2AFB3-VSTRACKER100VS Tracker

TOBEROUTEDONDCOFORAPPROVALATTWENTY TWENTY 1.Description 1.1. 2.AppendixA-VSTrackerIFU VSTracker InstructionsforUse ModelNumber:VSTracker100 CAUTION-Investigationaldevice.LimitedbyUnitedStateslawtoinvestigationaluse. IFU-01017Rev1 2 Contents InstructionsforUse 1.Introduction3 2.DeviceDescription3 3.IntendedUse4 4.UseRequirementsandRestrictions4 4.1.Contraindications4 4.2.Warnings4 4.3.Precautions5 5.TechnicalDescription6 6.EyeDropBottleCompatibility6 7.ComponentsandImages7 7.1.ComponentList7 7.2.DeviceImages8 8.DeviceAssemblyandUsage9 8.1.UnpackingtheVSTracker9 8.2.Chargingthebattery9 8.3.SettinguptheVSTrackerSmartDroppermobilephoneapp10 8.4.Eyedropbottlesetup18 8.5.Turningthedeviceon20 8.6.Applyingeyedrops21 8.7.Aftereyedropapplicationiscomplete23 9.CleaningandMaintenance24 10.Troubleshooting24 11.EnvironmentalRestrictions26 12.Liability26 13.Disposition26 14.SymbolsandStandards27 14.1.Symbols27 14.2.Standards29 15.ContactInformation31 82.1802-000001 CAUTION-Investigationaldevice.LimitedbyUnitedStateslawtoinvestigationaluse. IFU-01017Rev1 3 1.Introduction TheTwenty/TwentyTherapeuticsVSTrackerisasingleuserhandheldmedicationreminderdeviceforeye dropapplication.Itshouldbeusedonlybyasingleuser,butthatusercanusethedevicemultipletimes.It maybeusedathomeandwork.Itworkswithavarietyofcommerciallyavailableover-the-counterand prescriptioneyedrops.TheVSTrackerdeviceworkswithacompanionmobileapp,calledVSTrackerthat isavailableontheAppleAppStoreandtheGooglePlayStore.Thedatacollectedfromthedeviceis presentedtotheuserviatheapp,andtheappalsoprovidespushnotificationstoremindtheuserwhenitis timetoapplyeyedrops. 2.DeviceDescription Thecompletesystemiscomprisedofthefollowingitems: ●Applicator ●Collar ●Charger(USB-C) ●VSTrackerMobilePhoneApp TheVSTrackerassistswithmanagingdailyeyedrops,providingareminderwhenitistimetoapplyeye drops(viaacompanionmobilephoneapp)aswellasbyassistingwithapplyingeyedrops.Itisableto communicatewithaniOSorAndroidsmartphoneviaBluetooth.Itincludesvarioussensorsandlight indicators(LEDs)toassisttheuserwithapplyingeyedrops.Itsupportsaselectedrangeofboth over-the-counterandprescriptioneyedropbottles. TheVSTrackerconsistsofaCollarandanApplicator.MultipleCollarsareprovidedtofitavarietyof medications(seesection6foreyedropbottlecompatibility).TheCollargoesaroundtheneckofaneye dropbottle,andthenitmagneticallyattachestotheApplicator.TheApplicatorcontainsthesensorsand LEDsthatprovideguidancetotheuserinapplyingeyedrops.OncetheCollarisattachedtotheApplicator, theusercanturnonthedevice,tilttheirheadback,placetheVSTrackerovertheeye,followtheLED indicatorstoadjustheadposition,andsqueezetheeyedropbottletodispenseeyedropstotheeye. ThecompanionappiseasytoinstalloncompatiblesmartphonesviatheAppleAppStoreortheGoogle PlayStore.Afteraquicksetupprocess,theappwillremindtheuserwhenitistimetoapplyeyedrops.It alsokeepstrackofthedropsappliedbytheuserandconvenientlydisplaysthatinformationtotheuserin theapp'smaindashboard. CAUTION-Investigationaldevice.LimitedbyUnitedStateslawtoinvestigationaluse. IFU-01017Rev1 4 3.IntendedUse TheVSTrackerisintendedtobeusedasahandheldmedicationreminderdeviceforeyedropapplication. Itsendsreminderstotheusertoapplyeyedrops(viaamobileapplication),providesguidancetotheuserto helpthemapplytheirdropssuccessfully,andtracksmedicationusageovertime.TheVSTrackermaybe usedwithprescriptionorover-the-countermedication. 4.UseRequirementsandRestrictions PriortooperatingtheVSTracker,carefullyreadtheseInstructionsForUse.Aswithallmedicaldevices,the properfunctionandsafeoperationofthisdevicedependsontheusercomplyingwithallsafetyinstructions describedinthisdocument. IfyouhaveproblemsusingtheVSTracker,pleaserefertotheContactInformationsectionneartheendof thisdocument. TheVSTrackerisintendedforhuman,personaluseonly. UsetheVSTrackeronlyforremindingandassistingtheuserwitheyedropsasdescribedinthisdocument. Themanufacturerisnotliableforanydamagearisingfromimproperuse,orfortheconsequencesofsuch use. DonotusetheVSTrackernearflammablesubstances,includingflammableanestheticagents. 