2BV8R-GD105Car Diagnostic Adapter

GuangzhouGaoxinxingWanglianTechnologyCo.,Ltd Attestation Section2.911(d)(5)(i)andSection2.911(d)(5)(ii) (KDB986446D01CoveredEquipment) Section2.911(d)(5)(i Date: 24 June 2026 To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA ) GuangzhouGaoxinxingWanglianTechnologyCo.,Ltd(“theapplicant”)certifies thattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903ofthe FCCrules. Thesoftwaretobeloadedpriortomarketingoftheequipmentidentifiedbelowisnot "covered"softwaremanufacturedbyanyentityincludingpredecessors,successors, parents,subsidiaries,oraffiliatesoranyentitywhichhasrebrandedorrelabeledthe softwareproducedbytheentity(ies)identifiedonthe"CoveredList"DA24-886and KDB986446D01CoveredEquipmentGuidancesectionB(2a). GuangzhouGaoxinxingWanglianTechnologyCo.,Ltd(“theapplicant”)further certifiesthatnoCybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwith integratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees)cybersecurity oranti-virussoftwareisinstalledintheequipmentbeingcertified. Section2.911(d)(5)(ii) GuangzhouGaoxinxingWanglianTechnologyCo.,Ltd(“theapplicant”)certifies that,asofthedateofthefilingoftheapplication,theapplicant[isnot]identifiedon theCoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates) asanentityproducing“covered”equipment. TypeofEquipmentsubjecttoFCCCertification:FCCID:2BV8R-GD105 Ifyouhaveanyquestions,pleasefeelfreetocontactme ContactPerson:SHAOTAOPANG Position in the Company: Manager Date of Signature: ___________________________ Signatory (signature of the applicant)

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GuangzhouGaoxinxingWanglianTechnologyCo.,Ltd To Date: June 24, 2026 :FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheGuangzhouGaoxinxingWanglianTechnologyCo.,Ltd,theundersigned,herebyauthorizes Mr.WuXuewenfromShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfofthe GuangzhouGaoxinxingWanglianTechnologyCo.,Ltdsolelyinmattersrelatingtothe applicationforanFCCequipmentauthorizationforFCCID:2BV8R-GD105includingthesigning ofdocumentsinconnectionwiththisApplication.NecessaryactscarriedoutbyShenzhen BALUNTechnologyCo.,Ltd.inconnectionwiththeApplicationshallhavethesameeffectas actsoftheGuangzhouGaoxinxingWanglianTechnologyCo.,Ltd TheGuangzhouGaoxinxingWanglianTechnologyCo.,Ltdalsoherebycertifythatnopartyto thisapplicationissubjecttoadenialofbenefits,includingFCCbenefits,pursuanttoSection 5301oftheAnti-DrugAbuseActof1988,21U.S.C.Section862. YoursSincerely, Printname:SHAOTAOPANG Title:Manager Signature:

GuangzhouGaoxinxingWanglianTechnologyCo.,Ltd To Date: June 24, 2026 :FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 RE: FCCID:2BV8R-GD105 FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentialitymaterial. GuangzhouGaoxinxingWanglianTechnologyCo.,Ltdrequeststhatthefollowingdocuments regardingthissubmissionforFCCID: 2BV8R-GD105 bekeptLong-Termconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf Andbelowexhibitkeptshort-termconfidential(180days): ExhibitTypeFileName ExternalPhotosExternalPhoto.pdf InternalPhotosInternalPhoto.pdf TestSetupPhotosTestSetupPhotos.pdf UsersManualsUsersManual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelatedinformation abouttheproductwhichGuangzhouGaoxinxingWanglianTechnologyCo.,Ltdconsiderstobe confidentialproprietary,acustomdesignand,otherwise,notreleasabletothegeneralpublic. Sincethisdesignisabasisformwhichfuturetechnologicalproductswillevolve,Guangzhou GaoxinxingWanglianTechnologyCo.,Ltdconsidersthisinformationwouldbeofbenefittoits competitors,andthatthedisclosureoftheinformationinthesedocumentswouldgive competitorsanunfairadvantageinthemarket. Thankyouforyourattentiontothismatter. Printname: SHAOTAOPANG Title:Manager Signature:

