2BDJB-MS1504G Cellular Multisensor

NB-IoT: Band2/4/5/12/66

YT Innovations LLC ADD: 209-34 Northern Blvd PMC 1001, Bayside, New York, United States, 11361 TEL: (718) 309-7193 FAX: N/A E-mail: [email protected] Date: 2024-01-09 Attestation Letter FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: The chip installed in our product 4G Cellular Multisensor (model name: MS150, FCC ID: 2BDJB-MS150), that only NB-IoT B2/4/5/12/66 were activated, other functions are disabled by using the software and the end user cannot activate them. Then Bluetooth antenna on the board is only reserved. The product does not support the Bluetooth function. Please contact me if there is need for any additional clarification or information. Best Regards, Sincerely Yours, Signature: Contact Person: Yehudah tropper Title: Member

YT Innovations LLC ADD: 209-34 Northern Blvd PMC 1001, Bayside, New York, United States, 11361 TEL: (718) 309-7193 FAX: N/A E-mail: [email protected] CFR 47 §2.911(d)(5)(i)(ii) Attestation Letter Attestation Letter Date: 01/09/2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i)(ii) Filing FCC ID: 2BDJB-MS150 YT Innovations LLC (“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. YT Innovations LLC (“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, Signature Contact Person: Yehudah tropper Title: Member

U.S. AGENT LETTER OF ATTESTATION Date: 2024-01-09 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: 2BDJB-MS150 YT Innovations LLC (“the Applicant”) certifies that, as of the date of the filing of the application, YT Innovations LLC (U.S. agent). is our designated U.S. agent for service of process for the above referenced FCC ID. YT Innovations LLC (“the Applicant”) 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. YT Innovations LLC (U.S. agent) 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 and Applicant Information: Name: YT Innovations LLC Address: 209-34 Northern Blvd PMC 1001 , Bayside, New York, United States, 11361 FRN: 0034463430 Tel.: (718) 309-7193 Email: [email protected] Signed by (printed name): Yehudah tropper Signature:

QA-FR-170-B YT Innovations LLC ADD: 209-34 Northern Blvd PMC 1001, Bayside, New York, United States, 11361 TEL: (718) 309-7193 FAX: N/A E-mail: [email protected] FCC Authorization Date: 2024-01-09 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We , YT Innovations LLC, Hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. 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. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Client’s signature Contact Person: Yehudah tropper Title: Member

QA-FR-171-A YT Innovations LLC ADD: 209-34 Northern Blvd PMC 1001, Bayside, New York, United States, 11361 TEL: (718) 309-7193 FAX: N/A E-mail: [email protected] FCC Confidential Authorization Date: 2024-01-09 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2BDJB-MS150 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, YT Innovations LLC hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Signature: Contact Person: Yehudah tropper Title: Member  BOM  Tune up procedure

China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-EXP Page 1 of 4 EUT EXTERNAL PHOTOGRAPHS China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-EXP Page 2 of 4 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-EXP Page 3 of 4 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-EXP Page 4 of 4

China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-INP Page 1 of 6 EUT INTERNAL PHOTOGRAPHS China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-INP Page 2 of 6 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-INP Page 3 of 6 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-INP Page 4 of 6 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-INP Page 5 of 6 NB-IoT Antenna 43 3.92MHz Rx Antenna Bluetooth Antenna(no use ) China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-INP Page 6 of 6

China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 82 of 84 5. RF EXPOSURE EVALUATION 5.1 §1.1310 & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) 5.1.1 Applicable Standard According to subpart §1.1310, 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 30 300–1500 / / f/1500 30 1500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. 5.1.2 Calculation formula: Prediction of power density at the distance of the applicable MPE limit S = PG/4R² = 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); 5.1.3 Calculated Data: Mode Frequency (MHz) Antenna Gain Conducted output power including Tune- up Tolerance Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric)(dBm)(mW) NB-IoT B2 1850-1910 6.1 4.07 21125.89 20.00 0.1021 1.0 NB-IoT B4 1710-1755 6.1 4.07 21125.89 20.00 0.1021 1.0 NB-IoT B5 824-849 3 2.00 21125.89 20.00 0.0500 0.55 NB-IoT B12 699-716 3 2.00 21 125.89 20.00 0.0500 0.47 NB-IoT B66 1710-1780 6.1 4.07 21 125.89 20.00 0.1021 1.0 Note: The Conducted output power including Tune-up Tolerance was provided by manufacturer. Result: The device meet FCC MPE at 20 cm distance

