2BMDI-SPCRAFT6UNMANNED SURFACE VEHICLE

FCC Caution. 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20 cm between the radiator & your body.

Guangzhou Spherefix Navigation Technology Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 24, 2026 Subject; Request for Confidentiality FCC ID: 2BMDI-SPCRAFT6 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 U-NII 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: Haijing Deng Title: Business executive

Page 1 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 1 Photo 2 SRD(2.4G&5.8G) ANT WCDMA&LTE ANT GNSS ANT GNSS ANT LoRa(RX) ANT Page 2 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 3 Photo 4 Page 3 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 5 Photo 6 Page 4 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 7 Photo 8 Page 5 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 9 Photo 10 WCDMA&LTE ANT SRD(2.4G&5.8G) ANT GNSS ANT GNSS ANT LoRa(RX) ANT Page 6 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 11 Photo 12 Page 7 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 13 Photo 14 Page 8 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 15 Photo 16 Page 9 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 17 Photo 18 Page 10 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 19 Photo 20 Page 11 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 21 Photo 22 Page 12 of 12 Report No.: LGT26C047 Appendix - External Photographs of EUT Constructional Details Photo 23 Photo 24 ANT

Size: 50.04*18.03mm

Page 1 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 1 Photo 2 Page 2 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 3 Photo 4 Page 3 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 5 Photo 6 Page 4 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 7 Photo 8 Page 5 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 9 Photo 10 Page 6 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 11 Photo 12 Page 7 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 13 Photo 14 Page 8 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 15 Photo 16 Page 9 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 17 Photo 18 Page 10 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 19 Photo 20 Page 11 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 21 Photo 22 Page 12 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 23 Photo 24 Page 13 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 25 Photo 26 Page 14 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 27 Photo 28 Page 15 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 29 Photo 30 Page 16 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 31 Photo 32 Page 17 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 33 Photo 34 Page 18 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 35 Photo 36 Page 19 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 37 Photo 38 Page 20 of 20 Report No.: LGT26C047 Appendix - Internal Photographs of EUT Constructional Details Photo 39 Photo 40