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Car Diagnostic Adapter GD105_BLE 2BV8R-GD105 Model: FCCID: Size:38x15mm 38mm 15mm

Report No.: Ti-EE26040788-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 33 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Body-1 (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: Guangzhou Gaoxinxing Wanglian Technology Co., Ltd. Address: Room 619, Building 1, No.2819, Kaichuang Avenue, Huangpu District Guangzhou, 510000 China Equipment Type: Car Diagnostic Adapter Model Name: GD105_BLE Brand Name: Wiseday FCC ID: 2BV8R-GD105 Test Standard: FCC 47 CFR Part 2.1093 (refer section 3.1) Maximum SAR: Body 2.4GHz(1 g@5mm): 0.05 W/kg Sample Arrival Date: Jun. 16, 2026 Test Date: Jun. 20, 2026 Date of Issue: Jul. 01, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Guo Guangwei Checked by: Xu Rui Approved by: Liao Jianming (Technical Director) _______________ _______________ _______________ Report No.: Ti-EE26040788-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 33 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Body-1 (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 Jun. 24, 2026 Initial Issue Rev. 02 Jul. 01, 2026 Modified the test distance for the maximum SAR on the homepage and the note of Ti-26040788-AP. TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 1.3 Test Environment Condition .......................................................................................... 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 2.5 Antenna Location .......................................................................................................... 7 3 SUMMARY OF TEST RESULT ................................................................................................. 8 3.1 Test Standards ............................................................................................................. 8 3.2 Device Category and SAR Limit ................................................................................... 9 3.3 Test Result Summary ................................................................................................. 10 3.4 Test Uncertainty ......................................................................................................... 11 4 MEASUREMENT SYSTEM ..................................................................................................... 12 4.1 Specific Absorption Rate (SAR) Definition .................................................................. 12 4.2 DASY SAR System .................................................................................................... 13 5 SYSTEM VERIFICATION ........................................................................................................ 20 5.1 Purpose of System Check .......................................................................................... 20 5.2 System Check Setup .................................................................................................. 20 6 TEST POSITION CONFIGURATIONS .................................................................................... 21 6.1 Body-worn Position Conditions ................................................................................... 21 Report No.: Ti-EE26040788-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 33 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Body-1 (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 7 MEASUREMENT PROCEDURE ............................................................................................. 22 7.1 Measurement Process Diagram ................................................................................. 22 7.2 SAR Scan General Requirement ................................................................................ 23 7.3 Measurement Procedure ............................................................................................ 24 7.4 Area & Zoom Scan Procedure .................................................................................... 24 8 CONDUCTED RF OUTPUT POWER ...................................................................................... 25 9 TEST RESULT ........................................................................................................................ 26 9.1 Bluetooth .................................................................................................................... 26 10 SAR Measurement Variability .................................................................................................. 27 11 SIMULTANEOUS TRANSMISSION ......................................................................................... 28 12 TEST EQUIPMENTS LIST .................…

