2A9M6-A2PROMagnetic Selfie Screen

FCC Warning This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Page1of35ReportNo.:AiTDG-251120007W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:ShenzhenGuangsuShidaiTechnologyCo.,Ltd. Applicantadd.: JiHuaJieDaoGanLierLuJuYinsci-techindustrialparkb2,Longgang District,Shenzhen,China Manufacturer:ShenzhenGuangsuShidaiTechnologyCo.,Ltd. Manufactureradd.: JiHuaJieDaoGanLierLuJuYinsci-techindustrialparkb2,Longgang District,Shenzhen,China ProductInformation: ProductName:MagneticSelfieScreen ModelNo:A2Pro,A3Pro,A5Pro,A6Pro,A7Pro,A8Pro,A9Pro,A10Pro BrandName:N/A FCCID:2A9M6-A2PRO Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:Nov.20,2025DateofTest:Nov.20,2025~Dec.11,2025 DateofIssue:Dec.12,2025TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthe testresultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements. Anditisapplicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: EmiyaLinSimbaHuang Page2of35ReportNo.:AiTDG-251120007W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 1Contents Page COVERPAGE 1CONTENTS...........................................................................................................................................................................2 2TESTSUMMARY.................................................................................................................................................................4 2.1StatementoftheMeasurementUncertainty.....................................................................................4 2.2MeasurementUncertainty.................................................................................................................4 3TESTFACILITY...................................................................................................................................................................5 3.1Deviationfromstandard....................................................................................................................5 3.2Abnormalitiesfromstandardconditions...........................................................................................5 3.3TestLocation.....................................................................................................................................5 4GENERALINFORMATION................................................................................................................................................6 4.1Testfrequencies................................................................................................................................7 4.2EUTPeripheralList...........................................................................................................................7 4.3TestPeripheralList............................................................................................................................7 4.4TESTMETHODOLOGY....................................................................................................................8 4.4.1EUTConfiguration.......................................................................................................................8 4.4.2EUTExercise...............................................................................................................................8 4.4.3GeneralTestProcedures.............................................................................................................8 4.5DescriptionofTestModes.................................................................................................................9 5EQUIPMENTUSEDDURINGTEST...............................................................................................................................10 6TESTRESULTSANDMEASUREMENTDATA..........................................................................................................10 6.1Antennarequirement.......................................................................................................................12 6.2OnTimeandDutyCycle.................................................................................................................13 6.3MaximumConductedOutputPowerMeasurement.......................................................................14 6.46dBSpectrumBandwidthMeasurement.......................................................................................15 6.5PowerSpectralDensity...................................................................................................................16 6.6ConductedSpuriousEmissionsandBandEdgesTest..................................................................17 6.7Restrict-bandBand-edgeMeasurements.......................................................................................18 6.8RadiatedEmissionsMeasurement.................................................................................................21 6.9ConductedEmissions.....................................................................................................................32 7TESTSETUPPHOTOGRAPHSOFEUT......................................................................................................................35 8EXTERNALPHOTOGRAPHSOFEUT.........................................................................................................................35 9INTERNALPHOTOGRAPHSOFEUT…