The test report is effective only with both signature and specialized stamp. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report only apply to the tested sample. Shenzhen LGT Test Service Co., Ltd. Tel: 0755-89668180 E-mail:[email protected] Web: www.lgt-cert.com Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Page 1 of 53 EMC TEST REPORT Product Name: UNMANNED SURFACE VEHICLE Model Number: SPCraft6, SPCraft5 FCC ID: 2BMDI-SPCRAFT6 Issued For : Guangzhou Spherefix Navigation Technology Co., Ltd No.201, Kezhu Road, Room 311, Huangpu District, Guangzhou, China Issued By : Shenzhen LGT Test Service Co., Ltd. Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China. Report Number: LGT26C047EM03 Sample Received Date: Mar. 06, 2026 Date of Test: Mar. 06, 2026 ~ Jul. 16, 2026 Date of Issue: Jul. 16, 2026 Report No.: LGT26C047EM03 Page 2 of 53 TEST REPORT CERTIFICATION Applicant: Guangzhou Spherefix Navigation Technology Co., Ltd Address: No.201, Kezhu Road, Room 311, Huangpu District, Guangzhou, China Manufacturer: Guangzhou Spherefix Navigation Technology Co., Ltd Address: No.201, Kezhu Road, Room 311, Huangpu District, Guangzhou, China Product Name: UNMANNED SURFACE VEHICLE Trademark: SPHEREFIX Model Number: SPCraft6, SPCraft5 Sample Status: Normal APPLICABLE STANDARDS STANDARD TEST RESULTS FCC 47 CFR Part 15 Subpart B ANSI C63.4-2014 PASS Prepared by: Approved by: Terry Zhao Vita Li Engineer Technical Director Report No.: LGT26C047EM03 Page 3 of 53 Table of Contents 1. TEST SUMMARY 5 1.1 TEST LABORATORY 6 1.2 MEASUREMENT UNCERTAINTY 6 2. GENERAL INFORMATION 7 2.1 GENERAL DESCRIPTION OF THE EUT 7 2.2 DESCRIPTION OF THE TEST MODES 8 2.3 DESCRIPTION OF THE SUPPORT UNITS 8 2.4 MEASUREMENT INSTRUMENTS LIST 9 3. EMC EMISSION TEST 10 3.1 CONDUCTED EMISSION MEASUREMENT 10 3.2 RADIATED EMISSION MEASUREMENT 14 APPENDIX I - TEST SETUP 21 APPENDIX II - PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS 23 Report No.: LGT26C047EM03 Page 4 of 53 Revision History Rev. Issue Date Revisions 00 Jul. 16, 2026 Initial Issue Report No.: LGT26C047EM03 Page 5 of 53 1. TEST SUMMARY EMC Emission Standard Test Item Limit Judgement Remark FCC 47 CFR Part 15 Subpart B ANSI C63.4-2014 Conducted Emissions Class B PASS Radiated Emissions Below 1GHz Class B PASS Radiated Emissions Above 1GHz Class B PASS Note 2 Note: 1 “N/A” denotes test is not applicable in this Test Report 2 If the highest frequency of the internal sources of the EUT is less than 108 MHz, the measurement shall only be made up to 1 GHz. If the highest frequency of the internal sources of the EUT is between 108 MHz and 500 MHz, the measurement shall only be made up to 2 GHz. If the highest frequency of the internal sources of the EUT is between 500 MHz and 1 GHz, measurement shall only be made up to 5 GHz. If the highest frequency of the internal sources of the EUT is above 1 GHz, the measurement shall be made up to 5 times the highest frequency or 40 GHz, whichever is less. Report No.: LGT26C047EM03 Page 6 of 53 1.1 TEST LABORATORY Company Name: Shenzhen LGT Test Service Co., Ltd. Address: Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Accreditation Certificate: FCC Registration No.: 746540 CAB ID: CN0136 1.2 MEASUREMENT UNCERTAINTY Test Item Measurement Frequency Range MHz Uncertainty dB Conducted Emissions at AC mains power port 0.009 ~ 30 2.80 Radiated Emissions 0.009 ~ 30 2.16 Radiated Emissions 30 ~ 1000 4.61 Radiated Emissions 1000 ~ 6000 5.10 Radiated Emissions 6000 ~ 18000 5.49 Note: This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2. The measurement uncertainty is not included in the test result. Report No.: LGT26C047EM03 Page 7 of 53 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name: UNMANNED SURFACE VEHICLE Test Model Number: SPCraft6 Series Number: SPCraft5 Model Difference: 1. Dimensional differences (SPCraft5 model: 980*520*254mm, SPCraft6 model: 1280*580*430mm) 2. Number of network ports: (SPCraft5 model comes standard with a single network port, SPCraft6 model comes standard with dual network ports) Maximum operating frequency: >108MHz Adapter: Input: AC 100-240V 50/60Hz 5A Output: DC 33.6V 12.5A Battery: Capacity: 25mAh Rated Voltage: 29.6V Test voltage: AC 120V/60Hz for adapter Battery: 29.6V Hardware Version: N/A Software Version: N/A Connecting I/O Port(s): Please refer to the Note 1. Note: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. 2. The EUT information in the table of section 2.1 is provided by the applicant. 3. LGT is not responsible for wrong test results due to incorrect information (e.g., max. internal operating frequency, antenna gain, cable loss, etc) is provided by the applicant. (If applicable). 4. LGT is not responsible for the authenticity, integrity and the validity of the conclusion based on results of the data provided by applicant. (If applicable). 5. Sample source: sent by customer. Report No.: LGT26C047EM03 Page 8 of 53 2.2 DESCRIPTION OF THE TEST MODES To investigate the maximum EMI emission characteristics generates from EUT, the test system was pre-scanning tested base on the consideration of following EUT operation mode or test configuration mode which possibly have effect on EMI emission level. Each of these EUT operating mode(s) or test configuration mode(s) mentioned above was evaluated respectively. Pretest Mode Description Mode 1 On, operating Mode 2 Battery Charging Conducted Emission Test Final Test Mode Description Mode 1 On, operating Mode 2 Battery Charging For Ra…

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Page 1 of 2 Report No.: LGT26C047 Set-up for Conducted Emission on AC Mains (CE) Set-up for Radiated Emission (RE), Below 1GHz Page 2 of 2 Report No.: LGT26C047 Set-up for Radiated Emission (RE), Above 1GHz