2BOY2-WO2Smartphone

Shenzhen Yishunxing Technology Co., Ltd 4 /F, Building A2, Tangwei Fuyuan Industrial Zone, Tangwei Community.Fuyong Street, Xixiang, Bao an District, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2025-12-23 U.S. Agent Designation Shenzhen Yishunxing Technology Co., Ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2BOY2-WO2): Name and company of U.S. agent: GLOCERTS TECHNOLOGY INC Physical U.S. address of agent: 19784 SUNKISSED RIDGE DR, RIVERSIDE, CA 92507 FRN of U.S. agent: 0036339737 GLOCERTS TECHNOLOGY INC acknowledges their obligation to accept service of process on behalf of Shenzhen Yishunxing Technology Co., Ltd Shenzhen Yishunxing Technology Co., Ltd with the FRN 0036959013 accepts its obligation to maintain an agent for service of process in the United States for no less than 1 year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Sincerely, Signature Signature Peng seng Huiying Fan Project Manager Te l : 18027650336 Email: [email protected] Director Tel: (626) 588-8039 Email: [email protected] Shenzhen Yishunxing Technology Co., Ltd GLOCERTS TECHNOLOGY INC

Shenzhen Yishunxing Technology Co., Ltd 4/F, Building A2, Tangwei Fuyuan Industrial Zone, Tangwei Community Fuyong Street, Xixiang, Bao an District, Shenzhen, China 12-03-2025 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID: 2BOY2-WO2 [Shenzhen Yishunxing Technology Co., Ltd] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, Name: Peng seng Company Name : Shenzhen Yishunxing Technology Co., Ltd Address: 4/F, Building A2, Tangwei Fuyuan Industrial Zone, Tangwei Community Fuyong Street, Xixiang, Bao an District, Shenzhen, China Tel / Fax: +8618027650336 E-Mail: [email protected] Shenzhen Yishunxing Technology Co., Ltd 4/F, Building A2, Tangwei Fuyuan Industrial Zone, Tangwei Community Fuyong Street, Xixiang, Bao an District, Shenzhen, China 12-03-2025 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCC ID: 2BOY2-WO2 [Shenzhen Yishunxing Technology Co., Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Name: Peng seng Company Name : Shenzhen Yishunxing Technology Co., Ltd Address: 4/F, Building A2, Tangwei Fuyuan Industrial Zone, Tangwei Community Fuyong Street, Xixiang, Bao an District, Shenzhen, China Tel / Fax: +8618027650336 E-Mail: [email protected]

Shenzhen Yishunxing Technology Co., Ltd 4/F, Building A2, Tangwei Fuyuan Industrial Zone, Tangwei Community Fuyong Street, Xixiang, Bao an District, Shenzhen, China Statement Product: Smartphone Model: WO2 Additional Model: S25 Ultra, S26 Ultra, S27 Ultra, I17 Pro Max, I17 Pro, I16 Pro Max, I16 Pro, C25 Ultra, WO1, WO3 Trademark: W&O We hereby state that WO2 is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names, color and appearance. So the test data of WO2 can represent the remaining models. Your assistance on this matter is highly appreciated. Yours sincerely, Signature: Date: 2025/01/05 Name: Peng seng Company Name : Shenzhen Yishunxing Technology Co., Ltd Address: 4/F, Building A2, Tangwei Fuyuan Industrial Zone, Tangwei Community Fuyong Street, Xixiang, Bao an District, Shenzhen, China Tel / Fax: +8618027650336/N/A E-Mail: [email protected]

Shenzhen Yishunxing Technology Co., Ltd 2025-12-03 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Smartphone / WO2, S25 Ultra, S26 Ultra, S27 Ultra, I17 Pro Max, I17 Pro, I16 Pro Max, I16 Pro, C25 Ultra, WO1, WO3 /FCC ID: 2BOY2-WO2) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the  Schematic Diagram  Block Diagram  Operational Description  BOM  SOFTWARE SECURITY REQUIREMENTS FOR U-NII DEVICES  Tune-up Procedure required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Please contact me if there is any information you may need. Sincerely, Signature: Applicant name: Peng seng

