2BXUEEIPUSI2UeiP USI2.0 Ultra Stylus

LemengLimitedCompany 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:LemengLimitedCompany Address:11F.,No.216,FuhuiRd.,XinzhuangDistNewTaipeiCity,242,Taiwan, China FCCID:2BXUEEIPUSI2U 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[LemengLimitedCompany]designate[LinkwldLLC] NOTE1 forthepurposeof acceptingserviceofprocessonbehalfoftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgentApplicant Companyname:LinkwldLLCCompanyname:LemengLimitedCompany USAAddress:7595TechnologyWaySte 100,Denver,CO80237,US Address:11F.,No.216,FuhuiRd., XinzhuangDistNewTaipeiCity,242, Taiwan,China FRNNumber:0033625682GranteeFRNNumber:0038807178 ContactName:TimothyZhu FCCGranteeCode:2BXUE TelephoneNo:(747)717-2691ContactName:JohnnySHIH Email:[email protected] TelephoneNo:+886285212105 Email:[email protected] Signature: Signature: LemengLimitedCompany 2.911(d)(7)USAAgentv1.5 Title:Manager Title:Manager Date:2026-09-08Date:2026-09-08 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 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: Lemeng Limited Company Grantee code: 2BXUE FCC ID: 2BXUEEIPUSI2U FRN: 0038807178 Contact Name: Johnny SHIH Address: 11F., No. 216, Fuhui Rd., Xinzhuang Dist, New Taipei, Taiwan, China Telephone No: +886 285212105 Fax No: / Email: [email protected] i. [Lemeng Limited Company] (“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. [Lemeng Limited Company] (“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. [Lemeng Limited Company] (“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: September 8, 2026. Applicant’s Name: Johnny SHIH Title: Manager 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

Lemeng Limited Company Code 00018768 Ed. 1 Item 1. The device is able to install software/program installation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky cybersecurity or anti-virus software. Item 2. Technical Requirements for Kaspersky Cybersecurity Software: # General Requirements (For all Devices) Yes / No or N/A Comments 1 Internet connection for activation and updates (For all Operating Systems) N/A # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A Device eiP USI2.0 Ultra Stylus Company name Lemeng Limited Company Grantee code 2BXUE FCC ID 2BXUEEIPUSI2U FRN 0038807178 Contact name Johnny SHIH Address 11F., No. 216, Fuhui Rd., Xinzhuang Dist, New Taipei, Taiwan, China Telephone number +8615622847459 E-mail [email protected] Chipset/module information AC6323A4 Operating System (if applicable) N/A Storage Capacity (hard drive or other permanent memory storage, if applicable) N/A 2 2 Operating System: Microsoft Windows 8, 8.1, 10 & 11 Home / Pro / Enterprise Microsoft Windows 7 Starter / Home Basic & Premium / Professional / Ultimate SP1 or higher N/A 3 Processor: 1 GHz or higher (x86 or x64) N/A 4 Memory (RAM)1 GB (32-bit) or 2 GB (64-bit) N/A 5 Screen Resolution: Minimum resolution of 1024 x 768 N/A # General Requirements (For macOS devices) Yes / No or N/A Comments 1 Operating System macOS® 13 – 14 N/A 2 Memory (RAM)4 GB N/A 3 Storage: 3455 MB free space on the hard drive N/A # General Requirements (For Android Devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: Android™ 10 – 14 N/A 3 Screen Resolution: Minimum resolution of 320 x 480 N/A # General Requirements (for iOS devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: iOS® 17 N/A # General Requirements (For Linux system) Yes / No or N/A Comments 1 Hard drive: 1 GB of free space N/A 2 CPU: Intel Pentium 1 GHz or higher N/A 3 3 RAM: 1 GB N/A 4 Minimum software requirements: AlmaLinux OS 8 or later; AlterOS 7.5 or later; Astra Linux Common Edition 2.12 or later; CentOS 6.7 or later; Debian GNU/Linux 10.0 or later; EulerOS 2.0 or later; Oracle Linux 7.3 or later ; Red Hat Enterprise Linux 6.7 or later ; Rocky Linux 8.5 or later ; SUSE Linux Enterprise Server 12.5 or later; Ubuntu 12.04 or later ; Uncom OS Home / Business / Education / Enterprise 2.2 or later; ALT Linux Workstaton / Workstation K / Server / Education 8 or later; ROSA Linux Workstation / Server 12 or later ; RED OS 7.3 and later ; N/A After reviewed the technical requirements, is the device capable of supporting the installation of Kaspersky software? ☐ Yes, go to Item 3. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky software Item 3. Connectivity Capabilities: # Physical Interface Purpose Justification 1 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications. 4 1 # Wireless Interface Purpose Justification 1 1 After the review of this items, the device: ☒ Cannot support installation of any cybersecurity or anti-virus software on the covered list. ☐ Potentially can operate with any cybersecurity or anti-virus software on the covered list – additional third- party proof is provided to demonstrate compliance with requirements as of 2.911(d)5(i),(ii) – “Proof of Compliance with Covered List Software Requirements” of this document applies Signature: Name: Johnny SHIH Date: September 8, 2026.

