2ANMU-C51Smart Phone

SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD Family models difference declaration Product Name: Smart Phone Trade Name: OUKITEL Model Name: C51, C51 S, C51 Pro, C51 Ultra Difference declaration: All the model are the same circuit and RF module, except the model name. Regards, Signature Name: Gaolei Yan Date: 2024-08-02

(SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD) U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Baihetian Innovative Solutions FRN: 0033401605 Contact Name: Kenneth Young Street Address: 6837 Chase Rd City/Province/Zip: Dearborn, MI 48126 Telephone No: 313-395-3113 Email: [email protected] This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: Jan. 8, 2023 Signed by (Printed Name/Title): Kenneth Young/ Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD Grantee Code: 2ANMU Contact Name: Gaolei Yan Street Address: A2 2F BUILDING E NET NEW INDUSTRIAL PARK, DAFU INDUSTRIAL ZONE, GUANLAN, LONGHUA City/Province/Zip: SHENZHEN,China Telephone No: 0755-61156588 Email: [email protected] FRN: 0026810242 Applicant Signature: Date:2024. 01. 08 Signed by (Printed Name/Title): Gaolei Yan/ Manager

(SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD) (2024.08.05) 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: 2ANMU-C51) [ SHENZHEN YUNJI INTELLIGENT TECHNOLOGY 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. Sincerely, Gaolei Yan (SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD) (2024.08.05) 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: 2ANMU-C51) [SHENZHEN YUNJI INTELLIGENT TECHNOLOGY 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. Sincerely, Gaolei Yan

SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD Agent Authorization Letter (2024-08-02) 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 Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park Sanwei, Xixiang, Bao'an District, Shenzhen, Guangdong, China Alex.li [email protected] 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, Gaolei Yan / Manager Date/City: 2024-08-02 / Shenzhen Phone: 0755-61156588 Fax: 0755-61156588 E-mail: [email protected]

SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD Long Term Confidentiality Request Letter (2024-08-02) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR Product: Smart Phone Model: C51, C51 S, C51 Pro, C51 Ultra FCC ID: 2ANMU-C51 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  Schematic Diagram  Block Diagram  Part List / BOM List / PCB Layout  Operational Description  Software Security Requirements for UNII devices  Tune-up Procedure Required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Please contact me if there is any information you may need. Sincerely, Gaolei Yan / Manager Date/City: 2024-08-02 / Shenzhen Phone: 0755-61156588 Fax: 0755-61156588 E-mail: [email protected]

SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD Short Term Confidentiality Request Letter (2024-08-05) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Short Term Confidentiality Request For Product: Smart Phone Model: C51, C51 S, C51 Pro, C51 Ultra FCC ID: 2ANMU-C51 To Whom It May Concern: In accordance with sections 0.457 and 0.459 of CFR 47, < SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD >. requests short-term Confidentiality of following sections of this application for a period of 180 days after grant is issued. Test setup photos Internal photos User’s manual These documents contain detailed system and equipment descriptions and related information about the product, which < SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD > considers to be proprietary, confidential, and a custom design and otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, < SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD > feels that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Gaolei Yan / Manager Date/City: 2024-08-05 / Shenzhen Phone: 0755-61156588 Fax: 0755-61156588 E-mail: [email protected]

ATTACHMENT PHOTOGRAPHS OF EUT Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10

