2BWKK-GB710012GBPUSH

GBPUSHProductManual ProductNameandModelNumber:GBPUSH-710012 FCCPart15Certified|Non-weatherproofed|Indoor-OnlyUse 1.ProductOverview TheGBPUSHisaretrofitsmartswitchthatreplacestraditionalgaragedoorpushbuttons.It integrateswithexistinggaragesystemsviaBLE-enabledmobileappswhilemaintaining mechanicalreliability.Nointernalwiringmodificationsarerequiredtoexistinggaragedoor openers—simplyrepurposethestandardpushbuttoncircuit. KeyFeatures ✅Dual-connectordesign:Workswithstandardgaragedooropenerwiring(noadapter needed). ✅App-controlledrelay:TriggersgaragedooroperationviaBluetooth6.0 (iOS/Android). ✅Passiveoperation:GaragebuttonworksevenwhenGBPUSHisunpowered(fallback tohardwiredfunctionality).  ✅Compactenclosure:PC/ABShybridcasing(designedforindooruseonly). 2.Safety&ImportantWarnings ⚠CRITICAL:ElectricalSafety  PowerSource:Operatessolelyon5.0VDCviaUSB-C(nodatatransfer).Neverattempt toconnecttoACmainspower.  NoWeatherproofing:Notforoutdoor/garageexposure(e.g.,rain,humidity>80%). Damagefromenvironmentalfactorsvoidswarranty. FallbackFunctionality:Thephysicalbuttonalwaysworkswhenpressedifwiresare securedinconnectors,evenifthedeviceisunpowered(preventstotallossofcontrol). ⚠InstallationSafety LockingMechanism:Theleversontheheadersmustbefullydepresseddownwardto lockinthewires. WireHandling:Ensurewiresaresecuredtightlyatbothconnectors.Loosewiringmay causearcingortemporarydisconnects. Positioning:Positionwithin12"ofthegarageopener.Avoidmetalobstructionsnear theantenna. 3.InstallationGuide ToolsRequired  Wirestripper(forstandard18-22AWGwires) Step-by-StepProcedure 1.PowerOff:Disconnectpoweratthegarageopener’sjunctionbox. 2.IdentifyConnectors:SincethetwoGBPUSHheadersareinterchangeable,selectwhich headerwillbePortAandwhichheaderwillbePortB.  PortA:Standardgaragepushbuttonwiring.Connectthetwowiresfromthe existinggaragebuttondirectlytoPortA.  PortB:Standardgarageopenerwiring.Connectthetwowirestothesamecircuit onthegarageopenerthatthebuttonwouldnormallyconnectto. 3.WireConnections:GBPUSHshouldbeinserted“inline”withexistingwiring.  Cut/stripwiresasneededinordertoinsertGBPUSHinlinewithexistingwiring.  WireconnectionsaccordingtoPortAandPortBdefinitionsabove. 4.SecureConnections:Fullydepressleversonheadersdownwardtolockinwires.Follow instructionsforgarageopenertosecurewirestogarageopener. 5.PowerOn:Reconnectjunctionboxpower.TheGBPUSHwillself-initializein<5seconds. 6.PairApptoDevice:Followtheapppairingproceduretopairwiththedevice. Whybothbuttonswork? TheGBPUSHduplicatesthephysicalbutton’ssignalinternally.Pressingthegaragebuttonorthe GBPUSHrelaybothtriggertheopener—nointernalrewiringneeded. 4.Troubleshooting IssueSolution GarageButtondoesn’tactivate1.VerifywiresaretightGBPUSHheadersandongarageopener. Relayfailstolock 1.Confirmleverisfullydepressed. 2.Checkformoistureinenclosure(unlikelyindoors). Appconnectionfails 1.Forgetdevice(Devices>“ForgetDevice”). 2.Followapppairingproceduretore-pairwiththedevice. 3.UpdatedevicefirmwareviaOTA(Settings>"FirmwareUpdate"). 5.Maintenance&Support  FirmwareUpdates:Automaticviaapp.  Contact:[email protected] FCCComplianceStatement Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions: (1)thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptany interferencereceived,includinginterferencethatmaycauseundesiredoperation. CAUTION:Thegranteeisnotresponsibleforanychangesormodificationsnotexpressly approvedbythepartyresponsibleforcompliance.Suchmodificationscouldvoidtheuser’s authoritytooperatetheequipment. NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigital device,pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonable protectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates, uses,andcanradiateradiofrequencyenergy,andifnotinstalledandusedinaccordancewith theinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisno guaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoes causeharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturning theequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneor moreofthefollowingmeasures: –Reorientorrelocatethereceivingantenna. –Increasetheseparationbetweentheequipmentandreceiver. –Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. –Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Thisequipmenthasbeentestedandmeetsapplicablelimitsforradiofrequency(RF)exposure.

