2BTDL-BMRTKReal Time Kinematic with LoRa

Rev 1/26/2023 Kunshan Lantuo Intelligent Robot Co., Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 12-05-2025 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2BTDL-BMRTK Applicant FRN: 0037688223 [Kunshan Lantuo Intelligent Robot Co., Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, [FCC US Agent, LLC] is our designated U.S. agent for service of process for the above referenced FCC ID. [Kunshan Lantuo Intelligent Robot Co., Ltd] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. [FCC US Agent, LLC] accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: FCC US Agent, LLC U.S. Agent FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Tel.: 708-571-3148 Email: [email protected] Sincerely, Kunshan Lantuo Intelligent Robot Co., Ltd FCC US Agent, LLC Liu XiaoQiang Tim Payne [U.S. Agent signature]

Kunshan Lantuo Intelligent Robot Co., Ltd Date: 12-21-2025 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) Filing Re. KDB 986446 D01 FCC ID: 2BTDL-BMRTK Dear Sir or Madam, [Kunshan Lantuo Intelligent Robot 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. We also certify that, [Kunshan Lantuo Intelligent Robot 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. If you have any questions, please contact us. Sincerely, Contact name: Xiaoqiang Liu Company name: Kunshan Lantuo Intelligent Robot Co., Ltd Address: 2F, Room 2, No. 179, Waihejing Road, Kunshan Development Zone Comprehensive Bonded Area, Kunshan, Jiangsu, China Telephone Number: +86 15123511045 E-mail: [email protected]

Kunshan Lantuo Intelligent Robot Co., Ltd Date (21/12/2025) TUV SUD BABT UNLIMITED TCB Octagon House, Segensworth North, Fareham, Hampshire, PO15 5RL, United Kingdom Dear Sir or Madam, We, (Kunshan Lantuo Intelligent Robot Co., Ltd), hereby authorize Wenqiang LU from TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151 Heng Tong Road Shanghai 201108 P.R. China to act as our agent in all matters relating to applications for equipment authorization, including the signing of all documents relating to these matters. This authorization expires on (Dec.31,2026). Sincerely, Company Officer: Xiaoqiang Liu Telephone Number: +86 15123511045 Email: [email protected]

Kunshan Lantuo Intelligent Robot Co., Ltd Date: 21/12/2025 TUV SUD BABT UNLIMITED TCB Octagon House, Segensworth North, Fareham, Hampshire, PO15 5RL, United Kingdom Confidentiality Request FCC ID: 2BTDL-BMRTK Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission’s Rules, (Kunshan Lantuo Intelligent Robot Co., Ltd) hereby requests permanent confidential treatment of information accompanying this application as outlined below: Schematics Block Diagrams Theory of Operation PCB layout (Kunshan Lantuo Intelligent Robot Co., Ltd) also hereby requests short-term confidential treatment of information accompanying this application as outlined below for a period of 180 days: Internal Photos The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application. Yours sincerely, Company Officer: Xiaoqiang Liu Telephone Number: +86 15123511045 Email: [email protected]

Kunshan Lantuo Intelligent Robot Co., Ltd Data: 2025-12-21 Subject: Statement of disable RF chip E220-900T22S by software FCC ID: 2BTDL-BMRTK IC: 34692-SRTK To Whom It May Concern: We Kunshan Lantuo Intelligent Robot Co., Ltd (Address: 2F, Room 2, No. 179, Waihejing Road,Kunshan Development Zone Comprehensive Bond, Kunshan, Jiangsu, China) hereby declare that although the RF chip E220-900T22S can support different frequencies and Modulation as following table Our product is only locked to operate at frequency and Modulation (as following table) by software. this setting is not accessible and can’t active by the user or any other third-party. Best Regards Contact name: Xiaoqiang Liu Company name: Kunshan Lantuo Intelligent Robot Co., Ltd Address: 2F, Room 2, No. 179, Waihejing Road,Kunshan Development Zone Comprehensive Bond, Kunshan, Jiangsu, China E-mail: [email protected] Tel: +86 15123511045

External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 1 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 2 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 3 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 4 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 5 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 6 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 7 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 8 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 9 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK External Photos Documentation Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Page 10 of 10 Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK

Report No: 709502502910-00B EMC_SHA_F_R_02.06E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 1 of 2 Rev. 23.00 MPE Calculation Applicant: Kunshan Lantuo Intelligent Robot Co., Ltd Address: 2F, Room 2, No. 179, Waihejing Road,Kunshan Development Zone Comprehensive Bond, Kunshan, Jiangsu, China Product: RTK FCC ID: 2BTDL-BMRTK Model No.: S1RTK Reference RF report # 709502502910-00A According to subpart 15.247(i) and subpart §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1,500 / / f/1500 30 1,500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Report No: 709502502910-00B EMC_SHA_F_R_02.06E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 2 of 2 Rev. 23.00 LoRa for 709502502910-00A Calculated Data: FPC antenna Maximum peak output power at antenna input terminal (dBm): 3.97 Maximum peak output power at antenna input terminal (mW): 2.49 tune-up conducted power(dBm): 5 tune-up conducted power(mW): 3.16 Prediction distance (cm): 20 Antenna Gain, typical (dBi): 0.5 Maximum Antenna Gain (numeric): 1.1220 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.00071 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.00 Note: The tune-up conducted power (5 dBm) was declared by the manufacturer. The max power density 0.00071 (mW/cm2) < 1 (mW/cm2) - TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch Reviewed by: Prepared by: Tested by: _____________________ _____________________ ______________________ Hui TONG Wenqiang LU Doujun XU EMC Section Manager EMC Project Engineer EMC Test Engineer Date: Feb. 06, 2026 Date: Feb. 06, 2026 Date: Feb. 06, 2026 -------------------------------------------------------End of Test Report-------------------------------------------------------

Report Number: 709502502910-00A EMC_SHA_F_R_02.05E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 1 of 48 Rev. 23.00 FCC/ISED - TEST REPORT Report Number : 709502502910-00A Date of Issue: September 4, 2025 Model : S1RTK Product Type : RTK Applicant : Kunshan Lantuo Intelligent Robot Co., Ltd Address : 2F, Room 2, No. 179, Waihejing Road,Kunshan Development Zone Comprehensive Bond, Kunshan, Jiangsu, China Production Facility : Kunshan Lantuo Intelligent Robot Co., Ltd Address : 2F, Room 2, No. 179, Waihejing Road,Kunshan Development Zone Comprehensive Bond, Kunshan, Jiangsu, China Test Result : ◼ Positive  Negative Total pages including Appendices : 48 TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch is a subcontractor to TÜV SÜD Product Service GmbH according to the principles outlined in ISO 17025. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch reports apply only to the specific samples tested under stated test conditions. Construction of the actual test samples has been documented. It is the manufacturer's responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. The manufacturer/importer is responsible to the Competent Authorities in Europe for any modifications made to the production units which result in non-compliance to the relevant regulations. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch shall have no liability for any deductions, inferences or generalizations drawn by the client or others from TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch issued reports. This report is the confidential property of the client. As a mutual protection to our clients, the public and ourselves, extracts from the test report shall not be reproduced except in full without our written approval. Report Number: 709502502910-00A EMC_SHA_F_R_02.10E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 2 of 48 Rev. 23.00 1 Table of Contents 1 Table of Contents .................................................................................................................. 2 2 Report Modification Record .................................................................................................. 3 3 Details about the Test Laboratory ......................................................................................... 3 4 Description of the Equipment under Test .............................................................................. 4 5 Summary of Test Standards ................................................................................................. 6 6 Summary of Test Results ...................................................................................................... 7 7 General Remarks ................................................................................................................. 8 8 Test Setups ........................................................................................................................... 9 9 Systems test configuration .................................................................................................. 12 10 Technical Requirement ....................................................................................................... 13 10.1 Conducted Emission .................................................................................................... 13 10.2 Conducted peak output power & EIRP ........................................................................ 16 10.3 6dB bandwidth and 99% Occupied Bandwidth ............................................................ 18 10.4 Power spectral density ................................................................................................ 21 10.5 Spurious RF conducted emissions .............................................................................. 23 10.6 Band edge ................................................................................................................... 27 10.7 Spurious radiated emissions for transmitter ................................................................ 30 11 Test Equipment List ............................................................................................................ 45 12 System Measurement Uncertainty ...................................................................................... 46 13 Photographs of Test Set-ups .............................................................................................. 47 14 Photographs of EUT ........................................................................................................... 48 Report Number: 709502502910-00A EMC_SHA_F_R_02.10E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 3 of 48 Rev. 23.00 2 Report Modification Record Alterations and additions to this report will be issued to the holders of each copy in the form of a complete document. Issue Description of Change Date of Issue 709502502910-00A First Issue 02/06/2026 3 Details about the Test Laboratory Details about the Test Laboratory Test Site 1 Company name: TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch No.16 Lane, 1951 Du Hui Road, Shanghai 201108, P.R. China Telephone: +86 21 6141 0123 Fax: +86 21 6140 8600 FCC Registration No.: 820234 FCC Designation Number: CN1183 ISED CAB identifier CN0101 IC Registration No.: 31668 Report Number: 709502502910-00A EMC_SHA_F_R_02.10E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. Chin…