Antenna Specification 1. General information Model Name OA-N01 Frequency 699-960MHz，1710-2700MHz， 3300-4200MHz，4400-5000MHz Impedance 50Ω Antenna Gain 3.0 dBi (699-960MHz) 6.1 dBi (1710-2700MHz) 3.3dBi (3300-4200MHz) 2.1 dBi (4400-5000MHz) Antenna Type SMD Antenna Manufacturer Guangzhou Cambrian Electronic Technology Co. , Ltd. Address No. 410, D2 Agile Plaza, Luogang, Shuixi Road, Huangpu District Science City, Guangzhou, China 2. Antenna Picture & Dimension (mm) Theta @890 MHz Phi @890 MHz 3. Antenna Pattern Total @890 MHz Theta @2 GHz Phi @2 GHz Total @2 GHz Theta @3.7 GHz Phi @3.7 GHz Total @3.7 GHz Theta @4.8 GHz Phi @4.8 GHz Total @4.8 GHz

TEST REPORT Applicant: YT Innovations LLC Address: 209-34 Northern Blvd PMC 1001 , Bayside, New York, United States, 11361 FCC ID: 2BDJB-MS150 Product Name: 4G Cellular Multisensor Standard(s): 47 CFR Part 2 47 CFR Part 22, Subpart H 47 CFR Part 24, Subpart E 47 CFR Part 27 ANSI C63.26-2015 The above device has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR231166464-00A Date Of Issue: 2024/2/1 Reviewed By: Julie Tan Title: RF Engineer Approved By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 2 of 84 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 3 of 84 CONTENTS DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 7 1.2.1 EUT Operation Condition: ............................................................................................................................. 7 1.2.2 Support Equipment List and Details .............................................................................................................. 7 1.2.3 Support Cable List and Details ...................................................................................................................... 7 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 7 1.3 MEASUREMENT UNCERTAINTY .......................................................................................................... 8 2. SUMMARY OF TEST RESULTS ............................................................................................ 9 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 10 3.1 Applicable Standard For Part 22 Subpart H: ................................................................................................... 10 3.1.1 RF Output Power ......................................................................................................................................... 10 3.1.2 Spurious Emissions ...................................................................................................................................... 10 3.1.3 Frequency stability ....................................................................................................................................... 10 3.2 Applicable Standard For Part 24 Subpart E: ................................................................................................... 12 3.2.1 RF Output Power ......................................................................................................................................... 12 3.2.2 Spurious Emissions ...................................................................................................................................... 12 3.2.3 Frequency stability ....................................................................................................................................... 12 3.3 Applicable Standard For Part 27: .................................................................................................................... 13 3.3.1 RF Output Power ......................................................................................................................................... 13 3.3.2 Spurious Emissions ...................................................................................................................................... 13 3.3.3 Frequency stability ....................................................................................................................................... 15 3.4 Test Method: ................................................................................................................................................... 16 3.4.1 RF Output Power ......................................................................................................................................... 16 Test Setup Block: .................................................................................................................................................. 16 3.4.2 Occupied Ban…