Cercore LLC 455 Swiftside Drive Cary, NC 27518 Date: 08/10/26 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BWKK-GB710012 Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) Part 2.911(d)(5)(i) Cercore LLC certifies that the equipment for which authorization is sought is not “covered” equipment and does not contain anti-virus software or cybersecurity software prohibited from receiving an equipment authorization pursuant to 47 CFR 2.903, KDB 986446 D01 Covered Equipment Guidance, and FCC Covered List (www.fcc.gov/supplychain/coveredlist). Part 2.911(d)(5)(ii) Cercore LLC certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Signature: David Newcomb CTO

Cercore LLC 455 Swiftside Drive Cary, NC 27518 Date: 08/10/26 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BWKK-GB710012 FRN: 0038527578 US Agent – Attestation Statement / Part 2.911(d)(7) To whom it may concern, Cercore LLC (“the applicant”) certifies that, as of the date of the filing of the application, Cercore LLCis our designated U.S. agent for service of process for the above referenced FCC ID. Cercore LLCaccepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Cercore LLCaccepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: Cercore LLC FRN: 0038527578 Address: 455 Swiftside Drive, Cary, NC 27518 Contact Person: David Newcomb Tel.: (919) 697-1319 Email: [email protected] Sincerely, Company: Cercore LLC Designated Agent: Cercore LLC Company Representative: David Newcomb Designated Agent Representative: David Newcomb Signature: Signature: David NewcombDavid Newcomb

Cercore LLC 455 Swiftside Drive Cary, NC 27518 Date: 08/10/26 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BWKK-GB710012 Confidentiality Request To whom it may concern, Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of the information accompanying this application as outlined below: ☒Block Diagram ☐Tune-Up Information ☒Operational Description ☐Security Information ☒Schematics ☐Software Defined Radio (SDR) Information ☒Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Signature: David Newcomb CTO

Cercore LLC 455 Swiftside Drive Cary, NC 27518 Date: 08/10/26 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BWKK-GB710012 Declaration of Authorization To whom it may concern, I, the undersigned, hereby authorize, Jandy So, of Waltek Testing Group (Shenzhen) Co., Ltd., (WALTEK) to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Jandy So, of Waltek Testing Group (Shenzhen) Co., Ltd., (WALTEK) on our behalf shall have the same effects as acts of our own. I, the undersigned, hereby certify that we are not 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 853(a). This authorization is valid until further written notice from the applicant. Sincerely, Signature: David Newcomb CTO

ReferenceNo.:WTX26X06162149WPage2of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EXHIBIT2-EUTEXTERNALPHOTOGRAPHS EUTView1 EUTView2 ReferenceNo.:WTX26X06162149WPage3of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EUTView3 EUTView4 ReferenceNo.:WTX26X06162149WPage4of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EUTView5 EUTView6 ReferenceNo.:WTX26X06162149WPage5of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EUTView7

ReferenceNo.:WTX26X06162149WPage1of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT1-PRODUCTLABELING ProposedFCCIDLabelFormat ProposedLabelLocationonEUT FCCIDLabel Location

ReferenceNo.:WTX26X06162149WPage6of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EXHIBIT3-EUTINTERNALPHOTOGRAPHS EUTHousingand BoardView1 Solder Board-Component View1 ReferenceNo.:WTX26X06162149WPage7of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn Solder Board-Component View2 ReferenceNo.:WTX26X06162149WPage8of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn AntennaView LEAntenna

WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn RFEXPOSUREREPORT ReferenceNo.......................:WTX26X06162149W002 FCCID....................................:2BWKK-GB710012 Applicant...............................:CercoreLLC Address.................................:455SwiftsideDrive,Cary,NC27518 Manufacturer........................:ThesameasApplicant Address ................................. :ThesameasApplicant ProductName......................:GBPUSH ModelNo... ............................ :710012 Standards..............................: FCCRulePart1.1307 KDB447498D01v06 DateofReceiptsample ..... :2026-06-05 DateofTest...........................:2026-06-09to2026-06-27 DateofIssue ........................ :2026-07-03 ReportFormNo................... : WTX_Part1_1307W Result.....................................:Pass Remarks: Theresultsshowninthistestreportreferonlytothesample(s)tested,thistestreportcannotbe reproduced,exceptinfull,withoutpriorwrittenpermissionofthecompany.Thereportwouldbeinvalidwithout specificstampoftestinstituteandthesignaturesofapprover. PreparedBy: WaltekTestingGroup(Shenzhen)Co.,Ltd. Address:1/F.,Room101,Building1,HongweiIndustrialPark,Liuxian2ndRoad, Block70Bao'anDistrict,Shenzhen,Guangdong,China Tel.:+86-755-33663308Fax.:+86-755-33663309Email:[email protected] Testedby:Approvedby: MikeShi/ProjectEngineerJasonSu/Manager WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn 1GeneralInformation GeneralDescriptionofEUT ProductName:GBPUSH TradeName/ ModelNo.:710012 AddingModel(s):/ RatedVoltage:DC1.5*3”AAA” PowerAdapter:/ EquipmentType:Portabledevice TechnicalCharacteristicsofEUT BluetoothVersion:V5.0(LEmode) FrequencyRange:2402-2480MHz RFOutputPower: 1Mbps:8.21dBm(Conducted) 2Mbps:8.22dBm(Conducted) DataRate:1Mbps,2Mbps Modulation:GFSK QuantityofChannels:40 ChannelSeparation:2MHz TypeofAntenna:ChipAntenna AntennaGain:2dBi 2TestFacility Addressofthetestlaboratory Laboratory:WaltekTestingGroup(Shenzhen)Co.,Ltd. Address:1/F.,Room101,Building1,HongweiIndustrialPark,Liuxian2ndRoad,Block70Bao'anDistrict, Shenzhen,Guangdong,China FCC–RegistrationNo.:125990 WaltekTestingGroup(Shenzhen)Co.,Ltd.EMCLaboratoryhasbeenregisteredandfullydescribedina reportfiledwiththeFCC(FederalCommunicationsCommission).TheacceptanceletterfromtheFCCismain tainedinourfiles.TheDesignationNumberisCN5010,andTestFirmRegistrationNumberis125990. IndustryCanada(IC)RegistrationNo.:11464A The3mSemi-anechoicchamberofWaltekTestingGroup(Shenzhen)Co.,Ltd.hasbeenregisteredby CertificationandEngineeringBureauofIndustryCanadaforradioequipmenttestingwithRegistrationNo.: 11464AandtheCABidentifierisCN0057. WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn 3RFExposureExemption AccordingtotheKDB447498D01v06section4.3.1,for100MHzto6GHzandtestseparationdistances≤50 mm,the1-gand10-gSARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f(GHz)]≤ 3.0for1-gSARand≤7.5for10-gextremitySAR,where -f(GHz)istheRFchanneltransmitfrequencyinGHz -PoweranddistanceareroundedtothenearestmWandmmbeforecalculation -Theresultisroundedtoonedecimalplaceforcomparison 4CalculatedResult Txfrequencyrange:2402-2480MHz Min.testseparationdistance:5mm MaximumConductedOutputPower:8.22dBm Tune-Upoutputpower:9.0dBm RFchanneltransmitfrequency:2402MHz Result:2.46 Limit:3.0 Theexclusionthresholdsis2.46<3,sothetransmittercomplieswiththeRFexposurerequirementsandthe SARisnotrequired.

WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 1 of 67 TESTREPORT ReferenceNo.......................:WTX26X06162149W001 FCCID....................................:2BWKK-GB710012 Applicant...............................:CercoreLLC Address.................................:455SwiftsideDrive,Cary,NC27518 Manufacturer........................:ThesameasApplicant Address.................................:ThesameasApplicant ProductName......................:GBPUSH ModelNo...............................:710012 Standards..............................:FCCPart15.247 DateofReceiptsample .....: 2026-06-05 DateofTest...........................:2026-06-09to2026-06-27 DateofIssue ........................: 2026-07-03 TestReportFormNo.......... : WTX_Part15_247W TestResult............................:Pass Remarks: Theresultsshowninthistestreportreferonlytothesample(s)tested,thistestreportcannotbe reproduced,exceptinfull,withoutpriorwrittenpermissionofthecompany.Thereportwouldbeinvalidwithout specificstampoftestinstituteandthesignaturesofapprover. PreparedBy: WaltekTestingGroup(Shenzhen)Co.,Ltd. Address:1/F.,Room101,Building1,HongweiIndustrialPark,Liuxian2ndRoad, Block70Bao'anDistrict,Shenzhen,Guangdong,China Tel.:+86-755-33663308Fax.:+86-755-33663309Email:[email protected] Testedby:Approvedby: MikeShi/ProjectEngineerJasonSu/Manager ReferenceNo.:WTX26X06162149W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 2 of 67 TABLEOFCONTENTS 1.GENERALINFORMATION............................................................................................................................4 1.1PRODUCTDESCRIPTIONFOREQUIPMENTUNDERTEST(EUT)....................................................................4 1.2TESTSTANDARDS.......................................................................................................................................5 1.3TESTMETHODOLOGY..................................................................................................................................5 1.4TESTFACILITY............................................................................................................................................5 1.5EUTSETUPANDTESTMODE.....................................................................................................................6 1.6MEASUREMENTUNCERTAINTY.....................................................................................................................7 1.7TESTEQUIPMENTLISTANDDETAILS...........................................................................................................8 2.SUMMARYOFTESTRESULTS.................................................................................................................12 3.ANTENNAREQUIREMENT.........................................................................................................................13 3.1STANDARDAPPLICABLE............................................................................................................................13 3.2EVALUATIONINFORMATION........................................................................................................................13 4.POWERSPECTRALDENSITY...................................................................................................................14 4.1STANDARDAPPLICABLE............................................................................................................................14 4.2TESTSETUPBLOCKDIAGRAM...................................................................................................................14 4.3TESTPROCEDURE....................................................................................................................................14 4.4SUMMARYOFTESTRESULTS/PLOTS.........................................................................................................14 5.DTSBANDWIDTH.......................................................................................................................................15 5.1STANDARDAPPLICABLE............................................................................................................................15 5.2TESTSETUPBLOCKDIAGRAM...................................................................................................................15 5.3TESTPROCEDURE....................................................................................................................................15 5.4SUMMARYOFTESTRESULTS/PLOTS.........................................................................................................15 6.RFOUTPUTPOWER...................................................................................................................................16 6.1STANDARDAPPLICABLE............................................................................................................................16 6.2TESTSETUPBLOCKDIAGRAM...................................................................................................................16 6.3TESTPROCEDURE....................................................................................................................................16 6.4SUMMARYOFTESTRESULTS/PLOTS.........................................................................................................16 7.FIELDSTRENGTHOFSPURIOUSEMISSIONS.......................................................................................17 7.1STANDARDAPPLICABLE............................................................................................................................17 7.2TESTPROCEDURE....................................................................................................................................17 7.3CORRECTEDAMPLITUDE&MARGINCALCULATION....................................................................................19 7.4SUMMARYOFTESTRESULTS/PLOTS..................................................…