Page 1 of 255 Report No.: S24070104503001 FCC SAR EVALUATION REPORT In accordance with the requirements of FCC 47 CFR Part 2(2.1093) and IEEE Std 1528-2013 Product Name： Smart Phone Brand Name： OUKITEL Model Name： C51 Family Model： C51 S, C51 Pro, C51 Ultra Report No.： S24070104503001 FCC ID： 2ANMU-C51 Prepared for SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD A2 2F BUILDING ENET NEW INDUSTRIAL PARK, DAFU INDUSTRIAL ZONE, GUANLAN,LONGHUA SHENZHEN, 518XXX China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen 518126 P.R. China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Page 2 of 255 Report No.: S24070104503001 TEST RESULT CERTIFICATION Applicant’s name ................. : SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD Address .................................. : A2 2F BUILDING ENET NEW INDUSTRIAL PARK, DAFU INDUSTRIAL ZONE, GUANLAN,LONGHUA SHENZHEN, 518XXX China Manufacturer's Name .......... : SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD Address .................................. : A2 2F BUILDING ENET NEW INDUSTRIAL PARK, DAFU INDUSTRIAL ZONE, GUANLAN,LONGHUA SHENZHEN, 518XXX China Product description Product name ........................ : Smart Phone Brand Name ......................... : OUKITEL Model and/or type reference .............................. : C51 Family Model ......................... : C51 S, C51 Pro, C51 Ultra Standards ............................. : FCC 47 CFR Part 2(2.1093) IEEE Std 1528-2013 Published RF exposure KDB procedures This device described above has been tested by Shenzhen NTEK. In accordance with the measurement methods and procedures specified in IEEE Std 1528-2013 and KDB 865664 D01. Testing has shown that this device is capable of compliance with localized specific absorption rate (SAR) specified in FCC 47 CFR Part 2(2.1093). The test results in this report apply only to the tested sample of the stated device/equipment. Other similar device/equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. This report shall not be reproduced except in full, without the written approval of Shenzhen NTEK, this document may be altered or revised by Shenzhen NTEK, personal only, and shall be noted in the revision of the document. Date of Test Date (s) of performance of tests .............. : Jul. 01, 2024 ~ Jul. 11, 2024 Date of Issue ........................................... : Aug. 05, 2024 Test Result ............................................... : Pass Test Sample number ............................... S240701045001 Prepared By : Reviewed By : Approved By : Jack Li (Project Engineer) Aaron Cheng (Supervisor) Alex Li (Manager) Page 3 of 255 Report No.: S24070104503001 ※ ※ Revision History ※ ※ REV. DESCRIPTION ISSUED DATE REMARK Rev.1.0 Initial Test Report Release Aug. 05, 2024 Jack Li Page 4 of 255 Report No.: S24070104503001 TABLE OF CONTENTS 1. General Information ............................................................................................ 6 1.1. RF exposure limits .................................................................................... 6 1.2. Statement of Compliance ........................................................................ 7 1.3. EUT Description ....................................................................................... 7 1.4. Test specification(s) .................................................................................. 9 1.5. Ambient Condition ................................................................................... 9 2. SAR Measurement System ................................................................................. 10 2.1. SATIMO SAR Measurement Set-up Diagram .......................................... 10 2.2. Robot ..................................................................................................... 11 2.3. E-Field Probe .......................................................................................... 12 2.3.1. E-Field Probe Calibration ................................................................. 12 2.4. SAM phantoms ...................................................................................... 13 2.4.1. Technical Data .................................................................................. 14 2.5. Device Holder ........................................................................................ 15 2.6. Test Equipment List ................................................................................ 16 3. SAR Measurement Procedures .......................................................................... 19 3.1. Power Reference ................................................................................... 19 3.2. Area scan & Zoom scan .......................................................................... 19 3.3. Description of interpolation/extrapolation scheme .............................. 21 3.4. Volumetric Scan ..................................................................................... 21 3.5. Power Drift ............................................................................................ 21 4. System Verification Procedure .......................................................................... 22 4.1. Tissue Verification ................................................................................. 22 4.1.1. Tissue Dielectric Parameter Check Results ...................................... 23 4.2. System Verification Procedure .............................................................. 24 4.2.1. System Verification Results .............................................................. 25 5. SAR Measurement variability and uncertainty .................................................. 26 5.1. SAR measurement variability ................................................................. …