4.1.Contraindications TheVSTrackermustnotbeusedbypatientswithconditionsthatwouldprecludesafeuseofthedevice, whichincludes:adultswithbalanceorcoordinationproblemsandpatientswithneck/shouldermotility difficultiesthatwouldprecludethemfromleaningback. 4.2.Warnings ●AlwaysusetheVSTrackerandaccessoriesinaccordancewiththedirectionscontainedinthis document. ●DonotusetheVSTrackerwhilestandingorwalking; ●Ensureyou'reseatedinastablechairthatallowssaferecliningwithoutriskoftippingover,or operatetheVStrackerwhileinasupineposition. ●VSTrackerisintendedforasingleuser.Sharingthedevicemayresultinanocularinfection. ●KeeptheVSTrackerandallrelatedcomponents(i.e.,Applicator,Charger,Collar)outofreachof childrenandpets.TheVSTrackercontainssmallpartsthatmaybeswallowed. CAUTION-Investigationaldevice.LimitedbyUnitedStateslawtoinvestigationaluse. IFU-01017Rev1 5 ●TheVSTrackershouldbeinspectedpriortoeachusetoensurethatitisfreefromanyforeign materialbeforeuse,andmustnotbeusedifdamagedordropped.IftheVSTrackerisdamagedor dropped,donotuseit.Contactthesponsor,refertotheContactInformationsectionfordetails. ●DonotusetheVSTrackerifitisdamagedorhasvisibledefects.Adamagedorcrackeddevicecan malfunctionorcreateanelectricalsafetyhazard.Donotuseittodelivereyedropswhileitis charging. 4.3.Precautions ●DonotexposetheVSTrackertoextremecoldorhottemperatures,highhumidity,ordirectsunlight. Storeanduseatroomtemperature. ●NeverimmersetheVSTrackerinliquid.Donotspray,pour,orspillliquidontheVSTracker,its button,orenclosure.DonotimmersetheVSTrackerinliquidswhilecharging. ●Enableapasscodeorbiometricsecurityonyoursmartphoneinordertoprotectdatastoredinthe VSTrackermobileapp. ●ApplyiOSandAndroidoperatingsystemupdatesonyoursmartphoneinatimelymannerinorderto maintainthesecurityofyourdata. CAUTION-Investigationaldevice.LimitedbyUnitedStateslawtoinvestigationaluse. IFU-01017Rev1 6 5.TechnicalDescription ProductNameComponents DimensionLength:54.2mm±5%,Width:63.3mm±5%,Height: 59.6mm±5% Weight<90g Power…

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TwentyTwentyTherapeuticsLLC 259EGrandAveSouthSanFrancisco,CA94080UnitedStates Date:10/6/2023 FederalCommunicationsCommissions AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 RE:CFR47§2.911(d)(7)FCCUSAgentLetterofAttestation FCCID:2AFB3-VSTRACKER100 GranteeFRN:0024731028 Towhomitmayconcern: FCCUSAgent AgentCompanyName:TwentyTwentyTherapeuticsLLC FCCFRN:0032711913 AgentContactName:DrBenCostello AgentUSAddress:259EGrandAveSouthSanFrancisco,CA94080UnitedStates AgentEmailAddress:[email protected] ThisletteristoconfirmthatwehaveacceptedtheresponsibilitytoactasUSAgentonbehalf ofMedimagingIntegratedSolutionInc.(“theapplicant”)fortheabovereferencedFCCID. Weareawareoftherequirementsandresponsibilitiesoftheapplicant’sagentforserviceof processasoutlinedintheFCCsection2.911(d)(7)andReportandOrderFCC22-84 paragraph63. Sincerely, DrBenCostello C.O.O. TwentyTwentyTherapeuticsLLC DocuSign Envelope ID: 6DECC96A-842C-4D93-82BB-4CA68E347844

Test report No. : 4790935379-EP Page : 1 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Product Photos External Photos Group Pic 1 Test report No. : 4790935379-EP Page : 2 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Outview: VS Tracker 100 Pic 1 Outview: VS Tracker 100 Pic 2 Test report No. : 4790935379-EP Page : 3 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Outview: VS Tracker 100 Pic 3 Outview: VS Tracker 100 Pic 4 Test report No. : 4790935379-EP Page : 4 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Outview: VS Tracker 100 Pic 5 Outview: VS Tracker 100 Pic 6 Test report No. : 4790935379-EP Page : 5 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Outview: VS Tracker 100 Pic 7 Outview: VS Tracker 100 Pic 8 Test report No. : 4790935379-EP Page : 6 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Outview: VS Tracker 100 Pic 9 Test report No. : 4790935379-EP Page : 7 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Accessory: Adapter Pic 1 Accessory: Adapter Pic 2 Test report No. : 4790935379-EP Page : 8 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Accessory: Adapter Pic 3 Accessory: Adapter Pic 4 Test report No. : 4790935379-EP Page : 9 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Accessory: Collar Pic 1 Accessory: Collar Pic 2 Test report No. : 4790935379-EP Page : 10 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Accessory: Collar Pic 3 Accessory: Collar Pic 4 Test report No. : 4790935379-EP Page : 11 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Accessory: Collar Pic 5 Accessory: Collar Pic 6 Test report No. : 4790935379-EP Page : 12 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Accessory: Collar Pic 7 Accessory: Collar Pic 8

Device label x2 25x7mm 25x7mm Device label location Without collar With collar

Test report No. : 4790935379-EP Page : 13 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Internal Photos VS Tracker 100 Pic 1 VS Tracker 100 Pic 2 Test report No. : 4790935379-EP Page : 14 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 3 VS Tracker 100 Pic 4 Test report No. : 4790935379-EP Page : 15 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 5 VS Tracker 100 Pic 6 Test report No. : 4790935379-EP Page : 16 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 7 VS Tracker 100 Pic 8 Test report No. : 4790935379-EP Page : 17 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 9 VS Tracker 100 Pic 10 Test report No. : 4790935379-EP Page : 18 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 11 VS Tracker 100 Pic 12 Test report No. : 4790935379-EP Page : 19 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 13 VS Tracker 100 Pic 14 Test report No. : 4790935379-EP Page : 20 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 15 VS Tracker 100 Pic 16 Test report No. : 4790935379-EP Page : 21 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 17 VS Tracker 100 Pic 18 Test report No. : 4790935379-EP Page : 22 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 19 VS Tracker 100 Pic 20 Test report No. : 4790935379-EP Page : 23 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 21 VS Tracker 100 Pic 22 Test report No. : 4790935379-EP Page : 24 of 24 Issued date : Oct. 6, 2023 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 VS Tracker 100 Pic 23 VS Tracker 100 Pic 24

Test report No.: 4790935379-US-R1-V1 Page: 1 of 12 Issued date: 2023/11/7 FCC ID : 2AFB3-VSTRACKER100 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX) :+886-3-583-7948 Doc No: Form-ULID-004725 (DCS:17-EM-F0864) / 5.1 Maximum Permissible Exposure Report Product : VS Tracker Model Name : VS Tracker 100 FCC ID : 2AFB3-VSTRACKER100 Test Regulation : 47 CFR FCC Part 2.1093 Received Date : 2023/7/26 Test Date : 2023/8/18 ~ 2023/8/25 Issued Date : 2023/11/7 Applicant : Medimaging Integrated Solution Inc. 3F., No.24-2, Industry E. Rd. IV, Hsinchu Science Park, Hsinchu, Taiwan 30077, R.O.C. Issued By : Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report are responsible of the test sample(s) provided by the client only and are not to be used to indicate applicability to other similar products. Test report No.: 4790935379-US-R1-V1 Page: 2 of 12 Issued date: 2023/11/7 FCC ID : 2AFB3-VSTRACKER100 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX) :+886-3-583-7948 Doc No: Form-ULID-004725 (DCS:17-EM-F0864) / 5.1 REVISION HISTORY Original Test Report No.: 4790935379-US-R1-V 1 Revision Test report No. Date Page revised Contents Original 4790935379-US-R1-V0 2023/10/4 - Initial issue V1 4790935379-US-R1-V1 2023/11/7 12 Address TCB 1 st comment Test report No.: 4790935379-US-R1-V1 Page: 3 of 12 Issued date: 2023/11/7 FCC ID : 2AFB3-VSTRACKER100 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX) :+886-3-583-7948 Doc No: Form-ULID-004725 (DCS:17-EM-F0864) / 5.1 Table of Contents 1. Attestation of Test Results ......................................................................................... 