TCB CALL página 1 File FCC ID: 2BXUEEIPUSI2U Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : Search | coloradosos.gov TCB CALL página 2 TCB CALL página 3 TCB CALL página 4 TCB CALL página 5 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed1_US_Agent_Letter" >

C5266091_X10_Ed.2 1/1 LemengLimitedCompany OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026-09-08 Subject:RequestforConfidentiality FCCID:2BXUEEIPUSI2U ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-TermConfidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☒ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☒ User’sManual ☐ NOTE 1 ☒ InternalPhotos ☐ NOTE 1 ☒ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselectedabove arewithheldfrompublicviewforaperiodof___180___daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Name:JohnnySHIH Title:Manager 2026/9/8

C5266091_X8_Ed.1 1/1 Letter of Authorization Lemeng Limited Company Company: Lemeng Limited Company Address: 11F., No. 216, Fuhui Rd., Xinzhuang Dist, New Taipei, Taiwan, China Product Name: eiP USI2.0 Ultra Stylus Model Number: eiP USI2.0 Ultra FCC Identifier: 2BXUEEIPUSI2U 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: Johnny SHIH Date: September 8, 2026. Title: Manager Signature of applicant:

LabelLocation: Label:(Size:2cm*0.5cm) FCCID:2BXUEEIPUSI2U Product:eiPUSI2.0UltraStylus BasicModelNo:eiPUSI2.0Ultra

RFEXPOSUREEVALUATION FCCID:2BXUEEIPUSI2U AccordingtoKDB447498D01MobileandPortableDevicesRFExposureProcedures andEquipmentAuthorizationPoliciesv06. 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 2402-2.41-2.41±1-1.41050.2243 GFSK2440-1.68-1.68 ±1 -0.68050.2673 2480-1.10-1.10±1-0.10050.3083 Result:NoStandaloneSARtestisrequired.

Page 1 of 33 FCC Test Report Report No.:1812C60479412501 Applicant:Lemeng Limited Company Address: 11F., No. 216, Fuhui Rd., Xinzhuang Dist New Taipei City, 242, Taiwan, China Product Name:eiP USI2.0 Ultra Stylus Report Date:2026-09-08 Shenzhen Anbotek Compliance Laboratory Limited #资质章# #报告二维码# #检测章# Report No.:1812C60479412501Page 2 of 33 FCC ID: 2BXUEEIPUSI2U Contents 1. General Information ...............................................................................................................................6 1.1. Client Information ........................................................................................................................6 1.2. Description of Device (EUT) ........................................................................................................6 1.3. Auxiliary Equipment Used During Test........................................................................................7 1.4. Operation channel list..................................................................................................................7 1.5. Description of Test Mode(s) ........................................................................................................7 1.6. Measurement Uncertainty ...........................................................................................................8 1.7. Additional Instructions .................................................................................................................8 1.8. Test Summary .............................................................................................................................9 1.9. Description of Test Facility ........................................................................................................10 1.10. Disclaimer................................................................................................................................10 1.11. Test Equipment List.................................................................................................................11 2. Antenna requirement ...........................................................................................................................13 2.1. Conclusion.................................................................................................................................13 3. Conducted Emission at AC power line ................................................................................................14 3.1. EUT Operation ..........................................................................................................................14 3.2. Test Setup .................................................................................................................................14 3.3. Test Data ...................................................................................................................................15 4. 6dB Bandwidth ....................................................................................................................................17 4.1. EUT Operation ..........................................................................................................................17 4.2. Test Setup .................................................................................................................................17 4.3. Test Data ...................................................................................................................................17 5. Maximum Conducted Output Power....................................................................................................18 5.1. EUT Operation ..........................................................................................................................18 5.2. Test Setup .................................................................................................................................18 5.3. Test Data ...................................................................................................................................18 6. Power Spectral Density .......................................................................................................................19 6.1. EUT Operation ..........................................................................................................................19 6.2. Test Setup .................................................................................................................................19 6.3. Test Data ...................................................................................................................................19 7. Emissions in non-restricted frequency bands ......................................................................................20 7.1. EUT Operation ..........................................................................................................................20 7.2. Test Setup .................................................................................................................................20 7.3. Test Data ...................................................................................................................................20 8. Band edge emissions (Radiated) ........................................................................................................21 8.1. EUT Operation ..........................................................................................................................21 8.2. Test Setup .................................................................................................................................22 8.3. Test Data ...................................................................................................................................23 9. Emissions in restricted frequency bands (below 1GHz) ......................................................................2…

