2AXKB-SE-EU-001Pillow speaker

Drift off to sleep easier | Wake less throughout the night | Get back to sleep quicker if you do wake Wake up in the morning refreshed | Feel less tired throughout the day | Clear your daily brain fog User Manual Page 1 Contents 1 Important safety instructions 2 What’s in the box? 3 Quick start guide 4 Guide to using the SleepEngine™ app 5 Technical information 6 Customer support Page 2 1. General safety ● Read all instructions: Please read these instructions thoroughly before using the Mammoth SmartPillow with SleepEngine ™ technology ● Use only as directed: Use this product only for its intended purpose as described in this user guide. Do not use attachments that are not recommended by the manufacturer ● Do not alter the product: Do not make any alterations to the product as this may compromise safety, regulatory compliance, product performance and may void your rights to have the product repaired or replaced 2. Power supply ● USB cable use: This product includes a 2- metre USB cable. Ensure the cable is routed safely and clear of walkways and sleeping areas to prevent tripping or entanglement hazards. Avoid placing the cable under the pillow or bedding to prevent damage and overheating ● Power source: Connect the USB cable only to a suitable power source that complies with the manufacturer’s requirements ● Power on/off: This product does not have an on/off switch - it has been designed to be left switched on. If required, switch off at the wall socket and/or remove the plug ● Handling the cable: Do not twist, knot, or excessively bend the USB cable, which can cause damage. Regularly inspect the cable for any signs of wear or damage 3. Health and safety ● Supervision: This product should be used only as recommended. To ensure safe use, it is not intended for use by individuals with reduced physical, sensory or mental capacity unless supervised or instructed by a responsible adult ● Choking hazard: Keep small parts away from children and pets to avoid the risk of choking ● Cable safety: Ensure the USB cable is positioned in a way that keeps it clear of sleeping areas to prevent accidental entanglement. For optimal safety, secure the cable out of reach of young children and pets 4. Environmental considerations ● Avoid water exposure: Do not expose the product or its components to water or other liquids, to prevent electric shock or damage. The pillow cover is removable and washable but the internal electronic components should be kept dry at all times ● Heat sources: To avoid damage and overheating, keep the product away from heat sources such as radiators, stoves and direct sunlight 5. Maintenance and care ● Cleaning: Follow the manufacturer’s instructions for cleaning the pillow cover. Do not attempt to clean the electronic components or the product’s internal parts ● Inspection: Regularly inspect the pillow, USB cable and any accessories for signs of damage. If damage is detected, discontinue use immediately and contact customer support for assistance 6. Usage ● Personal use: This product is intended for personal use only. Please do not use it as a medical device or for anything other than sleep enhancement ● Sleep environment: Ensure your sleep environment is safe and comfortable. Do not place heavy objects on the pillow or the product’s electronic components. 7. Disposal ● Environmentally friendly disposal: Follow local regulations for disposing of electronic products. Do not dispose of this product or its components in regular household waste. By following these safety instructions, you can ensure a safe and effective experience with your Mammoth SmartPillow with SleepEngine ™ technology. For any questions or concerns, please contact customer support. Important safety instructions 1. Positioning your pillow ● Use a pillow cover and place the pillow on your bed as you would with any traditional pillow ● Ensure the power cable is positioned towards the back of your pillow to avoid obstructing your movement or safety during sleep 2. Connecting your SmartPillow to power ● Your SmartPillow has been designed with a permanent power cable which connects the SleepEngine ™ sound unit directly to a power source ● Connect the USB-A end of the cable to the power adapter provided ● Plug the adapter into the power socket and switch it on (if needed) 3. Power cable routing ● Prevent the cable from creating loops or becoming tangled ● Neatly gather and secure the bulk of the cable outside the pillow using the cable ties supplied 4. Using the SleepEngine™ App ● The SleepEngine™ App is required to control all the sound features of the SmartPillow ● Download the SleepEngine™ App to your smart device from the App Store or Google Play Store ● Launch the App and follow the on-screen instructions to connect your SmartPillow using Bluetooth ● Note that to connect your SleepEngine™ App to the SmartPillow, you will need to scan the QR code found on the label attached to the power cable – this ensures a secure connection between your App and the SmartPillow ● Personalise your sleep experience by choosing your preferred sleep settings, to include Sleep Program, Soundscape, volume and wake-up alarm ● Experiment with different settings to discover which best help you to fall asleep and stay asleep throughout the night Page 3 What’s in the box? You should find the following items inside the box: ● Mammoth SmartPillow with a compact SleepEngine ™ sound unit inside ● Power adapter ● Cable ties Carefully remove all items from the box. If any items are missing or appear damaged, please get in touch with customer support straight away. Quick start guide Page 4 The SleepEngine™ App controls all the sound technology features of your SmartPillow. The App can be downloaded to your smart device from the App Store or Google Play Store. Once downloaded, you will need to launch the App to start the simple registration process and begin using its features. At the Welcome screen, tap to move to the Registration/Log In page. Reg…