4 2. Test Methodology and Reference Procedures .......................................................... 5 3. Facilities and Accreditation ....................................................................................... 5 4. Equipment Under Test ............................................................................................... 6 4.1. Description of EUT .............................................................................................. 6 4.2. Description of Available Antennas ....................................................................... 8 5. Requirement ................................................................................................................ 9 6. General RF Exposure Test Exemption ................................................................... 10 7. Radio Frequency Radiation Exposure Evaluation ................................................ 12 Test report No.: 4790935379-US-R1-V1 Page: 4 of 12 Issued date: 2023/11/7 FCC ID : 2AFB3-VSTRACKER100 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX) :+886-3-583-7948 Doc No: Form-ULID-004725 (DCS:17-EM-F0864) / 5.1 1. Attestation of Test Results APPLICANT: Medimaging Integrated Solution Inc. 3F., No.24-2, Industry E. Rd. IV, Hsinchu Science Park, Hsinchu, Taiwan 30077, R.O.C. MANUFACTURER: Medimaging Integrated Solution Inc. 3F., No.24-2, Industry E. Rd. IV, Hsinchu Science Park, Hsinchu, Taiwan 30077, R.O.C. EUT DESCRIPTION: VS Tracker BRAND: MODEL: VS Tracker 100 SAMPLE STAGE: Pilot-run Verification Test sample APPLICABLE STANDARDS STANDARD Test Results 47 CFR FCC Part 2.1093 PASS Underwriters Laboratories Taiwan Co., Ltd. tested the above equipment in accordance with the requirements set forth in the above standards. All indications of Pass/Fail in this report are opinions expressed by Underwriters Laboratories Taiwan Co., Ltd. based on interpretations and/or observations of test results. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Note: The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. This document may not be altered or revised in any way unless done so by Underwriters Laboratories Taiwan Co., Ltd. and all revisions are duly noted in the revisions section. Any alteration of this document not carried out by Underwriters Laboratories Taiwan Co., Ltd. will constitute fraud and shall nullify the document. This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, any agency of the Federal Government, or any agency of any government. Prepared By: Approved and Authorized By: Sally Lu Date : 2023/11/7 Eric Lee Date : 2023/11/7 Project Handler Senior Laboratory Engineer Test report No.: 4790935379-US-R1-V1 Page: 5 of 12 Issued date: 2023/11/7 FCC ID : 2AFB3-VSTRACKER100 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX) :+886-3-583-7948 Doc No: Form-ULID-004725 (DCS:17-EM-F0864) / 5.1 2. Test Methodology and Reference Procedures The tests documented in this report were performed in accordance with KDB 447498 D04 Interim General RF Exposure Guidance v01. 3. Facilities and Accreditation Test Location Underwriters Laboratories Taiwan Co., Ltd. Address Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudon…

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7layers GmbH Geschäft sführer/ Borsigstraße 11 Managing Directors: Registergericht/registered: a Bureau Veritas 40880 Ratingen, Germany Frank Spiller Düsseldorf HRB 75554 Group Company T +49 (0) 2102 749 0 Bernhard Retka USt-Id. -Nr./VAT-No. DE203159652 F +49 (0) 2102 749 350 Alexandre Norré-Oudard Steuer-Nr./TAX-No. 147/5869/0385 www.7layers.com Commerzbank AG Account No. 303 016 000 Bank Code 300 400 00 IBAN DE81 3004 0000 0303 0160 00 Swift Code COBADEFF Antenna Pattern Measurement Test Report for Proteus-III & Thyone-I 26 11 01 102 xxxx R eport Reference: MDE_WUERTH_1901_OTA01 Date: 10.10.2019 Test Laboratory: 7layers GmbH Borsigstrasse 11 40880 Ratingen Germany Note: The following test results relate