2AIHFZYEX1F06AI Tracker for SMOOTH Smartphone Stabilizer

Date:2July2024 GuilinZhishenInformationTechnologyCo.,Ltd. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheGuilinZhishenInformationTechnologyCo.,Ltd.,theundersigned,herebyauthorizesMr. WuXuewenfromShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfoftheGuilin ZhishenInformationTechnologyCo.,Ltd.solelyinmattersrelatingtotheapplicationforanFCC equipmentauthorizationforFCCID:2AIHFZYEX1F06includingthesigningofdocumentsin connectionwiththisApplication.NecessaryactscarriedoutbyShenzhenBALUNTechnology Co.,Ltd.inconnectionwiththeApplicationshallhavethesameeffectasactsoftheGuilin ZhishenInformationTechnologyCo.,Ltd.. TheGuilinZhishenInformationTechnologyCo.,Ltd.alsoherebycertifythatnopartytothis applicationissubjecttoadenialofbenefits,includingFCCbenefits,pursuanttoSection5301of theAnti-DrugAbuseActof1988,21U.S.C.Section862. YoursSincerely, YilunLiao

Date:2July2024 GuilinZhishenInformationTechnologyCo.,Ltd. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 Re:GuilinZhishenInformationTechnologyCo.,Ltd. FCCID:2AIHFZYEX1F06 FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentiality material.GuilinZhishenInformationTechnologyCo.,Ltd.requeststhatthe followingdocumentsregardingthissubmissionforFCCID:2AIHFZYEX1F06be keptconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf Andbelowexhibitkeptshort-termconfidential(180days): ExternalphotosExternalphotos.pdf Testsetupphotostestphoto.pdf InternalphotosInternalphotos.pdf UsermanualUsermanual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelated informationabouttheproductwhichGuilinZhishenInformationTechnologyCo., Ltd.considerstobeconfidentialproprietary,acustomdesignand,otherwise,not releasabletothegeneralpublic.Sincethisdesignisabasisformwhichfuture technologicalproductswillevolve,GuilinZhishenInformationTechnologyCo.,Ltd. considersthisinformationwouldbeofbenefittoitscompetitors,andthatthe disclosureoftheinformationinthesedocumentswouldgivecompetitorsanunfair advantageinthemarket. YoursSincerely, YilunLiao

Report No.: BL-SZ2450310-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Address: Equipment Type: Model Name: Brand Name: FCC ID: Test Standard: Sample Arrival Date: Test Date: Date of Issue: Guilin Zhishen Information Technology Co., Ltd. 09 Huangtong Road, Tieshan Industrial Zone, Qixing District, Guilin, Guangxi, China. AI Tracker for SMOOTH Smartphone Stabilizer EX1F06 ZHIYUN 2AIHFZYEX1F06 47 CFR Part 2.1091 KDB 447498 D04 v01 Apr. 23, 2024 Apr. 28, 2024 - Jun. 05, 2024 J ul. 03, 2024 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Xiong Lining Checked by: Xu Rui Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ2450310-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Content Rev. 01 Jul. 03, 2024 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 4 DEVICE CATEGORY AND LEVELS LIMITS .............................................................................. 6 5 ASSESSMENT RESULT ............................................................................................................. 8 5.1 Output Power ................................................................................................................. 8 5.2 Tune-up power ............................................................................................................... 8 5.3 RF Exposure Evaluation Result ..................................................................................... 8 5.4 Conclusion ...................................................................................................................... 8 Report No.: BL-SZ2450310-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shenzhen BALUN Technology Co., Ltd. Address Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Phone Number +86 755 6685 0100 1.2 Test Location Name Shenzhen BALUN Technology Co., Ltd. Location Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1/F, Building B, Ganghongji High-tech Intelligent Industrial Park, No. 1008, Songbai Road, Yangguang Community, Xili Sub-district, Nanshan District, Shenzhen, Guangdong Province, P. R. China Accreditation Certificate The laboratory is a testing organization accredited by FCC as a accredited testing laboratory. The designation number is CN1196. Report No.: BL-SZ2450310-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 4 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant Guilin Zhishen Information Technology Co., Ltd. Address 09 Huangtong Road, Tieshan Industrial Zone, Qixing District, Guilin, Guangxi, China. 2.2 Manufacturer Information Manufacturer Guilin Zhishen Information Technology Co., Ltd. Address 09 Huangtong Road, Tieshan Industrial Zone, Qixing District, Guilin, Guangxi, China. 2.3 General Description for Equipment under Test (EUT) EUT Name AI Tracker for SMOOTH Smartphone Stabilizer Model Name Under Test EX1F06 Series Model Name N/A Description of Model name differentiation N/A Hardware Version N/A Software Version N/A Dimensions (Approx.) N/A Weight (Approx.) N/A 2.4 Technical Information Network and Wireless connectivity Bluetooth (BLE) The requirement for the following technical information of the EUT was tested in this report: Operating Mode Bluetooth Frequency Range Bluetooth 2400 ~ 2483.5 MHz Antenna Type Bluetooth FPC Antenna Exposure Category General Population/Uncontrolled Exposure Product Type Mobile Device Report No.: BL-SZ2450310-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 5 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen…

