NPI103651Toy with Bluetooth Low Energy transceiver

Covered Equipment Certification Attestation Letter 9/10/2024 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: NPI103651 LEGO System AS (“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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. LEGO System AS (“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. Signed: Printed name: Henning Mikkelsen Title: Senior Compliance Engineer Company Name: LEGO System AS Date: 9/10/2024

August 7, 2024 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: NPI103651 Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☒ Short Term Internal Photos ☐ Permanent* ☒ Short Term Operation Description ☒ Permanent ☐ Short Term Parts List & Placement/BOM ☒ Permanent ☐ Short Term Tune-Up Procedure ☒ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐ Short Term Test Setup Photos ------------------ ☒ Short Term User’s Manual ☐ Permanent* ☒ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Printed name: Henning Mikkelsen Title: Senior Compliance Engineer Company Name: LEGO System AS

REP019276 Nemko Group Nemko Scandinavia AS, Instituttveien 6, 2007 Kjeller, Norway TEL +47 22 96 03 30 EMAIL [email protected] nemko.com/no Template version: B RF Exposure Assessment Product Toy with Bluetooth Low Energy transceiver Name and address of the applicant Lego System A/S Aastvej 1 7190 Billund, Denmark Name and address of the manufacturer Lego System A/S Aastvej 1 7190 Billund, Denmark Model HUB NO.16 Rating 2402-2480MHz BLE transceiver Trademark LEGO Additional information Bluetooth Low Energy Evaluated according to FCC Part 1.1307(b) RF Exposure Assessment FCC KDB 447498 D04 v01 Interim General RF Exposure Guidance Order number PRJ0042939 Issue date 2023-11-13 Name and address of the testing laboratory Nemko Scandinavia AS Instituttveien 6 2007 Kjeller, Norway www.nemko.com CAB Number: FCC: NO0001 ISED: NO0470 ISED No: 2040D-1 An accredited technical test executed under the Norwegian accreditation scheme Prepared by [Jan G Eriksen] Approved by [Roy Uggerud] This report was originally distributed electronically with digital signatures. For more information, please contact Nemko Scandinavia AS. Exposure Assessment FCC Part 1.1307 PRJ0042939 REP019276 FCC ID: NPI103651 Nemko Scandinavia AS Page 2 (3) Revision history Revision Date Comment Sign A 2023-11-13 First Edition JGER GENERAL REMARKS This report applies only to the sample(s) tested. It is the manufacturer's responsibility to ensure the additional production units of this product are manufactured with identical electrical and mechanical components. The manufacturer is solely responsible for any modifications to the product that could result in non-compliance with the relevant regulations. This report shall not be reproduced, except in full, without the written approval of Nemko. Any use which a third party makes of this report, or any reliance on or decisions to be made based on it, are the responsibility of such third parties. Nemko Group accepts no responsibility for damage suffered by any third party because of decisions made or actions based on this report. Opinions expressed within this report regarding general assessments and qualifications for PASS or FAIL to the standards limits and requirements, are not part of the current accreditation. Neither are opinions expressed regarding model variants covered by the testing of this report. Exposure Assessment FCC Part 1.1307 PRJ0042939 REP019276 FCC ID: NPI103651 Nemko Scandinavia AS Page 3 (3) 1 Exposure Evaluation 1.1 EUT Technical Information Name HUB NO.16 FCC ID NPI103651 Model/version HUB NO.16 Hardware identity and/or version PCBA version D, Schematic version E Software identity and/or version 0.4.01.0000 Frequency Range 2402-2480 MHz Type of Power Supply Internal battery 4 x 1.5 V Type of Portable Device Toy train Output Power incl. Tune-Up Tolerance < 0 dBm radiated power Reference to RF Test Report Nemko test report: REP016671 1.2 Evaluation Summary The EUT has been evaluated and found to be exempt from SAR Evaluation according to the Exemption Criteria in FCC §1.1307(b)(3(i)(A) and KDB 447498 D04 v01 Clause 2.1.2, since the Output Power is below the 1 mW standalone threshold. Determination of Exemption for Single RF Sources Conducted Power including Tune Up Tolerance 0.617 mW Separation Distance 5 mm Frequency (valid for 100 MHz to 6 GHz) 2.48 GHz Exclusion Threshold for Body-Worn Device @2.48 GHz and 5 mm 1 mW CONCLUSION EXEMPTED