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ReferenceNo.:WTX26X06162149W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 60 of 67 TestGraphs LE_1M-Ant1-2402-30~1000-PASS LE_1M-Ant1-2402-1000~26500-PASS LE_1M-Ant1-2440-30~1000-PASS ReferenceNo.:WTX26X06162149W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 61 of 67 LE_1M-Ant1-2440-1000~26500-PASS LE_1M-Ant1-2480-30~1000-PASS LE_1M-Ant1-2480-1000~26500-PASS ReferenceNo.:WTX26X06162149W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 62 of 67 LE_2M-Ant1-2402-30~1000-PASS LE_2M-Ant1-2402-1000~26500-PASS LE_2M-Ant1-2440-30~1000-PASS ReferenceNo.:WTX26X06162149W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 63 of 67 LE_2M-Ant1-2440-1000~26500-PASS LE_2M-Ant1-2480-30~1000-PASS LE_2M-Ant1-2480-1000~26500-PASS ReferenceNo.:WTX26X06162149W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 64 of 67 AppendixG:DutyCycle TestResult TestModeAntenna Frequency [MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] LE_1MAnt124020.400.6363.491.97 LE_1MAnt124400.400.6363.491.97 LE_1MAnt124800.390.6262.902.01 LE_2MAnt124020.210.6233.874.70 LE_2MAnt124400.210.6233.874.70 LE_2MAnt124800.210.6333.334.77 ReferenceNo.:WTX26X06162149W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 65 of 67 TestGraphs NTNV-LE_1M-Ant1-2402 NTNV-LE_1M-Ant1-2440 NTNV-LE_1M-Ant1-2480 ReferenceNo.:WTX26X06162149W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 66 of 67 NTNV-LE_2M-Ant1-2402 NTNV-LE_2M-Ant1-2440 NTNV-LE_2M-Ant1-2480 ReferenceNo.:WTX26X06162149W001 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cnPage 67 of 67 APPENDIXPHOTOGRAPHS Pleasereferto“ANNEX” *****ENDOFREPORT*****