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Report No.: Ti-EE26040788-AC 1 / 32 CALIBRATION REPORT F.1 E-Field Probe (EX3DV4 - SN: 7510) Report No.: Ti-EE26040788-AC 2 / 32 Report No.: Ti-EE26040788-AC 3 / 32 Report No.: Ti-EE26040788-AC 4 / 32 Report No.: Ti-EE26040788-AC 5 / 32 Report No.: Ti-EE26040788-AC 6 / 32 Report No.: Ti-EE26040788-AC 7 / 32 Report No.: Ti-EE26040788-AC 8 / 32 Report No.: Ti-EE26040788-AC 9 / 32 Report No.: Ti-EE26040788-AC 10 / 32 Report No.: Ti-EE26040788-AC 11 / 32 Report No.: Ti-EE26040788-AC 12 / 32 Report No.: Ti-EE26040788-AC 13 / 32 Report No.: Ti-EE26040788-AC 14 / 32 Report No.: Ti-EE26040788-AC 15 / 32 Report No.: Ti-EE26040788-AC 16 / 32 Report No.: Ti-EE26040788-AC 17 / 32 Report No.: Ti-EE26040788-AC 18 / 32 Report No.: Ti-EE26040788-AC 19 / 32 Report No.: Ti-EE26040788-AC 20 / 32 Report No.: Ti-EE26040788-AC 21 / 32 Report No.: Ti-EE26040788-AC 22 / 32 Report No.: Ti-EE26040788-AC 23 / 32 F.2 Data Acquisition Electronics (DAE4 - SN:1711) Report No.: Ti-EE26040788-AC 24 / 32 Report No.: Ti-EE26040788-AC 25 / 32 Report No.: Ti-EE26040788-AC 26 / 32 F.3 2450 MHz Dipole Report No.: Ti-EE26040788-AC 27 / 32 Report No.: Ti-EE26040788-AC 28 / 32 Report No.: Ti-EE26040788-AC 29 / 32 Report No.: Ti-EE26040788-AC 30 / 32 Report No.: Ti-EE26040788-AC 31 / 32 Report No.: Ti-EE26040788-AC 32 / 32 D2450V2 Dipole impedance and return loss Validation Meas. Results Current Meas. Previous Meas. Max. Deviation Meas. Data 2026.05.06 2025.05.06 / Return Loss(dB) -24.133 -27.271 -11.51% Impedance 51.716 Ω + 5.464 jΩ 51.780 Ω + 5.716 jΩ -0.252Ω (Imaginary part) --END OF REPORT--

8 CONDUCTED RF OUPUT POWER 8.1 Bluetooth 8.1.1 Bluetooth Output Power 8.1.2 Bluetooth Duty Cycle Ti-EE26040788-AP 1/3 8.1Bluetooth 8.1.1Bluetooth Output Power Bluetooth Test ModeModulation Channel number Frequency( MHz) Output Peak Power (dBm) Tune up (dBm)) SAR Test BT BLE1M 024027.24 8.00 Yes 1924407.58 8.00 Yes 3924807.74 8.00 Yes BLE2M 024027.30 8.00 No 1924407.56 8.00 No 3924807.72 8.00 No Note: Since BLE1M mode is the maximum output power mode，SAR measurements were performed with test software using BLE1M modulation, and SAR measurement is not required for the BLE2M. When the secondary mode is ≤ ¼ dB higher than the primary mode. Ti-EE26040788-AP 2/3 8.1.2Bluetooth Duty Cycle The Bluetooth BLE-1M duty cycle is 100% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. Duty Cycle Ti-EE26040788-AP 3/3

Ti-EE26040788-ASC 1/1 SystemCheck:2450Mhz Date:2026.06.20 CommunicationSystemBand:D2450(2450.0MHz);Frequency:2450MHz;DutyCycle:1:1 Mediumparametersused:f=2450MHz;σ=1.812S/m;ε r =38.835;ρ=1000kg/m 3 Phantomsection:FlatSection AmbientTemperature:22.2°CLiquidTemperature:21.2°C DASY5Configuration: Probe:EX3DV4-SN7510;ConvF(7.71,7.71,7.71);Calibrated:2025.11.11 Sensor-Surface:4mm(MechanicalSurfaceDetection) Electronics:DAE4Sn1711;Calibrated:2025.11.11 Phantom:SAM1;Type:QD000P40CD;Serial:TP:1576 MeasurementSW:DASY52,Version52.8(8);SEMCADXVersion14.6.13(7331) CW2450/AreaScan(81x81x1):Interpolatedgrid:dx=1.200mm,dy=1.200mm MaximumvalueofSAR(interpolated)=6.73W/kg CW2450/ZoomScan(7x7x7)/Cube0:Measurementgrid:dx=5mm,dy=5mm,dz=5mm ReferenceValue=60.51V/m;PowerDrift=0.02dB PeakSAR(extrapolated)=10.7W/kg SAR(1g)=5.37W/kg;SAR(10g)=2.49W/kg Smallestdistancefrompeakstoallpoints3dBbelow=10.5mm RatioofSARatM2toSARatM1=58.9% MaximumvalueofSAR(measured)=6.13W/kg 0dB=6.13W/kg