REP016671B Template version: C Nemko Group Nemko Scandinavia AS, Instituttveien 6, 2007 Kjeller, Norway TEL +47 22 96 03 30 EMAIL [email protected] nemko.com/no Test Report Product Toy with Bluetooth Low Energy transceiver Name and address of the applicant Lego System A/S Aastvej 1 7190 Billund, Denmark Name and address of the manufacturer Lego System A/S Aastvej 1 7190 Billund, Denmark Model HUB NO.16 Rating 2402-2480MHz BLE transceiver Trademark LEGO Additional information Bluetooth Low Energy Tested according to FCC Part 15.247 Frequency Hopping Transmitters / Digital Transmission Systems Industry Canada RSS-247, Issue 3 Digital Transmission Systems (DTSs), Frequency Hopping Systems (FHSs) and Licence-Exempt Local Area Network (LE-LAN) Devices Order number PRJ0042939 Tested in period 2023-09-12 to 2023-09-30 Issue date 2024-09-10 Name and address of the testing laboratory Nemko Scandinavia AS Instituttveien 6 2007 Kjeller, Norway www.nemko.com CAB Number: FCC: NO0001 ISED: NO0470 ISED No: 2040D-1 An accredited technical test executed under the Norwegian accreditation scheme Prepared by [Jan G Eriksen] Approved by [Frode Sveinsen] This report was originally distributed electronically with digital signatures. For more information, please contact Nemko Scandinavia AS. TEST REPORT FCC Part 15.247 REP016671B FCC ID: NPI103651 IC: 3072A-103651 Nemko Scandinavia AS Page 2 (40) Revision history Revision Date Comment Sign A 2023-11-13 First edition JGER B 2024-09-10 Editorials JGER GENERAL REMARKS This report applies only to the sample(s) tested. It is the manufacturer's responsibility to ensure the additional production units of this product are manufactured with identical electrical and mechanical components. The manufacturer is solely responsible for any modifications to the product that could result in non-compliance with the relevant regulations. This report shall not be reproduced, except in full, without the written approval of Nemko. Any use which a third party makes of this report, or any reliance on or decisions to be made based on it, are the responsibility of such third parties. Nemko Group accepts no responsibility for damage suffered by any third party because of decisions made or actions based on this report. Opinions expressed within this report regarding general assessments and qualifications for PASS or FAIL to the standards limits and requirements, are not part of the current accreditation. Neither are opinions expressed regarding model variants covered by the testing of this report. CALIBRATION All instruments used in the tests given in this test report are calibrated and traceable to national or international standards. Between calibrations all test set-ups are controlled and verified on a regular basis by periodic checks to ensure, with 95% confidence, that the instruments remain within the calibrated levels. MEASUREMENT UNCERTAINTY Measurement uncertainties are calculated or considered for all instruments and instrument set-ups used during these tests. Uncertainty figures are found in a separate clause in this report. TEST REPORT FCC Part 15.247 REP016671B FCC ID: NPI103651 IC: 3072A-103651 Nemko Scandinavia AS Page 3 (40) CONTENTS 1 INFORMATION ......................................................................................................................... 4 1.1 Test Item ................................................................................................................................................... 4 1.2 Normal test condition ................................................................................................................................. 4 1.3 Test Engineer(s) ........................................................................................................................................ 5 1.4 Antenna Requirement ................................................................................................................................ 5 1.5 EUT Operating Modes ............................................................................................................................... 5 1.6 Comments ................................................................................................................................................. 5 2 TEST REPORT SUMMARY ...................................................................................................... 6 2.1 General ..................................................................................................................................................... 6 2.2 Test Summary ........................................................................................................................................... 6 3 TEST RESULTS ........................................................................................................................ 7 3.1 Occupied Bandwidth (99% BW) ................................................................................................................. 7 3.2 DTS Bandwidth ......................................................................................................................................... 9 3.3 Peak Power Output ................................................................................................................................. 11 3.4 Conducted Emissions at Antenna Connector ........................................................................................... 14 3.5 Restricted Bands of operation .................................................................................................................. 19 3.6 Radiated Emissions, Band Edge.............................................................................................................. 20 3.7 Radiated Emissions, 30 – 1000 MHz. ...................................................................................................... 23 3.8 Radiated Emissions, 1 – 26 GHz ......................................…

