2BU63-H78WK2.4G/BT Keyboard

Cloud Ants WAL H78W 2.4G/BT Keyboard FCC Warning 15.19 Labeling requirements. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 15.21 Information to user. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 15.105 Information to the user. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. FCC RF Exposure Warning Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment can be used in portable exposure conditions.

S h e n z h e n W a l m e t T ec h n o l o g y C o . , L t d . S ec t i o n 2 . 9 1 1 ( d ) ( 7 ) U SA A g e n t f o r S e r v i ce o f P r ocess C om p an y name S h enz h en W a l m e t T ec h no l o g y C o . , L t d . A d d r ess N o . 3 6 , S e c o n d I n d u s t r i a l Z o n e , H ou T i n g , S h a J i n g , B a o A n D i s t i c t , S h e n z h e n FC C ID : 2 B U 6 3 - H 7 8 W K 2 . 9 11 ( d ) ( 7 ) U S A D e s i g n a t e d A g e n t f o r S e r v i ce o f P r o cess W e , [ S h en z h e n W a l m e t T e c h no l o gy C o , L t d . ] d es i g n a t e [ M I R AMONT SOLUTIONS LLC ] W or E i f o r t h e p ur p ose o f acce p t i n g serv i ce o f p rocess on b e h a l f o f t h e a pp l i c an t . A pp l i c a n t co n se n t : W e a c k no w l e d g e our con s e n t t o a cce p t s er v i ce o f p r oce ss i n t h e U n i t e d S t a t es f o r m a l t e r s r e l a t e d t o t h e a p p l i ca b l e e q u i p m e n t , a n d a t t h e p h y s i ca l U . S . a dd r ess a n d ema ll a dd ress o f t h e d e s i g na t e d a g e n t a n d a c k n ow l e d g e o u r acce p t a nce o f our o b l i g a t i on t o m a i n t a i n an a g e n t f o r ser v i ce o f p r ocess i n t h e U n i t e d S t a t es f o r no l e ss t h an one y e a r a f t er e i t h er we t h e g ran t ee h ave p e r mane n t l y t e r m i na t e d a l l ma r k e t i n g an d i m p o r t a t i on o f t h e a pp li ca bl e e q u i p men t w ihi n t h e U . S , o r a t t h e c on d u s i on o f an y C o mm i ss i on - r e l a t e d a d m i n i s t r a l t i v e o r j u d i c i a l p r o cee d i n g i n vo l v i n g t h e e q u i p m e n t , w hi c h e v e r i s l a t e r . A g e n t o b li g a t i o n : W e ac k no w l e d g e o u r o b l i g a t i on t o a cce p t se r v i c e o f p r o cess i n t h e U n i t e d S t a t es f o r m a tt ers re l a t e d t o t h e a pp l i ca b l e e q u i p men t a t our p h y s i c a l U . S . a d d r ess an d e m a i l a dd r ess f o r no l ess t h an on e y e ar a f t e r e i t h er t h e g r a n t e e h as p e rmanen t l y t e rm i n a t e d a l l mar k e t i n g an d i m p o r t a t i o n o f t h e a p p l i ca b l e e q u i p m e n t w i t h i n t h e U . S . , or a t t h e co n c l us i on o f a n y C o mm i s s i on - r e l a t e d a d m i n i s t r a t i v e o r j u di c i a l p ro cee d i n g i n v o l v i n g t h e e q u i p m e n t , w h i c h eve r i s l a t e r . U S A A g e n t A pp l i c a n t C om p a n y n a me : MIR A M ONT SOLUT I ONS LL C USA A dd r ess : 1 9 GEORG E TOWN , I R VIN E , CA 9 26 1 2 U n i t e d S t a t es FR N N um b er. 00363 1 33 6 9 C o n t a c t N ame : W e n y i W a n g T e l e p h o n e N o : 95 1 40 1 3633 E m a l l : we n y i w a n g @ m i r a m o n t so l u t i o n s . c o m S g n a t r C om p an y name : S h en z h en W a l m e t T e c h no l o g y C o . , L t d . A dd r ess : N o . 3 6 , S ec o n d I n d us t r i a l Z o n e , H ou T i n g , S h a J i n g , B ao A n D i s t r i c t , S h en z h en China F R N : 003 8 1 488 88 FCC G ran t ee C o d e : 2 BU 63 C o n t a c t N a m e : M i n g m i n g Z h u T e l e p h o n e N o : + 86 - 1 30 4 9 3 7 688 8 E m a i l : b os s @ w a l me t ec h . com S i g n a t u r e : e T i t l e : M a n a D a t e : 202 6 . 3 . 3 1 T i t l e : C E C D a t e : 202 6 . 3 . 3 1 N O T E 1 : A n a pp li ca n t l oca t e d i n t h e U n i t e d S t a t es ma y d es i g i a t e i t se lf as t h e a g en t f o r serv i c e o f p rocess . R e f e r e n ce ; F e d e r a l R e g i s t er d oc u m e n t 2 022 - 2 8263 p u b i s h e d o n 02 1 06 / 23 h tt p s : / ww. f e d era l re g i s t er g ov l d ocumen t s / 2023 1 02106 / 2022 - 28263 / p r o t ec t i n g -a g a i ns t -na t i ona l -secur i t y t h rea t s - t o - t h e comm u n i ca t i ons - s u pp l v- c h a i n- t h rou g h - t h e 2 . 911 ( d )( 7 ) U S AA g en t v 1 . 5