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1/1 US Agent for Service of Process LETTER OF ATTESTATION TO:Wilson Tech Service LLC Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: Wilson Tech Service LLC FRN: 0033402033 Contact Name: Wilson Cheung Address: 1312 17th Street Suite 692,Denver,CO,80202,US Telephone No: +1-716-965-5112 Email: [email protected] Applicant: Company name: Cambridge Sleep Sciences Ltd Product Description: Pillow speaker FRN: 0029973112 Grantee code: 2AXKB FCC ID: 2AXKB-SE-EU-001 Contact Name: Julian Stone Address: 115B Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RZ.United Kingdom Telephone No: +44 238 0111 555 Email: [email protected] [Cambridge Sleep Sciences Ltd] certifies that, as of the date of this filing of the application with the TCB, [Wilson Tech Service LLC] is our designated US agent for service of process for the above referenced FCC ID. [Cambridge Sleep Sciences 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 equipment. [Wilson Tech Service LLC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2024/11/27 Applicant’s Name: Julian Stone US Agent’s Name: Wilson Cheung Title:/ Title: Manager Signature Signature

Cambridge Sleep Sciences Ltd (2024-11-28) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID: 2AXKB-SE-EU-001 [Cambridge Sleep Sciences 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. Sincerely, (Applicant signature) (Applicant printed name) Julian Stone Cambridge Sleep Sciences Ltd (2024-11-28) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCC ID: 2AXKB-SE-EU-001 [Cambridge Sleep Sciences 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. Sincerely, (Applicant signature) (Applicant printed name) Julian Stone

Cambridge Sleep Sciences Ltd 2024-11-28 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Beijing TIRT Technology Service Co.,Ltd Shenzhen) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Name: Julian Stone Date: 2024-11-28 Title: / Company name: Cambridge Sleep Sciences Ltd

Difference Description We Cambridge Sleep Sciences Ltd state: Product name: Pillow speaker Model: SE-EU-001, SE-EU-002 FCC ID: 2AXKB-SE-EU-001 Test model: SE-EU-001 There is no difference except the name of the model; Signature: Date: 2024-12-04 Name: Julian Stone Title: / Company: Cambridge Sleep Sciences Ltd

Cambridge Sleep Sciences Ltd (2024-11-28) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (EUT Name: Pillow speaker/ Model：SE- EU-001, SE-EU-002 / FCC ID: 2AXKB-SE-EU-001) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Block Diagram ,Operational Description,Schematics) required to be submitted with this application be permanently withheld from public review. SPECIFY REASON FOR REQUEST (i.e. the above documents are company proprietary information that could never get into the possession of your competition). Please contact me if there is any information you may need. Sincerely, Name: Julian Stone Date: 2024-11-28 Title: / Company name: Cambridge Sleep Sciences Ltd

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. Designed Engineered in the UK. Made in China Copyright 2020 Cambridge Sleep FCCID :2AXKB-SE-EU-001 Sciences Power Rating: 5V 3A SleepHub Model No.SE-EU-001 www.sleephub.com i