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Page 1 of 2 FCC ID:2A9M6-A2PRO Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Test Setup Photo Radiated Emission Page 2 of 2 FCC ID:2A9M6-A2PRO Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Conducted Emission RF Conduction ------End------

Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 36 of 56 b 2437MHz Ant1 Ref b 2437MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 37 of 56 b 2462MHz Ant1 Ref b 2462MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 38 of 56 g 2412MHz Ant1 Ref g 2412MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 39 of 56 g 2437MHz Ant1 Ref g 2437MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 40 of 56 g 2462MHz Ant1 Ref g 2462MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 41 of 56 n20 2412MHz Ant1 Ref n20 2412MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 42 of 56 n20 2437MHz Ant1 Ref n20 2437MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 43 of 56 n20 2462MHz Ant1 Ref n20 2462MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 44 of 56 n40 2422MHz Ant1 Ref n40 2422MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 45 of 56 n40 2437MHz Ant1 Ref n40 2437MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 46 of 56 n40 2452MHz Ant1 Ref n40 2452MHz Ant1 Emission Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 47 of 56 7 Restrict Band 7.1 Test Result Mod e Frequency (MHz) Antenn a Spur Freq (MHz) Power (dBm) Gain (dBi) Duty Factor E (dBuV/m) Detecto r Limit (dBuV/m) Verdic t b2412Ant12310-48.622-48.64Peak74Pass b2412Ant12310-56.042041.22Average54Pass b2412Ant12339.952-46.312-50.95Peak74Pass b2412Ant12340.654-53.872043.39Average54Pass b2412Ant12390-49.262-48Peak74Pass b2412Ant12390-55.682041.58Average54Pass b2462Ant12483.5-50.252-47.01Peak74Pass b2462Ant12483.5-55.522041.74Average54Pass b2462Ant12491.52-45.522-51.74Peak74Pass b2462Ant12487.492-54.762042.5Average54Pass b2462Ant12500-47.812-49.45Peak74Pass b2462Ant12500-56.482040.78Average54Pass g2412Ant12310-49.982-47.28Peak74Pass g2412Ant12310-55.1320.6242.75Average54Pass g2412Ant12337.729-45.762-51.5Peak74Pass g2412Ant12340.654-53.6520.6244.23Average54Pass g2412Ant12390-46.912-48Peak74Pass g2412Ant12390-55.9420.6241.94Average54Pass g2462Ant12483.5-48.622-48.64Peak74Pass g2462Ant12483.5-55.6620.6142.21Average54Pass g2462Ant12491.52-47.52-49.76Peak74Pass g2462Ant12485.425-55.0620.6142.81Average54Pass g2462Ant12500-48.762-49.45Peak74Pass g2462Ant12500-55.5320.6142.34Average54Pass n202412Ant12310-49.782-47.48Peak74Pass n202412Ant12310-56.0120.5841.83Average54Pass n202412Ant12341.941-44.122-53.14Peak74Pass n202412Ant12337.378-53.9920.5843.85Average54Pass n202412Ant12390-48.672-48.59Peak74Pass n202412Ant12390-56.6320.5841.21Average54Pass n202462Ant12483.5-49.212-48.05Peak74Pass n202462Ant12483.5-55.1420.5842.7Average54Pass n202462Ant12490.778-46.652-50.61Peak74Pass n202462Ant12487.174-54.7420.5843.1Average54Pass Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 48 of 56 n202462Ant12500-48.582-48.68Peak74Pass n202462Ant12500-55.6820.5842.16Average54Pass n402422Ant12310-47.752-49.51Peak74Pass n402422Ant12310-55.7620.5642.06Average54Pass n402422Ant12341.808-44.442-52.82Peak74Pass n402422Ant12340.956-53.2720.5644.55Average54Pass n402422Ant12390-49.812-47.45Peak74Pass n402422Ant12390-56.3220.5641.5Average54Pass n402452Ant12483.5-49.692-47.57Peak74Pass n402452Ant12483.5-55.4220.5642.4Average54Pass n402452Ant12497.894-46.852-50.41Peak74Pass n402452Ant12498.752-55.120.5642.72Average54Pass n402452Ant12500-49.542-47.72Peak74Pass n402452Ant12500-55.320.5642.52Average54Pass Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 49 of 56 7.2 Test Graphs Test Graphs b 2412MHz Ant1 Peak b 2412MHz Ant1 Average Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 50 of 56 b 2462MHz Ant1 Peak b 2462MHz Ant1 Average Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 51 of 56 g 2412MHz Ant1 Peak g 2412MHz Ant1 Average Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 52 of 56 g 2462MHz Ant1 Peak g 2462MHz Ant1 Average Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 53 of 56 n20 2412MHz Ant1 Peak n20 2412MHz Ant1Average Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 54 of 56 n20 2462MHz Ant1 Peak n20 2462MHz Ant1Average Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 55 of 56 n40 2422MHz Ant1 Peak n40 2422MHz Ant1Average Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 56 of 56 n40 2452MHz Ant1 Peak n40 2452MHz Ant1Average ---The End---

Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 1 of 56 Appendix C RF Test Data for 2.4GWIFI (Conducted Measurement) Product Name: Magnetic Selfie Screen Trade Mark: N/A Test Model: A2 Pro Environmental Conditions Temperature: 24.6  C Relative Humidity:52.4% ATM Pressure:100.0 kPa Test Engineer:Emiya lin Supervised by:Simba Huang Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 2 of 56 Contents Page COVER PAGE 1 Duty Cycle........................................................................................................................................................................................ 3 1.1 Test Result............................................................................................................................................................................3 1.2 Test Graphs...........................................................................................................................................................................4 2 Maximum Conducted Output Power............................................................................................................................................... 10 2.1 Test Result..........................................................................................................................................................................10 3 -6dB Bandwidth...............................................................................................................................................................................11 3.1 Test Result.......................................................................................................................................................................... 11 3.2 Test Graphs.........................................................................................................................................................................12 4 Maximum Power Spectral Density Level.........................................................................................................................................18 4.1 Test Result..........................................................................................................................................................................18 4.2 Test Graphs.........................................................................................................................................................................19 5 Band Edge......................................................................................................................................................................................25 5.1 Test Result..........................................................................................................................................................................25 5.2 Test Graphs.........................................................................................................................................................................26 6 Conducted RF Spurious Emission.................................................................................................................................................. 34 6.1 Test Result..........................................................................................................................................................................34 6.2 Test Graphs.........................................................................................................................................................................35 7 Restrict Band.................................................................................................................................................................................. 47 7.1 Test Result..........................................................................................................................................................................47 7.2 Test Graphs.........................................................................................................................................................................49 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 3 of 56 1 Duty Cycle 1.1 Test Result ModeFrequency (MHz)AntennaDuty Cycle (%)Correction Factor 1/T (kHz) b2412Ant199.590.020.12 b2437Ant199.630.020.12 b2462Ant199.590.020.12 g2412Ant186.720.624.76 g2437Ant186.840.614.76 g2462Ant186.90.614.55 n202412Ant187.470.584.35 n202437Ant187.50.584.35 n202462Ant187.50.584.35 n402422Ant187.950.564.17 n402437Ant187.990.564 n402452Ant187.970.564 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 4 of 56 1.2 Test Graphs Test Graphs b 2412MHz Ant1 b 2437MHz Ant1 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 5 of 56 Test Graphs b 2462MHz Ant1 g 2412MHz Ant1 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 6 of 56 Test Graphs g 2437MHz Ant1 g 2462MHz Ant1 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 7 of 56 Test Graphs n20 2412MHz Ant1 n20 2437MHz Ant1 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 8 of 56 Test Graphs n20 2462MHz Ant1 n40 2422MHz Ant1 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 9 of 56 Test Graphs n40 2437MHz Ant1 n40 2452MHz Ant1 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W2 FCC ID: 2A9M6-A2PRO Page 10 of 56 2 Maximum Conducted Output Power 2.1 Test Result ModeFrequency (MHz)AntennaConducted Power (dBm)Limit (dBm)Verdict b2412Ant17.4930Pass b2437Ant17.3630Pass b2462Ant17.1630Pass g2412Ant16.6530Pass g2437Ant16.2930Pass g2462Ant16.4130Pass n202412Ant16.8330Pass n202437Ant16.6130P…