Ti-EE26040788-ATD 1/1 Meas.1BodyPlanewithLeftEdge5mmon39ChannelinBluetoothmodewithANT1 Date:2026.06.20 CommunicationSystemBand:BT;Frequency:2480MHz;DutyCycle:1:1 Mediumparametersused(interpolated):f=2480MHz;σ=1.853S/m;ε r =38.157;ρ=1000kg/m 3 Phantomsection:FlatSection AmbientTemperature:22.2°CLiquidTemperature:21.2°C DASY5Configuration: Probe:EX3DV4-SN7510;ConvF(7.71,7.71,7.71);Calibrated:2025.11.11 Sensor-Surface:4mm(MechanicalSurfaceDetection) Electronics:DAE4Sn1711;Calibrated:2025.11.11 Phantom:SAM1;Type:QD000P40CD;Serial:TP:1576 MeasurementSW:DASY52,Version52.8(8);SEMCADXVersion14.6.13(7331) Ch39/AreaScan(51x41x1):Interpolatedgrid:dx=1.200mm,dy=1.200mm MaximumvalueofSAR(interpolated)=0.0557W/kg Ch39/ZoomScan(7x7x7)/Cube0:Measurementgrid:dx=5mm,dy=5mm,dz=5mm ReferenceValue=5.428V/m;PowerDrift=-0.02dB PeakSAR(extrapolated)=0.0600W/kg SAR(1g)=0.048W/kg;SAR(10g)=0.024W/kg Smallestdistancefrompeakstoallpoints3dBbelow=5.5mm RatioofSARatM2toSARatM1=64.2% MaximumvalueofSAR(measured)=0.0584W/kg 0dB=0.0584W/kg

Report No.: Ti-EE26040788-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 64 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (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: Guangzhou Gaoxinxing Wanglian Technology Co., Ltd. Address: Room 619, Building 1, No.2819, Kaichuang Avenue, Huangpu District Guangzhou, 510000 China Equipment Type: Car Diagnostic Adapter Model Name: GD105_BLE Brand Name: Wiseday FCC ID: 2BV8R-GD105 Test Standard: 47 CFR Part 15 Subpart C (refer to section 3.1) Sample Arrival Date: Apr. 27, 2026 Test Date: May 19, 2026 - Jun. 10, 2026 Date of Issue: Jul. 01, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Yang Wenxuan Checked by: Li Ganming Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: Ti-EE26040788-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 64 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (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 Jun. 24, 2026 Initial Issue Rev. 02 Jul. 01, 2026 1. Corrected the antenna gain in Chapter 2.4. 2. Revise Chapter A.5 and the attachments Ti-EE26040788-AR, Ti- EE26040788-AI. 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 .................................................................................................................. 9 4 GENERAL TEST CONFIGURATIONS .................................................................................... 10 4.1 Test Environments ...................................................................................................... 10 4.2 Test Equipment List .................................................................................................... 10 4.3 Test Software List ....................................................................................................... 10 4.4 Measurement Uncertainty ........................................................................................... 11 4.5 Description of Test Setup ........................................................................................... 11 4.6 Measurement Results Explanation Example ............................................................... 14 5 TEST ITEMS ........................................................................................................................... 15 5.1 Antenna Requirements ............................................................................................... 15 5.2 Output Power ............................................................................................................. 16 Report No.: Ti-EE26040788-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 64 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (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 5.3 Occupied Bandwidth ................................................................................................... 18 5.4 Conducted Spurious Emission .................................................................................... 20 5.5 Band Edge (Authorized-band band-edge) ................................................................... 22 5.6 Conducted Emission ................................................................................................... 24 5.7 Radiated Spurious Emission ....................................................................................... 25 5.8 Band Edge (Restricted-band band-edge) .................................................................... 30 5.9 Power Spectral density (PSD) .................................................................................... 33 ANNEX A TEST RESULT ........................................................................................................... 34 A.1 Output Power ............................................................................................................. 34 A.2 Occupied Bandwidth ................................................................................................... 37 A.3 Conducted Spurious Emissions .................................................................................. 41 A.4 Band Edge (Authorized-band band-edge) ................................................................... 46 A.5 Conducted Emissions .........................…