Shenzhen Yishunxing Technology Co., Ltd 2025-12-03 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (SHENZHEN TONGCE TESTING LAB) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Applicant name: Peng seng

Shenzhen Yishunxing Technology Co., Ltd 2025-12-03 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Short Term Confidentiality Request For(Smartphone / WO2, S25 Ultra, S26 Ultra, S27 Ultra, I17 Pro Max, I17 Pro, I16 Pro Max, I16 Pro, C25 Ultra, WO1, WO3 /FCC ID: 2BOY2-WO2) To Whom It May Concern: In accordance with sections 0.457 and 0.459 of CFR 47, Shenzhen Yishunxing Technology Co., Ltd requests short-term Confidentiality of following sections of this application for a period of 180 days after grant is issued. Test setup photos External photos Internal photos User’s manual These documents contain detailed system and equipment descriptions and related information about the product, which Shenzhen Yishunxing Technology Co., Ltd considers to be proprietary, confidential, and a custom design and otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, Shenzhen Yishunxing Technology Co., Ltd feels that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Applicant name: Peng seng

Label Artwork and Location Model: W02 Label: S ize: L*W= 26*16mm Smartphone Model: W02 FCC ID: 2BOY2-WO2 Location

TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 1 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China SARTestReport For ApplicantName: ShenzhenYishunxingTechnologyCo.,Ltd Address: 4/F,BuildingA2,TangweiFuyuanIndustrialZone,Tangwei Community.FuyongStreet,Xixiang,Bao’anDistrict,Shenzhen EUTName: Smartphone BrandName: W&O ModelNumber: WO2 SeriesModelNumber: S25Ultra,S26Ultra,S27Ultra,I17ProMax,I17Pro,I16ProMax, I16Pro,C25Ultra,WO1,WO3 IssuedBy CompanyName: BTFTestingLab(Shenzhen)Co.,Ltd. Address: Plant101,201and301,Building1,Block2,TantouIndustrial Park,TantouCommunity,SonggangStreet,Bao'anDistrict, Shenzhen,Guangdong,China ReportNumber: BTF251121R00201 TestStandards: FCC47CFR§2.1093IEEEStd.1528-2013 IEEEC95.1-2019 FCCID: 2BOY2-WO2 TestConclusion: Pass TestDate: 2025-12-10to2025-12-23 DateofIssue: 2025-12-24 TestedBy: KrisLi/Tester Date: 2025-12-24 PreparedBy: AmendaZhong/ProjectEngineer Date: 2025-12-24 ApprovedBy: Ryan.CJ/EMCManager Date: 2025-12-24 Note:Allthetestresultsinthisreportonlyrelatedtothetestingsamples.Whichcanbeduplicatedcompletelyforthelegalusewithapprovalof applicant;itshallnotbereproducedexceptinfullwithoutthewrittenapprovalofBTFTestingLab(Shenzhen)Co.,Ltd.,Alltheobjectionsshouldbe raisedwithinthirtydaysfromthedateofissue.Tovalidatethereport,youcancontactus. TestReportNumber:BTF251121R00201 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 2 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China RevisionHistory VersionIssueDateRevisionsContent R_V02025-12-24Original Note:Oncetherevisionhasbeenmade,thenpreviousversionsreportsareinvalid. TestReportNumber:BTF251121R00201 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 3 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China TableofContents 1.Introduction...................................................................................................................................................................................................4 1.1IdentificationofTestingLaboratory.....................................................................................................................................................4 1.2IdentificationoftheResponsibleTestingLocation..............................................................................................................................4 1.3LaboratoryCondition...........................................................................................................................................................................4 1.4Announcement....................................................................................................................................................................................4 2.ProductInformation.......................................................................................................................................................................................5 2.1ApplicationInformation........................................................................................................................................................................5 2.2ManufacturerInformation....................................................................................................................................................................5 2.3FactoryInformation.............................................................................................................................................................................5 2.4GeneralDescriptionofEquipmentunderTest(EUT).........................................................................................................................5 2.5EquipmentunderTestAncillaryEquipment........................................................................................................................................5 2.6TechnicalInformation..........................................................................................................................................................................5 3.SummaryofTestResults..............................................................................................................................................................................7 3.1TestStandards....................................................................................................................................................................................7 3.2DeviceCategoryandSARLimit..........................................................................................................................................................7 3.3TestResultSummary..........................................................................................................................................................................8 3.4TestUncertainty..................................................................................................................................................................................9 4.MeasurementSystem.................................................................................................................................................................................11 4.1SpecificAbsorptionRate(SAR)Definition........................................................................................................................................11 4.2MVGSARSystem.....................................................................................................................................................…

