2BSIC-OAKC-AT-BRKeychain with key finder

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:HOPEKCORPORATIONINC Address:16755CoyoteBushDrUnit84,SanDiego,CA92127UnitedStates FRN:0034562900 ContactName:PeterDavis TelephoneNo:561-235-6113 E-mail:[email protected] ThisletteristoconfirmthattheUSAgentforServiceofProcessacceptsresponsibilitytoactas alocalrepresentativeonbehalfofShantouYuenengElectronicCo.,Ltd TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. Applicant: CompanyName:ShantouYuenengElectronicCo.,Ltd ProductDescription:Keychainwithkeyfinder FRN:0037548088 GranteeCode:2BSIC FCCID:BSIC-2OAKC-AT-BR ContactName:KaijieLu Address:He'anBuilding,FengxiangNorth2ndStreet,FenggangVillage,GuiyuTown,Chaoyang District,Shantou TelephoneNo:18565191136 E-mail:[email protected] TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. ThisAgreementisvaliduntil(Permanentlyvalid). Date:2025/12/19 Applicant’sName: ShantouYuenengElectronicCo.,Ltd USAgentforServiceofProcess’sName: HOPEKCORPORATIONINC Title:DirectorTitle:Manager SignatureSignature

Rev 1/26/2023 Shantou Yueneng Electronic Co.,Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Dec. 16, 2025 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BSIC-OAKC-AT-BR [Shantou Yueneng Electronic Co.,Ltd] 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. [Shantou Yueneng Electronic Co.,Ltd] certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, (Applicant signature) (Applicant printed name) Kaijie Lu Rev 1/26/2023 Shantou Yueneng Electronic Co.,Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Dec. 16, 2025 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BSIC-OAKC-AT-BR [Shantou Yueneng Electronic Co.,Ltd] certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Kaijie Lu

2.4GHz 2012 Ch ip Antenna: RA NT2012F245C0 7 Dimens ion (mm) L2.05+-0.10 W1.20+-0.10 T0.65+-0.10 No.Te rmina l Name 1Fe eding/GNG 2GND Applicati on: WLAN, 802.11b/g, Bluetooth, WLAN, etc... Featu res SMD, high reliability, ultra Impact , Omni-direct ional... Pa rt number Info rmati on RANT2012F245C07 (A)(B)(C)(D)(E)(F) (A)Product Ty peChip Antenna (B) Size Code2.0x1.2mm(+-0.2mm) (C) MaterialHigh K material (D) Fr equency2.4 ~ 2.5GHz (E) Fe eding modePIFA & Single Fe eding (F) Antenna typeType=07 El ectr ical Sp ecifi cati on Worki ng Fr equency Range2400 ~2484 MHz Bandwidth84 (Min.) Peak Gain2.7 dBi (Typ.) Impedance50 Ohm Return loss10 dB ( Min) Polariza tionLinear Azimuth BeamwidthOmni-direct ional Operation Temperature( °C )-40 ~85 °C Resi st ance to Soldering Heats 10se c. ( @ 280°C) Te rminationNi / Au (Leadless) The specification is defined on EVB. Dimension and Terminal Confi gurati on TEL: 13530576606 RAIN International Te ch nology Co., Ltd. 7 / F, Building F, Zhichuang Park, Tong 'an, Gushu, Shenzhen 2.4GHz2012ChipAntenna:RANT2012F245C07 EvaluationBoardReference PCBDimensionAntennaLayoutReferenceUnit:mm ElectricalCharacteristics ReturnLoss ReturnLoss&Radiation 1 Frequency(MHz) S11(dB) 2400-10.77 2450-24.81 2484-10.243 Radiation Z Y X 2400MHz2450MHz2500MHz Efficiency70.56%75.25%71.01% 2.4GHz2012ChipAntenna:RANT2012F245C07 TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 20127”5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTDP PaperType2012 1.50±0.202.30±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.101.57±0.104.0±0.1 2.4GHz2012ChipAntenna:RANT2012F245C07 ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz2012ChipAntenna:RANT2012F245C07 2.4GHz2012ChipAntenna:RANT2012F245C07 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12020/10/15NewDatasheet

Shantou Yueneng Electronic Co.,Ltd Family models declaration letter Dec. 16, 2025 We Shantou Yueneng Electronic Co.,Ltd Of He'an Building, Fengxiang North 2nd Street, Fenggang Village, Guiyu Town, Chaoyang District, Shantou Declare under our sole responsibility that the product FCC ID: 2BSIC-OAKC-AT-BR Product: Keychain with key finder Model Number: OAKC-AT-BR, OAKC-AT-BR-1P, OAKC-AT-BR-2P, OAKC-AT-BR-BD All the models are the same circuit and module, except the packaging and model No.. Kaijie Lu/ Director E-mail : [email protected] Phone : 18565191136 Fax : 18565191136 Address : He'an Building, Fengxiang North 2nd Street, Fenggang Village, Guiyu Town, Chaoyang District, Shantou

Shantou Yueneng Electronic Co.,Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: December 17, 2025 Subject; Request for Confidentiality FCC ID: 2BSIC-OAKC-AT-BR To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Kaijie Lu Title: Director

Effective Date: April 2, 2020 QSF 7.6.4-8 – Agent Authorization Letter Template Page 1 of 1 Revision Date: Revision: 0 Shantou Yueneng Electronic Co.,Ltd Date: Dec. 16, 2025 Product Model Number: OAKC-AT-BR, OAKC-AT-BR-1P, OAKC-AT-BR-2P, OAKC-AT-BR- BD FCC ID: 2BSIC-OAKC-AT-BR To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:  Testing  Approval applications and procedures We declare that QAI Laboratories Ltd. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by QAI Laboratories Ltd. on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Title: Director Email: [email protected] Telephone: 18565191136 On behalf of: Shantou Yueneng Electronic Co.,Ltd