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China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 32 of 84 Out of band emission, Band Edge Mode Lowest (1#0) Highest (1#11) BPSK 15kHz QPSK 15kHz China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 33 of 84 Out of band emission, Band Edge Mode Lowest (12#0) Highest (12#0) QPSK 15kHz ProjectNo.:CR231166464 Tester:Jim Wei Date: 1.FEB.2024 15:06:54 ProjectNo.:CR231166464 Tester:Jim Wei Date: 1.FEB.2024 15:09:37 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 34 of 84 4.2 Antenna Port Test Data and Results for LTE Band 4 Serial Number: 2DHS-3 Test Date: 2023-12-21~2024-2-1 Test Site: RF Test Mode: Transmitting Tester: One Luo, Jim Wei Test Result: Pass Environmental Conditions: Temperature: (°C) 17.8~25.3 Relative Humidity: (%) 26~42 ATM Pressure: (kPa) 100.8~102.1 Test Equipment List and Details: Manufacturer Description Model Serial Number Calibration Date Calibration Due Date R&S Spectrum Analyzer FSV40 101474 2023-07-15 2024-07-14 zhuoxiang Coaxial Cable SMA-178 211001 Each time N/A YINSAIGE Coaxial Cable SS402 SJ0100001 Each time N/A Mini-Circuits DC Block BLK-18-S+1554403 Each time N/A Weinschel Power Splitter 1515 RA914 Each time N/A R&S Functional radio communication tester CMW290 101742 2023-06-08 2024-06-07 BACL TEMP&HUMI Test Chamber BTH-150-4030174 2023-09-29 2024-09-28 UNI-T Multimeter UT39A+ C210582554 N/A N/A ZHAOXIN DC Power Supply RXN-6010D21R6010D09123862023-07-15 2024-07-14 * Statement of Traceability: China Certification ICT Co., Ltd (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). Test Frequency For Each Mode: Sub-carrier Spacing Lowest Frequency (MHz) Middle Frequency (MHz) Highest Frequency (MHz) 3.75kHz 1710.2 1732.5 1754.8 15kHz 1710.2 1732.5 1754.8 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 35 of 84 Test Data: FCC§2.1046;§ 27.50(d)(4) RF Output Power: Modulation & Sub-carrier Spacing Resource Block & RB offset Conducted Average Output Power(dBm) Maximum EIRP (dBm) EIRP Limit (dBm) Lowest Channel Middle Channel Highest Channel BPSK & 3.75kHz RB1#0 20.15 20.07 20.95 27.08 30 RB1#47 20.11 20.17 20.98 BPSK & 15kHz RB1#0 20.79 20.83 20.96 RB1#11 20.7 20.77 20.9 QPSK & 3.75kHz RB1#0 20.15 20.21 20.05 RB1#47 20.17 20.14 20.1 QPSK & 15kHz RB1#0 20.87 20.91 20.9 RB1#11 20.75 20.79 20.93 RB12#0 18.72 18.87 19.06 Note: EIRP=Conducted Power(dBm) - LC(dB) + GT(dBi) Result: Pass Peak-to-average Ratio(PAR) Test Bandwidth & Modulation Sub-carrier Spacing (kHz) Resource Block & RB offset Peak-to-average Ratio(dB) Limit (dB) Lowest Channel Middle Channel Highest Channel BPSK 3.75 RB1#0 2.35 2.12 2.64 13 RB1#11 2.54 1.95 2.13 13 QPSK 3.75 RB1#0 2.26 2.56 2.14 13 15 RB1#0 2.58 2.45 2.16 13 RB12#0 2.56 2.12 2.22 13 Result: Pass China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 36 of 84 FCC §2.1049, §27.53:Occupied Bandwidth Operation Mode 99% Occupied Bandwidth (MHz) 26 dB Occupied Bandwidth (MHz) Low Channel Middle channel High Channel Low Channel Middle Channel High Channel BPSK 3.75k 1#0 0.056 0.058 0.058 0.045 0.041 0.043 QPSK 3.75k 1#0 0.068 0.068 0.069 0.042 0.042 0.042 BPSK 15k 1#0 0.122 0.122 0.123 0.113 0.106 0.113 QPSK 15k 1#0 0.120 0.120 0.119 0.120 0.132 0.133 QPSK 15k 12#0 0.185 0.185 0.185 0.253 0.255 0.250 Note: The test plots please refer to the Plots of Occupied Bandwidth FCC §2.1051, § 27.53:Spurious Emissions at Antenna Terminal Result: Pass, Please refer to the test plots of Spurious Emissions at Antenna Terminal. FCC §2.1051, § 27.53:Out of band emission, Band Edge Result: Pass, Please refer to the test plots of Out of band emission, Band Edge. FCC §2.1055, §27.54: Frequency Stability Test Mode: BPSK, 15kHz, RB1#0 Test Channel: Lowest for Lower Edge,Highest for Upper Edge Test Item Temperature (°C) Voltage (VDC) Lower Edge (MHz) Upper Edge (MHz) Result Limit Result Limit Frequency Stability vs. Temperature -30 3.7 1710.084 1710.00 1754.811 1755 -20 3.7 1710.015 1710.00 1754.841 1755 -10 3.7 1710.060 1710.00 1754.823 1755 0 3.7 1710.002 1710.00 1754.858 1755 10 3.7 1710.056 1710.00 1754.890 1755 20 3.7 1710.093 1710.00 1754.811 1755 30 3.7 1710.035 1710.00 1754.841 1755 40 3.7 1710.070 1710.00 1754.822 1755 50 3.7 1710.064 1710.00 1754.836 1755 Frequency Stability vs. Voltage 20 3.2 1710.095 1710.00 1754.831 1755 20 4.2 1710.091 1710.00 1754.883 1755 Result: Pass China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 37 of 84 Test Mode: QPSK 15kHz RB12#0 Test Channel: Lowest for Lower Edge,Highest for Upper Edge Test Item Temperature (°C) Voltage (VDC) Lower Edge (MHz) Upper Edge (MHz) Result Limit Result Limit Frequency Stability vs. Temperature -30 3.7 1710.166 1710.00 1754.860 1755 -20 3.7 1710.162 1710.00 1754.829 1755 -10 3.7 1710.118 1710.00 1754.849 1755 0 3.7 1710.112 1710.00 1754.804 1755 10 3.7 1710.159 1710.00 1754.821 1755 20 3.7 1710.109 1710.00 1754.894 1755 30 3.7 1710.166 1710.00 1754.881 1755 40 3.7 1710.130 1710.00 1754.845 1755 50 3.7 1710.128 1710.00 1754.873 1755 Frequency Stability vs. Voltage 20 3.2 1710.168 1710.00 1754.851 1755 20 4.2 1710.166 1710.00 1754.900 1755 Result: Pass China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 38 of 84 Test Plots(Note: The 7.5dB is the Insertion loss of the RF cable, Power Splitter and DC Block, which was offset into the Spectrum Analyzer): Occupied Bandwidth Channel BPSK 3.75 kHz RB1#0 BPSK 15 kHz RB1#0 Lowest Middle Highest China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 39 of 84 Occupied Bandwidth Channel QPSK 3.75 kHz RB1#0 QPSK 15 kHz RB1#0 Lowest Middle Highest China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 40 of 84 Occupied Bandwidth Channel QPSK 15 kHz RB12#0 Lowest Middle Highest China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 41 of 84…