BLE ANT 2402-2480MHz

RF EXPOSURE EVALUATION EUT Specification EUT Pillow speaker Model Number SE-EU-001, SE-EU-002 FCC ID 2AXKB-SE-EU-001 Antenna gain(Max) 1.90dBi Operation Frequency 2402-2480MHz Input Rating DC 5V from AC/DC Adapter Classification Per Stipulated Test Standard §15.247(i), §2.1093 Modulation GFSK Max.outputpower -2.65dBm (0.000543W) TestRequirement: According to §15.247(i) and §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 guide lines. Routine SAR evaluation refers to that specifically required by §2.1093, using measurements or computer simulation. When routine SAR evaluation is not required, portable transmitters without put power greater than the applicable low threshold require SAR evaluation to quality for TCB approval. One antenna is available for the EUT. The minimum separation distance is 5mm. BLE DTS: According to KDB 447498, no stand-alone required for BT antenna, and no simultaneous SAR measurement is required. Signature: Stone Tang Date: 2024- 11-05 Transmit Frequency (MHz) Bit Rate of Transmitter Mode Measured Power (dBm) Tune up Power (dBm) Max tune up power(dBm) Calculation Result 1-g SAR 2402 1Mbps GFSK -2.74 -3±1 -2 0.195590 3 2440 1Mbps GFSK -2.69 -3±1 -2 0.197131 3 2480 1Mbps GFSK -3.51 -3±1 -2 0.198740 3 2402 2Mbps GFSK -2.76 -3±1 -2 0.195590 3 2440 2Mbps GFSK -2.65 -3±1 -2 0.197131 3 2480 2Mbps GFSK -3.39 -3±1 -2 0.198740 3

Shenzhen YishengbangTechnology Co., Ltd Antenna Test Report Report date: 2024-07- Project: RF205E 31 1 Purpose ort is to measure the performance of SLKfor Master . All measure data are showed below. Content 1. Product Overview 2.Test Result 2.1 VSWR/S11 2.2 Antenna TRP/TIS 2.3 Antenna Gain/Efficiency/3D DATA 2.4 throughput test 3. Conclusions 2 1. Product Overview 3 2. Test Result 2.1VSWR/S11 4 5 2. Test Result 2.2 WIFI Antenna TRP/TIS frequency 1611 B-TRP-11MBps13.2513.8914.52 B-TIS-11MBps-80.1-81.3-81.97 G-TRP-54MBps12.5612.6113.22 G-TIS-54MBps-70.9-71.77-71.59 N-TRP-MCS712.4912.7513.17 N-TIS-MCS7-66.39-67.16-66.1 6 2. Test Result 2.3 WIFI Antenna Gain/Efficiency/3D DATA Frequenc y (MHz) Efficiency (dBi) Gain (dBi) Efficiency (%) 2400 -2.84 1.55 51.97 2410 -2.84 1.82 51.89 2420 -2.83 1.90 52.11 2430 -2.77 1.70 52.83 2440 -2.90 1.34 51.21 2450 -2.98 1.89 50.25 2460 -2.73 1.78 53.25 2470 -2.88 1.63 51.52 2480 -2.99 1.37 50.16 2490 -2.76 1.28 52.88 2500 -2.70 1.01 53.60 7 2. Test Result 2.4 WIFI throughput test 2.4G 10m download 2.4G 10m upload 8 2. Test Result 2.4 WIFI throughput test 2.4G 10m download 2.4G 10m upload

