
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Federal Communications Commission Notice 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. This equipment complies with FCC radiation exposure limits s et forth for anuncontrolled environment. This equipment shoul d be installed and operated withminimum distance 20cm betwe en the radiator & your body.
* the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. SC5126905 U.S. Agent Designation for Service of Process - Certification Attestation Letter 12/22/2025 TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2BM54J-16 FRN of applicant: 0036456663 Per section 2.911(d)(7) of the FCC rules, Shenzhen YiCheng Technology Co., Ltd FRN:0036456663(“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: Global Product Services and Consultation LLC FCC Registration Number (FRN): 0033406703 Physical U.S. Company Address: 328 W Palm Ave. Monrovia, CA91016 Contact Person: Michael Chan Tel: +1 626 366 4358 Agent Email Address: [email protected] The above contact person accepts the obligation for service of process. 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. Applicant Signed:Agent Signed (if different from Applicant): Signed:Signed: Printed name: Yixuan Cheng Title: General Manager Company Name: Shenzhen YiCheng Technology Co., Ltd Date: 12/22/2025 Printed name: Michael Chan Title: Technical Director Company Name: Global Product Services and Consultation LLC Date: 12/22/2025
ShenzhenYichengTechnologyCo.,LTD CoveredEquipmentCertificationAttestationLetter DATE: Dec.22,2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2BM54J-16 (“ShenzhenYichengTechnologyCo.,LTD)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. (“ShenzhenYichengTechnologyCo.,LTD”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList(asaspecifically namedentityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. (“ShenzhenYichengTechnologyCo.,LTD”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedor providedbyKasperskyLab,Inc.oranyofitssuccessorsandassignees,including equipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees) cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446D01 CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:YixuanCheng Title:generalmanager CompanyName:ShenzhenYichengTechnologyCo.,LTD Date:Dec.22,2025
DATE:December20,2025 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointShenzhenDLTestingTechnologyCo.,Ltd. (101-201,ComprehensiveBuilding,TongzhouElectronicsLonggangFactoryArea,No.1 BaolongFifthRoad,BaolongCommunity,BaolongStreet,LonggangDistrict,Shenzhen, China)toactasouragentinthepreparationofthisapplicationforequipmentcertification.I certifythatsubmitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsfor certification,stillresideswithShenzhenYichengTechnologyCo.,LTD(D01,Building A,No.1034LonggangAvenue(PingDistrict),PingxiCommunity,PingdiStreet,Longgang District,ShenzhenCity,China) <Signature> Name:YixuanCheng Title:generalmanager ApplicantCompany:ShenzhenYichengTechnologyCo.,LTD
DATE: December20,2025 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Sincerely, <Signature> Name:YixuanCheng Title:generalmanager ApplicantCompany:ShenzhenYichengTechnologyCo.,LTD
DATE: December20,2025 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2BM54J-16 ProductName:Pull-outbluetoothmobilephonescreeneyeprotector RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...) Schematics Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. <Signature> Name:YixuanCheng Title:generalmanager ApplicantCompany:ShenzhenYichengTechnologyCo.,LTD
Shenzhen Yicheng Technology Co., LTD Model Difference FCC ID: 2BM54J-16 Model: J-16, 26X (All the same except the model number and the external dimension.) J-1626X Sincerely, <Signature> Date: December 25, 2025 Name: Yixuan Cheng Title: general manager Applicant Company: Shenzhen Yicheng Technology Co., LTD
FCCID:2BM54J-16ExternalPhoto J-1626X
LabelLocation FCCID:2BM54J-16
FCCID:2BM54J-16InternalPhoto J-1626X BLEAntenna BLEAntenna
FCCID:2BM54J-16 RFExposureEvaluation Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. Modulation Frequency (MHz) Output powerto antenna (dBm) Output powerto antenna (mW) Power Densityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result BLEGFSK 24022.1121.6262980.0002831.0PASS 24401.6671.4679120.0002561.0PASS 24801.4031.3813380.0002401.0PASS Remark:BLEAntennagainis-0.58dBi
Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dBi Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs:Attestation of Global Compliance Co., Ltd.