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- Page 1 of 9 - Report No.: HB20251209006E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com RF EXPOSURE Test Report Product: Keychain with key finder Trade Mark: Oaridey Model Number: OAKC-AT-BR FCC ID: 2BSIC-OAKC-AT-BR Prepared for Shantou Yueneng Electronic Co.,Ltd He'an Building, Fengxiang North 2nd Street, Fenggang Village, Guiyu Town, Chaoyang District, Shantou Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 9 - Report No.: HB20251209006E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION ..................................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 5 1.2 TEST MODE .............................................................................................................................................................. 5 1.3 TEST SETUP .............................................................................................................................................................. 5 1.4 ANCILLARY EQUIPMENT .............................................................................................................................................. 5 2 TEST FACILITIES AND ACCREDITATIONS .............................................................................................................. 6 2.1 TEST LABORATORY ..................................................................................................................................................... 6 2.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 6 2.3 MEASUREMENT UNCERTAINTY ..................................................................................................................................... 6 2.4 TEST SOFTWARE ........................................................................................................................................................ 6 3 LIST OF TEST EQUIPMENT .................................................................................................................................. 7 4 RF EXPOSURE..................................................................................................................................................... 8 4.1 STANDALONE SAR TEST EXCLUSION CONSIDERATIONS........................................................................................................ 8 4.1.1. Limit ............................................................................................................................................................ 8 4.1.2. Test Procedures ........................................................................................................................................... 8 4.1.3. Test Result ................................................................................................................................................... 9 - Page 3 of 9 - Report No.: HB20251209006E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com TEST RESULT CERTIFICATION Applicant’s Name ................. : Shantou Yueneng Electronic Co.,Ltd Address ................................. : He'an Building, Fengxiang North 2nd Street, Fenggang Village, Guiyu Town, Chaoyang District, Shantou Manufacturer's Name .......... : Shenzhen XinNengDa Technology Co.,Ltd Address ................................. : 301, Building A4, No. 11, Tianyang 4th Road, Dongfang Community, Songgang Street, Bao'an District, Shenzhen, Guangdong, China Product description Product name ........................ : Keychain with key finder Model Number ....................... : OAKC-AT-BR Standards ............................. : FCC CFR 47 PART 1 , 1.1310 Test procedure ....................... : KDB 447498 D01 General RF Exposure Guidance v06 This device described above has been tested by Shenzhen HongBiao Certification& Testing Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the EMC requirements. And it is applicable only to the tested sample identified in the report. Date of Test ........................................... : Date (s) of performance of tests ............. : Dec. 09, 2025~Dec. 16, 2025 Test Result .............................................. : Pass Testing Engineer : ( Z o e Su) Technical Manager : ( G a r y Lu) Authorized Signatory : (L e o S u) - Page 4 of 9 - Report No.: HB20251209006E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Revision History Revised No. Date of Issue Description 01 Dec. 16, 2025 Original - Page 5 of 9 - Report No.: HB20251209006E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.…

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- Page 1 of 50 - Report No.: HB20251209006E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Test Report Product: Keychain with key finder Trade Mark: Oaridey Model Number: OAKC-AT-BR FCC ID: 2BSIC-OAKC-AT-BR Prepared for Shantou Yueneng Electronic Co.,Ltd He'an Building, Fengxiang North 2nd Street, Fenggang Village, Guiyu Town, Chaoyang District, Shantou Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 50 - Report No.: HB20251209006E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION ..................................................................................................................................... 6 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 6 1.2 TEST MODE .............................................................................................................................................................. 6 1.3 OPERATION CHANNEL LIST ........................................................................................................................................... 7 1.4 TEST SETUP .............................................................................................................................................................. 7 1.5 POWER SETTING CONFIGURATION PARAMETERS ............................................................................................................... 7 1.6 ANCILLARY EQUIPMENT .............................................................................................................................................. 7 2 SUMMARY OF TEST RESULT ............................................................................................................................... 8 3 TEST FACILITIES AND ACCREDITATIONS .............................................................................................................. 9 3.1 TEST LABORATORY ..................................................................................................................................................... 9 3.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 9 3.3 MEASUREMENT UNCERTAINTY ..................................................................................................................................... 9 3.4 TEST SOFTWARE ...................................................................................................................................................... 10 4 LIST OF TEST EQUIPMENT .................................................................................................................................11 5 TEST ITEM AND RESULTS ...................................................................................................................................13 5.1 ANTENNA REQUIREMENT .......................................................................................................................................... 13 5.1.1 Standard Requirement ............................................................................................................................. 13 5.1.2 Test Result ................................................................................................................................................. 13 5.2 CONDUCTED EMISSION ............................................................................................................................................. 14 5.2.1 Limits ........................................................................................................................................................ 14 5.2.2 Test Procedures ......................................................................................................................................... 14 5.2.3 Test Setup .................................................................................................................................................. 15 5.2.4 Test Result ................................................................................................................................................. 15 5.3 RADIATED EMISSION ................................................................................................................................................ 16 5.3.1 Limits ........................................................................................................................................................ 16 5.3.2 Test Procedures ......................................................................................................................................... 16 5.3.3 Test Setup .................................................................................................................................................. 16 5.3.4 Test Result ................................................................................................................................................. 17 5.3.5 Band Edge - Radiated ............................................................................................................................... 21 5.3.6 Spurious emission in restricted band 1000MHz-25000MHz .................................................…

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Photographs of the Test Setup Model: OAKC-AT-BR Radiated Emission Below 1GHz Radiated Emission Above 1GHz