Product Name: Pillow speaker Report No:ITEZA2-202400326RF Product Model: SE-EU-001, SE-EU-002 Security Classification: Open Version: V1.0 Total Page:67 TIRT Testing Report Prepared By: Checked By: Approved By: Aaron Long Stone Tang Joky Wang Report No.:ITEZA2-202400326RF Page 2 of 67 FCC Radio Test Report FCC ID: 2AXKB-SE-EU-001 According to 47 CFR FCC Part 15, Subpart C(Section 15.247) ANSI C63.10:2013 Applicant: Cambridge Sleep Sciences Ltd Address: 115B Innovation Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RZ.United Kingdom Manufacturer: Vistron (Dong Guan) Audio Equipment Co.,Ltd Address: NO.17 Ji Cai Street, Song Gang District, Qing Xi Town, Dong Guan City, Guang Dong Province, China Sample No: 1000045442 Product Name: Pillow speaker Brand Name: N/A Model No.: SE-EU-001, SE-EU-002 Different: There is no difference except the name of the model Test No.: SE-EU-001 Date of Receipt: 2024/08/31 Date of Test: 2024/08/31~2024/11/04 Issued Date: 2024/11/28 Testing Lab: TIRT Note: This report shall not be reproduced except in full, without the written approval of Beijing TIRT Technology Service Co.,Ltd Shenzhen.Laboratory. This document may be altered or revised by Beijing TIRT Technology Service Co.,Ltd Shenzhen. Laboratory.Personnel only, and shall be noted in the revision section of the document. The test results of this report relate only to the tested sample identified in this report. Report No.:ITEZA2-202400326RF Page 3 of 67 Table of Contents Page REPORT ISSUED HISTORY 6 1 . SUMMARY OF TEST RESULTS 7 1.1 TEST FACILITY 8 1.2 MEASUREMENT UNCERTAINTY 8 1.3 TEST ENVIRONMENT CONDITIONS 9 2 . GENERAL INFORMATION 10 2.1 GENERAL DESCRIPTION OF EUT 10 2.2 DESCRIPTION OF TEST MODES 11 2.3 PARAMETERS OF TEST SOFTWARE 12 2.4. ACCESSORIES OF DEVICE (EUT) 12 2.5 BLOCKDIAGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED 12 2.6 SUPPORT UNITS 12 3 .AC POWER LINE CONDUCTED EMISSIONS 13 3.1 LIMIT 13 3.2 TEST PROCEDURE 13 3.3 DEVIATIONFROMTESTSTANDARD 13 3.4 TESTSETUP 14 3.5 EUT OPERATING CONDITIONS 14 3.6 TEST RESULTS 14 4 . RADIATED EMISSIONS 15 4.1 LIMIT 15 4.2 TEST PROCEDURE 16 4.3 DEVIATIONFROMTESTSTANDARD 17 4.4 TESTSETUP 17 4.5 EUT OPERATING CONDITIONS 19 4.6 TEST RESULT- 9KHZ TO 30MHZ 19 4.7 TEST RESULT- 30MHZ TO 1000MHZ 19 4.8 TEST RESULT- ABOVE 1000MHZ 19 5 .BANDWIDTH 20 5.1 LIMIT 20 5.2 TEST PROCEDURE 20 5.3 DEVIATION FROM STANDARD 20 5.4 TEST SETUP 20 5.5 EUT OPERATION CONDITIONS 20 Report No.:ITEZA2-202400326RF Page 4 of 67 Table of Contents Page 5.6 TESTRESULTS 20 6 .MAXIMUM OUTPUT POWER 21 6.1 LIMIT 21 6.2 TEST PROCEDURE 21 6.3 DEVIATION FROM STANDARD 21 6.4 TEST SETUP 21 6.5 EUT OPERATION CONDITIONS 21 6.6 TESTRESULTS 21 7 .CONDUCTED SPURIOUS EMISSION 22 7.1 LIMIT 22 7.2 TEST PROCEDURE 22 7.3 DEVIATION FROM STANDARD 22 7.4 TEST SETUP 22 7.5 EUT OPERATION CONDITIONS 22 7.6 TEST RESULTS 22 8 .POWER SPECTRAL DENSITY 23 8.1 LIMIT 23 8.2 TEST PROCEDURE 23 8.3 DEVIATION FROM STANDARD 23 8.4 TEST SETUP 23 8.5 EUT OPERATION CONDITIONS 23 8.6 