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TestReportNumber:BTF251121R00201 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 91 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China 10-Bodywithbackpositionindist.10mmonChannel4183inWCDMABand5 SARMeasurementatBand5(850)(Body,ValidationPlane) Dateofmeasurement:11/12/2025 A.Experimentalconditions. Probe0125-EPGO-445 ConvF1.15 AreaScandx=8mmd y=8mm,Complete ZoomScan5x5x7,dx=8mmd y=8mmdz=5.0mm,Complete PhantomValidationplane DevicePositionBody BandBand5 (850) Channels/FrequencyMiddle(4183)/frequency836.600Mhz Si gnalWCDMA ModeRelease99 ConnectionTypeRMC,12.2kbps B.Permitivity MiddleTXFrequency(MHz)836.600 Relativepermitivit y(realpart)41.660 Relativepermitivit y(imaginarypart)19.429 Conductivity(S/m)0.933 C.SARSurfaceandVolume SURFACESARVOLUMESAR Maximumlocation:X=-1.00,Y=15.00;SARPeak:0.03W/kg D.SAR1g&10g SAR10g(W/Kg)0.008 SAR1g(W/Kg)0.021 Variation (%)-1.260 Horizontalvalidationcriteria:minimumdistance(mm)16.000000 Verticalvalidationcriteria:SARratioM2/M1(%)56.025170 E.ZAxisScan Z(mm)0.004.009.0014.0019.0024.0029.00 SAR(W/Kg)0.0250.0180.0100.0060.0030.0030.002 TestReportNumber:BTF251121R00201 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 92 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China F.3DImage 3DscreenshotHotspotposition TestReportNumber:BTF251121R00201 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 93 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China 11-Headwithfrontpositionindist.0mmonChannel18700inLTEband2 SARMeasurementatLTEband2(Cheek,Right) Dateofmeasurement:13/12/2025 A.Experimentalconditions. Probe0125-EPGO-445 ConvF1.31 AreaScandx=8mmd y=8mm,Complete ZoomScan5x5x7,dx=8mmd y=8mmdz=5.0mm,Complete PhantomRi ghthead DevicePositionCheek BandLTEband2 Channels/Frequenc yLower(18700)/frequency1860.000Mhz Si gnalLTEFDD CellBandwidth20Mhz ModulationSC-OFDM-QPSK RBoffset0 RBsize1 B.Permitivity MiddleTXFrequency(MHz)1860.090 Relativepermitivit y(realpart)39.978 Relativepermitivit y(imaginarypart)14.040 Conductivity(S/m)1.415 C.SARSurfaceandVolume SURFACESARVOLUMESAR Maximumlocation:X=-33.00,Y=-2.00;SARPeak:0.40W/kg D.SAR1g&10g SAR10g(W/Kg)0.121 SAR1g(W/Kg)0.237 Variation (%)-1.240 Horizontalvalidationcriteria:minimumdistance(mm)11.313708 Verticalvalidationcriteria:SARratioM2/M1(%)56.846157 E.ZAxisScan Z(mm)0.004.009.0014.0019.0024.0029.00 SAR(W/Kg)0.4020.2590.1480.0830.0450.0380.015 TestReportNumber:BTF251121R00201 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 94 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China F.3DImage 3DscreenshotHotspotposition TestReportNumber:BTF251121R00201 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 95 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China 12-Bodywithbackpositionindist.10mmonChannel18700inLTEband2 SARMeasurementatLTEband2(Body,ValidationPlane) Dateofmeasurement:13/12/2025 A.Experimentalconditions. Probe0125-EPGO-445 ConvF1.31 AreaScandx=8mmd y=8mm,Complete ZoomScan5x5x7,dx=8mmd y=8mmdz=5.0mm,Complete PhantomValidationplane DevicePositionBody BandLTEband2 Channels/Frequenc yLower(18700)/frequency1860.000Mhz Si gnalLTEFDD CellBandwidth20Mhz ModulationSC-OFDM-QPSK RBoffset0 RBsize1 B.Permitivity MiddleTXFrequency(MHz)1860.090 Relativepermitivit y(realpart)39.978 Relativepermitivit y(imaginarypart)14.040 Conductivity(S/m)1.415 C.SARSurfaceandVolume SURFACESARVOLUMESAR Maximumlocation:X=-14.00,Y=-49.00;SARPeak:0.47W/kg D.SAR1g&10g SAR10g(W/Kg)0.129 SAR1g(W/Kg)0.269 Variation (%)2.810 Horizontalvalidationcriteria:minimumdistance(mm)11.313708 Verticalvalidationcriteria:SARratioM2/M1(%)53.825090 E.ZAxisScan Z(mm)0.004.009.0014.0019.0024.0029.00 SAR(W/Kg)0.4690.2960.1590.0890.0500.0230.017 TestReportNumber:BTF251121R00201 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 96 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China F.3DImage 3DscreenshotHotspotposition TestReportNumber:BTF251121R00201 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page 97 of 153 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China 13-Headwithfrontpositionindist.0mmonChannel20300inLTEband4 SARMeasurementatLTEband4(Cheek,Right) Dateofmeasurement:12/12/2025 A.Experimentalconditions. Probe0125-EPGO-445 ConvF1.20 AreaScandx=8mmd y=8mm,Complete ZoomScan5x5x7,dx=8mmd y=8mmdz=5.0mm,Complete PhantomRi ghthead DevicePositionCheek BandLTEband4 Channels/Frequenc yHigher(20300)/frequency1745.000Mhz Si gnalLTEFDD CellBandwidth20Mhz ModulationSC-OFDM-QPSK RBoffset99 RBsize1 B.Permitivity MiddleTXFrequency(MHz)1745.090 Relativepermitivit y(realpart)40.124 Relativepermitivit y(imaginarypart)14.925 Conductivity(S/m)1.365 C.SARSurfaceandVolume SURFACESARVOLUMESAR Maximumlocation:X=-33.00,Y=-3.00;SARPeak:0.41W/kg D.SAR1g&10g SAR10g(W/Kg)0.127 SAR1g(W/Kg)0.246 Variation (%)0.080 Horizontalvalidationcriteria:minimumdistance(mm)11.313708 Verticalvalidationcriteria:SARratioM2/M1(%)57.036013 E.ZAxisScan Z(mm)0.004.009.0014.0019.0024.0029.00 SAR(W/Kg)0.4100.2680.1530.0910.0500.0290.016 TestReportNumber:BTF251121R00201 Total…

