2AK3Z-202607R/C CAR

Shantou Dihua trading Co., Ltd U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Baihetian Innovative Solutions FRN: 0033401605 Contact Name: Kenneth Young Street Address: 6837 Chase Rd City/Province/Zip: Dearborn, MI 48126 Telephone No: 313-395-3113 Email: [email protected] This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: Aug 5, 2026 Signed by (Printed Name/Title): Kenneth Young/Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Shantou Dihua trading Co., Ltd Grantee Code: 2AK3Z FCC ID: 2AK3Z-202607, 2AK3Z-202608 Contact Name: Kevin Chan Street Address: No.1 Leshan road, City/Province/Zip: Shantou, Guangdong, China Telephone No: 0754-86311626 Email: [email protected] Applicant Signature: Date: August 5, 2026 Signed by (Printed Name/Title): Kevin Chan/ Sales manager Aug 2026

FCC COVERED LIST DECLARATION LETTER Page 1 of 1 Revision 1.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Shantou Dihua trading Co., Ltd Address No.1 Leshan road,Shantou,Guangdong,China FRN 0026134577 Grantee Code 2AK3Z FCC ID: 2AK3Z-202607 Authorized Contact Name Kevin Chan Contact Phone 0754-86311626 Contact Email [email protected] Shantou Dihua trading Co., Ltd (“the applicant”) certifies: - 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. - as of the date of the filing of the application, the applicant [ is not] identified on the Covered list, established pursuant to §1.50002, as an entity producing “covered” equipment. - the software to be loaded prior to marketing of the equipment identified above is not “covered” software manufactured by any entity including predecessors, successors, parents, subsidiaries, affiliates or any entity which has rebranded or relabeled the software produced by the entity(ies) identified on the “Covered List”. - the device is not capable of storing or running software listed on the covered list and therefore is inherently compliant. NOTE: Justification/evidence explaining how compliance is met must accompany this letter Link to the Covered List: Covered List Applicant Signature: Date:6-26-2026 Print Name: Kevin Chan Title: Sales manager *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Application Declaration QSF21-14-04 Rev 1.4 April 25, 2025 Page 1 of 1 Original Issue: Jan. 4, 2021 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Shantou Dihua trading Co., Ltd Address No.1 Leshan road,Shantou,Guangdong,China FRN 0026134577 Grantee Code 2AK3Z FCC ID: 2AK3Z-202607 Authorized Contact Name Kevin Chan Contact Phone 0754-86311626 Contact Email [email protected] I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this appli cation, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules. c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that prod uction units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and a gree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP- 100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISE D as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review , certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of t he Anti- Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the d efinition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc. terms and conditions as specified in the TCB Applic ation Form 731 (QSF27-14-01). Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List Applicant Signature: Date:6-26-2026 Print Name: Kevin Chan Title: Sales manager *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Shantou Dihua trading Co., Ltd Date:6-26-2026 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: 2AK3Z-202607 To whom it may concern: We, the undersigned, hereby authorize SGS-CSTC Standards Technical Services Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own.. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with Shantou Dihua trading Co., Ltd. This authorization is valid until further written notice from the applicant. Print Name: Kevin Chan Title: Sales manager Signature: On behalf of Company: Shantou Dihua trading Co., Ltd Telephone: 0754-86311626 E-mail: [email protected]

Shantou Dihua trading Co., Ltd TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: Confidentiality Request regarding application for FCC ID: 2AK3Z-202607 LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 0 days from the grant date, whichever is less. If the device is marketed within 0 days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. Sincerely, Print Name: Kevin Chan Title: Sales manager Signature: On behalf of Company: Shantou Dihua trading Co., Ltd Telephone: 0754-86311626 E-mail: [email protected]

Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A02 Rev. A/0 Page: 1 of 4 Appendix External Photos for FYCR2606000083ET FCC ID: 2AK3Z-202607 Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A02 Rev. A/0 Page: 2 of 4 EUT Constructional Details (EUT Photos) Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A02 Rev. A/0 Page: 3 of 4 Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A02 Rev. A/0 Page: 4 of 4 - End of the Appendix -

