2AHFT380Smart Watch

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ShenzhenDOIntelligentTechnologyCo.,Ltd.Date:2021-3-01 TO:FederalCommunicationCommission EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MID21046 Regarding:FCCID:2AHFT380 Towhomitmayconcern: We,theundersigned,herebyauthorizeSGS-CSTCStandardsTechnicalServicesCo.,Ltd.(SGS) ShenzhenBranchandKenyXuinSGS-CSTCStandardsTechnicalServicesCo.,Ltd.(SGS)Shenzhen Branchtoactonourbehalfinallmannersrelatingtoapplicationforequipmentauthorizationwithrespect totheFCCIDabove,includingsigningofalldocumentsrelatingtothesematters.Anyandallactscarried outbytheagentonourbehalfshallhavethesameeffectasactsofourown. We,theundersigned,herebycertifythatwearenotsubjecttoadenialoffederalbenefits,thatincludes FCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21U.S.C.853(a). Whereouragentsignstheapplicationforcertificationonourbehalf,Iacknowledgethatallresponsibility forcomplyingwiththetermsandconditionsforCertification,asspecifiedbySGSNorthAmerica,Inc.,still resideswithShenzhenDOIntelligentTechnologyCo.,Ltd.. Thisauthorizationisvaliduntilfurtherwrittennoticefromtheapplicant. PrintName:WuDajunTitle:Generalmanager Signature: OnbehalfofCompany:ShenzhenDOIntelligentTechnologyCo.,Ltd. Telephone:4006-123-55 E-mail:[email protected]

Date:2021-3-01 To: FederalCommunicationsCommission OfficeofEngineeringandTechnologyLaboratoryDivision 7435OaklandMillsRd. ColumbiaMD21046 From:ShenzhenDOIntelligentTechnologyCo.,Ltd. Regarding:ConfidentialityRequestregardingapplicationforFCCID:2AHFT380 LONGTERMCONFIDENTIALITY Pursuantto47CFRSection0.459and0.457ofthecommission’srules,theapplicantherebyrequestsconfidential treatmentofthedocumentslistedbelow,associatedwiththecertificationapplicationreferencedabove. Schematic(s) BlockDiagrams OperationalDescriptions Thedocumentsabovecontainproprietaryinformationnotreleasedtothepublic.Publicdisclosureofthisinformationmay proveharmfultothebusinessoftheapplicant. PrintName:WuDajunTitle:Generalmanager Signature: OnbehalfofCompany:ShenzhenDOIntelligentTechnologyCo.,Ltd. Telephone:4006-123-55 E-mail:[email protected]

Applicant Declaration Applicant Declaration Rev:0.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Shenzhen DO Intelligent Technology Co., Ltd. Address 11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District, Shenzhen China Grantee Code 2AHFT FCC ID 2AHFT380 Authorized Contact Name Wu Dajun Contact Email [email protected] Contact Phone 4006-123-55 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicantshallmake provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicantshall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs:https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs:https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100:https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Applicant Signature: Date:2021-3-01 Print Name: Wu Dajun Title: General manager ApplicantDeclaration ApplicantDeclaration Rev:0.0 SGSNorthAmericaInc. 620OldPeachtreeRoad SUITE100 Suwanee,Georgia30024 UnitedStates *NOTE:ThisdeclarationcannotbesignedbyanAgent,itshallbesignedbyanauthorizedpersonlistedintheFCCdatabase

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 1 of 8 External Photos for SZEM2102002036CR FCC ID: 2AHFT380 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 2 of 8 1 EUT Constructional Details SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 3 of 8 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 4 of 8 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 5 of 8 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 6 of 8 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 7 of 8 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 8 of 8

GT01-A 3mm FCC ID:2AHFT380

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 1 of 6 Internal Photos for SZEM2102002036CR FCC ID: 2AHFT380 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 2 of 6 1 EUT Constructional Details SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 3 of 6 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 4 of 6 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 5 of 6 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 6 of 6 Antenna