TEST RESULTS 23 9. ANTENNA REQUIREMENT 24 9.1STANDARD REQUIREMENT 24 9.2ANTENNA CONNECTED CONSTRUCTION 24 9.3RESULTS 24 10. MEASUREMENT INSTRUMENTS LIST 25 11. PHOTOS OF TEST SETUP 26 12. PHOTOS OF EUT 28 APPENDIX A - AC POWER LINE CONDUCTED EMISSIONS 35 APPENDIX B - RADIATED EMISSION -9 KHZ TO 30 MHZ 37 APPENDIX C - RADIATED EMISSION-30 MHZ TO 1000 MHZ 38 APPENDIX D - RADIATED EMISSION - ABOVE 1000 MHZ 40 Report No.:ITEZA2-202400326RF Page 5 of 67 Table of Contents Page APPENDIX E - BANDWIDTH 42 APPENDIX F - MAXIMUM OUTPUT POWER 48 APPENDIX G - CONDUCTED SPURIOUS EMISSION 51 APPENDIX H- POWER SPECTRAL DENSITY 62 APPENDIX I DUTY CYCLE 65 Report No.:ITEZA2-202400326RF Page 6 of 67 REPORT ISSUED HISTORY Report No. Version Description Issued Date Note ITEZA2-202400326RF1 V1.0 Original Report. 2024.11.28 Valid Report No.:ITEZA2-202400326RF Page 7 of 67 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standard(s): FCC CFR Title 47, Part 15, Subpart C Standard(s) Section Test Item Test Result Judgment Remark 15.207 AC Power Line Conducted Emissions APPENDIX A PASS ------ 15.247(d) 15.205(a) 15.209(a) Radiated Emissions APPENDIX B APPENDIX C APPENDIX D PASS ------ 15.247(a)(2) Bandwidth APPENDIX E PASS ------ 15.247(b)(3) Maximum Output Power APPENDIX F PASS ------ 15.247(d) Conducted Spurious Emission APPENDIX G PASS ------ 15.247(e) Power Spectral Density APPENDIX H PASS ------ 15.203 Antenna Requirement ------ PASS Note(2) Note: (1) “N/A” denotes test is not applicable to this device. (2) The device what use a permanently attached antenna were considered sufficient to comply with the provisions of 15.203. Report No.:ITEZA2-202400326RF Page 8 of 67 1.1 TEST FACILITY Company: Beijing TIRT Technology Service Co.,Ltd Shenzhen Address: 104 Building C, Xinmingsheng Industrial Park No.132, Zhangge Old Village East Zone, Zhangge Community, Fucheng Street, Longhua District, Shenzhen, Guangdong, P. R. China CNAS Registration Number: CNAS L14158 A2LA Registration Number: 6049.01 FCC Accredited Lab.Designation Number: CN1366 FCC Test Firm Registration Number: 820690 Telephone: +86-0755-27087573 1.2 MEASUREMENT UNCERTAINTY ISO/IEC 17025 requires that an estimate of the measurement uncertainties associated with the emissions test results be included in the report. The measurement uncertainties given below are based on a 95% confidence level (based on a coverage factor (k=2)) The measurement uncertainty as below table: Uncertainty Parameter Uncertainty Occupied Channel Bandwidth ±142.12 KHz RF power conducted ±0.74 dB RF power radiated ±3.25dB Spurious emissions, conducted ±1.78dB Spurious emissions, radiated (30MHz～1GHz) ±4.6dB Spurious emissions, radiated (1GHz ~ 18GHz) ±4.9dB Conduction Emissions(150kHz~30MHz) ±3.1 dB Humidity ±4.6% Temprature ±0.7°C Time ±1.25% Note: Unless specifically mentioned, the uncertainty of measurement has not been taken into account to declare the compliance or non-compliance to the specification. Report No.:ITEZA2-202400326RF P…