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ANTENNATESTREPORT TX4G-FPC-5017 VERSION：3.3DATE：2025-08-01 TEL：028-61542639WEBSITE： WWW.ZIISOR.COM CHENGDUZIISORTECHNOLOGYCO.,LTD.EXPERTOFIOTANTENNAS TXGN-FPC-5017 2 /4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna I.TestItems II.TestData-VSWR NameNB/GSMBuilt-inAntenna Equipment NetworkAnalyzer E5071B/MicrowaveAnechoicChamber FrequencyBand824-960MHz;1710-2170MHz ConnectorTypeIPEX-1 Max.Gain1.77dBi ReportPassiveTestReport TXGN-FPC-5017 3 /4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna III.TestData-EfficiencyandGain Frequency/MhzEfficiency/%MaxGain/dBi 82055.591.00 84055.460.94 86050.581.07 88048.310.78 90046.240.50 92040.360.01 94036.14-0.63 96034.99-0.63 AVG45.960.38 171034.510.73 173034.910.82 175030.270.95 177029.111.01 179030.481.16 181034.991.27 183038.461.32 185040.641.48 187042.071.57 189044.871.61 191043.351.77 193041.400.86 195038.460.93 197032.660.99 199029.511.01 201027.991.08 203028.381.87 205026.610.93 207024.770.99 209025.471.01 211029.721.12 213036.311.03 215038.371.15 217036.811.21 AVG34.171.16 TXGN-FPC-5017 4 /4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna IV.TestData-RadiationPattern-2D 824-2170MHzPhi902D TXGN-FPC-5017 5 /4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna V.TestData-RadiationPattern-3D VI.TestEnvironment Aboveisthe3DcoordinatedistributionintheMicrowaveAnechoicChamber,ofwhichthecolorsareconsistentwith withthoseshowninthefigure. TXGN-FPC-5017 6 /4 Copyright@ChengduZiisorTechnologyCo.,Ltd2020ExpertofIoTAntenna CompanyNameChengduZiisorTechnologyCo.,Ltd Telephone+86-028-61542639 Websitewww.ziisor.com [email protected] [email protected] CompanyAddress B5MoldingToolIndustryPark,No.199XiQuAvenue, Chengdu,China CONTACTUS

Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK ©2026 Not to be reproduced, except in its entirety, Page 1 of 2 without the Permission of TÜ V SÜ D Certification and Testing (China) Co., Ltd. Shanghai Branch PHOTOGRAPHS OF TEST SET UP Field Strength and Harmonics Test Setup Radiated Emission Setup 9kHz ~ 30MHz 30MHz ~ 1GHz Manufacturer: Kunshan Lantuo Intelligent Robot Co., Ltd Product: RTK FCC ID: 2BTDL-BMRTK IC: 34692-SRTK Mode: S1RTK HVIN: SRTK ©2026 Not to be reproduced, except in its entirety, Page 2 of 2 without the Permission of TÜ V SÜ D Certification and Testing (China) Co., Ltd. Shanghai Branch 1GHz ~ 18GHz Conducted emission Test Setup