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Kunshan Chenhe Precision Mould Co., Ltd. Building 10, No.98 Huguang Road, Zhangpu Town, Kunshan City, Jiangsu Province, P.R.China Frequency / MHzG ain/ dBi 2400- 0.8 2410- 1.18 2420- 1.78 2430- 1.97 2440- 3.34 2450- 3.91 2460- 5.16 2470- 5.6 2480- 6.8 2490- 7.76 2500- 8.75 Antenna TYPE:PCB Antenna Frequency :2400-2500MHz 2400MHz ANT Model: eiP USI2.0 Ultra

ReportNo.: 1812C60479412501-01 Page1of22 AppendixTestData ReportNo.:1812C60479412501-01TestSampleNo.:1-2-2 StartTestDate:2026-8-21FinishTestDate:2026-8-24 TestEngineer:Auditor: Temperature:19.4°CRelativeHumidity:60% Pressure:101kPa AppendixA:6dBBandwidth TestResult Test Mode AntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.6642401.6602402.3240.5PASS BLE_1MAnt124400.6522439.6682440.3200.5PASS BLE_1MAnt124800.6882479.6362480.3240.5PASS ReportNo.: 1812C60479412501-01 Page2of22 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.: 1812C60479412501-01 Page3of22 BLE_1M-Ant1-2480-PASS ReportNo.: 1812C60479412501-01 Page4of22 AppendixB:99%OccupiedBandwidth TestResult Test Mode AntennaFrequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124021.02772401.47752402.5052------ BLE_1MAnt124401.02762439.47302440.5006------ BLE_1MAnt124801.02712479.47832480.5054------ ReportNo.: 1812C60479412501-01 Page5of22 TestGraphs BLE_1M-Ant1-2402 BLE_1M-Ant1-2440 ReportNo.: 1812C60479412501-01 Page6of22 BLE_1M-Ant1-2480 ReportNo.: 1812C60479412501-01 Page7of22 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode Antenna Frequency [MHz] Conducted Peak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt12402-2.41≤30PASS BLE_1MAnt12440-1.68≤30PASS BLE_1MAnt12480-1.10≤30PASS TestGraphsPeak BLE_1M-Ant1-2402-PASS ReportNo.: 1812C60479412501-01 Page8of22 BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS ReportNo.: 1812C60479412501-01 Page9of22 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-18.69≤8.00PASS BLE_1MAnt12440-17.80≤8.00PASS BLE_1MAnt12480-17.16≤8.00PASS ReportNo.: 1812C60479412501-01 Page10of22 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.: 1812C60479412501-01 Page11of22 BLE_1M-Ant1-2480-PASS ReportNo.: 1812C60479412501-01 Page12of22 AppendixE:Bandedgemeasurements TestResult Test Mode AntennaChName Frequency [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt1Low2402-3.02-41.99≤-23.02PASS BLE_1MAnt1High2480-1.48-31.12≤-21.48PASS ReportNo.: 1812C60479412501-01 Page13of22 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS ReportNo.: 1812C60479412501-01 Page14of22 AppendixF:ConductedSpuriousEmission TestResult Test Mode Antenna Frequency [MHz] Freq.Range [MHz] Ref. Level [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt124020~Reference-3.46-3.46---PASS BLE_1MAnt1240230~1000-3.46-69.33≤-23.46PASS BLE_1MAnt124021000~26500-3.46-40.73≤-23.46PASS BLE_1MAnt124400~Reference-2.96-2.96---PASS BLE_1MAnt1244030~1000-2.96-69.23≤-22.96PASS BLE_1MAnt124401000~26500-2.96-40.32≤-22.96PASS BLE_1MAnt124800~Reference-1.58-1.58---PASS BLE_1MAnt1248030~1000-1.58-69.91≤-21.58PASS BLE_1MAnt124801000~26500-1.58-41.22≤-21.58PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecablelosshavebeensetinthe 'InputCorrection'oftheSpectrumAnalyzerduringthetest. ReportNo.: 1812C60479412501-01 Page15of22 TestGraphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS ReportNo.: 1812C60479412501-01 Page16of22 BLE_1M-Ant1-2402-1000~26500-PASS BLE_1M-Ant1-2440-0~Reference-PASS ReportNo.: 1812C60479412501-01 Page17of22 BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS ReportNo.: 1812C60479412501-01 Page18of22 BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS ReportNo.: 1812C60479412501-01 Page19of22 BLE_1M-Ant1-2480-1000~26500-PASS ReportNo.: 1812C60479412501-01 Page20of22 AppendixG:DutyCycle TestResult Test Mode Antenna Frequency [MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt124022.132.5085.200.70 BLE_1MAnt124402.142.5185.260.69 BLE_1MAnt124802.132.5085.200.70 ReportNo.: 1812C60479412501-01 Page21of22 TestGraphs NTNV-BLE_1M-Ant1-2402 NTNV-BLE_1M-Ant1-2440 ReportNo.: 1812C60479412501-01 Page22of22 NTNV-BLE_1M-Ant1-2480 ---End---