310 Product: Videowalkie-talkie ModelName: FD310 Brand: FOREDOM ReportNo.: PTC26052211401E-FC01 Preparedfor ShenzhenJizhidaTechnologyco.,ltd 1902E,BLDG.C6,HENGFENGIND.CITY,NO.739,ZHOUSHIRD.,HEZHOU COMMUNITY,BAOANDIST,SHENZHEN,CHINA Preparedby PreciseTesting&CertificationCo.,Ltd Building1,No.6,TongxinRoad,DongchengStreet,Dongguan,Guangdong,China ReportNo.:PTC26052211401E-FC01 Page2of81 1TESTRESULTCERTIFICATION Applicant’sname:ShenzhenJizhidaTechnologyco.,ltd Address: 1902E,BLDG.C6,HENGFENGIND.CITY,NO.739,ZHOUSHI RD.,HEZHOUCOMMUNITY,BAOANDIST,SHENZHEN,CHINA Manufacture'sname:ShenzhenJizhidaTechnologyco.,ltd Address: 1902E,BLDG.C6,HENGFENGIND.CITY,NO.739,ZHOUSHI RD.,HEZHOUCOMMUNITY,BAOANDIST,SHENZHEN,CHINA Productname:Videowalkie-talkie Modelname:FD310 Standards:FCCCFR47Part15Section15.247 Testprocedure:ANSIC63.10-2020 TestDate:Jun.12,2026toJul.24,2026 DateofIssue:Jul.31,2026 TestResult:Pass ThisdevicedescribedabovehasbeentestedbyPTC,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlyto thetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofPTC,thisdocument maybealteredorrevisedbyPTC,personalonly,andshallbenotedintherevisionofthedocument. TestEngineer: Jackzhou/Engineer TechnicalManager: SimonPu/Manager ReportNo.:PTC26052211401E-FC01 Page3of81 Contents Page 1TESTRESULTCERTIFICATION...............................................................................................................................2 2TESTSUMMARY..........................................................................................................................................................5 2.1TESTSITE............................................................................................................................................................6 3GENERALINFORMATION.......................................................................................................................................7 3.1GENERALDESCRIPTIONOFE.U.T.....................................................................................................................7 3.2CHANNELLIST.....................................................................................................................................................8 4EQUIPMENTDURINGTEST....................................................................................................................................9 4.1EQUIPMENTSLIST.............................................................................................................................................9 4.2MEASUREMENTUNCERTAINTY.........................................................................................................................11 4.3DESCRIPTIONOFSUPPORTUNITS...................................................................................................................12 5CONDUCTEDEMISSION..........................................................................................................................................13 5.1E.U.T.OPERATION............................................................................................................................................13 5.2EUTSETUP.......................................................................................................................................................13 5.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION).................................................................................14 5.4MEASUREMENTPROCEDURE............................................................................................................................14 5.5CONDUCTEDEMISSIONLIMIT...........................................................................................................................14 5.6MEASUREMENTDESCRIPTION..........................................................................................................................14 5.7CONDUCTEDEMISSIONTESTRESULT.............................................................................................................14 6RADIATEDSPURIOUSEMISSIONS......................................................................................................................17 6.1EUTOPERATION...............................................................................................................................................17 6.2TESTSETUP......................................................................................................................................................18 6.3SPECTRUMANALYZERSETUP..........................................................................................................................19 6.4TESTPROCEDURE.............................................................................................................................................20 6.5SUMMARYOFTESTRESULTS...........................................................................................................................22 7CONDUCTBANDEDGEANDSPURIOUSEMISSIONSMEASUREMENT....................................................30 7.1TESTPROCEDURE.............................................................................................................................................30 7.2TESTSETUP......................................................................................................................................................31 7.3TESTRESULT....................................................................................................................................................32 86DBBANDWIDTHMEASUREMENT......................................................................................................................45 ReportNo.:PTC26052211401E-FC01 Page4of81 TESTPROCEDURE....................................................................................…