only to the devices specified in this document. This report shall not be reproduced in parts without the written approval of the test laboratory. MDE_WUERTH_1901_OTA01 Page 2 of 14 Content: 1 TEST LAB DECLARATION 3 2 SIGNATURES 3 3 PROJECT AND RESULT SUMMARY 4 4 BRIEF DESCRIPTION OF SETTINGS AND TEST METHOD 5 4.1 References and Standards Used 5 4.2 Test Procedure TRP 5 4.3 Definitions 6 4.4 Measurement uncertainties 7 5 DETAILED RADIATED TEST RESULTS AND PATTERN 8 5.1 Equipment List 8 5.2 Radiation Pattern TRP Bluetooth LE 2402 MHz 9 5.3 Radiation Pattern TRP Bluetooth LE 2440 MHz 11 5.4 Radiation Pattern TRP Bluetooth LE 2480 MHz 13 MDE_WUERTH_1901_OTA01 Page 4 of 14 3 Project and Result Summary DUT Proteus-III & Thyone-I OUT Code Radiated Sample: DE1387000aa01 Conducted Sample: DE1387000af01 Tes t la b 7layers GmbH Borsigstr. 11 40880 Ratingen Germany Set up free space Test start 19.09.2019 Customer Würth Elektronik eiSos GmbH & Co. KG Max-Eyth-Straße 1 74638 Waldenburg Report date 10.10.2019 Report by Dieter Sütthoff Approved by Robert Machulec Bluetooth LE RMS Detector Modulated2402 MHz2440 MHz2480 MHz Antenna Port Input Power (EUT Conducted Sample)6.25.75.3 Tot. Rad. Pwr. (dBm)0.30.8-1.3 Peak EIRP (dBm)3.64.12.5 Directivity (dBi)3.33.33.7 Efficiency (dB)-5.9-4.9 -6.6 Efficiency (%) 263322 Gain (dBi)-2.6-1.6 -2.8 Tab. 1: Test result summary Bluetooth Fig. 1: Photo of DUT (left picture: radiated set up, right picture: conducted test set up). MDE_WUERTH_1901_OTA01 Page 5 of 14 4 Brief Description of Settings and Test Method 4.1 References and Standards Used [1] CTIA: “Test Plan for Wireless Device Over the Air Performance”, Revision Number 3.8.2, 0 4/2019. [2] 7 layers document: “7 layers Germany OTA Measurement Uncertainties”, Version March 2019. 4.2 Test Procedure TRP The method of measurement for radiated RF power based on the principals of the test standard CTIA: “Test Plan for Mobile Station Over the Air Performance” [2]. In general, the following approach is applied for TRP measurements: • For TRP measurement put OUT in a mode where it is transmitting periodical RF energy. • Rotate the EUT in all room directions with an angle grid of 15°. • Gather power data for both, vertical and horizontal polarization. • Calculate total radiated power by integrating over the whole sphere as outlined in [2]. The test setup was pl aced at the turning device inside a fully anechoic chamber. The object under test (OUT) was set to transmit permanently signal on specific frequencies The total radiated power (TRP) of the test setup was measured in all angle direction (3D) using a step width of <= 15° and using two measurement antenna polarizations (vertical and horizontal). Fig. 1: Bloc k diagram for TRP measurement MDE_WUERTH_1901_OTA01 Page 6 of 14 4.3 Definitions 3GPP 3 rd Generation Partnership Project BER Bit error rate or bit error ratio BS Base station CTIA Cellular Telecommunications & Internet Association DUT Device under test FS Free space TP Talk position (phone is situated at SAM = human head phantom) TRP Total Radiat ed Power EI RP Effective Isotropic Radiated Power TRS Total Radiated Sensitivity (same as TIS in CTIA), loss of link level EIRS Effective Isotropic Radiated Sensitivity MDE_WUERTH_1901_OTA01 Page 7 of 14 4.4 Measurement uncertainties Maxim Values OTA lab at 7layers Germany [2] TRP Free space ±1.7 dB Standard specific table with the measurement uncertainties of the used parameters The measurement uncertainties for all parameters are calculated with an expansion factor (coverage factor) k = 1.96. This means, that the true value is in the corresponding interval with a probability of 95 %. The verdicts in this test report are given according the above diagram: Case Measured Value Uncertainty Range Verdict 1 below pass mark below pass mark Passed 2 below pass mark within pass mark Passed 3 above pass mark within pass mark Failed 4 above pass mark above pass mark Failed That means, the laboratory applies, as