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Report No.:ITEZA2-202400326RF Page 35 of 67 APPENDIX A - AC POWER LINE CONDUCTED EMISSIONS Only show the worst mode: GFSK 1M 2402MHz: Polarization: Line Report No.:ITEZA2-202400326RF Page 36 of 67 Polarization: Neutral Report No.:ITEZA2-202400326RF Page 37 of 67 APPENDIX B - RADIATED EMISSION -9 KHZ TO 30 MHZ The low frequency, which started from 9 kHz to 30MHz, was pre-scanned and the result which was 20dB lower than the limit line was not reported. There is a comparison data of both open-field test site and semi-Anechoic chamber, and the result came out very similar. Report No.:ITEZA2-202400326RF Page 38 of 67 APPENDIX C - RADIATED EMISSION-30 MHZ TO 1000 MHZ Only show the worst mode: Test Mode TX Mode_1Mbps Channel 00 Polarization Vertical REMARKS: (1) Measurement Value = Reading Level + Correct Factor. (2) Margin Level = Measurement Value - Limit Value. Report No.:ITEZA2-202400326RF Page 39 of 67 Test Mode TX Mode_1Mbps Channel 00 Polarization Horizontal REMARKS: (1) Measurement Value = Reading Level + Correct Factor. (2) Margin Level = Measurement Value - Limit Value. Report No.:ITEZA2-202400326RF Page 40 of 67 APPENDIX D - RADIATED EMISSION - ABOVE 1000 MHZ Test Result of RADIATED EMISSION-1000MHz TO 25GHz, Only show the worst mode: GFSK 1M 1Mbps: Test Mode :GFSK TX Low No . Freq Polarity Reading Correct Factor Result Limit Margin Remark MHz (dBuV/m) (dBuV/m) (dBuV/m) 1 4804 V 88.74 -27.15 61.59 74 -12.41 Peak 2 4804 V 69.47 -27.15 42.32 54 -11.68 Avg 3 7206 -- -- -- -- -- 4 9608 -- -- -- -- -- 5 4804 H 90.43 -27.15 63.28 74 -10.72 Peak 6 4804 H 68.51 -27.15 41.36 54 -12.64 Avg 7 7206 -- -- -- -- -- 8 9608 -- -- -- -- -- Test Mode :GFSK TX Mid 1 4880 V 90.54 -27.83 62.71 74 -11.29 Peak 2 4880 V 70.29 -27.83 42.46 54 -11.54 Avg 3 7320 -- -- -- -- -- 4 9760 -- -- -- -- -- 5 4880 H 90.96 -27.83 63.13 74 -10.87 Peak 6 4880 H 71.62 -27.83 43.79 54 -10.21 Avg 7 7320 -- -- -- -- -- 8 9760 -- -- -- -- -- Test Mode :GFSK TX High 1 4960 V 90.51 -28.45 62.06 74 -11.94 Peak 2 4960 V 70.04 -28.45 41.59 54 -12.41 Avg 3 7440 -- -- -- -- -- 4 9920 -- -- -- -- -- 5 4960 H 90.97 -28.45 62.52 74 -11.48 Peak 6 4960 H 69.80 -28.45 41.35 54 -12.65 Avg 7 7440 -- -- -- -- -- 8 9920 -- -- -- -- -- -- Report No.:ITEZA2-202400326RF Page 41 of 67 Test Result of Radiated Spurious at Band edges Only show the worst mode: GFSK 1M Test Results PASS Frequency Range 2310MHz~2410MHz Test Mode 1Mbps: GFSK TX 2402MHz N o. Freq MHz Polarity Reading (dBuV/m) Correct Factor Result (dBuV/m) Limit (dBuV/m) Margin Remark 1 2390 H 75.16 -21.47 53.69 74.00 -20.31 Peak 2 2390 H -- -21.47 -- 54.00 -- Avg 3 2400 H 79.48 -26.12 53.36 74.00 -20.64 Peak 4 2400 H -- -26.12 -- 54.00 -- Avg 1 2390 V 74.28 -21.47 52.81 74.00 -21.19 Peak 2 2390 V -- -21.47 -- 54.00 -- Avg 3 2400 V 78.69 -26.12 52.57 74.00 -21.43 Peak 4 2400 V -- -26.12 -- 54.00 -- Avg Test Results PASS Frequency Range 2450MHz~2550MHz Test Mode 1Mbps: GFSK TX 2480MHz 1 2483.5 H 78.37 -25.29 53.08 74.00 -20.92 Peak 2 2483.5 H -- -25.29 -- 54.00 -- Avg 1 2483.5 V 78.52 -25.29 53.23 74.00 -20.77 Peak 2 2483.5 V -- -25.29 -- 54.00 -- Avg Note: 1. Means other frequency and mode comply with standard requirements and at least have 20dB margin. 