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ReportNo.:PTC26052211401E-FC01 Page46of81 TestGraphs: BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS ReportNo.:PTC26052211401E-FC01 Page47of81 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2440-PASS ReportNo.:PTC26052211401E-FC01 Page48of81 BLE_2M-Ant1-2480-PASS ReportNo.:PTC26052211401E-FC01 Page49of81 9MaximumPeakOutputPower TestRequirement:FCCCFR47Part15Section15.247 TestMethod:ANSIC63.10-2020 TestLimit: Regulation15.247(b)(3),Forsystemsusingdigitalmodulationinthe 902-928MHz,2400-2483.5MHz,and5725-5850MHzbands:1Watt.As analternativetoapeakpowermeasurement,compliancewiththeone Wattlimitcanbebasedonameasurementofthemaximumconducted outputpower. 9.1TestProcedure 1.TheRFoutputofEUTwasconnectedtothespectrumanalyzerbyRFcableandattenuator.The pathlosswascompensatedtotheresultsforeachmeasurement. 2.SettothemaximumpowersettingandenabletheEUTtransmitcontinuously. 3.Measuretheconductedoutputpowerandrecordtheresultsinthetestreport. 4.Thesignalanalyzerresolutionbandwidthwassetto2MHzandvideobandwidthof10MHz,Apeak detectorwasused,sweeptimewassettoautoandtracemodewasMaxHold.Thespanwassetto 10MHz.Amarkerwasplacedatthepeakofthesignalandtheresultsrecordedinthetablesbelow. 9.2TestSetup 9.3TestResult TestModeAntennaFrequency[MHz] Conducted Peak Power[dBm] Conducted Limit[dBm] EIRP[dBm] EIRP Limit[dBm] Verdict BLE_1MAnt124026.37≤309.40≤36PASS BLE_1MAnt124406.06≤309.09≤36PASS BLE_1MAnt124806.29≤309.32≤36PASS BLE_2MAnt124026.62≤309.65≤36PASS BLE_2MAnt124406.32≤309.35≤36PASS BLE_2MAnt124806.29≤309.32≤36PASS ReportNo.:PTC26052211401E-FC01 Page50of81 TestGraphs: BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS ReportNo.:PTC26052211401E-FC01 Page51of81 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2440-PASS ReportNo.:PTC26052211401E-FC01 Page52of81 BLE_2M-Ant1-2480-PASS ReportNo.:PTC26052211401E-FC01 Page53of81 10PowerSpectraldensity TestRequirement:FCCCFR47Part15Section15.247 TestMethod:ANSIC63.10-2020 TestLimit:Regulation15.247(f)Thepowerspectraldensityconductedfromthe intentionalradiatortotheantennaduetothedigitalmodulation operationofthehybridsystem,withthefrequencyhoppingoperation turnedoff,shallnotbegreaterthan8dBminany3kHzbandduring anytimeintervalofcontinuoustransmission. 10.1TestProcedure 1.RemovetheantennafromtheEUTandthenconnectalowRFcablefromtheantennaporttothe spectrum. 2.Setthespectrumanalyzer:RBW=3kHz.VBW=10kHz,Span=1.5timestheDTSchannelbandwidth(6 dBbandwidth).Sweep=auto;DetectorFunction=Peak.Trace=Maxhold. 3.Allowthetracetostabilize.Usethemarker-deltafunctiontodeterminetheseparationbetweenthepeaksof theadjacentchannels.ThelimitisspecifiedinoneofthesubparagraphsofthisSectionSubmitthisplot. 10.2TestSetup 10.3TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-4.15≤8.00PASS BLE_1MAnt12440-2.7≤8.00PASS BLE_1MAnt12480-4.68≤8.00PASS BLE_2MAnt12402-6.05≤8.00PASS BLE_2MAnt12440-4.7≤8.00PASS BLE_2MAnt12480-6.53≤8.00PASS ReportNo.:PTC26052211401E-FC01 Page54of81 TestGraphs: BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS ReportNo.:PTC26052211401E-FC01 Page55of81 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2440-PASS ReportNo.:PTC26052211401E-FC01 Page56of81 BLE_2M-Ant1-2480-PASS ReportNo.:PTC26052211401E-FC01 Page57of81 11AntennaApplication 11.1AntennaRequirement Forintentionaldevice,accordingtoFCC47CFRSection15.203,anintentional radiatorshallbedesignedtoensurethatnoantennaotherthanthatfurnishedbythe responsiblepartyshallbeusedwiththedevice.AndaccordingtoFCC47CFRSection 15.247(b),iftransmittingantennasofdirectionalgaingreaterthan6dBiareused,the powershallbereducedbytheamountindBthatthedirectionalgainoftheantenna exceeds6dBi. 11.2Result TheEUT’Santenna,permanentattachedantenna,isinternalcoppertubeantenna. Theantenna’sgainis3.03dBiandmeetstherequirement. ReportNo.:PTC26052211401E-FC01 Page58of81 12TestSetup ConductedEmissions RadiatedSpuriousEmissions TestFrequencyFrom30MHzto1GHz ReportNo.:PTC26052211401E-FC01 Page59of81 TestfrequencyfromAbove1GHz ReportNo.:PTC26052211401E-FC01 Page60of81 13EUTPhotos ReportNo.:PTC26052211401E-FC01 Page61of81 ReportNo.:PTC26052211401E-FC01 Page62of81 ReportNo.:PTC26052211401E-FC01 Page63of81 ReportNo.:PTC26052211401E-FC01 Page64of81 ReportNo.:PTC26052211401E-FC01 Page65of81 ReportNo.:PTC26052211401E-FC01 Page66of81 ReportNo.:PTC26052211401E-FC01 Page67of81 ReportNo.:PTC26052211401E-FC01 Page68of81 ReportNo.:PTC26052211401E-FC01 Page69of81 ReportNo.:PTC26052211401E-FC01 Page70of81 ReportNo.:PTC26052211401E-FC01 Page71of81 ReportNo.:PTC26052211401E-FC01 Page72of81 ReportNo.:PTC26052211401E-FC01 Page73of81 ReportNo.:PTC26052211401E-FC01 Page74of81 ReportNo.:PTC26052211401E-FC01 Page75of81 ReportNo.:PTC26052211401E-FC01 Page76of81 ReportNo.:PTC26052211401E-FC01 Page77of81 ReportNo.:PTC26052211401E-FC01 Page78of81 ReportNo.:PTC26052211401E-FC01 Page79of81 ReportNo.:PTC26052211401E-FC01 Page80of81 ReportNo.:PTC26052211401E-FC01 Page81of81 ******THEENDREPORT******

FCCID:2AQJJFD310 ConductedEmissions RadiatedSpuriousEmissions From30MHz-1000MHz FCCID:2AQJJFD310 TestfrequencyfromAbove1GHz