2BB34-CVR20Corner Radar

FreetechIntelligentSystemsCo.,Ltd. Date:14July2026 To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Attestation Section2.911(d)(5)(i)andSection2.911(d)(5)(ii) (KDB986446D01CoveredEquipment) Section2.911(d)(5)(i) FreetechIntelligentSystemsCo.,Ltd.(“theapplicant”)certifiesthattheequipment forwhichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceiving anequipmentauthorizationpursuanttosection2.903oftheFCCrules. Thesoftwaretobeloadedpriortomarketingoftheequipmentidentifiedbelowisnot "covered"softwaremanufacturedbyanyentityincludingpredecessors,successors, parents,subsidiaries,oraffiliatesoranyentitywhichhasrebrandedorrelabeledthe softwareproducedbytheentity(ies)identifiedonthe"CoveredList"DA24-886and KDB986446D01CoveredEquipmentGuidancesectionB(2a). FreetechIntelligentSystemsCo.,Ltd.(“theapplicant”)furthercertifiesthatno Cybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.or anyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftware isinstalledintheequipmentbeingcertified. Section2.911(d)(5)(ii) FreetechIntelligentSystemsCo.,Ltd.(“theapplicant”)certifiesthat,asofthedate ofthefilingoftheapplication,theapplicant[isnot]identifiedontheCoveredList(as aspecificallynamedentityoranyofitssubsidiariesoraffiliates)asanentity producing“covered”equipment. TypeofEquipmentsubjecttoFCCCertification:FCCID:2BB34-CVR20 Ifyouhaveanyquestions,pleasefeelfreetocontactme ContactPerson:JiayingGao PositionintheCompany:RFsystemengineer DateofSignature: ___________________________ Signatory (signatureoftheapplicant)

FreetechIntelligentSystemsCo.,Ltd. Date:July14,2026 To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheFreetechIntelligentSystemsCo.,Ltd.theundersigned,herebyauthorizesMr.WuXuewenfrom ShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfoftheFreetechIntelligentSystemsCo., Ltd.solelyinmattersrelatingtotheapplicationforanFCCequipmentauthorizationforFCCID:2BB34- CVR20includingthesigningofdocumentsinconnectionwiththisApplication.Necessaryactscarriedout byShenzhenBALUNTechnologyCo.,Ltd.inconnectionwiththeApplicationshallhavethesameeffectas actsoftheFreetechIntelligentSystemsCo.,Ltd. TheFreetechIntelligentSystemsCo.,Ltd.alsoherebycertifythatnopartytothisapplicationis subjecttoadenialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti- DrugAbuseActof1988,21U.S.C.Section862. YoursSincerely, Printname:JiayingGao Title:RFsystemengineer Signature:

FreetechIntelligentSystemsCo.,Ltd. Date:July14,2026 To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 RE: FCCID:2BB34-CVR20FCCCertification ConfidentialityRequestGentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentialitymaterial. FreetechIntelligentSystemsCo.,Ltd.requeststhatthefollowingdocumentsregardingthis submissionforFCCID:2BB34-CVR20bekeptLong-Termconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf Andbelowexhibitkeptshort-termconfidential(180days): ExhibitTypeFileName ExternalPhotosExternalPhoto.pdf InternalPhotosInternalPhoto.pdf TestSetupPhotosTestSetupPhotos.pdf UsersManualsUsersManual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelatedinformation abouttheproductwhichFreetechIntelligentSystemsCo.,Ltd.considerstobeconfidential proprietary,acustomdesignand,otherwise,notreleasabletothegeneralpublic.Sincethis designisabasisformwhichfuturetechnologicalproductswillevolve,FreetechIntelligentSystems Co.,Ltd.considersthisinformationwouldbeofbenefittoitscompetitors,andthatthe disclosureoftheinformationinthesedocumentswouldgivecompetitorsanunfairadvantage inthemarket. Thankyouforyourattentiontothismatter. PrintName:JiayingGao Title:RFsystemengineer Signature:

