2ASNS004FM RECEIVER

TCB CALL página 1 File FCC ID: 2ASNS004 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : https://opencorporates.com/companies/us_ca/5609641 Google: TCB CALL página 2 TCB CALL página 3 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed2_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_Ed2_US_Agent_Letter"

ShenzhenRetevisTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 2026/8/13 U.S.AgentDesignation ShenzhenRetevisTechnologyCo.,Ltd.acknowledgestheirconsentforthefollowingcontactlocatedinthe UnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought(FCC ID:2ASNS004): NameandcompanyofU.S.agent:RETEVISINC PhysicalU.S.addressofagent:1733EBROOKPORTSTCOVINA,CA91724UnitedStates FRNofU.S.agent:0033657701 EmailaddressofU.S.agent:[email protected] TelephoneNo:+1（626）3622594 RETEVISINCacknowledgestheirobligationtoacceptserviceofprocessonbehalfofShenzhenRetevis TechnologyCo.,Ltd. ShenzhenRetevisTechnologyCo.,Ltd.withtheFRN0028298024acceptsitsobligationtomaintainanagent forserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofany Commission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature [Name]Dongfang Shen [Title]General Manager [Company]Shenzhen Retevis Technology Co., Ltd. Contact Email: [email protected] ContactPhone: 0755-23481953 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5 ShenzhenRetevisTechnologyCo.,Ltd. Signature [NameofU.S.agent]LIUYELI [TitleofU.S.agent]Director [CompanyofU.S.agent]RETEVISINC

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 Shenzhen Retevis Technology Co., Ltd. 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 Retevis Technology Co., Ltd. Grantee code: 2ASNS FCC ID: 2ASNS004 FRN: 0028298024 Contact Name: Dongfang Shen Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Telephone No: +86-755-23481953 Fax No: +86-755-23481953 Email: [email protected] i. [Shenzhen Retevis 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 Retevis 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 Retevis Technology Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered List as an entity producing “covered” equipment . Date: 2026/08/25 Applicant’s Name: Dongfang Shen 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 Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1

Shenzhen Retevis Technology Co., Ltd. Code 00018768 Ed. 1 Item 1. The device is able to install software/program installation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky cybersecurity or anti-virus software. Item 2. Technical Requirements for Kaspersky Cybersecurity Software: # General Requirements (For all Devices) Yes / No or N/A Comments 1 Internet connection for activation and updates (For all Operating Systems) Elija un elemento. Device FM RECEIVER Company name Shenzhen Retevis Technology Co., Ltd. Grantee code 2ASNS FCC ID 2ASNS004 FRN 0028298024 Contact name Dongfang Shen Address 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Telephone number +86-755-23481953 E-mail [email protected] Chipset/module information HL214D, S03L48 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 Elija un elemento. 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 Elija un elemento. 3 Processor: 1 GHz or higher (x86 or x64) Elija un elemento. 4 Memory (RAM)1 GB (32-bit) or 2 GB (64-bit) Elija un elemento. 5 Screen Resolution: Minimum resolution of 1024 x 768 Elija un elemento. # General Requirements (For macOS devices) Yes / No or N/A Comments 1 Operating System macOS® 13 – 14 Elija un elemento. 2 Memory (RAM)4 GB Elija un elemento. 3 Storage: 3455 MB free space on the hard drive Elija un elemento. # General Requirements (For Android Devices) Yes / No or N/A Comments 1 Storage: 150 MB free space Elija un elemento. 2 Operating System: Android™ 10 – 14 Elija un elemento. 3 Screen Resolution: Minimum resolution of 320 x 480 Elija un elemento. 3 # General Requirements (for iOS devices) Yes / No or N/A Comments 1 Storage: 150 MB free space Elija un elemento. 2 Operating System: iOS® 17 Elija un elemento. # 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 3 RAM: 1 GB 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 ; 4 After reviewed the technical requirements, is the device capable of supporting the installation of Kaspersky software? ☐ Yes, go to Item 3. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky software Item 3. Connectivity Capabilities: # Physical Interface Purpose Justification 1 1 # 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: Dongfang Shen Date:2026-08-25 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications.

