2AI6I-HAKIILINKOPEN-EAR WIRELESS EARBUDS

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: Picus Advisors US LLC FRN: 0034336891 Contact Name: lvan Wang Address: 5855 SOVEREIGN DRSTE B-1, HOUSTON, TX 77036, USA Telephone No: +1(713) 271-9600 Email: [email protected] Applicant: Company name: Guangzhou Havit Technology Co.,LTD FRN: 0025744657 Product Description: OPEN-EAR WIRELESS EARBUDS Grantee code: 2AI6I FCC ID: 2AI6I-HAKIILINK Contact Name: Yang Wei Address: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU GUANGDONG China Telephone No: +86-20-66820279 Email: [email protected] [Guangzhou Havit Technology Co.,LTD] certifies that, as of the date of this filing of the application with the TCB, [Picus Advisors US LLC] is our designated US agent for service of process for the above referenced FCC ID. [Guangzhou Havit Technology Co.,LTD] accepts 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 equipment. [Picus Advisors US LLC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 10.31.2025 Applicant’s Name: Yang Wei US Agent’s Name: lvan Wang Title: Manager Title: CEO Signature Signature

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: Guangzhou Havit Technology Co.,LTD Grantee code: 2AI6I FCC ID: 2AI6I-HAKIILINK FRN: 0025744657 Contact Name: Yang Wei Address: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU GUANGDONG China Telephone No: +86-20-66820279 Fax No: +86-20-66856369 Email: [email protected] i. [Guangzhou Havit Technology Co.,LTD] (“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. [Guangzhou Havit Technology Co.,LTD] (“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. Guangzhou Havit Technology Co.,LTD 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: 10.31.2025 Applicant’s Name: Yang Wei 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

Guangzhou Havit Technology Co.,LTD Code 00018768 Ed. 2 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 Device OPEN-EAR WIRELESS EARBUDS Company name Guangzhou Havit Technology Co.,LTD Grantee code 2AI6I FCC ID 2AI6I-HAKIILINK FRN 0025744657 Contact name Yang Wei Address ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU GUANGDONG China Telephone number +86-20-66820279 E-mail [email protected] Chipset/module information JL7016G6 Operating System (if applicable) N/A Storage Capacity (hard drive or other permanent memory storage, if applicable) N/A 2 # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A 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 3 # 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 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 4 Item 3. Connectivity Capabilities: # Physical Interface Purpose Justification 1 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: Yang Wei Date: 10/31/2025 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications.

TCB CALL página 1 File FCC ID: 2AI6I-HAKIILINK 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. Google: TCB CALL página 2 EIN Statement TCB CALL página 3 ► 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"

Guangzhou Havit Technology Co.,LTD version02 12/4/2025 Dear Sirs: We hereby declare that because the earphone size is too small, the FCC ID number is printed on the User Manual and product packaging, hereby declare. FCC ID: 2AI6I-HAKIILINK Sincerely, Signature: Name: Yang Wei Title: Manager Company: Guangzhou Havit Technology Co.,LTD

C5266091_X10_Ed.2 1/1 Guangzhou Havit Technology Co.,LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 10/31/2025 Subject: Request for Confidentiality FCC ID: 2AI6I-HAKIILINK 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 ______ 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. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Yang Wei Title: Manager

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Guangzhou Havit Technology Co.,LTD Address: ROOM 1307, 13F, PHASE 2 B, C BUILDING OF POLY WORLD TRADE CENTER, NO.1000, XINGANG EAST ROAD, HAIZHU GUANGDONG China Product Name: OPEN-EAR WIRELESS EARBUDS Model Number: HAKII LINK FCC Identifier: 2AI6I-HAKIILINK 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: Yang Wei Date: 10/31/2025 Title: Manager Signature of applicant:

Page1of9ReportNo.:MTi251011016-0102 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] PhotographsoftheEUT Model:HAKIILINK External Page2of9ReportNo.:MTi251011016-0102 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page3of9ReportNo.:MTi251011016-0102 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page4of9ReportNo.:MTi251011016-0102 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected]

Page5of9ReportNo.:MTi251011016-0102 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Internal Page6of9ReportNo.:MTi251011016-0102 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page7of9ReportNo.:MTi251011016-0102 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page8of9ReportNo.:MTi251011016-0102 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] ANT Page9of9ReportNo.:MTi251011016-0102 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected]

Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page 1 of 6 RFEXPOSURE TestReport ReportNo. : MTi251011016-0102E2 DateofIssue : 2025-10-24 Applicant : GuangzhouHavitTechnologyCo.,Ltd. Product : OPEN-EARWIRELESSEARBUDS Model(s) : HAKIILINK FCCID : 2AI6I-HAKIILINK ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi251011016-0102E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page2of6 Tableofcontents 1StandaloneSARtestexclusionconsiderations.................................................................4 2SARTestExclucsionThresholds.........................................................................................5 TESTREPORT ReportNo.:MTi251011016-0102E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page3of6 TestResultCertification ApplicantGuangzhouHavitTechnologyCo.,Ltd. ApplicantAddress ROOM1307,13F,PHASE2B,CBUILDINGOFPOLYWORLDTRADE CENTER,NO.1000,XINGANGEASTROAD,HAIZHUGUANGDONGChina ManufacturerGuangzhouHavitTechnologyCo.,Ltd. Manufacturer Address ROOM1307,13F,PHASE2B,CBUILDINGOFPOLYWORLDTRADE CENTER,NO.1000,XINGANGEASTROAD,HAIZHUGUANGDONGChina Productdescription ProductnameOPEN-EARWIRELESSEARBUDS TrademarkHAVIT ModelnameHAKIILINK SeriesModel(s)N/A Standards47CFRPart2.1093 TestmethodKDB447498D01v06 TestingInformation Dateoftest2025-10-16to2025-10-20 TestResultPass Preparedby:MaleahDeng Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi251011016-0102E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page4of6 1StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-g headorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(s),listedbelow,is(are)satisfied. Thesetestexclusionconditionsarebasedonsource-basedtime-averagedmaximum conductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-uptolerance, andtheminimumtestseparationdistancerequiredfortheexposureconditions. Theminimumtestseparationdistancedefinedin4.1f)isdeterminedbythesmallestdistance fromtheantennaandradiatingstructuresoroutersurfaceofthedevice,accordingtothehost formfactor,exposureconditionsandplatformrequirements,toanypartofthebodyorextremity ofauserorbystander. ToqualifyforSARtestexclusion,thetestseparationdistancesappliedmustbefullyexplained andjustified,typicallyintheSARmeasurementorSARanalysisreport,bytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatform requirements,accordingtotherequiredpublishedRFexposureKDBprocedures. WhennootherRFexposuretestingorreportingarerequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfor SARtestexclusion. Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposure KDBproceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions. a)For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz  PoweranddistanceareroundedtothenearestmWandmmbeforecalculation  Theresultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. b)For100MHzto6GHzandtestseparationdistances>50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing(alsoillustratedinAppendixB): 1){[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·(f(MHz)/150)]}mW,for100MHzto1500MHz 2){[Powerallowedatnumericthresholdfor50mminstepa)]+[(testseparation distance–50mm)·10]}mW,for>1500MHzand≤6GHz c)Forfrequenciesbelow100MHz,thefollowingmaybeconsideredforSARtestexclusion (alsoillustratedinAppendixC): 1)Fortestseparationdistances>50mmand<200mm,thepowerthresholdatthe correspondingtestseparationdistanceat100MHzinstepb)ismultipliedby[1+ TESTREPORT ReportNo.:MTi251011016-0102E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE012 Ver./Rev.：A1 Page5of6 log(100/f(MHz))] 2)Fortestseparationdistances≤50mm,thepowerthresholddeterminedbythe equationinc)1)for50mmand100MHzismultipliedby½ 3)SARmeasurementproceduresarenotestablishedbelow100MHz. WhenSARtestexclusioncannotbeapplied,aKDBinquiryisrequiredtodetermineSAR evaluationrequirementsforanySARtestresultsbelow100MHztobeacceptable. 2SARTestExclucsionThresholds Weuse5mmasseparationdistancetocalculated. BluetoothDSS: Ant1(LeftEarphone): Transmit Frequency (GHz) Mode Measured Power (dBm) Tune-up power (dBm) Maxtune-upResult 1gSAR test exclusion threshold power(dBm)ca…

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深 圳 市 力 同 创 科 技 有 限 公 司 Shenzhenshi Li Tongchuang Technology Co., Ltd Letter of acceptance FIRST ARTICLE REPORT Customer Name: Master Mei Fu Electronics Co., Ltd Customer model: S 5 1 6 1 Antenna Silk Screen: S5161-L-V2 S5161-R-V2 Date : 2024.08.09 Approval: The lord of Kangzhong Customer confirmation Quality Research Procurement Approved Please sign back a letter of acknowledgment to our company, thank you! Type: ☑Sample ■First batch □Large quantity 深 圳 市 力 同 创 科 技 有 限 公 司 Shenzhenshi Li Tongchuang Technology Co., Ltd 地址：深圳市宝安区西乡街道金海路10号华盛辉商业大厦6楼605 Address: 605, 6th Floor, Huashenghui Commercial Building, No. 10 Jinhai Road, Xixiang Street, Bao'an District, Shenzhen 深 圳 市 力 同 创 科 技 有 限 公 司 Shenzhenshi Li Tongchuang Technology Co., Ltd Directory 1. Testing tool........................................................................................................................................................................................ 3 2. Basic information................................................ ..... ... ... ......................... .......................................................................................... 4 3. Antenna information ............................................................ ... ... ........................................................ ........................................... 4 4 . Gain efficiency................................................. .................................................................................................................................. 5 5. Engineering drawing ..................................................................................................................................................................... 6 深 圳 市 力 同 创 科 技 有 限 公 司 Shenzhenshi Li Tongchuang Technology Co., Ltd 1.Testing tools Comprehensive measuring instrument Agelent Techmologies E5071B & R&S CMW500 d arkroom Atenlab M3 Test engineer Zhuang Zhicheng t emperature 25°C humidity 65%（RH） 深 圳 市 力 同 创 科 技 有 限 公 司 Shenzhenshi Li Tongchuang Technology Co., Ltd 2.Basic information Customer name： Master Mei Fu Electronics Co., Ltd Complete machine type: S5161 Antenna frequency band: 2400MHZ 2485MHZ Antenna Form: FPC Feed form: D ouble feed Number of Feed Feet: Dual main feed points + touch feed points Motherboard version: S4-R-V1.2 S4-L-V1.2 3.Antenna information 4.Gain efficiency ActiveOTA-TRP-TIS LR Unit:dBi Unit:dBi 深 圳 市 力 同 创 科 技 有 限 公 司 Shenzhenshi Li Tongchuang Technology Co., Ltd L R

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