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Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 1 of 35 Appendix B RF Test Data for BT (BLE) (Conducted Measurement) Product Name: Magnetic Selfie Screen Trade Mark: N/A Test Model: A2 Pro Environmental Conditions Temperature: 24.6  C Relative Humidity:52.4% ATM Pressure:100.0 kPa Test Engineer:Emiya lin Supervised by:Simba Huang Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 2 of 35 Contents Page COVER PAGE 1 Duty Cycle........................................................................................................................................................................................ 3 1.1 Test Result............................................................................................................................................................................3 1.2 Test Graphs...........................................................................................................................................................................4 2 Maximum Conducted Output Power................................................................................................................................................. 7 2.1 Test Result............................................................................................................................................................................7 2.2 Test Graphs...........................................................................................................................................................................8 3 -6dB Bandwidth...............................................................................................................................................................................11 3.1 Test Result.......................................................................................................................................................................... 11 3.2 Test Graphs.........................................................................................................................................................................12 4 Maximum Power Spectral Density Level.........................................................................................................................................15 4.1 Test Result..........................................................................................................................................................................15 4.2 Test Graphs.........................................................................................................................................................................16 5 Band Edge......................................................................................................................................................................................19 5.1 Test Result..........................................................................................................................................................................19 5.2 Test Graphs.........................................................................................................................................................................20 6 Conducted RF Spurious Emission.................................................................................................................................................. 24 6.1 Test Result..........................................................................................................................................................................24 6.2 Test Graphs.........................................................................................................................................................................25 7 Restrict Band.................................................................................................................................................................................. 31 7.1 Test Result..........................................................................................................................................................................31 7.2 Test Graphs.........................................................................................................................................................................32 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 3 of 35 1 Duty Cycle 1.1 Test Result ModeFrequency (MHz)Duty Cycle (%)Correction Factor 1/T (kHz) BLE 1M240285.60.680.47 BLE 1M244085.60.680.47 BLE 1M248085.60.680.47 BLE 2M240243.613.60.93 BLE 2M244043.213.640.93 BLE 2M248043.213.640.93 Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 4 of 35 1.2 Test Graphs Test Graphs BLE 1M 2402MHz BLE 1M 2440MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 5 of 35 BLE 1M 2480MHz BLE 2M 2402MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 6 of 35 BLE 2M 2440MHz BLE 2M 2480MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 7 of 35 2 Maximum Conducted Output Power 2.1 Test Result ModeFrequency (MHz)Conducted Power (dBm) Limit (dBm)Verdict BLE 1M2402-0.4330Pass BLE 1M24400.2330Pass BLE 1M24800.530Pass BLE 2M2402-0.330Pass BLE 2M24400.3730Pass BLE 2M24800.6130Pass Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 8 of 35 2.2 Test Graphs Test Graphs BLE 1M 2402MHz BLE 1M 2440MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 9 of 35 BLE 1M 2480MHz BLE 2M 2402MHz Dongguan Yaxu(AiT) Technology Limited Report No.:AiTDG-251120007W1 FCC ID: 2A9M6-A2PRO Page 10 of 35 BLE 2M 2440MHz BLE 2M 2480MHz Dongguan Yaxu(AiT) Technology Limited Re…