ShenzhenRetevisTechnologyCo.,Ltd. ProductSimilarityDeclaration Productname:FMRECEIVER Modelname:TA004,TA004P,TA004A FCCID:2ASNS004 We(ShenzhenRetevisTechnologyCo.,Ltd.)herebystatethatallthe modelsareelectricalidenticalincludingthesamesoftwareparameter andhardwaredesign(i.e.,circuitdesign,PCBLayout,RF module/circuit,antennatype(s)andantennalocation,componentson PCB,etc.,),samemechanicalstructureanddesign(includingproduct enclosure,materials,etc.,),theonlydifferenceisthemodelname. Signature: Name:DongfangShen Title:Manager 2026/8/26

C5266091_X10_Ed.2 1/1 ShenzhenRetevisTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026-08-26 Subject:RequestforConfidentiality FCCID:2ASNS004 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-TermConfidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☒ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☒ User’sManual ☐ NOTE 1 ☒ InternalPhotos ☐ NOTE 1 ☒ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselectedabove arewithheldfrompublicviewforaperiodof___180___daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Name:DongfangShen Title:Manager 2026/8/26

C5266091_X8_Ed.1 1/1 Letter of Authorization Shenzhen Retevis Technology Co., Ltd. Company: Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Product Name: FM RECEIVER Model Number: TA004, TA004P, TA004A FCC Identifier: 2ASNS004 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: Dongfang Shen Date: 2026.08.25 Title: Manager Signature of applicant:

LabelLocationOnEUT Confirmtheuseofrealappearancephotosasreferences Label:(Size:28*7mm)

Page 1 of 19 FCC Test Report Report No.:1812C60378312501 Applicant:Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Product Name:FM RECEIVER Report Date:2026-09-02 Shenzhen Anbotek Compliance Laboratory Limited #检测章# #资质章# #报告二维码# Report No.:1812C60378312501Page 2 of 19 FCC ID: 2ASNS004 Contents 1. General Information ...............................................................................................................................4 1.1. Client Information ........................................................................................................................4 1.2. Description of Device (EUT) ........................................................................................................4 1.3. Auxiliary Equipment Used During Test........................................................................................5 1.4. Description of Test Mode(s) ........................................................................................................5 1.5. Measurement Uncertainty ...........................................................................................................5 1.6. Test Summary .............................................................................................................................5 1.7. Description of Test Facility ..........................................................................................................6 1.8. Disclaimer....................................................................................................................................6 1.9. Test Equipment List.....................................................................................................................7 2. Conducted emissions on AC mains.......................................................................................................8 2.1. EUT Operation ............................................................................................................................8 2.2. Test Setup ...................................................................................................................................8 2.3. Test Data .....................................................................................................................................9 3. Radiated emissions (Below 1GHz) ......................................................................................................11 3.1. EUT Operation ..........................................................................................................................11 3.2. Test Setup .................................................................................................................................11 3.3. Test Data ...................................................................................................................................12 4. Radiated emissions (Above 1GHz) .....................................................................................................16 4.1. EUT Operation ..........................................................................................................................16 4.2. Test Setup .................................................................................................................................16 4.3. Test Data ...................................................................................................................................17 APPENDIX I -- TEST SETUP PHOTOGRAPH .......................................................................................19 APPENDIX II -- EXTERNAL PHOTOGRAPH .........................................................................................19 APPENDIX III -- INTERNAL PHOTOGRAPH..........................................................................................19 Report No.:1812C60378312501Page 3 of 19 FCC ID: 2ASNS004 TEST REPORT Applicant:Shenzhen Retevis Technology Co., Ltd. Manufacturer:HONG KONG RETEKESS CO.,LIMITED Product Name:FM RECEIVER Model No.:TA004, TA004P, TA004A Trade Mark:RETEKESS Rating(s): Input: 5V⎓1A Battery Capacity: 3.7VDC, 1000mAh Test Standard(s): FCC 47 CFR Part 15 Subpart B ANSI C63.4-2014 The device described above is tested by Shenzhen Anbotek Compliance Laboratory Limited to determine the maximum emission levels emanating from the device and the severe levels of the device can endure and its performance criterion. The measurement results are contained in this test report and Shenzhen Anbotek Compliance Laboratory Limited is assumed full of responsibility for the accuracy and completeness of these measurements. Also, this report shows that the EUT (Equipment Under Test) is technically compliant with above listed standard(s) requirements. This report applies to above tested sample only and shall not be reproduced in part without written approval of Shenzhen Anbotek Compliance Laboratory Limited. Date of Receipt:2026-07-02 Date of Test:2026-07-02 to 2026-07-31 Prepared By: (Cecilia Chen) Approved & Authorized Signer: (Jules Guo) Report No.:1812C60378312501Page 4 of 19 FCC ID: 2ASNS004 1. General Information 1.1. Client Information Applicant:Shenzhen Retevis Technology Co., Ltd. Address: 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Manufacturer:HONG KONG RETEKESS CO.,LIMITED Address: FLAT/RM 1019B 10/F LIVEN HOUSE NO.61-63 KING YIP STREET KWUN TONG KL, HONGKONG, CHINA 1.2. Description of Device (EUT) Product Name: FM RECEIVER Model No.: TA004, TA004P, TA004A (Note: All samples are the same except the model number, so we prepare “TA004” for test only.) Trade Mark:RETEKESS Test Power Supply:5VDC from adapter input 120VAC/60Hz; 3.7VDC Battery inside Test Sample No.:1-1-1 Adapter:N/A RF Specification Operation Band:863.3MHz, 863.9MHz, 864.9MHz(Only RX) Modulation Type…