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Report No.: BL-SZ2450310-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 70 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Address: Equipment Type: Model Name: Brand Name: FCC ID: Test Standard: Sample Arrival Date: Test Date: Date of Issue: Guilin Zhishen Information Technology Co., Ltd. 09 Huangtong Road, Tieshan Industrial Zone, Qixing District, Guilin, Guangxi, China. AI Tracker for SMOOTH Smartphone Stabilizer EX1F06 ZHIYUN 2AIHFZYEX1F06 47 CFR Part 15 Subpart C (refer to section 3.1) Apr. 23, 2024 Apr. 28, 2024 - Jun. 05, 2024 J ul. 03, 2024 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Si Xiao Checked by: Ye Hongji Approved by: Liao Jianming (Technical Director) _______________ _______________ _______________ Report No.: BL-SZ2450310-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 70 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Rev. 01 Jul. 03, 2024 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 ..................................................................................................... 6 3 SUMMARY OF TEST RESULTS ................................................................................................. 8 3.1 Test Standards ............................................................................................................... 8 3.2 Test Verdict .................................................................................................................... 8 4 GENERAL TEST CONFIGURATIONS ........................................................................................ 9 4.1 Test Environments ......................................................................................................... 9 4.2 Test Equipment List ........................................................................................................ 9 4.3 Test Software List ........................................................................................................... 9 4.4 Measurement Uncertainty ............................................................................................ 10 4.5 Description of Test Setup ............................................................................................. 10 4.6 Measurement Results Explanation Example ................................................................ 13 5 TEST ITEMS .............................................................................................................................. 14 5.1 Antenna Requirements ................................................................................................. 14 5.2 Output Power ............................................................................................................... 15 5.3 Occupied Bandwidth .................................................................................................... 17 5.4 Conducted Spurious Emission ..................................................................................... 18 5.5 Band Edge (Authorized-band band-edge) .................................................................... 20 Report No.: BL-SZ2450310-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 70 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 5.6 Conducted Emission .................................................................................................... 22 5.7 Radiated Spurious Emission ........................................................................................ 23 5.8 Band Edge (Restricted-band band-edge) ..................................................................... 28 5.9 Power Spectral density (PSD) ...................................................................................... 29 ANNEX A TEST RESULT ............................................................................................................. 30 A.1Output Power, Duty Cycle ............................................................................................ 30 A.2Occupied Bandwidth .................................................................................................... 34 A.3Conducted Spurious Emissions ................................................................................... 38 A.4Band Edge (Authorized-band band-edge) .................................................................... 43 A.5Conducted Emissions ................................................................................................... 46 A.6Radiated Spurious Emission .....................................................................…

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