2. Correct Factor=Cable Loss+ Antenna Factor-Amplifier Gain. Result=Reading + Correct Factor. Margin= Result-Limit. 3. If the limits for the measurement with the average detector are met when using a receiver with a peak detector, the test unit shall be deemed to meet both limits and the measurement with the average detector need not be carried out. Report No.:ITEZA2-202400326RF Page 42 of 67 APPENDIX E - BANDWIDTH -6dB Bandwidth TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.66 2401.67 2402.33 0.5 PASS 2440 0.66 2439.66 2440.32 0.5 PASS 2480 0.67 2479.66 2480.33 0.5 PASS BLE_2M Ant1 2402 1.14 2401.44 2402.58 0.5 PASS 2440 1.17 2439.41 2440.58 0.5 PASS 2480 1.14 2479.43 2480.58 0.5 PASS BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 Report No.:ITEZA2-202400326RF Page 43 of 67 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Report No.:ITEZA2-202400326RF Page 44 of 67 BLE_2M_Ant1_2480 Report No.:ITEZA2-202400326RF Page 45 of 67 99% Occupied Bandwidth TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.051 2401.4765 2402.5275 --- --- 2440 1.051 2439.4725 2440.5235 --- --- 2480 1.051 2479.4725 2480.5235 --- --- BLE_2M Ant1 2402 2.082 2400.9770 2403.0589 --- --- 2440 2.074 2438.9770 2441.0509 --- --- 2480 2.082 2478.9690 2481.0509 --- --- Report No.:ITEZA2-202400326RF Page 46 of 67 BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Report No.:ITEZA2-202400326RF Page 47 of 67 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Report No.:ITEZA2-202400326RF Page 48 of 67 APPENDIX F - MAXIMUM OUTPUT POWER TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M Ant1 2402 -2.74 ≤30 PASS 2440 -2.69 ≤30 PASS 2480 -3.51 ≤30 PASS BLE_2M Ant1 2402 -2.76 ≤30 PASS 2440 -2.65 ≤30 PASS 2480 -3.39 ≤30 PASS Report No.:ITEZA2-202400326RF Page 49 of 67 BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Report No.:ITEZA2-202400326RF Page 50 of 67 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Report No.:ITEZA2-202400326RF Page 51 of 67 APPENDIX G - CONDUCTED SPURIOUS EMISSION Spurious Emission TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 30~1000 -3.33 -59.33 ≤-23.33 PASS 1000~26500 -3.33 -45.02 ≤-23.33 PASS 2440 30~1000 -3.27 -58.86 ≤-23.27 PASS 1000~26500 -3.27 -45.09 ≤-23.27 PASS 2480 30~1000 -4.24 -58.17 ≤-24.24 PASS 1000~26500 -4.24 -44.06 ≤-24.24 PASS BLE_2M Ant1 2402 30~1000 -3.83 -59.27 ≤-23.83 PASS 1000~26500 -3.83 -40.89 ≤-23.83 PASS 2440 30~1000 -3.84 -58.2 ≤-23.84 PASS 1000~26500 -3.84 -44.86 ≤-23.84 PASS 2480 30~1000 -4.60 -58.16 ≤-24.6 PASS 1000~26500 -4.60 -45.82 ≤-24.6 PASS Report No.:ITEZA2-202400326RF Page 52 of 67 BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 BLE_1M_A…

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Conducted Emission at AC power line Occupied Bandwidth Maximum Conducted Output Power Power Spectral Density Emissions in non-restricted frequency bands Band edge emissions (Radiated) Emissions in restricted frequency bands (above 1GHz) Emissions in restricted frequency bands (below 1GHz)