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Page 161 of 255 Report No.: S24070104503001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.1017 0.0712 0.0461 0.0322 0.0253 0.0193 0.0197 3D screen shot Hot spot position Page 162 of 255 Report No.: S24070104503001 MEASUREMENT 28 Date of measurement: 6/7/2024 A. Experimental conditions. Area Scan dx=12mm dy=12mm, h= 5.00 mm ZoomScan 7x7x7,dx=5mm dy=5mm dz=5mm Phantom Validation plane Device Position Body Band LTE band 7 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 2.65 B. SAR Measurement Results Frequency (MHz) 2535.000000 Relative permittivity (real part) 39.128544 Relative permittivity (imaginary part) 13.421532 Conductivity (S/m) 1.890199 Variation (%) 0.100000 SURFACE SAR VOLUME SAR Maximum location: X=-5.00, Y=12.00 SAR Peak: 0.38 W/kg SAR 10g (W/Kg) 0.114903 SAR 1g (W/Kg) 0.218710 Page 163 of 255 Report No.: S24070104503001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.3777 0.2294 0.1190 0.0681 0.0407 0.0271 0.0224 3D screen shot Hot spot position Page 164 of 255 Report No.: S24070104503001 MEASUREMENT 29 Date of measurement: 1/7/2024 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Left head Device Position Cheek Band LTE band 12 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 2.37 B. SAR Measurement Results Frequency (MHz) 707.500000 Relative permittivity (real part) 41.412174 Relative permittivity (imaginary part) 21.810295 Conductivity (S/m) 0.857266 Variation (%) -1.910000 SURFACE SAR VOLUME SAR Maximum location: X=-52.00, Y=-32.00 SAR Peak: 0.16 W/kg SAR 10g (W/Kg) 0.108872 SAR 1g (W/Kg) 0.135159 Page 165 of 255 Report No.: S24070104503001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.1708 0.1366 0.1104 0.1025 0.0785 0.0718 0.0526 3D screen shot Hot spot position Page 166 of 255 Report No.: S24070104503001 MEASUREMENT 30 Date of measurement: 1/7/2024 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Validation plane Device Position Body Band LTE band 12 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 2.37 B. SAR Measurement Results Frequency (MHz) 707.500000 Relative permittivity (real part) 41.412174 Relative permittivity (imaginary part) 21.810295 Conductivity (S/m) 0.857266 Variation (%) -0.830000 SURFACE SAR VOLUME SAR Maximum location: X=6.00, Y=2.00 SAR Peak: 0.29 W/kg SAR 10g (W/Kg) 0.191524 SAR 1g (W/Kg) 0.239893 Page 167 of 255 Report No.: S24070104503001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.2859 0.2456 0.2039 0.1703 0.1415 0.1129 0.0933 3D screen shot Hot spot position Page 168 of 255 Report No.: S24070104503001 MEASUREMENT 31 Date of measurement: 1/7/2024 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Left head Device Position Cheek Band LTE band 17 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 2.37 B. SAR Measurement Results Frequency (MHz) 710.000000 Relative permittivity (real part) 41.396824 Relative permittivity (imaginary part) 21.750746 Conductivity (S/m) 0.857946 Variation (%) -3.530000 SURFACE SAR VOLUME SAR Maximum location: X=-53.00, Y=-28.00 SAR Peak: 0.17 W/kg SAR 10g (W/Kg) 0.118160 SAR 1g (W/Kg) 0.145261 Page 169 of 255 Report No.: S24070104503001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.1601 0.1505 0.1320 0.1128 0.0944 0.0775 0.0661 3D screen shot Hot spot position Page 170 of 255 Report No.: S24070104503001 MEASUREMENT 32 Date of measurement: 1/7/2024 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Validation plane Device Position Body Band LTE band 17 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 2.37 B. SAR Measurement Results Frequency (MHz) 710.000000 Relative permittivity (real part) 41.396824 Relative permittivity (imaginary part) 21.750746 Conductivity (S/m) 0.857946 Variation (%) -1.620000 SURFACE SAR VOLUME SAR Maximum location: X=1.00, Y=32.00 SAR Peak: 0.30 W/kg SAR 10g (W/Kg) 0.200427 SAR 1g (W/Kg) 0.250349 Page 171 of 255 Report No.: S24070104503001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.2872 0.2564 0.2161 0.1785 0.1457 0.1191 0.0971 3D screen shot Hot spot position Page 172 of 255 Report No.: S24070104503001 MEASUREMENT 33 Date of measurement: 8/7/2024 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Left head Device Position Cheek Band LTE band 25 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 2.63 B. SAR Measurement Results Frequency (MHz) 1882.500000 Relative permittivity (real part) 38.956966 Relative permittivity (imaginary part) 13.782942 Conductivity (S/m) 1.441083 Variation (%) -0.930000 SURFACE SAR VOLUME SAR Maximum location: X=-35.00, Y=-6.00 SAR Peak: 0.63 W/kg SAR 10g (W/Kg) 0.305835 SAR 1g (W/Kg) 0.467529 Page 173 of 255 Report No.: S24070104503001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.6214 0.4761 0.3386 0.2479 0.1751 0.1244 0.0910 3D screen shot Hot spot position Page 174 of 255 Report No.: S24070104503001 MEASUREMENT 34 Date of measurement: 8/7/2024 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Validation plane Device Position Body Band LTE band 25 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 2.63 B. SAR Measurement Results Frequency (MHz) 1882.500000 Relative permittivity (real part) 38.956966 Relative permittivity (imaginary part) 13.782942 Conductivity (S/m) 1.441083 Variation (%) -0.500000 SURFACE SAR VOLUME SAR Maximum location: X=7.00, Y=-42.00 SAR Peak: 1.23 W/kg SAR 10g (W/Kg) 0.403608 SAR 1g (W/Kg) 0.760239 Page 175 of 255 Report No.: S24070104503001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 1.1667 0.7637 0.4440 0.2630 0.1601 0.0960 0.0592 3D screen shot Hot spot position Page 176 of 255 Report No.: S24070104503001 MEASUREMENT 35 Date of measurement: 9/7/2024 A. Experim…