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深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 1 QP02-08A Antenna Specification A2PRO Antenna Material Name： Sample Color： Black FPC Sample Type： Customer Model： Speedlight A2PRO Manufacturer:SOUND AROUND INC. Manufacturer add.:1600 63rd Street Brooklyn NY 11204 United States Of America 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 2 1.Frequency band FrequencyFrequency band WIFI 2.4GHz-2.5GHz 2.Product illustration Prototype drawing 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 3 3.Electrical performance 3.1Test Method Description and Data Device NamePurpose Vector Network Analyzer S11/Impedance/ Passive Test Agilent 8960 SP6010 R&S CMU200 Testing of mobile communication devices for phones including GSM, GPRS, EDGE, CDMA2000, 1xEV-DO, TD-SCDMA, WCDMA, and HSDPA R&S CMW500 MT8820C Testing of mobile communication devices including TD-SCDMA, WCDMA, HSDPA, LTE, WIFI and GPS Agilent E4438C Test active GPS MVG Chamber Passive Test / OTA active Test / Efficiency/Gain 3.2 Passive Test Report Test equipment: Network analyzer Test method: Connect a 50-ohm CABLE cable from the instrument's test port. After calibration with a calibration piece, connect the SMA connector of the mobile phone fixture. Record the data such as the return loss or standing wave ratio corresponding to the relevant frequency points. 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 4 3.3 Active Test Report TRP/TIS Test equipment: Comprehensive tester, network analyzer, full-wave far-field ETS, French MVG SG24LT (Satmio) near-field 3D microwave chamber, high- precision positioning system and its controller, and computer test environment with automatic test program: Temperature 22°C 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 5 ±3°C, humidity 60% ±15% Test method: Using the test method and calculation of the EST or Satimo 24LT system software TRP. During the TRP test, the DUT (Device Under Test) is in the maximum transmission power state. Select three channels (high, medium, and low) for testing. The position of the DUT is controlled by the positioning system. Measure the effective radiation power (EIRP) at each point in the three-dimensional space with a step size of 15 degrees. Calculate the average value on the spherical surface by integration. The calculation formula is as follows: During the TIS test, the DUT is in the maximum transmission power state. Three channels (high, medium, and low) are selected for the test. By controlling the position of the DUT and taking a 30-degree step size, the receiving sensitivity at each point in the three-dimensional space is measured. The average value on the spherical surface is calculated through integration. The calculation formula is as follows: 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 6 3.4 Active OTA TRP/TIS data Note: There may be some variations in the OTA data due to differences in machine assembly. Frequency (MHz)Gain (dBi) 2400.00 -2.37 2410.00 -2.66 2420.00 -2.79 2430.00 -2.79 2440.00 -2.48 2450.00 -1.26 2460.00 -2.75 2470.00 -2.82 2480.00 -2.04 2490.00 -2.22 2500.00 -1.56 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 7 4.3D test image 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 8 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 9 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 10 5.Matching Circuit Description 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 11 6.Antenna mounting 7. Structural drawing 深圳市信必诺通讯科技有限公司 Shenzhen Xinbinuo Communication Technology Co., Ltd 12

深圳市麒鑫通达科技有限公司 SHENZHEN QXTD Technology Co., Ltd样 品 承 认 书 Part Approval Sheet Version： V1.0 Customer ： Shenzhen Haikangsheng Intelligent Co., Ltd Project： 2.4GHz antenna Part Name ： Conducting wire Part Color：Black Part Number： Sample Delivery Date ： April 3, 2021 Sample Quantity：5PCS Sample type ： Built-in Reason for Sample Delivery：○New tooling ○New supplier ○Tooling change ○Engineering change ○Other: Remark ： West side, 3rd floor, Building 1, Shayi North Yongfa Science Park, Xinhe Road, Gonghe Community, Shajing Street, Baoan District, Shenzhen 深圳市麒鑫通达科技有限公司 SHENZHEN QXTD Technology Co., Ltd样 品 承 认 书 Page 1 Confidential documents 机密文件 1.Graphic for reference Figure 2 0.8*35mm 2. OTA(Free Space) ChannelTRP（dBm）TIS（dBm） 06.3-91.1 396.5-91.3 786.6-91.2 NameANTENNA ModelLT13 Frequency 2.4~2.5GHz Input impedance50Ω Allowed power5mW Working temp.-25 ~ +65°C Storage temp. -40 ~ +85°C Weight0.25g Antenna gain 0dBi 深圳市麒鑫通达科技有限公司 SHENZHENQXTDTechnologyCo.,Ltd样品承 认 书 Page 2 Confidentialdocuments 机密文件 3.RF Test Test termEnvironmentMax pairingdistanceBT Call distance RF Office16-18m10-12m 深圳市…

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