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China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 43 of 84 Out of band emission, Band Edge Mode Lowest (1#0) Highest (1#11) BPSK 15kHz ProjectNo.:CR231166464 Tester:Jim Wei Date: 1.FEB.2024 15:16:10 QPSK 15kHz China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 44 of 84 Out of band emission, Band Edge Mode Lowest (12#0) Highest (12#0) QPSK 15kHz ProjectNo.:CR231166464 Tester:Jim Wei Date: 1.FEB.2024 15:14:59 ProjectNo.:CR231166464 Tester:Jim Wei Date: 1.FEB.2024 15:13:06 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 45 of 84 4.3 Antenna Port Test Data and Results for LTE Band 5 Serial Number: 2DHS-3 Test Date: 2023-12-21~2024-2-1 Test Site: RF Test Mode: Transmitting Tester: One Luo, Jim Wei Test Result: Pass Environmental Conditions: Temperature: (°C) 17.8~25.3 Relative Humidity: (%) 26~42 ATM Pressure: (kPa) 100.8~102.1 Test Equipment List and Details: Manufacturer Description Model Serial Number Calibration Date Calibration Due Date R&S Spectrum Analyzer FSV40 101474 2023-07-15 2024-07-14 zhuoxiang Coaxial Cable SMA-178 211001 Each time N/A YINSAIGE Coaxial Cable SS402 SJ0100001 Each time N/A Mini-Circuits DC Block BLK-18-S+1554403 Each time N/A Weinschel Power Splitter 1515 RA914 Each time N/A R&S Functional radio communication tester CMW290 101742 2023-06-08 2024-06-07 BACL TEMP&HUMI Test Chamber BTH-150-4030174 2023-09-29 2024-09-28 UNI-T Multimeter UT39A+ C210582554 N/A N/A ZHAOXIN DC Power Supply RXN-6010D21R6010D09123862023-07-15 2024-07-14 * Statement of Traceability: China Certification ICT Co., Ltd (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). Test Frequency For Each Mode: Sub-carrier Spacing Lowest Frequency (MHz) Middle Frequency (MHz) Highest Frequency (MHz) 3.75kHz 824.2 836.5 848.8 15kHz 824.2 836.5 848.8 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 46 of 84 Test Data: FCC§2.1046;§ 22.913:RF Output Power Modulation & Sub-carrier Spacing Resource Block & RB offset Conducted Average Output Power(dBm) Maximum ERP (dBm) ERP Limit (dBm) Lowest Channel Middle Channel Highest Channel BPSK & 3.75kHz RB1#0 20.51 19.43 18.47 21.37 38.45 RB1#47 20.47 19.41 18.46 BPSK & 15kHz RB1#0 18.09 20.39 20.19 RB1#11 18.05 20.27 20.07 QPSK & 3.75kHz RB1#0 20.52 19.48 18.52 RB1#47 20.38 19.44 18.46 QPSK & 15kHz RB1#0 18.08 20.45 20.34 RB1#11 18.03 20.38 20.22 RB12#0 18.23 18.38 18.42 Note: ERP=Conducted Power(dBm) - LC(dB) + GT(dBd) Result: Pass Peak-to-average Ratio(PAR) Modulation Sub-carrier Spacing (kHz) Resource Block & RB offset Peak-to-average Ratio (dB) Limit (dB) Lowest Channel Middle Channel Highest Channel BPSK 3.75 RB1#0 2.65 2.22 2.46 13 15 RB1#11 2.45 1.56 2.31 13 QPSK 3.75 RB1#0 2.62 2.65 2.52 13 15 RB1#0 2.54 2.26 2.26 13 RB12#0 2.53 2.96 2.25 13 Result: Pass