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ShenZhen Huaxinwei communication technology Co.,Ltd . Antenna test report The customer name TianRuiXiang Project NameS6807-06F NO.project Detailed above 1spectrum GSM850/900/1800/1900+WCDMA-B1/2/4/5/8+LTE-B1/2/3/4/5/7/8/12/17/19/20/25/26/28/66+ GPS/WIFI/BT 2Project typeThe mobile phone 3 Antenna space area 4 Feed point type 5 The sensitivity 6 Type of antenna 7 The length of the PCB board 8noteDebugging prototype RF Zhang Jun 13430515055 [email protected] Test system and test equipment System Brand: MVG(SATIMO) measurement features: gain • pattern beamwidth cross polarization resolution sidelobe level 3D cavity reflectance at any polarization cavity reflectance (line or arc) antenna efficiency TRP, TIS, EIRP and EIS. Frequency band: StarLab 6 GHZ -650 MHZ to 6 GHZ Link antenna The object under test Test Equipment 50Ω Coaxial Cable 90mm Length Copper Pipe 5071B Network Analyzer Test Fixture Passive VSWR/RL Test Steps: Gain/Efficiency Test Steps: Open Computer Gain/Efficiency Test Software Open Turntable Switch And Reset To zero Open 5071B Test Equipment Put the Tested object into the microwave darkroom to connect OTA Software automatic testing Output Data Active TRP/TIS Test Steps： Open Computer OTA Test Software Open Turntable Switch And Reset To zero Open 8960/CMW500 Test Equipment Test mobile phone insert test SIM card and Put into the microwave darkroom to connect OTA Software automatic testing Output Data Te s t Steps Efficient ( 2G+3G+4G+2.4G-WiFi /BT) PEAK GAIN 2G:Frequency rangeEffi %Gaim dBi GSM850824~894Mhz21.52-2.63 GSM900880~960Mhz20.37-2.18 DCS18001710~1880Mhz28.350.63 PCS19001850~1990Mhz30.620.81 3G: W11920~2170Mhz37.450.91 W21850~1990Mhz30.810.81 W41710~2155Mhz30.570.92 W5824~894Mhz21.52-2.63 W8880~960Mhz20.37-2.18 4G: LTE-B11920~2170Mhz37.450.91 LTE-B21850~1990Mhz30.810.81 LTE-B31710~1880Mhz28.620.63 LTE-B41710~2155Mhz30.570.92 LTE-B5824~894Mhz21.52-2.63 LTE-B72500~2690Mhz28.011.12 LTE-B8880~960Mhz20.37-2.18 LTE-B12698~746Mhz19.03-1.42 LTE-B17704~746Mhz19.03-1.42 LTE-B19830~890Mhz21.52-2.63 LTE-B20791~845Mhz21.52-2.63 LTE-B251855~19900Mhz30.620.81 LTE-B26819~889Mhz21.52-2.63 LTE-B28708~798Mhz19.03-1.42 LTE-B661710~2170Mhz30.620.92 5G-WIFI 5150~5250Mhz37.811.81 5725~5850Mhz37.161.91 2.4G-WIFI2400~2500Mhz42.701.87 BT2400~2500Mhz42.701.87 GPS1575Mhz38.731.19 Antenna Effi Gain Efficient ( 698-746MHz ） Efficient ( 791-894MHz） Efficient ( 880-960MHz ） Efficient (1710-1880MHz ） Efficient ( 1710-1990MHz ） Efficient ( 1920-2170MHz ) Efficient ( 2500-2690MHz ) Efficient ( 2.4G-WIFI/BT 2400-2500MHz ) Efficient ( 5G-WIFI 5000-5250MHz ) Efficient ( 5G-WIFI 5725-5850MHz ) Efficient ( GPS 1575.42MHz ) Antenna Dimensions