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www.ti.com Page 1 of 20 www.ti.com Texas Instruments – Low Power Connectivity Address: Hoffsveien 77C 0377 Oslo Phone: Fax: E-mail: Web: www.ti.com Enterprise No: 980 499 480 Measurement result Title: LEGO Hub No. 16 EMC test report Project number: XXX Project name: XXX Author: Zack Costello Document type: EMC chamber measurements Classification: Last saved: 9/29/2023 6:56 AM Pages: 20 Filename: LEGO Hub No16 EMC Report.docx Rev A Initial version www.ti.com Page 2 of 20 Contents 1 Test Setup ................................................................................................................................................ 4 1.1 Information ........................................................................................................................................ 4 1.2 Test Setup Photos ............................................................................................................................ 5 2 +0 dBm, 2440 MHz .................................................................................................................................. 8 2.1 Setup ................................................................................................................................................. 8 2.2 Summary........................................................................................................................................... 8 2.3 Radiated Spurious Emissions (RSE) Plot ......................................................................................... 9 2.4 Radiation Pattern ............................................................................................................................ 10 2.4.1 Theta = 0, Phi = 0 ................................................................................................................... 10 2.4.2 Theta = 180, Phi = 0 ............................................................................................................... 11 2.4.3 Theta = 90, Phi = 0 ................................................................................................................. 12 2.4.4 Theta = 90, Phi = 180 ............................................................................................................. 13 2.4.5 Theta = 90, Phi = 270 ............................................................................................................. 14 2.4.6 Theta = 90, Phi = 90 ............................................................................................................... 15 3 Antenna Gain Calculation ...................................................................................................................... 16 3.1 Measured Data ............................................................................................................................... 16 3.1.1 Horizontal Power (dBm) .......................................................................................................... 16 3.1.2 Vertical Power (dBm) .............................................................................................................. 17 3.1.3 Total Power (dBm) .................................................................................................................. 18 3.1.4 Total Power (mW) ................................................................................................................... 19 3.2 Calculation of Antenna Parameters ................................................................................................ 20 3.2.1 TRP (dBm) .............................................................................................................................. 20 www.ti.com Page 3 of 20 3.2.2 Peak EIRP (dBm) ................................................................................................................... 20 3.2.3 Directivity (dBm)...................................................................................................................... 20 3.2.4 Efficiency (dB) ......................................................................................................................... 20 3.2.5 Gain (dBi) ................................................................................................................................ 20 www.ti.com Page 4 of 20 1 Test Setup 1.1 Information Hardware R&S® TS8991 OTA (Over The Air) performance test system. Additional RSE (Radiated Spurious Emission) test capability with additional filter/LNA support for spurious emissions measurements. Software R&S® EMC32 measurement software for Automation for EMC compliance and pre- compliance. Table of Calibrated Instruments PM8 R&S® NRP-Z11 Power Sensor Calibration due: 14 th September 2024 Test Site Information TI Norway, Validation Lab, Hoffsvein 70C, 0377 Oslo Completed Test Date(s) 18th September 2023 Test Personnel Zack Costello www.ti.com Page 5 of 20 1.2 Test Setup Photos Figure 1: Turn arm in chamber www.ti.com Page 6 of 20 Figure 2: Receiving antenna in chamber www.ti.com Page 7 of 20 Figure 3: Placement of AUT on turn arm in chamber showing Z-axis Figure 4: Placement of AUT on turn arm in chamber (additional view) www.ti.com Page 8 of 20 2 +0 dBm, 2440 MHz 2.1 Setup ATM mode 2. 2.2 Summary The calculations for this section are detailed in Section 3. Total Radiated Power -5.10 dBm Peak EIRP 0.20 dBm Antenna directivity 5.30 dBm Antenna efficiency -3.70 dB Antenna gain 1.60 dBi 2nd Harmonic Noise floor of EMC chamber 3rd Harmonic Noise floor of EMC chamber 4th Harmonic Noise floor of EMC chamber www.ti.com Page 9 of 20 2.3 Radiated Spurious Emissions (RSE) Plot Figure 5: Spectrum sweep from 0.4 GHz to 12.75 GHz Note: The spurs below 1 GHz and at approx. 5.5 GHz is a limitation of the EMC chamber and is not caused by the DUT. The high noise floor for frequencies above 6 GHz is also a limitation of the EMC chamber. The noise floor of the EMC chamber at the 3 rd harmonic of 2.44 GHz (7.32 GHz) is below the FCC 15.2…

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