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HONGKONGRETEKESSCO.,LIMITED ProductTechnicalSpecifications ApprovalCertificate APPROVALSHEET 品名規格Specification：15/0.0825MM 物料編號MaterialNO:30905-0024-00 送樣日期SentSampleDate:2026-08-24 承認日期：ApprovedDate:2026-08-24 LiXiangadmittamcetable(Signature&Chop)： 製錶Desigmedby審核Checkedby核准Approvedby 林秀刘灿模余赋成 Customeradmittamcetable(Signature&Chop) 製錶Desigmedby審核Checkedby核准Approvedby 公司地址 Add ： FLAT/RM1019B10/FLIVENHOUSENO.61-63KINGYIPSTREETKWUN TONGKL 電話 Tel ： 0755-85289923 傳真 Fax ： 85289923 業務聯繫人 BusinessContactor ：余生 HONGKONGRETEKESSCO.,LIMITED 15/0.0825mmEnameledWire Specifications: 1.Electricalproperties:(15C/Ø0.08)*1C;resistance≤0.55Ω/m 2.Flexing/swingtest: a.Weight:200g;b.Angle:±65º;c.Frequency:30cycles/minute; d.Lifespan:>2,000cycleswithnoelectricalabnormalities; 3.Tensiletest: 3-1.Wire/Cable:≥1.0kgfor1minute;noelectricalabnormalities; 3-2.Insulation/Jacket:≥1.0kgfor1minute;noabnormalities; 4.Physicalproperties: 4-1.Non-migration:65ºCconstanttemperature/500gload/48hours;no migrationordiscoloration; 4-2.Hazardoussubstancestandards:CompliantwithRoHS(2002/95/EC) Additionalnotes: ·Conductorconsistsofmultiplestrandedinsulatedcopperwires ·Easytocut ·Resistanttoacids,alkalis,oil,moisture,andmold ·Passesverticalflameretardancytest Applications ·Generalelectronicandelectricalequipment Illustration Color Length Insulation thickness Finishedouter diameter Numberof strands/ Strand diameter Rubber compound softness Enamel color 25mm±2mm0.2mm0.6mm±0.05mm15*0.08TPEE