China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 47 of 84 FCC §2.1049, §22.917, §22.905:Occupied Bandwidth Operation Mode 99% Occupied Bandwidth (MHz) 26 dB Occupied Bandwidth (MHz) Low Channel Middle channel High Channel Low Channel Middle Channel High Channel BPSK 3.75K 1#0 0.055 0.056 0.055 0.041 0.043 0.042 QPSK 3.75K 1#0 0.067 0.067 0.064 0.045 0.045 0.045 BPSK 15K 1#0 LOW 0.122 0.120 0.119 0.114 0.120 0.119 QPSK 15K 1#0 0.119 0.117 0.120 0.119 0.133 0.133 QPSK 15K 12#0 0.184 0.184 0.184 0.249 0.255 0.255 Note: The test plots please refer to the Plots of Occupied Bandwidth FCC §2.1051, §22.917(a):Spurious Emissions at Antenna Terminal Result: Pass, Please refer to the test plots of Spurious Emissions at Antenna Terminal. FCC §2.1051, §22.917(a):Out of band emission, Band Edge Result: Pass, Please refer to the test plots of Out of band emission, Band Edge. FCC §2.1055, §22.355: Frequency Stability Test Modulation: BPSK, 15kHz, RB1#0 Test Channel: 836.5 MHz Test Item Temperature (°C) Voltage (VDC) Frequency Error Limit (Hz) (ppm) (ppm) Frequency Stability vs. Temperature -30 3.7 -6.15 -0.007 2.5 -20 3.7 -6.95 -0.008 2.5 -10 3.7 -5.55 -0.007 2.5 0 3.7 6.05 0.007 2.5 10 3.7 9.82 0.012 2.5 20 3.7 5.04 0.006 2.5 30 3.7 -6.63 -0.008 2.5 40 3.7 -8.75 -0.010 2.5 50 3.7 -7.06 -0.008 2.5 Frequency Stability vs. Voltage 20 3.2 8.95 0.011 2.5 20 4.2 -7.12 -0.009 2.5 Result: Pass China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 48 of 84 Test Modulation: QPSK, 15kHz , RB12#0 Test Channel: 836.5 MHz Test Item Temperature (°C) Voltage (VDC) Frequency Error Limit (Hz) (ppm) (ppm) Frequency Stability vs. Temperature -30 3.7 -8.82 -0.011 2.5 -20 3.7 8.12 0.010 2.5 -10 3.7 -8.54 -0.010 2.5 0 3.7 9.35 0.011 2.5 10 3.7 -6.95 -0.008 2.5 20 3.7 7.56 0.009 2.5 30 3.7 6.45 0.008 2.5 40 3.7 -6.18 -0.007 2.5 50 3.7 -6.46 -0.008 2.5 Frequency Stability vs. Voltage 20 3.2 6.35 0.008 2.5 20 4.2 -6.85 -0.008 2.5 Result: Pass China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 49 of 84 Test Plots(Note: The 7.5dB is the Insertion loss of the RF cable, Power Splitter and DC Block, which was offset into the Spectrum Analyzer): Occupied Bandwidth Channel BPSK 3.75 kHz RB1#0 BPSK 15 kHz RB1#0 Lowest Middle Highest China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 50 of 84 Occupied Bandwidth Channel QPSK 3.75 kHz RB1#0 QPSK 15 kHz RB1#0 Lowest Middle Highest China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 51 of 84 Occupied Bandwidth Channel QPSK 15 kHz RB12#0 Lowest Middle Highest China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 52 of 84 Spurious Emissions at Antenna Terminal Channel (Worst: BPSK 3.75K 1#0 was tested) Lowest Middle Highest China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 53 of 84 Out of band emission, Band Edge Mode Lowest (1#0) Highest (1#47) BPSK 3.75kHz QPSK 3.75kHz