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1 Copyright © by Passive System Alliance | All rights reserved. Address: No. 59-12, 9 Lin, Dacuo Li, Zhunan Township, Miaoli County 350044, Taiwan 2 Copyright © by Passive System Alliance | All rights reserved. 3 高新兴-GT117 P r e s e n t e d b y J u n n y 2024/ 0 2 / 05 Copyright © by Passive System Alliance | All rights reserved. 4 Version Date Description Author V01 2024/02/05 New Release Junny 5 OUTLINE 1. Measurement Information 3. Summary 2.1 S-Parameter 2.2 Antenna Efficiency and Peak Gain 2.3 3 views of antenna & 2D Radiation Patterns 1.1 Experimental Setup 1.2 Antenna Solution Detail 2. Antenna Characteristics 6 1. Measurement Information 1.1 Experimental Setup Confidentiality 7 1. Measurement Information 1.2 Antenna Solution Detail Matching values I/O 0R GND NA GND Antenna_RFECA3216060A1T GND 3.9nH 2.7pF 對應料號 3.9nH WLCM0603Z0B3N9TB 0 ohm WR04X000PTL 2.7 pF RF15N2R7A500CTNA 8 2.1 S-Parameter 2. Antenna Characteristics 9 Maximum Efficiency at 2460MHz : 53.68% 2.2 Antenna Efficiency and Peak Gain Maximum Peak Gain at 2460MHz : 2.73dBi 2. Antenna Characteristics 10 2.2 Antenna Efficiency and Peak Gain 2. Antenna Characteristics ANT Frequency (GHz) Efficiency (%) Peak gain (dBi) 2.4 44.02 1.08 2.45 52.33 2.73 2.5 44.13 1.83 11 2.3 3 views of antenna 2. Antenna Characteristics X-Z plane Y-Z plane X-Yplane Z Y -Z -Y X Y -X -Y Z X -Z -X Confidentiality Confidentiality Confidentiality 12 2.3 2D Radiation Patterns ZX plane ZY plane XY plane Frequency [MHz] Max Value [dB] Average [dB] Max Value [dB] Average [dB] Max Value [dB] Average [dB] 2400 -1.20 -3.97 -1.24 -3.95 -1.82 -4.03 2450 -0.63 -3.35 -0.63 -3.13 -0.78 -3.62 2500 -1.44 -4.16 -0.62 -3.42 -1.45 -4.57 2. Antenna Characteristics 2400MHz 2450MHz 2500MHz 2400MHz 2450MHz 2500MHz 2400MHz 2450MHz 2500MHz X Z Z Y Y X 13 3. Summary ANT Maximum Efficiency (%) 53.68 Maximum Gain (dBi) 2.73 •The performance of antennas is shown in table 14 Content Details Title for Image (above image could be replaced) 15 本資料均屬機密，僅供指定之收件人使用，未經寄件人許可不得揭露、複製或散佈本信件。 This message and any attachments are confidential and may be legally privileged. Any unauthorized review, use or distribution by anyone other than the intended recipient is strictly prohibited. If you are not the intended recipient, please immediately notify the sender, completely delete this documents, and destroy all copies. Your cooperation will be highly appreciated. Thank you