2A7FC-C16Aalarm clock

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: (713) 391-4488 Email: [email protected] Applicant: Company name: Shenzhen kerchan Star Technology Co., LTD FRN: 0026419408 Product Description: alarm clock Grantee code: 2A7FC FCC ID: 2A7FC-C16A Contact Name: Frank Yan Address: 7th Floor, Building B, Huafeng International Robot Industrial Park, Bao'an District, Shenzhen Telephone No: 13826526840 Email: [email protected] [Shenzhen kerchan Star 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. [Shenzhen kerchan Star 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: 07.23.2026 Applicant’s Name: Frank Yan 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: Shenzhen kerchan Star Technology Co., LTD Grantee code: 2A7FC FCC ID: 2A7FC-C16A FRN: 0026419408 Contact Name: Frank Yan Address: 7th Floor, Building B, Huafeng International Robot Industrial Park, Bao'an District, Shenzhen Telephone No: 13826526840 Fax No: 0755-23327036 Email: [email protected] i. [Shenzhen kerchan Star 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. [Shenzhen kerchan Star 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. Shenzhen kerchan Star 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: 07.23.2026 Applicant’s Name: Frank Yan 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

Shenzhen kerchan Star 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 alarm clock Company name Shenzhen kerchan Star Technology Co., LTD Grantee code 2A7FC FCC ID 2A7FC-C16A FRN 0026419408 Contact name Frank Yan Address 7th Floor, Building B, Huafeng International Robot Industrial Park, Bao'an District, Shenzhen Telephone number 13826526840 E-mail [email protected] Chipset/module information AC7912AB 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: Frank Yan Date: 7/23/2026 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: 2A7FC-C16A 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"

C5266091_X10_Ed.2 1/1 Shenzhen kerchan Star Technology Co., LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 7/23/2026 Subject: Request for Confidentiality FCC ID: 2A7FC-C16A 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: Frank Yan Title: Manager

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Shenzhen kerchan Star Technology Co., LTD Address: 7th Floor, Building B, Huafeng International Robot Industrial Park, Bao'an District, Shenzhen Product Name: alarm clock Model Number: C16A FCC Identifier: 2A7FC-C16A 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: Frank Yan Date: 7/23/2026 Title: Manager Signature of applicant:

Page1of5ReportNo.:MTi260528004-0105 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(ExternalPhotos) Model:C16A Page2of5ReportNo.:MTi260528004-0105 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] Page3of5ReportNo.:MTi260528004-0105 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] Page4of5ReportNo.:MTi260528004-0105 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] Page5of5ReportNo.:MTi260528004-0105 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]