Label: Label Location:

Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A03 Rev. A/0 Page: 1 of 3 Appendix Internal Photos for FYCR2606000083ET FCC ID: 2AK3Z-202607 Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A03 Rev. A/0 Page: 2 of 3 EUT Constructional Details (EUT Photos) Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A03 Rev. A/0 Page: 3 of 3 - End of the Appendix -

Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-01 Rev. A/2 Report No.: FYCR260600008304 Page: 1 of 10 TEST REPORT Application No.: FYCR2606000083ET (SGS SZ NO.: T52610320001EM) Applicant: Shantou Dihua trading Co., Ltd Address of Applicant: No.1 Leshan road,Shantou,Guangdong,China Supplier/ Vendor: SHANTOU DIHUA TRADING CO., LTD Equipment Under Test (EUT): EUT Name: 1/10 SCALE EXPOSED ENGINE RC Item No.: TRC1316298 P.O. No.: 770090457,70090461,70090462 Vendor/Supplier ID Number: 43428876 Country of Origin: China Country of Destination: US Labeled Age Grading: 6+ FCC ID: 2AK3Z-202607 Standard(s) : FCC Rules 47 CFR §2.1093 KDB 447498 D04 interim General RF Exposure Guidance v01 Date of Receipt: 2026-06-12 Date of Evaluation: 2026-06-19 to 2026-06-24 Date of Issue: 2026-07-03 Evaluation Result: Pass* * In the configuration evaluated, the EUT complied with the standards specified above. Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-01 Rev. A/2 Report No.: FYCR260600008304 Page: 2 of 10 Revision Record Version Chapter Date Modifier Remark 01 2026-07-03 Original Authorized for issue by: Byron Liang/Project Engineer Tree Zhan/Reviewer Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-01 Rev. A/2 Report No.: FYCR260600008304 Page: 3 of 10 2 Contents Page 1 Cover Page ......................................................................................................................................... 1 2 Contents ............................................................................................................................................. 3 3 General Information............................................................................................................................ 4 3.1 General Description of E.U.T. ....................................................................................................... 4 3.2 Details of E.U.T. ........................................................................................................................... 4 3.3 Separation Distance ..................................................................................................................... 4 3.4 Test Location ............................................................................................................................... 5 3.5 Test Facility .................................................................................................................................. 5 3.6 Deviation from Standards ............................................................................................................. 5 3.7 Abnormalities from Standard Conditions ....................................................................................... 5 4 FCC Radiofrequency radiation exposure limits ................................................................................ 6 4.1 Blanket 1 mW Blanket Exemption ................................................................................................. 6 4.2 MPE-based Exemption ................................................................................................................. 6 4.3 SAR-based Exemption ................................................................................................................. 7 5 Measurement and Calculation ..........................................................................................................10 5.1 Maximum transmit power ............................................................................................................10 5.2 RF Exposure Calculation .............................................................................................................10 6 EUT Constructional Details (EUT Photos) ........................................................................................10 Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-01 Rev. A/2 Report No.: FYCR260600008304 Page: 4 of 10 3 General Information 3.1 General Description of E.U.T. Product Type: Portable device Mobile device Fixed device 3.2 Details of E.U.T. Power supply: 3V DC(1.5V x 2 "AA" Size Batteries) for remote controller Operating Frequency: 2407MHz-2477MHz Channel number: 71 Modulation Type: GFSK Antenna Type: PCB Antenna Antenna Gain: -2.51dBi Remark:The information in this section is provided by the applicant or manufacturer, SGS is not liable to the accuracy, suitability, reliability or/and integrity of the information. 3.3 Separation Distance Minimum test separation distance: 5mm Remark: This minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander. Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-01 Rev. A/2 Report No.: FYCR260600008304 Page: 5 of 10 3.4 Test Location All tests were performed at: Compliance Certification Services（Kunshan）Inc. Shenzhen branch. Fuyong lab. Xinlong TechnoPark,Fengtang Road, Fuyong Subdistrict, Bao’an, Shenzhen, China Tel: +86 755 8866 3988 Fax: +86 755 2671 0594 No tests were sub-contracted. 3.5 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • A2LA (Certificate No. 6606.01) Compliance Certification Services（Kunshan）Inc. Shenzhen branch is accredited by the American Association for Laboratory Accreditation(A2LA). Certificate No. 6606.01. • FCC –Designation Number: CN1322 Compliance Certification Services（Kunshan）Inc. Shenzhen branch has been recognized as an accredited testing laboratory. Designation Number: CN1322. Test Firm Registration Number: 718073 • Innovation, Science and Economic Development Canada Compliance Certification Services（Kunshan）Inc. Shenzhen branch has been recognized by ISED as an …