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Page: 1/11 Ref : ACR.9.6.25.BES.B Cancel and replace the report ACR.9.6.25.BES.A BTF TESTING LAB (SHENZHEN) CO., LTD. F101,201 AND 301, BUILDING 1, BLOCK 2, TANTOU INDUSTRIAL PARK, TANTOU COMMUNITY SONGGANG STREET, BAO'AN DISTRICT, SHENZHEN, CHINA MVG COMOSAR DOSIMETRIC E-FIELD PROBE SERIAL NO.: 0125-EPGO-445 Calibrated at MVG Z.I. de la pointe du diable Technopôle Brest Iroise – 295 avenue Alexis de Rochon 29280 PLOUZANE - FRANCE Calibration date: 01/02/2025 Accreditations #2-6789 Scope available on www.cofrac.fr The use of the Cofrac brand and the accreditation references is prohibited from any reproduction. Summary: This document presents the method and results from an accredited COMOSAR Dosimetric E-Field Probe calibration performed at MVG, using the CALIPROBE test bench, for use with a MVG COMOSAR system only. The test results covered by accreditation are traceable to the International System of Units (SI). COMOSAR E-Field Probe Calibration Report Docusign Envelope ID: 691C3E09-7794-43A0-BF36-C536093756C8 COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref: ACR.9.6.25.BES.B Page: 2/11 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. Name Function Date Signature Prepared by : Pedro Ruiz Technical Manager 1/9/2025 Checked & approved by: Pedro Ruiz Technical Manager 1/9/2025 Authorized by: Geraldine Toutain Quality Manager Customer Name Distribution : BTF Testing Lab (Shenzhen) Co., Ltd. Issue Name Date Modifications A Pedro Ruiz 1/9/2025 Initial release B Pedro Ruiz 2/12/2025 Change freq label 850 to 835 Docusign Envelope ID: 691C3E09-7794-43A0-BF36-C536093756C8 2/13/2025 COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref: ACR.9.6.25.BES.B Page: 3/11 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. TABLE OF CONTENTS 1 Device Under Test ..................................................................................................... 4 2 Product Description ................................................................................................... 4 2.1 General Information _______________________________________________________ 4 3 Measurement Method ................................................................................................ 4 3.1 Sensitivity _______________________________________________________________ 4 3.2 Linearity ________________________________________________________________ 5 3.3 Isotropy _________________________________________________________________ 5 3.4 Boundary Effect __________________________________________________________ 5 3.5 Probe Modulation Response _________________________________________________ 6 4 Measurement Uncertainty .......................................................................................... 6 5 Calibration Results ..................................................................................................... 6 5.1 Calibration in air __________________________________________________________ 6 5.2 Calibration in liquid _______________________________________________________ 7 6 Verification Results ................................................................................................... 8 7 List of Equipment .................................................................................................... 10 Docusign Envelope ID: 691C3E09-7794-43A0-BF36-C536093756C8 COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref: ACR.9.6.25.BES.B Page: 4/11 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. 1 DEVICE UNDER TEST Device Under Test Device Type COMOSAR DOSIMETRIC E FIELD PROBE Manufacturer MVG Model SSE2 Serial Number 0125-EPGO-445 Product Condition (new / used) New Frequency Range of Probe 0.15 GHz-7.5GHz Resistance of Three Dipoles at Connector Dipole 1: R1=0.206 M Dipole 2: R2=0.208 M Dipole 3: R3=0.226 M 2 PRODUCT DESCRIPTION 2.1 GENERAL INFORMATION MVG’s COMOSAR E field Probes are built in accordance to the IEC/IEEE 62209-1528 and FCC KDB865664 D01 standards. Figure 1 – MVG COMOSAR Dosimetric E field Probe Probe Length 330 mm Length of Individual Dipoles 2 mm Maximum external diameter 8 mm Probe Tip External Diameter 2.5 mm Distance between dipoles / probe extremity 1 mm 3 MEASUREMENT METHOD The IEC/IEEE 62209-1528 and FCC KDB865664 D01 standards provide recommended practices for the probe calibrations, including the performance characteristics of interest and methods by which to assess their effect. All calibrations / measurements performed meet the fore-mentioned standards. 3.1 SENSITIVITY The sensitivity factors of the three dipoles were determined using a two step calibration method (air and tissue simulating liquid) using waveguides as outlined in the standards for frequency range 600- 7500MHz and using the calorimeter cell method (transfer method) as outlined in the standards for frequency 150-450 MHz. Docusign Envelope ID: 691C3E09-7794-43A0-BF36-C536093756C8 COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref: ACR.9.6.25.BES.B Page: 5/11 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Probe vM This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to …