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM210200203603 Page: 1 of 6 Keny Xu EMC Laboratory Manager 1 Cover page SAR Evaluation Report Application No.: SZEM2102002036CR Applicant: Shenzhen DO Intelligent Technology Co., Ltd. Address of Applicant: 11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District, Shenzhen, China Manufacturer: Shenzhen DO Intelligent Technology Co., Ltd. Address of Manufacturer: 11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District, Shenzhen, China Factory: Shenzhen DO Intelligent Technology Co., Ltd. Address of Factory: 11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District, Shenzhen, China Equipment Under Test (EUT): EUT Name: Smart Watch Model No.: GT01-A Trade Mark: IDO FCC ID: 2AHFT380 Standards: 47 CFR Part 1.1307 47 CFR Part 2.1093 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: 2021-02-24 Date of Test: 2021-03-02 to 2021-03-09 Date of Issue: 2021-03-11 Test Result : Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM210200203603 Page: 2 of 6 2 Version Revision Record Version Chapter Date Modifier Remark 01 2021-03-11 Original Authorized for issue by: Bill Chen/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM210200203603 Page: 3 of 6 3 Contents Page 1 COVER PAGE ........................................................................................................................................ 1 2 VERSION ................................................................................................................................................ 2 3 CONTENTS ............................................................................................................................................ 3 4 GENERAL INFORMATION ..................................................................................................................... 4 4.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 4 4.2 TEST LOCATION ................................................................................................................................ 5 4.3 TEST FACILITY .................................................................................................................................. 5 4.4 DEVIATION FROM STANDARDS ............................................................................................................ 5 4.5 ABNORMALITIES FROM STANDARD CONDITIONS .................................................................................... 5 4.6 OTHER INFORMATION REQUESTED BY THE CUSTOMER .......................................................................... 5 5 SAR EVALUATION ................................................................................................................................. 6 5.1 RF EXPOSURE COMPLIANCE REQUIREMENT ........................................................................................ 6 5.1.1 Standard Requirement ................................................................................................................ 6 5.1.2 Limits .......................................................................................................................................... 6 5.1.3 EUT RF Exposure ....................................................................................................................... 6 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM210200203603 Page: 4 of 6 4 General Information 4.1 General Description of EUT Power supply: Rechargeable battery DC 3.8V 300mAh(Charging by USB) Cable(s): USB cable:62cm unshielded Operation Frequency: 2402MHz to 2480MHz Bluetooth Version: V5.0 LE Modulation Type: GFSK Sample Type: Portable production Number of Channels: 40 Channel Spacing: 2MHz Data rate: 1M/bits Antenna Type: Monopole Antenna Gain: -1.93dBi SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM210200203603 Page: 5 of 6 4.2 Test Location All tests were performed at: SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch No. 1 Workshop, M-10, Middle section, Science & Technology Park, Shenzhen, Guangdong, China 518057 Telephone: +86 (0) 755 2601 2053 Fax: +86 (0) 755 2671 0594 No tests were sub-contracted. 4.3 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • A2LA (Certificate No. 3816.01) SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory is accredited by the American Association for Laboratory Accreditation(A2LA). Certificate No. 3816.01. • VCCI The 3m Fully-anechoic chamber for above 1GHz, 10m Semi-anechoic chamber for below 1GHz, Shielded Room for Mains Port Conducted Interference Measurement and Telecommunication Port Conducted Interference Measurement of SGS-CSTC Standards Technical Services Co., Ltd. have been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: G-20026, R-14188, C-12383 and T-11153 respectively. • FCC –Designation Number: CN1178 SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory has been recognized as an accredited testing laboratory. Designation Number: CN1178. Test Firm Registration Number: 406779. • Innovation, Science and Economic Development Canada SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory has been recognized by ISED as an accredited testing laboratory. CAB identifier: CN0006. IC#: 4620C. 4.4 Deviation from Standards None. 4.5 Abnormalities from Standard Conditions None. 4.6 Other Information Requested by the Customer None. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM21020…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM210200203602 Page: 1 of 50 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZEM2102002036CR Applicant: Shenzhen DO Intelligent Technology Co., Ltd. Address of Applicant: 11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District, Shenzhen, China Manufacturer: Shenzhen DO Intelligent Technology Co., Ltd. Address of Manufacturer: 11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District, Shenzhen, China Factory: Shenzhen DO Intelligent Technology Co., Ltd. Address of Factory: 11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District, Shenzhen, China Equipment Under Test (EUT): EUT Name: Smart Watch Model No.: GT01-A Trade Mark: IDO FCC ID: 2AHFT380 Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2021-02-24 Date of Test: 2021-03-02 to 2021-03-09 Date of Issue: 2021-03-11 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM210200203602 Page: 2 of 50 Revision Record Version Chapter Date Modifier Remark 01 2021-03-11 Original Authorized for issue by: Bill Chen/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM210200203602 Page: 3 of 50 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Peak Output Power 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectrum Density 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.10.2 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.13.3.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Radiated Emissions which fall in the restricted bands 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 6.4,6.5,6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZEM210200203602 Page: 4 of 50 3 Contents Page 1 COVER PAGE ..................................................................................................................................... 1 2 TEST SUMMARY ................................................................................................................................. 3 3 CONTENTS ......................................................................................................................................... 4 4 GENERAL INFORMATION .................................................................................................................. 6 4.1 DETAILS OF E.U.T. ......................................................................................................................... 6 4.2 DESCRIPTION OF SUPPORT UNITS .................................................................................................... 7 4.3 MEASUREMENT UNCERTAINTY ......................................................................................................... 7 4.4 TEST LOCATION ............................................................................................................................. 8 4.5 TEST FACILITY ............................................................................................................................... 8 4.6 DEVIATION FROM STANDARDS ......................................................................................................... 8 4.7 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................. 8 5 EQUIPMENT LIST ............................................................................................................................... 9 6 RADIO SPECTRUM TECHNICAL REQUIREMENT ............................................................................11 6.1 ANTENNA REQUIREMENT ................................................................................................................11 6.1.1 Test Requirement: ..................................................................................................................11 7 RADIO SPECTRUM MATTER TEST RESULTS .................................................................................12 7.1 CONDUCTED PEAK OUTPUT POWER ................................................................................................12 7.1.1 E.U.T. Operation .....................................................................................................................12 7.1.2 Test Mode Description ............................................................................................................12 7.1.3 Test Setup Diagram ................................................................................................................13 7.1.4 Measurement Procedure and Data .........................................................................................13 7.2 MINIMUM 6DB BANDWIDTH .............................................................................................................14 7.2.1 E.U.T. Operation .....................................................................................................................14 7.2.2 …

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 1 of 2 Setup Photos for SZEM2102002036CR FCC ID: 2AHFT380 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 2 of 2 1 Photographs Radiated Spurious Emissions Below 1GHz Above 1GHz