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ANTENNA PASSIVE TEST RESULTS Manufacturer Dandan Electronics Factory Chenghai District, Shantou City Product Name2.4G On-board PCB antenna Model No.2.4G-ANT-001 StandardsANSI/IEEE Std 149-2008 1. General Information 1.2 Test Configuration Great-Circle-Cut method is used to measure the antenna 3D GAIN of EUT in OTA qualified anechoic chamber. Equipment Under Test (EUT) geometry centre vertical projection at the centre of platform, the distance from EUT to measurement antenna is 5m 2. Equipment List Type of Equipment Model Number Manufacture Calibration Date Valid Period Network Analyzer E5071C S/N MY46523591 Keysight2025/4/112026/4/10 Quad-Ridge Horn Antenna 700 MHz-10 GHz EMCO 3164-08 ETS-Lindgren L.P. N/AN/A MAPS Controller EMCENTER S/N 160485 ETS-Lindgren L.P. N/AN/A 3. Measurement Uncertainty Item2400-2500 MHz (dB) Gain0.88 Efficiency0.88 Measurement Uncertainty (95% CONFIDENCE INTERVAL) K=2 4. Test Results 4.1 Test Summary ProductFrequency (MHz)Efficiency (%)Gain (dBi) 2.4G On-board PCB antenna 242012.79-2.51 4.2 2.4G On -b oa rd PCB antenna Test Resu lts Fre e Space Freque ncy (MHz)Effi ciency (dB )Effi ciency (%)Gain (dBi) 2400-9.5380111.1224-2.97586 2410-9.3430311.6332-2.78350 2420-8.9323312.7870-2.51114 2430-8.9889712.6213-2.85712 2440-9.2330511.9315-3.37391 2450-9.5180311.1737-3.50956 2460-9.8469810.3586-3.85433 2470-10.212909.5218-4.40243 2480-10.500008.9125-4.80768 2490-10.306908.9178-4.90368 2500-9.6219710.9094-3.54110 5. Pattern Plots Total Power (dBm) Angle (? Scale: 2/div Min: -20 Max: -4 0 180 30 210 60 240 90270 120 300 150 330 2400 MHz 6.3-DAntennaPattern Total P o w e r ( d B m ) -24 -2 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 Y XZ Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 Total P o w e r ( d B m ) -24 -2 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 Y ZX Azimuth = 0.0 Elevation = 0.0 Roll = -90.0 Total P o w e r ( d B m ) -24 -2 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 X ZY Azimuth = 90.0 Elevation = -90.0 Roll = 0.0 7.TheEUTandTestConfiguration PhotoofEUT(Pleasecheckthehighlightedpart) -EndoftheResults-

Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-01 Rev. A/2 Report No.: FYCR260600008302 Page: 1 of 37 TEST REPORT Application No.: FYCR2606000083ET (SGS SZ NO.: T52610320001EM) Applicant: Shantou Dihua trading Co., Ltd Address of Applicant: No.1 Leshan road,Shantou,Guangdong,China Supplier/ Vendor: SHANTOU DIHUA TRADING CO., LTD Equipment Under Test (EUT): EUT Name: 1/10 SCALE EXPOSED ENGINE RC Item No.: TRC1316298 P.O. No.: 770090457,70090461,70090462 Vendor/Supplier ID Number: 43428876 Country of Origin: China Country of Destination: US Labeled Age Grading: 6+ FCC ID 2AK3Z-202607 Standard(s) : 47 CFR Part 15, Subpart C 15.249 Date of Receipt: 2026-06-12 Date of Test: 2026-06-19 to 2026-06-24 Date of Issue: 2026-07-03 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-01 Rev. A/2 Report No.: FYCR260600008302 Page: 2 of 37 Revision Record Version Chapter Date Modifier Remark 01 2026-07-03 Original Authorized for issue by: Byron Liang/Project Engineer Tree Zhan/Reviewer Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-01 Rev. A/2 Report No.: FYCR260600008302 Page: 3 of 37 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.249 N/A 47 CFR Part 15, Subpart C 15.203 Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Field Strength of the Fundamental Signal (15.249(a)) 47 CFR Part 15, Subpart C 15.249 ANSI C63.10- 2020+Cor.1-2023 Section 6.5&6.6 47 CFR Part 15, Subpart C 15.249(a) Pass Restricted Band Around Fundamental Frequency ANSI C63.10- 2020+Cor.1-2023 Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.249(d) & 15.209 Pass Radiated Emissions Below 1GHz ANSI C63.10- 2020+Cor.1-2023 Section 6.4&6.5 47 CFR Part 15, Subpart C 15.209 & 15.249 (a),(d) Pass Radiated Emissions Above 1GHz ANSI C63.10- 2020+Cor.1-2023 Section 6.6 47 CFR Part 15, Subpart C 15.209 & 15.249 (a),(d) Pass 20dB Bandwidth ANSI C63.10- 2020+Cor.1-2023 Section 6.9 47 CFR Part 15, Subpart C 15.215 Pass Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-01 Rev. A/2 Report No.: FYCR260600008302 Page: 4 of 37 3 Contents Page 1 Cover Page ......................................................................................................................................... 1 2 Test Summary ..................................................................................................................................... 3 3 Contents ............................................................................................................................................. 4 4 General Information............................................................................................................................ 6 4.1 Details of E.U.T. ........................................................................................................................... 6 4.2 Description of Support Units ......................................................................................................... 7 4.3 Measurement Uncertainty ............................................................................................................ 7 4.4 Test Location ............................................................................................................................... 8 4.5 Test Facility .................................................................................................................................. 8 4.6 Deviation from Standards ............................................................................................................. 8 4.7 Abnormalities from Standard Conditions ....................................................................................... 8 5 Equipment List ................................................................................................................................... 9 6 Radio Spectrum Technical Requirement ..........................................................................................12 6.1 Antenna Requirement .................................................................................................................12 6.1.1 Test Requirement: ..................................................................................................................12 6.1.2 Conclusion ..............................................................................................................................12 7 Radio Spectrum Matter Test Results ................................................................................................13 7.1 20dB Bandwidth ..........................................................................................................................13 7.1.1 E.U.T. Operation .....................................................................................................................13 7.1.2 Test Mode Description ............................................................................................................13 7.1.3 Test Setup Diagram ................................................................................................................13 7.1.4 Measurement Procedure and Data .........................................................................................13 7.2 Field Strength of the Fundamental Signal (15.249(a)) ..................................................................16 7.2.1 E.U.T. Operation .....................................................................................................................16 7.2.2 Test Mode Description ............................................................................................................16 7.2.3 Test Setup Diagram ...............................................................................…

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Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A04 Rev. A/0 Page: 1 of 5 Appendix Test Setup Photos for FYCR2606000083ET FCC ID: 2AK3Z-202607 Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A04 Rev. A/0 Page: 2 of 5 Test Setup Photo Field Strength of the Fundamental Signal (15.249(a)) Restricted Band Around Fundamental Frequency Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A04 Rev. A/0 Page: 3 of 5 Radiated Emissions Below 1GHz Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A04 Rev. A/0 Page: 4 of 5 Radiated Emissions Above 1GHz Compliance Certification Services (Kunshan) Inc. Shenzhen Branch SZCCS-TRF-A04 Rev. A/0 Page: 5 of 5 - End of the Appendix -