ShenzhenWalmetTechnologyCo.,Ltd. AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Apr.5,26 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BU63-H78WK ShenzhenWalmetTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§ 1.50002ofreferencechapter,asanentityproducing“covered”communicationequipment.The equipmentforwhichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideo surveillanceequipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibited fromreceivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:MingmingZhu Title:Manager Address:No.36,SecondIndustrialZone,HouTing,ShaJing,BaoAnDistrict,Shenzhen,China Tel:+86-13049376888 Email:[email protected]

ShenzhenWalmetTechnologyCo.,Ltd. 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Apr.5,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2BU63-H78WK ProductName:2.4G/BTKeyboard Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:MingmingZhu Title:Manager Address:No.36,SecondIndustrialZone,HouTing,ShaJing,BaoAnDistrict,Shenzhen,China Tel:+86-13049376888 Email:[email protected] ShenzhenWalmetTechnologyCo.,Ltd. 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

ShenzhenWalmetTechnologyCo.,Ltd. (March31,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BU63-H78WK PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow: BlockDiagram  Schematics OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. Sincerely, (Signature) PrintedName:MingmingZhu Title:Manager Address:No.36,SecondIndustrialZone,HouTing,ShaJing,BaoAnDistrict,Shenzhen,China Tel:+86-13049376888 Email:[email protected]

ShenzhenWalmetTechnologyCo.,Ltd. (March31,2026) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BU63-H78WK I,theundersigned,herebyauthorize( BTFTestingLab(Shenzhen)Co.,Ltd. )toactonour behalfinallmattersrelatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(BTFTestingLab(Shenzhen)Co.,Ltd.)shallhavethesameeffectas ourownandIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsof certification,asspecifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith (ShenzhenWalmetTechnologyCo.,Ltd.). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) (FullnameofcontactpersonlistedonFCC’swebsite)MingmingZhu (Title)Manager Tel:+86-13049376888 Email:[email protected]