decision rule (see ISO/IEC 17025:2017), the so called shared risk principle. MDE_WUERTH_1901_OTA01 Page 8 of 14 5 Detailed Radiated Test Results and Pattern 5.1 Equipment List For TRP measurements: Antenna: Dual polarized horn ETS3164-03 by ETS SN 00052619 Receiver: FSP3 spectrum analyzer by R&S for 2.4 GHz SN 838164/004 Orientation of EUT compared to a standard device For orientation of the EUT in the result pictures below the following photos illustrate the used orientation compared to a standard device: Fig. 2: Photo orientation of DUT compared to a phone. MDE_WUERTH_1901_OTA01 Page 9 of 14 5.2 Radiation Pattern TRP Bluetooth LE 2402 MHz Power (dBm) -8 4 -6 -4 -2 0 2 Z Y X Azi muth = 90. 0 Elevation = 0.0 Roll = -90.0 Power (dBm) -8 4 -6 -4 -2 0 2 Y Z X Azi muth = 90. 0 El evati on = 70. 0 Roll = -90.0 MDE_WUERTH_1901_OTA01 Page 10 of 14 Power (dBm) -8 4 -6 -4 -2 0 2 Y X Z Azi muth = -90. 0 Elevation = 0.0 Roll = -20.0 Power (dBm) Phi Angle (°) Scale: 1/div Min: -5 Max: 1 0 180 30 210 60 240 90 270 120 300 150 330 Theta = 90° Fig. 3: 2402 MHz 3D Radiated pattern orientation of DUT compared to a phone. MDE_WUERTH_1901_OTA01 Page 11 of 14 5.3 Radiation Pattern TRP Bluetooth LE 2440 MHz Power (dBm) -8 6 -6 -4 -2 0 2 4 Z Y X Azi muth = 90. 0 Elevation = 0.0 Roll = -90.0 Power …

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Test report No.: 4790935379-US-R0-V1 Page: 1 of 50 Issued dat: 2023/11/7 FCC ID: 2AFB3-VSTRACKER100 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Doc No: Form-ULID-004737 (DCS:17-EM-F0876) / 6.1 RADIO TEST REPORT Product : VS Tracker Model Name : VS Tracker 100 FCC ID : 2AFB3-VSTRACKER100 Test Regulation : FCC 47 CFR Part 15 Subpart C (Section 15.247) Received Date : 2023/7/26 Test Date : 2023/8/18 ~ 2023/11/7 Issued Date : 2023/11/7 Applicant : Medimaging Integrated Solution Inc. 3F., No.24-2, Industry E. Rd. IV, Hsinchu Science Park, Hsinchu, Taiwan 30077, R.O.C. Issued By : Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report are responsible of the test sample(s) provided by the client only and are not to be used to indicate applicability to other similar products. Test report No.: 4790935379-US-R0-V1 Page: 2 of 50 Issued dat: 2023/11/7 FCC ID: 2AFB3-VSTRACKER100 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Doc No: Form-ULID-004737 (DCS:17-EM-F0876) / 6.1 REVISION HISTORY Original Test Report No.: 4790935379-US-R0-V1 Revision Test report No. Date Page revised Contents Original 4790935379-US-R0-V0 2023/10/4 - Initial issue V1 4790935379-US-R0-V1 2023/11/7 1, 4, 8, 11, 20, 21, 23, 25, 26, 28~30 Address TCB 1st comment Test report No.: 4790935379-US-R0-V1 Page: 3 of 50 Issued dat: 2023/11/7 FCC ID: 2AFB3-VSTRACKER100 Underwriters Laboratories Taiwan Co., Ltd. Building A, B and E, No. 372-7, Sec. 4, Zhongxing Rd., Zhudong Township, Hsinchu County, Taiwan Telephone :+886-2-7737-3000 Facsimile (FAX ) :+886-3-583-7948 Doc No: Form-ULID-004737 (DCS:17-EM-F0876) / 6.1 Table of Contents 1. Attestation of Test Results ............................................................................................. 4 2. Summary of Test Results ............................................................................................... 5 3. Test Methodology and Reference Procedures ............................................................ 6 4. Facilities and Accreditation ........................................................................................... 6 5. Measurement Uncertainty ............................................................................................. 7 6. Equipment under Test ................................................................................................... 8 6.1. Description of EUT ............................................................................................. 8 6.2. Channel List .......................................................................................…

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