2.45 GHz SMD Chip Antenna, AEC-Q200 QualifiedP/N 2450AT43A100E-AEC Detail Specification: Page 1 of 8 *Efficiency measured on Johanson Evaluation Board L±± W±± T a±± https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 Ver. 2.0 2022 Johanson Technology, Inc. All Rights Reserved 1,000 +5 to +35°C Humidity 45 - 75% RH 18 months max. -40 to +105°C Mounting Style Layout #1: VerticalLayout #2: Horizontal 2.0 typ. (XZ-V) 1.0 typ. (XZ-V) 86% Average 9.5 min. 2 max. (CW) 50 2.0 typ. (XZ-V) 0.5 typ. (XZ-V) 75% Average Part Number Explanation 100% Tin P/N Suffix Packing Style Evaluation Board e.g. 2450AT43A100S-AEC e.g. 2450AT43A100E-AEC e.g. 2450AT43A100(E or S)-AEC No. 1 2 Function RF Feeding Point NC Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. High Frequency Ceramic Solutions 8/10/2022 Part Number Frequency Range (MHz)2400 - 2500 2450AT43A100E-AEC General Specifications In 7.00 2.00 +.004 / -.0080.031 0.20 0.20 +0.10 / -0.20 0.30 Bulk (loose pcs) T & R Layout Recommendation #1: Vertical Mounting - 2450AT43A100-EB1SMA, see page 2 Layout Recommendation #2: Horizontal Mounting - 2450AT43A100-EB2SMA, see page 5 Mechanical DimensionsTerminal Configuration 0.80 0.50 Return Loss (dB) Impedance (Ω) Input Power (W) Operating Temperature Recommended Storage Conditions and Period for unused T&R Product Reel Quantity (pcs/reel) 0.0200.012 0.008 0.008 0.276 0.079 Suffix = None mm Suffix = S Suffix = E Radiated Efficiency* Peak Gain (dBi) Average Gain (dBi) Top View Side View   a T L W Top Bottom 2.45 GHz SMD Chip Antenna, AEC-Q200 QualifiedP/N 2450AT43A100E-AEC Detail Specification: Page 2 of 8 * This 50ohm trace to the antenna can be shorten (considerably) to suit your PCB space constraints https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 Ver. 2.0 2022 Johanson Technology, Inc. All Rights Reserved Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. High Frequency Ceramic Solutions 8/10/2022 Layout Recommendation #1: Vertical Mounting No Ground 20 19* 40 9.5 50Ω Feed Line GND Plane 0Ω *Line width should be designed to match 50ohm characteristic impedance, depending on your PCB material and thickness (distance to GND) Units: mm Orderable EVB p/n: 2450AT43A100-EB1SMA Go to https://www.johansontechnology.com/request-a-sample Note: Matching circuits and component values will be different on the client's design, depending on PCB layout, geometry, etc. It is recommended that the designer leave available slots for a "pi" (or shunt-series- shunt) network. The antenna matching network values you see here are used when antenna is mounted on Johanson's evaluation board. * GND Plane GND Plane 2.0 5.5 8.0 1.0 0Ω Matching circuits 2.45 GHz SMD Chip Antenna, AEC-Q200 QualifiedP/N 2450AT43A100E-AEC Detail Specification: Page 3 of 8 https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 Ver. 2.0 2022 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 8/10/2022 Typical Electrical Performance (T=25°C) on Layout Recommendation #1 Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. Return Loss 2.45 GHz SMD Chip Antenna, AEC-Q200 QualifiedP/N 2450AT43A100E-AEC Detail Specification: Page 4 of 8 https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 Ver. 2.0 2022 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 8/10/2022 Typical Radiation Patterns (T=25°C) of Layout Recommendation #1 Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. ) XY-V/XY-H 180° 270° 0° 90° X Z Y XY-cut scanning direction XY cut @2.45GHz Vertical Horizontal XZ-V/XZ-H YZ-V/YZ-H 180° 270° 0° 90° X Z Y XZ-cut scanning direction 180° 270° 0° 90° X Z Y YZ-cut scanning direction XZ cut @2.45GHz Vertical Horizontal YZ cut @2.45GHz Vertical Horizontal 2.45 GHz SMD Chip Antenna, AEC-Q200 QualifiedP/N 2450AT43A100E-AEC Detail Specification: Page 5 of 8 * This 50ohm trace to the antenna can be shorten (considerably) to suit your PCB space constraints https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 Ver. 2.0 2022 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 8/10/2022 Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. Layout Recommendation #2: Horizontal Mounting *Line width should be designed to match 50ohm characteristic impedance, depending on your PCB material and thickness (distance to GND) Units: mm Orderable EVB p/n: 2450AT43A100-EB2SMA Go to https://www.johansontechnology.com/request-a-sample Note: Matching circuits and component values will be different on the client's design, depending on PCB layout, geometry, etc. It is recommended that the designer leave available slots for a "pi" (or shunt-series- shunt) network. The antenna matching network values you see here are used when antenna is mounted on Johanson's evaluation board. 9.5 40 5 9 2.5 GND Plane 20 50Ω Feed Line* No Ground Matching circuits 8.0 1.0 2.0 0 Ohm GND * GND 6.8nH Matching circuits 5.5 2.45 GHz SMD Chip Antenna, AEC-Q200 QualifiedP/N 2450AT43A100E-AEC Detail Specification: Page 6 of 8 https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 Ver. 2.0 2022 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 8/10/2…

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ReferenceNo.:WTX26X06162149WPage9of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn EXHIBIT4-TESTSETUPPHOTOGRAPHS RadioTestSetupView RadiationEmissionTest Setup(Below30MHz) ReferenceNo.:WTX26X06162149WPage10of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn RadiationEmissionTest Setup(30MHzto1GHz) RadiationEmissionTest Setup(1GHzto18GHz) ReferenceNo.:WTX26X06162149WPage11of11 WaltekTestingGroup(Shenzhen)Co.,Ltd. Http://www.waltek.com.cn RadiationEmissionTest Setup(Above18GHz) RadiationEmissionTest Setup(closeup) *****ENDOFREPORT*****