ReportNumber:BTF260310R00701 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page1of4 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen, Guangdong,China Email:[email protected]:+86-755-23146130http://www.btf-lab.comVersion:1/00 AppendixIIExternalPhotos ReportNumber:BTF260310R00701 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page2of4 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen, Guangdong,China Email:[email protected]:+86-755-23146130http://www.btf-lab.comVersion:1/00 ReportNumber:BTF260310R00701 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page3of4 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen, Guangdong,China Email:[email protected]:+86-755-23146130http://www.btf-lab.comVersion:1/00 ReportNumber:BTF260310R00701 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page4of4 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen, Guangdong,China Email:[email protected]:+86-755-23146130http://www.btf-lab.comVersion:1/00

FCCIDLabelLocation LabelSizeL*W:70mm*40mm 2.4G/BTKeyboard CloudAntsWALH78W FCCID:2BU63-H78WK Packageasbelow:

Report Number: BTF260310R00701 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 1 of 3 BTF Testing Lab (Shenzhen) Co., Ltd. Plant 101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, Guangdong, China Email: [email protected] Tel: +86-755-23146130 http://www.btf-lab.com Version: 1/00 Appendix III Internal Photos Report Number: BTF260310R00701 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 2 of 3 BTF Testing Lab (Shenzhen) Co., Ltd. Plant 101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, Guangdong, China Email: [email protected] Tel: +86-755-23146130 http://www.btf-lab.com Version: 1/00 Report Number: BTF260310R00701 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 3 of 3 BTF Testing Lab (Shenzhen) Co., Ltd. Plant 101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, Guangdong, China Email: [email protected] Tel: +86-755-23146130 http://www.btf-lab.com Version: 1/00

TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page1of9 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdon g,China Email:[email protected]:+86-755-23146130http://www.btf-lab.comVersion:1/00 HealthTestReport For Applicantname: ShenzhenWalmetTechnologyCo.,Ltd. Address: No.36,SecondIndustrialZone,HouTing,ShaJing,BaoAnDistrict, Shenzhen EUTname: 2.4G/BTKeyboard Brandname: N/A Modelnumber: CloudAntsWALH78W Seriesmodelnumber: N/A FCCID: 2BU63-H78WK IssuedBy Companyname: BTFTestingLab(Shenzhen)Co.,Ltd. Address: Plant101,201and301,Building1,Block2,TantouIndustrialPark, TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen, Guangdong,China Reportnumber: BTF260310R00703 Teststandards: 47CFRPart2SubpartJSection2.1093 Testconclusion: Pass Dateofsamplereceipt: 2026-03-10 Testdate: 2026-03-10to2026-03-24 Dateofissue: 2026-03-30 Preparedby: Approvedby: ChrisLiu/Project engineer Ryan.CJ/EMCmanager Note:Allthetestresultsinthisreportonlyrelatedtothetestingsamples.Whichcanbeduplicatedcompletelyforthelegalusewithapprovalof applicant;itshallnotbereproducedexceptinfullwithoutthewrittenapprovalofBTFTestingLab(Shenzhen)Co.,Ltd.,Alltheobjectionsshouldbe raisedwithinthirtydaysfromthedateofissue.Tovalidatethereport,youcancontactus. ReportNumber:BTF260310R00703 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page2of9 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdon g,China Email:[email protected]:+86-755-23146130http://www.btf-lab.comVersion:1/00 RevisionHistory VersionIssuedateRevisionscontent R_V02026-03-30Original ReportNumber:BTF260310R00703 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page3of9 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdon g,China Email:[email protected]:+86-755-23146130http://www.btf-lab.comVersion:1/00 TableofContents 1Introduction...............................................................................................................................................................4 1.1LaboratoryLocation..........................................................................................................................................4 1.2LaboratoryFacility............................................................................................................................................4 1.3Announcement..................................................................................................................................................4 2ProductInformation..................................................................................................................................................5 2.1ApplicationInformation.....................................................................................................................................5 2.2ManufacturerInformation.................................................................................................................................5 2.3FactoryInformation...........................................................................................................................................5 2.4GeneralDescriptionofEquipmentunderTest(EUT)......................................................................................5 2.5TechnicalInformation.......................................................................................................................................5 3RFOutputPower.......................................................................................................................................................6 4AppliedReferenceDocuments................................................................................................................................7 5RFExposureLimit....................................................................................................................................................7 6RFExposureAssessment........................................................................................................................................8 ReportNumber:BTF260310R00703 TotalorpartialreproductionofthisdocumentwithoutpermissionoftheLaboratoryisnotallowed.Page4of9 BTFTestingLab(Shenzhen)Co.,Ltd. Plant101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdon g,China Email:[email protected]:+86-755-23146130http://www.btf-lab.comVersion:1/00 1Introduction 1.1LaboratoryLocation Testlocation:BTFTestingLab(Shenzhen)Co.,Ltd. Address: Plant101,201and301,Building1,Block2,TantouIndustrialPark,Tantou Community,SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China Description: AllmeasurementfacilitiesusedtocollectthemeasurementdataarelocatedatPlant 101,201and301,Building1,Block2,TantouIndustrialPark,TantouCommunity, SonggangStreet,Bao'anDistrict,Shenzhen,Guangdong,China Phonenumber:+86-0755-23146130 Faxnumber:+86-0755-23146130 1.2LaboratoryFacility Thetestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: FCC-DesignationNo.:CN1409 BTFTestingLab(Shenzhen)Co.,Ltd.hasbeenaccreditedasatestinglaboratorybyFCC(Federal CommunicationsCommission).ThetestfirmRegistrationNo.is695374. CNAS-RegistrationNo.:CNASL17568 BTFTestingLab(Shenzhen)Co.,Ltd.isaccreditedtoISO/IEC17025:2017GeneralRequirementsfor theCompetenceofTestingandCalibrationlaboratoriesforthecompetenceoftesting.TheRegistration No.isCNASL17568. A2LA-RegistrationNo.:6660.01 BTFTestingLab(Shenzhen)Co.,Ltd.isaccreditedinaccordancewiththerecognizedInternational StandardISO/IEC17025:2017Generalrequirementsforthecompetenceoftestingandcalibration laboratories. 1.3Announcemen…