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致力于为客户提供专业级天线解决方案 Antenna Test Report of A6 European and American Version of Yishun Star Radio Frequency: He Lei Date: 2026-1-20 Contact: 15767667652 致力于为客户提供专业级天线解决方案 Radio frequency: Zeng Xianghao Date: 2021-10-12 Report version: V0.1 Project development environment 致力于为客户提供专业级天线解决方案 1 2 3 4 5 6 致力于为客户提供专业级天线解决方案 Project debugging introduction type cellphone template Band and Antenna Material frequency range material quality 2.4G BT /WIFI 2.4G cheek +FPC 5G WIFI 5G cheek +FPC performance requirement Execute as requested by the customer 致力于为客户提供专业级天线解决方案 Report Version Outline Report timeThe problems solved by the antenna development V0.12026-1-16complete machine test report V0.22026-1-20Add WIFI/BT gain efficiency 致力于为客户提供专业级天线解决方案 Antenna Passive Parameters-WIFI/BT Passive Test For 2400MHz~2500MHz FreqEffiEffiGain (MHz)(%)(dB)( dBi ) 2400 28.1%-5.51-0.49 2410 28.8%-5.41-0.36 2420 29.7%-5.27-0.27 2430 30.8%-5.11-0.16 2440 31.0%-5.090.08 2450 31.2%-5.060.29 2460 30.8%-5.110.22 2470 29.4%-5.320.13 2480 28.3%-5.48-0.05 2490 27.6%-5.59-0.25 2500 27.3%-5.64-0.54 Passive Test For 5100MHz~5800MHz FreqEffiEffiGain (MHz)(%)(dB)(dBi) 5170.0 24.4% -6.13 -1.57 5210.0 24.9% -6.04 -1.51 5250.0 25.3% -5.97 -1.48 5290.0 26.5% -5.77 -1.43 5330.0 26.2% -5.82 -1.41 5370.0 25.7% -5.90 -1.37 5410.0 26.5% -5.77 -1.31 5450.0 27.1% -5.67 -1.26 5490.0 27.6% -5.59 -1.21 5530.0 27.1% -5.67 -1.25 5570.0 26.8% -5.72 -1.27 5610.0 26.6% -5.75 -1.33 5650.0 26.4% -5.78 -1.38 5690.0 26.2% -5.82 -1.39 5730.0 25.8% -5.88 -1.41 5780.0 25.1% -6.00 -1.43 5830.0 24.6% -6.09 -1.47 致力于为客户提供专业级天线解决方案 WIFI/BT pattern 致力于为客户提供专业级天线解决方案 5G WIFI pattern 致力于为客户提供专业级天线解决方案 WIFI/BT Address: 4th Floor, Building 2, Taiyun Valley, South Guangming Avenue, Guangming New District, Shenzhen Tel: 0755-23984257 Fax: 0755-86090455

