2A5A9-CBSTARTERCODY BLOCK

- QUBSAG - FederalCommunicationsCommission Authorizationand EvaluationDivision EquipmentAuthorizationBranch 7435 OaklandMills Road Columbia,MD 21046 10/26/23 U.S. AgentDesignation [QUBS AG ] 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: 2A5A9-CBSTARTER Name and company of U.S. agent: VIVOSUN INC Physical U.S. address of agent: 1267 Willis St.STE200 FRN of U.S. agent:0033532920 Email address of U.S. agent: [email protected] [VIVOSUN INC] acknowledges their obligation to accept service of process on behalf of [QUBS AG] [QUBS AG] with the FRN [0032040537] accepts its obligation to maintain an agent for service of process in the United States for no less than one 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. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature： [Name]Anders Landergren [Title] manage [Company]QUBSAG Signature： [Nameof U.S. agent]：Jessie Zhao [Title of U.S. agent]：Boss [Companyof U.S. agent]：VIVOSUNINC

C5266091_X24_Ed.2 1/1 QUBS AG “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: QUBS AG FRN: 0035602135 Grantee code: 2A5A9 FCC ID: 2A5A9-CBSTARTER Contact Name: Anders Landergren Address: QUBS AG丨 Waffenplatzstrasse 41, 8002 Telephone No: 4795888502 Fax No: / Email: [email protected] i. [QUBS AG] (“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. The applicant must sign this certification. ii. [QUBS AG] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [QUBS AG] (“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 . Date: 2024/08/07 Applicant’s Name: Anders Landergren Title: COO Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

QUBSAG DeclarationonModelDifferences We, QUBSAG QUBSAGWaffenplatzstrasse41,8002Zurich,Switzerland. Declarethatthefollowingproduct(s): FCCID:2A5A9-CBSTARTER ProductName:CODYBLOCK ModelNo.:CB_STARTER,CB_RECORDPLAY,CB_REPEAT,CB_UTURN,CB_CITYMAP Utilizetheidenticalcircuitdesign,PCBlayout,shieldingandinterfacewith(CB_STARTER), onlymodelnamedifferent.Thereforethisapplicationcanberegardedasidenticalin performancetothesubmittedtestsample. Themanufacturerwouldtakealltheresponsibilitiesfortheaboveproduct(s). Forandonbehalfof Sincerely, Signature AndersLandergren COO QUBSAG *IherebydeclarethatIamentitledtosignonbehalfoftheapplicantandthattheinformationsuppliediscorrectandcomplete.

C5266091_X8_Ed.1 1/1 Letter of Authorization QUBS AG Company: QUBS AG Address: QUBS AG 丨Waffenplatzstrasse 41, 8002 Product Name: CODY BLOCK Model Number: CB_STARTER, CB_RECORDPLAY, CB_REPEAT, CB_UTURN, CB_CITYMAP FCC Identifier: 2A5A9-CBSTARTER We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Anders Landergren Date: 2024.08.07 Title: COO Signature of applicant:

C5266091_X10_Ed.2 1/1 QUBS AG Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2024-08-07 Subject: Request for Confidentiality FCC ID: 2A5A9-CBSTARTER To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☒ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☒ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☒ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. 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. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ___ 180___ days from the date of the Grant of Equipment Authorization and prior to marketing. 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. Sincerely, C5266091_X10_Ed.2 1/1 Signature: Name: Anders Landergren Title: COO 2024-08-07

RFEXPOSUREEVALUATION FCCID:2A5A9-CBSTARTER AccordingtoKDB447498D01MobileandPortableDevicesRFExposure ProceduresandEquipmentAuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiationas specifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnotrequired, portabletransmitterswithoutputpowergreaterthantheapplicablelowthresholdrequire SARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 24024.014.01±15.01050.9823 BLE24404.104.10±15.10051.0113 24804.474.47±15.47051.1103 Channel (MHz) Fieldstrength (dBuV/m) EIRP (dBm) Maxtune-up (mW) SARTest Exclusion Threshold (mW) Result 13.55958.94-36.3180.0003474Pass Note:EIRP(dBm)=E(dBμV/m)-95.2=88.28-95.2=-6.978dBm BLEandNFCcannotsupportsimultaneoustransmission. Result:NoStandaloneSARtestisrequired.