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Report No.: BL-SZ2450497-902 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2024-02-22) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Shenzhen Boyi Innovation Technology Co., Ltd Address: North, 5 / F, Building 3, Tea West, Zone A, Huafeng First Science Park, Hangcheng Street, Baoan District, Shenzhen Equipment Type: BYKC-OM6228A2 Model Name: BYKC-118 Brand Name: Boyi scientific and technological innovation Test Standard: IEEE Std 149-2021 Sample Arrival Date: May 14, 2024 Test Date: May 14, 2024 Date of Issue: May 16, 2024 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Mai Jintian Checked by: Xia Long Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ2450497-902 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2024-02-22) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Rev. 01 May 16, 2024 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ......................................................................................................... 3 1.1 Test Laboratory ..................................................................................................................... 3 1.2 Test Location ......................................................................................................................... 3 2 PRODUCT INFORMATION ......................................................................................................... 4 2.1 Applicant Information ............................................................................................................ 4 2.2 Manufacturer Information ...................................................................................................... 4 2.3 General Description for Equipment under Test (EUT) .......................................................... 4 2.4 Ancillary Equipment .............................................................................................................. 4 2.5 Technical Information ............................................................................................................ 4 3 SUMMARY OF TEST RESULTS ................................................................................................. 5 3.1 Test Standards ...................................................................................................................... 5 3.2 Test Verdict ........................................................................................................................... 5 3.3 Test Uncertainty .................................................................................................................... 5 4 GENERAL TEST CONFIGURATIONS ........................................................................................ 6 4.1 Test Condition ....................................................................................................................... 6 4.2 Test Equipment List .............................................................................................................. 6 4.3 Test Setup ............................................................................................................................. 7 4.4 Test Frequencies .................................................................................................................. 7 ANNEX A TEST RESULTS ............................................................................................................. 8 A.1 Gain and Efficiency ............................................................................................................... 8 ANNEX B RADIATION PATTERN .................................................................................................. 9 ANNEX C TEST SETUP PHOTO ................................................................................................. 12 ANNEX D EUT PHOTO ................................................................................................................ 13 Report No.: BL-SZ2450497-902 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2024-02-22) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shenzhen BALUN Technology Co., Ltd. Address Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Phone Number +86 755 6685 0100 1.2 Test Location Name Shenzhen BALUN Technology Co., Ltd. Location Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1/F, Building B, Ganghongji High-tech Intelligent Industrial Park, No. 1008, Songbai Road, Yangguang Community, Xili Sub-district, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2450497-902 Tel: +86-755-66850100 E-mail: [email protected] Page No. 4 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2024-02-22) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant Shenzhen Boyi Innovation Technology Co., Ltd Address North, 5 / F, Building 3, Tea West, Zone A, Huafeng First Science Park, Hangcheng Street, Baoan District, Shenzhen Contact Person Wang Weiyuan Telephone Number 18675575732 E-mail Address [email protected] 2.2 Manufacturer Information Manufacturer Shenzhen Boyi Innovation Technology Co., Ltd Address North, 5 / F, Building…