Report No.: S24070104502001 Version.1.3 Page 1 of 95 RADIO TEST REPORT FCC ID: 2ANMU-C51 Product: Smart Phone Trade Mark: OUKITEL Model No.: C51 Family Model: C51 S, C51 Pro, C51 Ultra Report No.: S24070104502001 Issue Date: Jul. 29, 2024 Prepared for SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD A2 2F BUILDING ENET NEW INDUSTRIAL PARK, DAFU INDUSTRIAL ZONE, GUANLAN,LONGHUA SHENZHEN, 518XXX China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen 518126 P.R. China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Report No.: S24070104502001 Version.1.3 Page 2 of 95 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION ...................................................................................................................... 3 2 SUMMARY OF TEST RESULTS ......................................................................................................................... 4 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 5 3.1 FACILITIES..................................................................................................................................................... 5 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 5 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 5 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 6 5 DESCRIPTION OF TEST MODES ..................................................................................................................... 8 6 SETUP OF EQUIPMENT UNDER TEST ........................................................................................................... 9 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ....................................................................... 9 6.2 SUPPORT EQUIPMENT............................................................................................................................... 10 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 11 7 TEST REQUIREMENTS .................................................................................................................................... 13 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 13 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 16 7.3 NUMBER OF HOPPING CHANNEL ........................................................................................................... 25 7.4 HOPPING CHANNEL SEPARATION MEASUREMENT ........................................................................... 26 7.5 AVERAGE TIME OF OCCUPANCY (DWELL TIME) ................................................................................ 27 7.6 20DB BANDWIDTH TEST .......................................................................................................................... 29 7.7 PEAK OUTPUT POWER .............................................................................................................................. 30 7.8 CONDUCTED BAND EDGE MEASUREMENT......................................................................................... 31 7.9 SPURIOUS RF CONDUCTED EMISSION .................................................................................................. 32 7.10 ANTENNA APPLICATION .......................................................................................................................... 33 7.11 FREQUENCY HOPPING SYSTEM (FHSS) EQUIPMENT REQUIREMENTS ......................................... 34 8 TEST RESULTS ................................................................................................................................................... 35 8.1 DWELL TIME ................................................................................................................................................... 35 8.2 MAXIMUM CONDUCTED OUTPUT POWER ....................................................................................................... 45 8.3 -20DB BANDWIDTH ........................................................................................................................................ 51 8.4 OCCUPIED CHANNEL BANDWIDTH .................................................................................................................. 57 8.5 CARRIER FREQUENCIES SEPARATION .............................................................................................................. 63 8.6 NUMBER OF HOPPING CHANNEL ..................................................................................................................... 69 8.7 BAND EDGE .................................................................................................................................................... 72 8.8 BAND EDGE(HOPPING) ................................................................................................................................... 79 8.9 CONDUCTED RF SPURIOUS EMISSION ............................................................................................................. 86 Report No.: S24070104502001 Version.1.3 Page 3 of 95 1 TEST RESULT CERTIFICATION Applicant’s name .........................: SHENZHEN YUNJI INTELLIGENT TECHNOLOGY CO.,LTD Address ........................................: A2 2F BUILDING ENET NEW INDUSTRIAL PARK, DAFU INDUSTRIAL ZONE, GUANLAN,LONGHUA SHENZHEN, 518XXX China Manufacturer's Name …

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Report No.: S24070104502001 Version.1.3 Page 61 of 95 OBW NVNT 3-DH5 2402MHz Ant1 OBW NVNT 3-DH5 2441MHz Ant1 Report No.: S24070104502001 Version.1.3 Page 62 of 95 OBW NVNT 3-DH5 2480MHz Ant1 Report No.: S24070104502001 Version.1.3 Page 63 of 95 8.5 Carrier Frequencies Separation Condition Mode Antenna Hopping Freq1 (MHz) Hopping Freq2 (MHz) HFS (MHz) Limit (MHz) Verdict NVNT 1-DH5 Ant1 2401.834 2403.028 1.194 0.637 Pass NVNT 1-DH5 Ant1 2440.836 2441.836 1 0.589 Pass NVNT 1-DH5 Ant1 2478.834 2479.836 1.002 0.637 Pass NVNT 2-DH5 Ant1 2402.012 2403.013 1.001 0.855 Pass NVNT 2-DH5 Ant1 2440.812 2442.118 1.306 0.841 Pass NVNT 2-DH5 Ant1 2479.011 2480.013 1.002 0.853 Pass NVNT 3-DH5 Ant1 2401.977 2402.978 1.001 0.867 Pass NVNT 3-DH5 Ant1 2441.068 2442.126 1.058 0.86 Pass NVNT 3-DH5 Ant1 2478.976 2479.978 1.002 0.863 Pass Report No.: S24070104502001 Version.1.3 Page 64 of 95 Test Graphs CFS NVNT 1-DH5 2402MHz Ant1 CFS NVNT 1-DH5 2441MHz Ant1 Report No.: S24070104502001 Version.1.3 Page 65 of 95 CFS NVNT 1-DH5 2480MHz Ant1 CFS NVNT 2-DH5 2402MHz Ant1 Report No.: S24070104502001 Version.1.3 Page 66 of 95 CFS NVNT 2-DH5 2441MHz Ant1 CFS NVNT 2-DH5 2480MHz Ant1 Report No.: S24070104502001 Version.1.3 Page 67 of 95 CFS NVNT 3-DH5 2402MHz Ant1 CFS NVNT 3-DH5 2441MH…

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