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2BOY2-WO2 Test Report No. ............... : TCT251024E047 Date of issue ................... : Nov. 24, 2025 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhen Yishunxing Technology Co., Ltd Address ........................... : 4/F, Building A2, Tangwei Fuyuan Industrial Zone, Tangwei Community Fuyong Street, Xixiang, Bao an District, Shenzhen, China Manufacturer's name ... : Shenzhen Yishunxing Technology Co., Ltd Address ........................... : 4/F, Building A2, Tangwei Fuyuan Industrial Zone, Tangwei Community Fuyong Street, Xixiang, Bao an District, Shenzhen, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart E Section 15.407 KDB 662911 D01 Multiple Transmitter Output v02r01 KDB 789033 D02 General U-NII Test Procedures New Rules v02r01 Product Name ................. : Smartphone Trade Mark ...................... : W&O Model/Type reference..... : WO2, S25 Ultra, S26 Ultra, S27 Ultra, I17 Pro Max, I17 Pro, I16 Pro Max, I16 Pro, C25 Ultra, WO1, WO3 Rating(s).......................... : Rechargeable Li-polymer Battery DC 3.87V Date of receipt of test item ......................................... : Oct. 24, 2025 Date (s) of performance of test ................................... : Oct. 24, 2025 ~ Nov. 24, 2025 Tested by (+signature) ... : Rleo LIU Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered o…

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