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Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 1 of 50 BTF Testing Lab (Shenzhen) Co., Ltd. Plant 101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, Guangdong, China Email: [email protected] Tel: +86-0755-23146130 http://www.btf-lab.com Version: 1/00 RF Test Report For Applicant name: Shenzhen Walmet Technology Co., Ltd. Address: No.36, Second Industrial Zone, Hou Ting, Sha Jing, Bao An District, Shenzhen EUT name: 2.4G/BT Keyboard Brand name: N/A Model number: Cloud Ants WAL H78W Series model number: N/A FCC ID: 2BU63-H78WK Issued By Company name: BTF Testing Lab (Shenzhen) Co., Ltd. Address: Plant 101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, Guangdong, China Report number: BTF260310R00701 Test standards: 47 CFR Part 15.247 Test conclusion: Pass Date of sample receipt: 2026-03-10 Test date: 2026-03-10 to 2026-03-24 Date of issue: 2026-03-25 Prepared by: Approved by: Chris Liu / Project engineer Ryan.CJ / EMC Manager Note: All the test results in this report only related to the testing samples. Which can be duplicated completely for the legal use with approval of applicant; it shall not be reproduced except in full without the written approval of BTF Testing Lab (Shenzhen) Co., Ltd., All the objections should be raised within thirty days from the date of issue. To validate the report, you can contact us. Report Number: BTF260310R00701 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 2 of 50 BTF Testing Lab (Shenzhen) Co., Ltd. Plant 101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, Guangdong, China Email: [email protected] Tel: +86-0755-23146130 http://www.btf-lab.com Version: 1/00 Revision History Version Issue Date Revisions Content R_V0 2026-03-25 Original Note: Once the revision has been made, then previous versions reports are invalid. Report Number: BTF260310R00701 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 3 of 50 BTF Testing Lab (Shenzhen) Co., Ltd. Plant 101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, Guangdong, China Email: [email protected] Tel: +86-0755-23146130 http://www.btf-lab.com Version: 1/00 Table of Contents 1 Introduction ........................................................................................................................................................ 4 1.1 Laboratory Location ................................................................................................................................... 4 1.2 Laboratory Facility ...................................................................................................................................... 4 1.3 Announcement ........................................................................................................................................... 4 2 Product Information ........................................................................................................................................... 5 2.1 Application Information .............................................................................................................................. 5 2.2 Manufacturer Information ........................................................................................................................... 5 2.3 Factory Information .................................................................................................................................... 5 2.4 General Description of Equipment under Test (EUT) ................................................................................ 5 2.5 Technical Information ................................................................................................................................. 6 3 Summary of Test Results .......................................................................................................................…

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