R & D Center：Room D 5 th Floor Building L,Block E ,71 Baocheng District ,Baoan District ,Shenzhen Factory：6 Floor,GangHuaXing Industrial Park,Rongshu Road 2 nd ,Fuyong,Baoan ,shenzhen Email:[email protected] Shenzhen SKYLink Technology Co.,Ltd Antenna Specification for Approval Customer Name： Gadget Lab International Co., Ltd. Product Name： 2.4G BT Antenna Part NO.: CODY BLOCK.BT Write By： Damon Cui Issued Date: 2024.06.27 Customer R&D Dept Business Dept Approved By SKYLink R&D Dept Engineer Dept Approval R & D Center：Room D 5 th Floor Building L,Block E ,71 Baocheng District ,Baoan District ,Shenzhen Factory：6 Floor,GangHuaXing Industrial Park,Rongshu Road 2 nd ,Fuyong,Baoan ,shenzhen Email:[email protected] Specification Summary A.Electrical Characteristics Frequency 2400MHz ~2500MHz VSWR <5.0 Efficiency >10% Peak Gain Impedance -3.19dBi 50 Ohm Polarization Line B.Material & Mechanical Characteristics Material of Radiator Cu Cable Type / Connector Type / Dimension At Attachment Heat-durability 280±5 ̊C，10sec. C.Environmental Characteristics Operation Temperature -20 ̊C ~ + 80 ̊C Storage Temperature -30 ̊C ~ + 85 ̊C R & D Center：Room D 5 th Floor Building L,Block E ,71 Baocheng District ,Baoan District ,Shenzhen Factory：6 Floor,GangHuaXing Industrial Park,Rongshu Road 2 nd ,Fuyong,Baoan ,shenzhen Email:[email protected] Test Equipment & Conditions 1．Network Analyzers : A gilent 8753D 5071B Communications Test Set: Agilent E5515C CMW500 2． 3D Chamber Test System A 0.03 0.02 0.04 0～10 ±0.05 10～18 ±0.10 18～30 ±0.12 ∅ 0.02 30～40 ±0.15 Remark Rev Date Third Angle New drawing Description 40～ ±0.20 1 2 3 4 Approved by DCB 5 6 7 8 A 1 2 3 4 5 6 7 8 Part No. Date Designed by Checked by Scale Rev mm Location Project Material Part Name Unit RF MD A Angle ±0.5° 1:1 DCBA SHEN ZHEN SKYLink CO.,LTD RoHS P G Compliant DWG No. 2024-06-27 CB 2.0 Main V2.2 由 Autodesk 教育版产品制作 由 Autodesk 教育版产品制作 由Autodesk教育版产品制作 由 Autodesk 教育版产品制作 R & D Center：Room D 5 th Floor Building L,Block E ,71 Baocheng District ,Baoan District ,Shenzhen Factory：6 Floor,GangHuaXing Industrial Park,Rongshu Road 2 nd ,Fuyong,Baoan ,shenzhen Email:[email protected] Return Loss VSWR R & D Center：Room D 5 th Floor Building L,Block E ,71 Baocheng District ,Baoan District ,Shenzhen Factory：6 Floor,GangHuaXing Industrial Park,Rongshu Road 2 nd ,Fuyong,Baoan ,shenzhen Email:[email protected] Gain & Efficiency Freq Effi Gain (MHz) (%) (dBi) 2400 21.94 -3.19 2410 19.31 -3.56 2420 19.81 -3.29 2430 18.78 -3.35 2440 19.07 -3.24 2450 15.84 -4.04 2460 15.28 -4.15 2470 15.16 -4.23 2480 16.84 -3.91 2490 17.73 -3.96 2500 16.48 -4.65 R & D Center：Room D 5 th Floor Building L,Block E ,71 Baocheng District ,Baoan District ,Shenzhen Factory：6 Floor,GangHuaXing Industrial Park,Rongshu Road 2 nd ,Fuyong,Baoan ,shenzhen Email:[email protected] Radiation Patter R & D Center：Room D 5 th Floor Building L,Block E ,71 Baocheng District ,Baoan District ,Shenzhen Factory：6 Floor,GangHuaXing Industrial Park,Rongshu Road 2 nd ,Fuyong,Baoan ,shenzhen Email:[email protected] R & D Center：Room D 5 th Floor Building L,Block E ,71 Baocheng District ,Baoan District ,Shenzhen Factory：6 Floor,GangHuaXing Industrial Park,Rongshu Road 2 nd ,Fuyong,Baoan ,shenzhen Email:[email protected] Antenna Picture R & D Center：Room D 5 th Floor Building L,Block E ,71 Baocheng District ,Baoan District ,Shenzhen Factory：6 Floor,GangHuaXing Industrial Park,Rongshu Road 2 nd ,Fuyong,Baoan ,shenzhen Email:[email protected] Reliability Test Test Item Test condition Equipment Specification Result 1 Low Temp. Storage Test Temperature: -30°C， Time:48hrs Test condition: Placing antenna in a Low/High Temperature Chamber, keep the temp is 25°C and humidity is 65% for one hour, then step-down the temp. to -30°C in one hour, store antenna for 44 hours; step-up temp to 25°C,test antenna after 2 hours. Temp.&Humi. Tester No material deformation is allowed. Electronic Performance is ok . PASS 2 High Temp./High Humid Storage Test Temperature: 85°C Humidity: 85% RH Time:48hrs Test condition: Placing antenna in a Low/High Temperature Chamber, keep the temp is 25°C and humidity is 65% for one hour, then step-up the temp. to 80°C and the humidity up to 85% in one hour, store antenna for 44 hours; step-down temp to 25°C,test antenna after 2 hours. Temp.&Humi. Tester No material deformation is allowed. Electronic Performance is ok . PASS 3 Salt-Spray 6 pray Test Placing antenna in the Salt-Spray Tester ,set the test condition ，Temp: 35±2°C Humidity: 85% NaCl salt spray :5 ±1 %.PH value :6.5~7.2 Test time:24hours Salt-Spray Tester No color change No appear rusting PASS