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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-FE013 Ver./Rev.：A1 Page 1 of 7 RFEXPOSURE TestReport ReportNo.:MTi260528004-0105E4 Dateofissue:2026-07-15 Applicant:ShenzhenKerchanStarTechnologyCo.,Ltd Product:alarmclock Model(s):C16A FCCID:2A7FC-C16A ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260528004-0105E4 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-FE013 Ver./Rev.：A1 Page 2 of 7 Tableofcontents 1RFEXPOSUREEVALUATION...............................................................................................4 2MeasurementResult..............................................................................................................5 TESTREPORT ReportNo.:MTi260528004-0105E4 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-FE013 Ver./Rev.：A1 Page 3 of 7 TestResultCertification ApplicantShenzhenKerchanStarTechnologyCo.,Ltd ApplicantAddress 7thFloor,BuildingB,HuafengInternationalRobotIndustrialPark, HangchengRoad,Bao'anDistrict,Shenzhen ManufacturerShenzhenKemeiVisionTechnologyCo.,Ltd Manufacturer Address 5FBuildingBshuangjinhuiIndustrialParkFuhaistreetYongheroad8 Fu'yong,BaoanShenzhenChina518103 FactoryShenzhenKemeiVisionTechnologyCo.,Ltd FactoryAddress 5FBuildingBshuangjinhuiIndustrialParkFuhaistreetYongheroad8 Fu'yong,BaoanShenzhenChina518103 Productdescription Productnamealarmclock TrademarkANJANK ModelnameC16A SeriesModel(s)N/A Standards47CFRPart2.1091 TestmethodKDB447498D01v06 TestingInformation Dateoftest2026-06-09to2026-06-11 TestResultPass Preparedby:JamesQin Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi260528004-0105E4 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-FE013 Ver./Rev.：A1 Page 4 of 7 1RFEXPOSUREEVALUATION AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)Radiationasspecifiedin §1.1307(b) LimitsforMaximumPermissibleExposure(MPE) MPECalculationMethod Friistransmissionformula:Pd=(Pout*G)\(4*pi*R 2 ) Where Pd=PowerdensityinmW/cm 2 Pout=outputpowertoantennainmW G=Numericgainoftheantennarelativetoisotropicantenna Pi=3.1415926 R=distancebetweenobservationpointandcenteroftheradiatorincm(20cm) PdthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandtotalpower inputtotheantenna,throughthecalculation,wewillknowthedistancewheretheMPElimitis reached. TESTREPORT ReportNo.:MTi260528004-0105E4 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-FE013 Ver./Rev.：A1 Page 5 of 7 2MeasurementResult BT: OperationFrequency:2402-2480MHz, Powerdensitylimited:1mW/cm2 AntennaType:PCBAntenna Antennagain:2.499dBi R=20cm mW=10^(dBm/10) AntennagainNumeric=10^(dBi/10)=10^(2.499/10)=1.78 BT: Channel Freq. (MHz) modulation conducted power Tune- up power (dBm) MaxAntenna Evaluation result Power density Limits (dBm) tune-uppowerGain (mW/cm 2 )(mW/cm 2 ) (dBm)(mW)(dBi)Numeric 2402 GFSK 2.412±131.995 2.4991.780.0007 1 24412.382±131.995 2.4991.780.0007 1 24802.842±131.995 2.4991.780.0007 1 2402 π/4-DQPSK 3.293±142.512 2.4991.780.0009 1 24413.193±142.512 2.4991.780.0009 1 24803.723±142.512 2.4991.780.0009 1 BLE: OperationFrequency:2402-2480MHz, Powerdensitylimited:1mW/cm2 AntennaType:Rod-shapedantenna Antennagain:2.499dBi R=20cm mW=10^(dBm/10) AntennagainNumeric=10^(dBi/10)=10^(2.499/10)=1.78 BLE: Channel Freq. (MHz) modulation conducted power Tune- up power (dBm) MaxAntenna Evaluation result Power density Limits (dBm) tune-up power Gain (mW/cm 2 )(mW/cm 2 ) (dBm)(mW)(dBi)Numeric 2402 GFSK-1M 2.002±131.995 2.4991.780.0007 1 24402.282±131.995 2.4991.780.0007 1 24802.582±131.995 2.4991.780.0007 1 2402 GFSK-2M 2.252±13 1.9952.4991.780.0007 1 24402.742±13 1.9952.4991.780.0007 1 24803.033±14 2.5122.4991.780.0009 1 TESTREPORT ReportNo.:MTi260528004-0105E4 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-FE013 Ver./Rev.：A1 Page 6 of 7 2.4GWIFI: OperationFrequency:WIFI802.11b/g/nHT20:2412-2462MHz, Powerdensitylimited:1mW/cm2 AntennaType:Rod-shapedantenna Antennagain:2.499dBi R=20cm mW=10^(dBm/10) AntennagainNumeric=10^(dBi/10)=10^(2.499/10)=1.78 Channel Freq. (MHz) modulation conducted power Tune- up power MaxAntenna Evaluationresultat 20cm Power density Limits (dBm)(dBm) tune-uppowerGain Power density(mW/cm2) (mW/cm2) (dBm)(mW)Numeric 2412 802.11b 12.61 12±1 1319.9531.780.00706 1 2437 11.01 11±1 1215.8491.780.00561 1 2462 10.66 10±1 1112.5891.780.00445 1 2412 802.11g 15.16 15±1 1639.8111.780.01408 1 2437 15.13 15±1 1639.8111.780.01408 1 2462 14.89 14±1 1531.6231.780.01118 1 2412 802.11n H20 15.25 15±1 1639.8111.780.01408 1 2437 15.36 15±1 1639.8111.780.01408 1 2462 15.06 15±1 1639.8111.780.01408 1 Conclusion: SIMULTANEOUSTRANSMISSIONS Whenanumberofsourcesatdifferentfrequencies,and/orbroadbandsources,contributetothe totalexposure,itbecomesnecessarytoweigheachcontributionrelativetotheMPE.Tocomply withtheMPE,thefractionoftheMPEintermsofE2,H2(…

