2BCNK-812stylus

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.

Page 1 of 4 FCC ID:2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. External Photos Photo 1 Photo 2 Page 2 of 4 FCC ID:2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Page 3 of 4 FCC ID:2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 Page 4 of 4 FCC ID:2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 7 ------End------

Label FCCID:2BCNK-812

Page 1 of 5 FCC ID: 2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Internal Photos Photo 1 Photo 2 Page 2 of 5 FCC ID: 2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Page 3 of 5 FCC ID: 2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 Page 4 of 5 FCC ID: 2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 7 Photo 8 Antenna Page 5 of 5 FCC ID: 2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 9 Photo 10 ------End------

RF Exposure evaluation FCC ID: 2BCNK-812 Applicable Standard According to §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 guidelines. According to §1.1310 and §2.1093 RF exposure requirement KDB447498 v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 1.1. Requirement According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: “Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions.22 The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section 4.1). To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops & tablets etc.23 “ [(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)] · [√f (GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: •f (GHz) is the RF channel transmit frequency in GHz •Power and distance are rounded to the nearest mW and mm before calculation •The result is rounded to one decimal place for comparison •3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 m m, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion. 1.2. Manufacturing tolerance BR_EDR Frequency (MHz) GFSK 2402 2440 2480 Target (dBm) 3 3 3 Tolerance ± (dB) 1.0 1.0 1.0 Frequency (MHz) π/4-DQPSK 2402 2440 2480 Target (dBm) 3 3 3 Tolerance ± (dB) 1.0 1.0 1.0 Frequency (MHz) 8-DPSK 2402 2440 2480 Target (dBm) 3 3 3 Tolerance ± (dB) 1.0 1.0 1.0 Page 2 of 2 2. Evaluation Result Evaluation Results Band/Mode f (GHz) Antenna Distance (mm) Max.RF output power (including tune-up tolerance) SAR Test Exclusion Threshold SAR Test Exclusion dBm mW BR_EDR 2.5 5 4.0 2.51 0.794<3.0 Yes 3. Conclusion The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06 .....................End of Report.........................

Page1of36ReportNo.:AIT23082405FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:ShenzhenSouthChinaYingcaiTechnologyCO.，LTD Applicantadd.: Room102-301,QueweiBuilding,Building42,FuminIndustrialZone,Pinghu Community,PinghuStreet,LonggangDistrict,Shenzhen,Guangdong,China Manufacturer:ShenzhenSouthChinaYingcaiTechnologyCO.，LTD Manufactureradd.: Room102-301,QueweiBuilding,Building42,FuminIndustrialZone,Pinghu Community,PinghuStreet,LonggangDistrict,Shenzhen,Guangdong,China ProductInformation: ProductName:stylus ModelNo.: 812,202-1,202-3,202K-1,202K-3,206-1,206-3,206K-1,206K-3,209-1, 209-3,209K-1,209K-3,503-1,503-3,503K-1,503K-3,812-CX,K11-1,K11-3, K11K-1,K11K-3,718-1,718-3,521K-1,521K-3 BrandName:N/A FCCID: 2BCNK-812 Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:Aug.24,2023DateofTest:Aug.24,2023~Aug.29,2023 DateofIssue:Aug.30,2023TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthe testresultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements. Anditisapplicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: SimbaHuangSeal.chen Page2of36ReportNo.:AIT23082405FW1 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.......................................................................................................................8 4.3TestPeripheralList.......................................................................................................................8 4.4TESTMETHODOLOGY...............................................................................................................9 4.5DescriptionofTestModes..........................................................................................................10 5EQUIPMENTUSEDDURINGTEST.........................................................................................................................11 6TESTRESULTSANDMEASUREMENTDATA.....................................................................................................11 6.1Antennarequirement..................................................................................................................12 6.2PeakPowerMeasurement.........................................................................................................13 6.3FrequencySeparationand20dBBandwidth............................................................................15 6.4NumberofHoppingFrequency..................................................................................................17 6.5TimeofOccupancy(DwellTime)...............................................................................................18 6.6ConductedSpuriousEmissionsandBandEdgesTest.............................................................20 6.7Restrict-bandBand-edgeMeasurements..................................................................................22 6.8RadiatedEmissionsMeasurement............................................................................................24 6.9ConductedEmissions.................................................................................................................34 6.10Pseudorandomfrequencyhoppingsequence...........................................................................35 7TESTSETUPPHOTOGRAPHSOFEUT.................................................................................................................36 8EXTERNALPHOTOGRAPHSOFEUT....................................................................................................................36 9INTERNALPHOTOGRAPHSOFEUT.....................................................................................................................36 Page3of36ReportNo.:AIT23082405FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huan…

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DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23082405FW1 FCCID:2BCNK-812 Page1of61 AppendixA RFTestDataforBT(BDR/EDR)(ConductedMeasurement) ProductName:stylus TradeMark:N/A TestModel:812 EnvironmentalConditions Temperature:25.8°C RelativeHumidity:52.4% ATMPressure:101Kpa TestEngineer:SimbaHuang Supervisedby:SealChen DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23082405FW1 FCCID:2BCNK-812 Page2of61 Contents Page COVERPAGE 1DutyCycle........................................................................................................................................................................................3 1.1TestResult............................................................................................................................................................................3 1.2TestGraphs...........................................................................................................................................................................4 2MaximumConductedPeakOutputPower........................................................................................................................................9 2.1TestResult............................................................................................................................................................................9 2.2TestGraphs.........................................................................................................................................................................10 320dBBandwidth..............................................................................................................................................................................15 3.1TestResult..........................................................................................................................................................................15 3.2TestGraphs.........................................................................................................................................................................16 4CarrierFrequencySeparation.........................................................................................................................................................21 4.1TestResult..........................................................................................................................................................................21 4.2TestGraphs.........................................................................................................................................................................22 5HoppingChannelNumber...............................................................................................................................................................24 5.1TestResult..........................................................................................................................................................................24 5.2TestGraphs.........................................................................................................................................................................25 6DwellTime......................................................................................................................................................................................27 6.1TestResult..........................................................................................................................................................................27 6.2TestGraphs.........................................................................................................................................................................28 7RFConductedSpuriousEmissions.................................................................................................................................................31 7.1TestResult..........................................................................................................................................................................31 7.2TestGraphs.........................................................................................................................................................................32 8Band-edgeforRFConductedEmissions........................................................................................................................................41 8.1TestResult..........................................................................................................................................................................41 8.2TestGraphs.........................................................................................................................................................................42 9Restrict-bandband-edgemeasurements........................................................................................................................................54 9.1TestResult..........................................................................................................................................................................54 9.2TestGraphs.........................................................................................................................................................................56 DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23082405FW1 FCCID:2BCNK-812 Page3of61 1DutyCycle 1.1TestResult ModeFrequency(MHz)DutyCycle(%)1/T(kHz) 1-DH1240231.22.63 1-DH1244131.212.63 1-DH1248031.22.63 2-DH1240232.012.56 2-DH12441322.56 2-DH12480322.56 3-DH12402322.56 3-DH1244132.012.56 3-DH12480322.56 DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23082405FW1 FCCID:2BCNK-812 Page4of61 1.2TestGraphs TestGraphs 1-DH12402MHz 1-DH12441MHz DongguanYaxu(AiT)TechnologyLimited ReportNo.:AIT23082405FW1 FCCID:2BCNK-812 Page5of61 1-DH12480MHz 2-DH12402MHz DongguanYaxu(AiT)TechnologyLim…

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Page 1 of 1 FCC ID: 2BCNK-812 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Test Setup Photo Radiated Emission ------ End------