Report No.: Ti-AT26070108-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile-5 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub- district, Bao'an District, Shenzhen TEST REPORT Applicant: Freetech Intelligent Systems Co., Ltd. Address: 16 Xingfa Road, Tongxiang City, Jiaxing City, Zhejiang Province, China Equipment Type: Corner Radar Model Name: CVR20 Brand Name: Freetech FCC ID: 2BB34-CVR20 Test Standard: 47 CFR Part 2.1091 KDB 447498 D04 v01 Sample Arrival Date: Jul. 06, 2026 Test Date: Jul. 09, 2026 Date of Issue: Jul. 15, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Xu Rui Checked by: Zong Liyao Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: Ti-AT26070108-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile-5 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub- district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Content Rev. 01 Jul. 15, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 3 1.1 Test Laboratory ............................................................................................................ 3 1.2 Test Location ................................................................................................................ 3 2 PRODUCT INFORMATION ....................................................................................................... 4 2.1 Applicant Information .................................................................................................... 4 2.2 Manufacturer Information .............................................................................................. 4 2.3 General Description for Equipment under Test (EUT) ................................................... 4 2.4 Technical Information ................................................................................................... 4 3 SUMMARY OF TEST RESULT ................................................................................................. 5 3.1 Test Standards ............................................................................................................. 5 3.2 Limit Standards ............................................................................................................. 5 4 DEVICE CATEGORY AND LEVELS LIMITS ............................................................................. 6 5 ASSESSMENT RESULT ........................................................................................................... 7 5.1 Output Power ............................................................................................................... 7 5.2 Tune-up power ............................................................................................................. 7 5.3 RF Exposure Evaluation Result .................................................................................... 8 5.4 Collocated Power Calculation ....................................................................................... 8 5.5 Conclusion .................................................................................................................... 8 Report No.: Ti-AT26070108-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile-5 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub- district, Bao'an District, Shenzhen 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shenzhen BALUN Technology Co., Ltd. Address 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Phone Number +86 755 6685 0100 1.2 Test Location Name Shenzhen BALUN Technology Co., Ltd. Location Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen, Guangdong 1/F., Building B, Ganghongji High-Tech Intelligent Industrial Park, No.1008, Songbai Road, Yangguang Community, Xili Subdistrict, Nanshan District, Shenzhen, Guangdong Accreditation Certificate The laboratory is a testing organization accredited by FCC as a accredited testing laboratory. The designation number is CN1196. Report No.: Ti-AT26070108-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 4 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile-5 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub- district, Bao'an District, Shenzhen 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant Freetech Intelligent Systems Co., Ltd. Address 16 Xingfa Road, Tongxiang City, Jiaxing City, Zhejiang Province, China 2.2 Manufacturer Information Manufacturer Freetech Intelligent Systems Co., Ltd. Address 16 Xingfa Road, Tongxiang City, Jiaxing City, Zhejiang Province, China 2.3 General Description for Equipment under Test (EUT) EUT Name Corner Radar Model Name Under Test CVR20 Series Model Name N/A Description of Model name differentiation N/A Hardware Version 28438 2HH1A Software Version S05.02.01. 260208 Dimensions (Approx.) 91*78.4*20.4mm Weight (Approx.) 100g 2.4 Technical Information Network and Wireless connectivity FMCW The requirement for the following technical information of the EUT was tested in this report: Operating Mode FMCW Frequency Range FMCW 76 GHz – 77 GHz Antenna Type FMCW PCB microstrip antenna Exposure Category General Population/Uncontrolled Exposure Product Type Mobi…

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Report No.: Ti-AT26070108-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 42 Web: www.titcgroup.com Template No.: TRP-FCC PART 95M (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen TEST REPORT Applicant: Freetech Intelligent Systems Co., Ltd. Address: 16 Xingfa Road, Tongxiang City, Jiaxing City, Zhejiang Province, China Equipment Type: Corner Radar Model Name: CVR20 Brand Name: Freetech FCC ID: 2BB34-CVR20 Test Standard: 47 CFR Part 95 Subpart M (refer to section 3.1) Sample Arrival Date: Jul. 06, 2026 Test Date: Jul. 06, 2026 - Jul. 08, 2026 Date of Issue: Jul. 15, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Alex Zheng Checked by: Li Ganming Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: Ti-AT26070108-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 42 Web: www.titcgroup.com Template No.: TRP-FCC PART 95M (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Rev. 01 Jul. 15, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 5 3 SUMMARY OF TEST RESULTS ............................................................................................... 7 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 8 4.1 Test Environments ........................................................................................................ 8 4.2 Test Equipment List ...................................................................................................... 8 4.3 Test Software List ......................................................................................................... 9 4.4 Measurement Uncertainty ............................................................................................. 9 4.5 Description of Test Setup ........................................................................................... 10 5 Test Type and Test Results ..................................................................................................... 13 5.1 Transmitter Parameters .............................................................................................. 13 ANNEX A TEST RESULT ........................................................................................................... 19 A.1 Power density ............................................................................................................. 19 A.2 Modulation characteristics .......................................................................................... 21 A.3 Occupied bandwidth ................................................................................................... 23 A.4 Field strength of emissions (band edge) ..................................................................... 24 A.5 Field strength of emissions (radiated spurious) ........................................................... 25 A.6 Frequency stability ...................................................................................................... 37 Report No.: Ti-AT26070108-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 42 Web: www.titcgroup.com Template No.: TRP-FCC PART 95M (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen ANNEX B TEST SETUP PHOTOS ............................................................................................. 41 ANNEX C EUT EXTERNAL PHOTOS ......................................................................................... 41 ANNEX D EUT INTERNAL PHOTOS .......................................................................................... 41 Report No.: Ti-AT26070108-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 4 / 42 Web: www.titcgroup.com Template No.: TRP-FCC PART 95M (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shenzhen BALUN Technology Co., Ltd. Address 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Phone Number +86 755 6685 0100 1.2 Test Location Name Shenzhen BALUN Technology Co., Ltd. Location Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen, Guangdong 1/F., Building B, Ganghongji High-Tech Intelligent Industrial Park, No.1008, Songbai Road, Yangguang Community, Xili Subdistrict, Nanshan District, Shenzhen,…

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CVR20_Antenna Specification Antennaazimuthpattern Antennaelevationpattern Antennasize Antenna3DRadiationPattern Antennamanufacturer：ChinaCircuitsTechnology(Shantou)Corporation(CCTC) Antennagain:~12.5dBi(Maximum) Antennatype:PCBmicrostripantenna Antennasize:48mm×15mm Singleantennasize:2.6mm×15mm Manufactureraddress：16XingfaRoad,TongxiangCityJiaxingCity,ZhejiangProvince,China