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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-FE038 Ver./Rev.：A1 Page 1 of 77 TestReport ReportNo.:MTi260528004-0105E1 Dateofissue:2026-07-15 Applicant:ShenzhenKerchanStarTechnologyCo.,Ltd Product:alarmclock Model(s):C16A FCCID:2A7FC-C16A ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260528004-0105E1 Tel:0755-88850135-1439Mobile: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-FE038 Ver./Rev.：A1 Page 2 of 77 Tableofcontents 1GeneralDescription.......................................................................................................................4 1.1DescriptionoftheEUT.........................................................................................................4 1.2Descriptionoftestmodes.....................................................................................................4 1.3EnvironmentalConditions.....................................................................................................6 1.4Descriptionofsupportunits..................................................................................................6 1.5Measurementuncertainty.....................................................................................................6 2SummaryofTestResult................................................................................................................7 3TestFacilitiesandaccreditations................................................................................................8 3.1Testlaboratory......................................................................................................................8 4Listoftestequipment....................................................................................................................9 5EvaluationResults(Evaluation).................................................................................................11 5.1Antennarequirement..........................................................................................................11 6RadioSpectrumMatterTestResults(RF)................................................................................12 6.1ConductedEmissionatACpowerline...............................................................................12 6.220dBBandwidth..................................................................................................................15 6.3MaximumConductedOutputPower..................................................................................17 6.4ChannelSeparation............................................................................................................19 6.5NumberofHoppingFrequencies.......................................................................................21 6.6DwellTime..........................................................................................................................23 6.7RFconductedspuriousemissionsandbandedgemeasurement....................................25 6.8Bandedgeemissions(Radiated).......................................................................................27 6.9Radiatedemissions(below1GHz).....................................................................................31 6.10Radiatedemissions(above1GHz)....................................................................................35 Photographsofthetestsetup...........................................................................................................40 PhotographsoftheEUT.....................................................................................................................41 AppendixA:20dBEmissionBandwidth..........................................................................................43 AppendixB:Maximumconductedoutputpower...........................................................................47 AppendixC:Carrierfrequencyseparation......................................................................................51 AppendixD:Timeofoccupancy.......................................................................................................53 AppendixE:Numberofhoppingchannels.....................................................................................59 AppendixF:Bandedgemeasurements...........................................................................................61 AppendixG:ConductedSpuriousEmission..................................................................................65 TESTREPORT ReportNo.:MTi260528004-0105E1 Tel:0755-88850135-1439Mobile: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-FE038 Ver./Rev.：A1 Page 3 of 77 TestResultCertification ApplicantShenzhenKerchanStarTechnologyCo.,Ltd ApplicantAddress 7thFloor,BuildingB,HuafengInternationalRobotIndustrialPark, HangchengRoad,Bao'anDistrict,Shenzhen ManufacturerShenzhenKemeiVisionTechnologyCo.,Ltd Manufacturer Address 5FBuildingBshuangjinhuiIndustrialParkFuhaistreetYongheroad8 Fu'yong,BaoanShenzhenChina518103 FactoryShenzhenKemeiVisionTechnologyCo.,Ltd FactoryAddress 5FBuildingBshuangjinhuiIndustrialParkFuhaistreetYongheroad8 Fu'yong,BaoanShenzhenChina518103 Productdescription Productnamealarmclock TrademarkANJANK ModelnameC16A SeriesModel(s)N/A Standards47CFRPart15.247 TestMethod KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+ErratatoC63.10a-2024 TestingInformation Dateoftest2026-06-09to2026-06-11 TestresultPass Preparedby:JamesQin Reviewedby:DavidLee Approvedby:LewisLian TESTREP…

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2.4G-2.48G频段板载PIFA天线测试报告 SPECIFICATIONS Frequency（MHz） 2400-2480 Peak Gain（dBi） 2.499 Average Gain（dBi） ＞-4 VSWR ＜3.2 Impedance（Ω） 50Ω Antenna Type Plannar Inverted F Antenna on board Polarization Linear 测试环境：中科国技暗室测试系统 Z X Y 天线实物及物理尺寸 Manufacturer：Zhuhai senlee Electronic Technology co., Ltd Address：2nd Floor, Building 1, Yifeng Industrial Park, No. 19, Yongtian Road, Xiangzhou District, Zhuhai City, Guangdong, China 天线无源S参数： 驻波比（VSWR）、回波损耗（Return Loss）及史密斯圆图 天线效率及增益 Frequency（MHz） Gain（dBi） Effciency（%） AverageGain（dBi） Efficiency（dB） 2400 1.433 59.329% -2.717-2.267 2410 0.927 51.861% -3.416-2.852 2420 0.829 52.112% -3.166-2.831 2430 0.881 49.299% -3.258-3.072 2440 1.192 50.672% -3.144-2.952 2450 1.688 53.067% -2.735-2.752 2460 2.194 59.423% -2.276-2.260 2470 2.118 56.680% -2.438-2.466 2480 2.499 61.727% -2.112-2.095 Average 1.529 54.908% -2.806-2.616 Peak 2.499 61.727% -2.112-2.095

Page1of3ReportNo.:MTi260528004-0105 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] Photographsofthetestsetup Model:C16A ConductedEmissionatACpowerline Radiatedemissions(above1GHz) Page2of3ReportNo.:MTi260528004-0105 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] Radiatedemissions(below1GHz) Page3of3ReportNo.:MTi260528004-0105 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]