ReportNo.:182512C400239101FCCID:2A5A9-CBSTARTERPage1of28 FCCTestReport Applicant:QUBSAG Address: QUBSAG|Waffenplatzstrasse41,8002Zurich, Switzerland. ProductName:CODYBLOCK ReportDate:Aug.05,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:182512C400239101FCCID:2A5A9-CBSTARTERPage2of28 Contents 1.GeneralInformation.................................................................................................................................6 1.1.ClientInformation...........................................................................................................................6 1.2.DescriptionofDevice(EUT)..........................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest..........................................................................................7 1.4.Operationchannellist....................................................................................................................8 1.5.DescriptionofTestModes.............................................................................................................8 1.6.MeasurementUncertainty.............................................................................................................8 1.7.TestSummary................................................................................................................................9 1.8.DescriptionofTestFacility...........................................................................................................10 1.9.Disclaimer....................................................................................................................................10 1.10.TestEquipmentList....................................................................................................................11 2.Antennarequirement..............................................................................................................................12 2.1.Conclusion...................................................................................................................................12 3.ConductedEmissionatACpowerline..................................................................................................13 3.1.EUTOperation.............................................................................................................................13 3.2.TestSetup....................................................................................................................................13 3.3.TestData......................................................................................................................................13 4.OccupiedBandwidth..............................................................................................................................14 4.1.EUTOperation.............................................................................................................................14 4.2.TestSetup....................................................................................................................................14 4.3.TestData......................................................................................................................................14 5.MaximumConductedOutputPower......................................................................................................15 5.1.EUTOperation.............................................................................................................................15 5.2.TestSetup....................................................................................................................................15 5.3.TestData......................................................................................................................................15 6.PowerSpectralDensity..........................................................................................................................16 6.1.EUTOperation.............................................................................................................................16 6.2.TestSetup....................................................................................................................................16 6.3.TestData......................................................................................................................................16 7.Emissionsinnon-restrictedfrequencybands.......................................................................................17 7.1.EUTOperation.............................................................................................................................17 7.2.TestSetup....................................................................................................................................17 7.3.TestData......................................................................................................................................17 8.Bandedgeemissions(Radiated)..........................................................................................................18 8.1.EUTOperation.............................................................................................................................18 8.2.TestSetup....................................................................................................................................18 8.3.TestData......................................................................................................................................19 9.Emissionsinfrequencybands(below1GHz).......................................................................................20 9.1.EUTOperation.............................................................................................................................20 9.2.TestSetup......................................................................................…