China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 54 of 84 Out of band emission, Band Edge Mode Lowest (1#0) Highest (1#11) BPSK 15kHz QPSK 15kHz China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 55 of 84 Out of band emission, Band Edge Mode Lowest (12#0) Highest (12#0) QPSK 15kHz ProjectNo.:CR231166464 Tester:Jim Wei Date: 1.FEB.2024 15:22:22 ProjectNo.:CR231166464 Tester:Jim Wei Date: 1.FEB.2024 15:24:04 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 56 of 84 4.4 Antenna Port Test Data and Results for LTE Band 12 Serial Number: 2DHS-3 Test Date: 2023-12-21~2024-2-1 Test Site: RF Test Mode: Transmitting Tester: One Luo, Jim Wei Test Result: Pass Environmental Conditions: Temperature: (°C) 17.8~25.3 Relative Humidity: (%) 26~42 ATM Pressure: (kPa) 100.8~102.1 Test Equipment List and Details: Manufacturer Description Model Serial Number Calibration Date Calibration Due Date R&S Spectrum Analyzer FSV40 101474 2023-07-15 2024-07-14 zhuoxiang Coaxial Cable SMA-178 211001 Each time N/A YINSAIGE Coaxial Cable SS402 SJ0100001 Each time N/A Mini-Circuits DC Block BLK-18-S+1554403 Each time N/A Weinschel Power Splitter 1515 RA914 Each time N/A R&S Functional radio communication tester CMW290 101742 2023-06-08 2024-06-07 BACL TEMP&HUMI Test Chamber BTH-150-4030174 2023-09-29 2024-09-28 UNI-T Multimeter UT39A+ C210582554 N/A N/A ZHAOXIN DC Power Supply RXN-6010D21R6010D09123862023-07-15 2024-07-14 * Statement of Traceability: China Certification ICT Co., Ltd (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). Test Frequency For Each Mode: Sub-carrier Spacing Lowest Frequency (MHz) Middle Frequency (MHz) Highest Frequency (MHz) 3.75kHz 699.8 707.5 715.8 15kHz 699.8 707.5 715.8 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231166464-00A Page 57 of 84 Test Data: FCC§2.1046;§ 27.50(d)(4) RF Output Power: Modulation & Sub-carrier Spacing Resource Block & RB offset Conducted Average Output Power(dBm) Maximum ERP (dBm) ERP Limit (dBm) Lowest Channel Middle Channel Highest Channel BPSK&3.75kHz RB1#0 20.13 20.15 20.56 21.81 34.77 RB1#47 20 20.13 20.47 BPSK&15kHz RB1#0 20.88 20.18 20.27 RB1#11 20.85 20.16 20.27 QPSK&3.75kHz RB1#0 20.11 20.22 20.59 RB1#47 20.02 20.13 20.58 QPSK&15kHz RB1#0 20.96 20.24 20.31 RB1#11 20.93 20.18 20.27 RB12#0 19.02 18.22 18.45 Note: ERP=Conducted Power(dBm) - LC(dB) + GT(dBd) Result: Pass Peak-to-average Ratio(PAR) Modulation Sub-carrier Spacing (kHz) Resource Block & RB offset Peak-to-average Ratio(dB) Limit (dB) Lowest Channel Middle Channel Highest Channel BPSK 3.75 RB1#0 2.42 2.64 2.51 13 15 RB1#11 2.15 2.31 2.52 13 QPSK 3.75 RB1#0 2.35 2.42 2.35 13 15 RB1#0 2.46 2.35 2.36 13 RB12#0 2.21 2.78 2.64 13 Result: Pass FCC §2.1049, §27.53:Occupied Bandwidth Operation Mode 99% Occupied Bandwidth (MHz) 26 dB Occupied Bandwidth (MHz) Low Channel Middle channel High Channel Low Channel Middle Channel High Channel BPSK 3.75k 1#0 0.056 0.055 0.055 0.045 0.043 0.039 QPSK 3.75k 1#0 0.065 0.064 0.064 0.045 0.045 0.045 BPSK 15k 1#0 0.120 0.122 0.120 0.109 0.107 0.106 QPSK 15k 1#0 0.120 0.117 0.117 0.120 0.119 0.119 QPSK 15k 12#0 0.184 0.184 0.185 0.243 0.252 0.255 Note: The test plots please refer to the Plots of Occupied Bandwidth China Certification ICT Co., Ltd (Do…

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