TableofContents 1.-6dBBandwidth............................................................................................................................................................2 2.99%OccupiedBandwidth............................................................................................................................................4 3.DutyCycle.....................................................................................................................................................................6 4.PeakOutputPower.......................................................................................................................................................8 5.PowerSpectralDensity...............................................................................................................................................10 6.Bandedge....................................................................................................................................................................12 7.SpuriousEmission.......................................................................................................................................................14 Page2of16 FCCID:2BM54J-16 FCC_BLE(Part15.247)TestData 1.-6dBBandwidth ConditionAntennaRateFrequency(MHz)-6dBBW(kHz)limit(kHz)Result NVNTANT12Mbps2402.00855.2500Pass NVNTANT12Mbps2440.00837.8500Pass NVNTANT12Mbps2480.00849.9500Pass -6dB_Bandwidth_NVNT_ANT1_2Mbps_2402 -6dB_Bandwidth_NVNT_ANT1_2Mbps_2440 Page3of16 -6dB_Bandwidth_NVNT_ANT1_2Mbps_2480 Page4of16 2.99%OccupiedBandwidth ConditionAntennaRateFrequency(MHz)99%%BW(MHz) NVNTANT12Mbps2402.002.058 NVNTANT12Mbps2440.002.078 NVNTANT12Mbps2480.002.084 99%_Occupied_Bandwidth_NVNT_ANT1_2Mbps_2402 99%_Occupied_Bandwidth_NVNT_ANT1_2Mbps_2440 99%_Occupied_Bandwidth_NVNT_ANT1_2Mbps_2480 Page5of16 Page6of16 3.DutyCycle ConditionAntennaRateFrequency(MHz)Dutycycle(%)Duty_factor(dB) NVNTANT12Mbps2402.0012.908.89 NVNTANT12Mbps2440.009.6810.14 NVNTANT12Mbps2480.009.6810.14 Duty_Cycle_NVNT_ANT1_2Mbps_2402 Duty_Cycle_NVNT_ANT1_2Mbps_2440 Duty_Cycle_NVNT_ANT1_2Mbps_2480 Page7of16 Page8of16 4.PeakOutputPower ConditionAntennaRate Frequency (MHz) Max.Conducted Power(dBm) Max.Conducted Power(mW) Limit(mW)Result NVNTANT12Mbps2402.002.1121.631000Pass NVNTANT12Mbps2440.001.6671.471000Pass NVNTANT12Mbps2480.001.4031.381000Pass Peak_Output_Power_NVNT_ANT1_2Mbps_2402 Peak_Output_Power_NVNT_ANT1_2Mbps_2440 Peak_Output_Power_NVNT_ANT1_2Mbps_2480 Page9of16 Page10of16 5.PowerSpectralDensity ConditionAntennaRateFrequency(MHz) PowerSpectral Density(dBm/3kHz) Limit(dBm/3kHz)Result NVNTANT12Mbps2402.00-20.368Pass NVNTANT12Mbps2440.00-20.748Pass NVNTANT12Mbps2480.00-20.988Pass Power_Spectral_Density_NVNT_ANT1_2Mbps_2402 Power_Spectral_Density_NVNT_ANT1_2Mbps_2440 Power_Spectral_Density_NVNT_ANT1_2Mbps_2480 Page11of16 Page12of16 6.Bandedge ConditionAntennaModulation TX_Frequency (MHz) Max. Mark_freq(MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT12Mbps2402.002399.9651.282-31.468-18.718Pass NVNTANT12Mbps2480.002485.4750.659-48.943-19.341Pass 1_Reference_Level_NVNT_ANT1_2Mbps_2402 2_Bandedge_NVNT_ANT1_2Mbps_2402 1_Reference_Level_NVNT_ANT1_2Mbps_2480 Page13of16 2_Bandedge_NVNT_ANT1_2Mbps_2480 Page14of16 7.SpuriousEmission ConditionAntennaModulation TX_Frequency (MHz) Ref_level(dBm) Spurious level(dBm) limit(dBm)Result NVNTANT12Mbps2402.001.282-47.040-18.718Pass NVNTANT12Mbps2440.000.953-43.728-19.047Pass NVNTANT12Mbps2480.000.659-48.488-19.341Pass 1_Reference_Level_NVNT_ANT1_2Mbps_2402 2_Spurious_Emission_NVNT_ANT1_2Mbps_2402 1_Reference_Level_NVNT_ANT1_2Mbps_2440 Page15of16 2_Spurious_Emission_NVNT_ANT1_2Mbps_2440 1_Reference_Level_NVNT_ANT1_2Mbps_2480 Page16of16 2_Spurious_Emission_NVNT_ANT1_2Mbps_2480
ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251215004R TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 1 of 27 FCCPart15CTestReport FCCID:2BM54J-16 Applicant:ShenzhenYichengTechnologyCo.,LTD Address: D01,BuildingA,No.1034LonggangAvenue(PingDistrict),PingxiCommunity,Pingdi Street,LonggangDistrict,ShenzhenCity,China Manufacturer:ShenzhenYichengTechnologyCo.,LTD Address: D01,BuildingA,No.1034LonggangAvenue(PingDistrict),PingxiCommunity,Pingdi Street,LonggangDistrict,ShenzhenCity,China EUT:Pull-outbluetoothmobilephonescreeneyeprotector TradeMark:N/A ModelNumber:J-16,26X DateofReceipt:Dec.01,2025 TestDate:Dec.01,2025-Dec.15,2025 DateofReport:Dec.15,2025 PreparedBy:ShenzhenDLTestingTechnologyCo.,Ltd. Address: 101-201,BuildingC,Shuanghuan,No.8,BaoqingRoad,BaolongIndustrialZone, BaolongStreet,LonggangDistrict,Shenzhen,Guangdong,China Applicable Standards: FCCPART15C15.247 ANSIC63.10:2020 TestResult:Pass ReportNumber:DLE-251215004R Prepared(TestEngineer):PxingHuang Reviewer(Supervisor):JackBu Approved(Manager):JadeYang Thistestreportisbasedonasingleevaluationofonesampleofabovementionedproducts.Itisnotpermittedto beduplicatedinextractswithoutwrittenapprovalofShenzhenDLTestingTechnologyCo.,Ltd. ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251215004R TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 2 of 27 TableofContentsPage 1.1MEASUREMENTUNCERTAINTY..................................................................................4 1.2TESTFACILTY.................................................................................................................4 2.GENERALINFORMATION........................................................................................5 2.1GENERALDESCRIPTIONOFEUT................................................................................5 2.2DESCRIPTIONOFTESTMODES..................................................................................6 2.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED............6 2.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)........................................6 2.5EQUIPMENTSLISTFORALLTESTITEMS.................................................................7 3.EMCEMISSIONTEST...............................................................................................8 3.1CONDUCTEDEMISSIONMEASUREMENT..................................................................8 3.2POWERLINECONDUCTEDEMISSIONLimits......................................................8 3.3TESTPROCEDURE....................................................................................................8 3.4DEVIATIONFROMTESTSTANDARD.....................................................................8 3.5TESTSETUP..............................................................................................................9 3.6EUTOPERATINGCONDITIONS...............................................................................9 3.7TESTRESULTS.........................................................................................................9 4.RADIATEDEMISSIONMEASUREMENT.......................................................................12 4.1RADIATEDEMISSIONLIMITS................................................................................12 4.2TESTPROCEDURE.................................................................................................13 4.3DEVIATIONFROMTESTSTANDARD...................................................................13 4.4TESTSETUP............................................................................................................13 4.5EUTOPERATINGCONDITIONS............................................................................14 4.6TESTRESULTS.........................................................................................................14 5.RADIATEDBANDEMISSIONMEASUREMENT.............................................................18 5.1TESTREQUIREMENT:..............................................................................................18 5.2TESTPROCEDURE..................................................................................................18 5.3DEVIATIONFROMTESTSTANDARD.....................................................................18 5.4TESTSETUP..............................................................................................................19 5.5EUTOPERATINGCONDITIONS..............................................................................19 5.6TESTRESULT...........................................................................................................20 6.1APPLIEDPROCEDURES/LIMIT.................................................................................21 6.2TESTPROCEDURE.................................................................................................21 6.3DEVIATIONFROMSTANDARD..............................................................................21 6.4TESTSETUP............................................................................................................21 6.5EUTOPERATIONCONDITIONS............................................................................21 6.6TESTRESULTS.......................................................................................................21 7.POWERSPECTRALDENSITYTEST.....................................................................22 ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251215004R TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 3 of 27 TableofContentsPage 7.1APPLIEDPROCEDURES/LIMIT.................................................................................22 7.2TESTPROCEDURE..................................................................................................22 7.3DEVIATIONFROMSTANDARD..............................................................................22 7.4TESTSETUP...........................................................................…
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FCCID:2BM54J-16TestPhoto
328 W Palm Ave. Monrovia, CA 91016 · Monrovia, California, 91016 · United States
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 1.63 mW |