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Page1of16 AppendixTestData ReportNo.:182512C400239101TestSampleNo.:1-2-2 StartTestDate:2024.6.23FinishTestDate:2024.6.24 TestEngineer:Auditor: Temperature:25.3°CRelativeHumidity:48% Pressure:101kPa AppendixA:6dBBandwidth TestResult TestModeAntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.7122401.6362402.3480.5PASS BLE_1MAnt124400.6562439.6682440.3240.5PASS BLE_1MAnt124800.7122479.6402480.3520.5PASS Page2of16 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS Page3of16 AppendixB:99%OccupiedBandwidth TestResult TestModeAntennaFrequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124021.04622401.47902402.5252------ BLE_1MAnt124401.03132439.48522440.5165------ BLE_1MAnt124801.03562479.48182480.5174------ Page4of16 TestGraphs BLE_1M-Ant1-2402 BLE_1M-Ant1-2440 BLE_1M-Ant1-2480 Page5of16 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt124024.01≤30PASS BLE_1MAnt124404.10≤30PASS BLE_1MAnt124804.47≤30PASS TestGraphsPeak BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS Page6of16 BLE_1M-Ant1-2480-PASS Page7of16 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-12.35≤8.00PASS BLE_1MAnt12440-12.20≤8.00PASS BLE_1MAnt12480-11.78≤8.00PASS Page8of16 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS Page9of16 AppendixE:Bandedgemeasurements TestResult TestMod e Antenn a ChNam e Frequency[MHz ] RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt1Low24023.13-55.51≤-16.87PASS BLE_1MAnt1High24803.57-56.09≤-16.44PASS Page10of16 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS Page11of16 AppendixF:ConductedSpuriousEmission TestResult TestMod e Antenn a Frequency[MHz ] FreqRange [MHz] RefLeve l [dBm] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt12402 0~Referenc e 3.543.54---PASS BLE_1MAnt1240230~10003.54-67.75≤-16.46PASS BLE_1MAnt124021000~265003.54-52.56≤-16.46PASS BLE_1MAnt12440 0~Referenc e 2.022.02---PASS BLE_1MAnt1244030~10002.02-67.99≤-17.98PASS BLE_1MAnt124401000~265002.02-53.52≤-17.98PASS BLE_1MAnt12480 0~Referenc e 2.532.53---PASS BLE_1MAnt1248030~10002.53-68.08≤-17.47PASS BLE_1MAnt124801000~265002.53-52.8≤-17.47PASS Page12of16 TestGraphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS BLE_1M-Ant1-2402-1000~26500-PASS Page13of16 BLE_1M-Ant1-2440-0~Reference-PASS BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS Page14of16 BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS BLE_1M-Ant1-2480-1000~26500-PASS Page15of16 AppendixG:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt124022.132.5085.200.70 BLE_1MAnt124402.132.5085.200.70 BLE_1MAnt124802.132.5085.200.70 TestGraphs NTNV-BLE_1M-Ant1-2402 NTNV-BLE_1M-Ant1-2440 Page16of16 NTNV-BLE_1M-Ant1-2480 ---End---