2ANBK-DY549RXVideo baby monitor

Camera

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2ANBK-DY549RX DY549RX, DY549, BM568, BM5K14L, BM5K13W, BM5K08L, BM5K09L, BM5K10L, BM5K08W, BM5K09W, BM5K10W We, Applicant Company Name: Shenzhen Dayun Links Co., Ltd Address: Room 501, No.B Building 1, Bestda Medical DeviceBuilding, No.28, Nantong Avenue, Baolong Street, Longgang, Shenzhen, Guangdong, China Phone: +86-755-89357215 certify 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. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify 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. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-01-23 Signature Date Name / Title: Chen Dong / Manager Company: Shenzhen Dayun Links Co., Ltd Address: Room 501, No.B Building 1, Bestda Medical DeviceBuilding, No.28, Nantong Avenue, Baolong Street, Longgang, Shenzhen, Guangdong, China Phone: +86-755-89357215 Fax: N/A E-Mail: [email protected]

Due Diligence Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern FCC ID Model name 2ANBK-DY549RX DY549RX, DY549, BM568, BM5K14L, BM5K13W, BM5K08L, BM5K09L, BM5K10L, BM5K08W, BM5K09W, BM5K10W Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti-virus software Compliance The memory used does not allow the running the cybersecurity and/or anti-virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: Shenzhen Huaxia Testing Technology Co., Ltd Contact Name: Yoyo Zhou Address: 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Phone: +86-755-26648642 Email: [email protected] Signature: Date: 2026-01-23

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2ANBK-DY549RX DY549RX, DY549, BM568, BM5K14L, BM5K13W, BM5K08L, BM5K09L, BM5K10L, BM5K08W, BM5K09W, BM5K10W For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-01-23 Signature Date Name / Title: Chen Dong / Manager Company: Shenzhen Dayun Links Co., Ltd Address: Room 501, No.B Building 1, Bestda Medical DeviceBuilding, No.28, Nantong Avenue, Baolong Street, Longgang, Shenzhen, Guangdong, China Phone: +86-755-89357215 Fax: N/A E-Mail: [email protected]

Page 1 of 1 Rev.2.0 Shenzhen Dayun Links Co., Ltd WIFI Channel 12 and 13 Declaration Letter We declare the equipment identified below with regards to Channel 12 and 13 capabilities for FCC ID: 2ANBK-DY549RX Declaration Product hardware does not have the capability to operate on Channel 12 and 13. Product hardware has the capability to operate on Channel 12 and 13. However, these two channels will be disabled via software and will not be accessible to user. Product hardware has the capability to operate on Channel 12 and 13. However, all the operated channels can’t be changed in the RF parameter via software. All channels have complied with all of the requirements sets out in FCC Part 15.247. Product hardware has the capability to operate on WiFi Channel 12 and 13, and meets the requirements of KDB 594280 D01 v02r01. Please note: 1.) By default, this device operates in a mode that is compliant with the U.S. requirements. 2.) This device will also use supplemental information such as geo- location data to determine that it is operating outside the U.S., if necessary, to change its power. Such supplemental data will be derived from the following: Global Navigation Satellite System (GNSS)7 sensors in the device Mobile Country Code (MCC),8 or MCC with a Mobile Network code (MNC), received from a CMRS9 carrier and received directly by a receiver on the device Country information derived from multiple adjacent access points (for example using IEEE Std 802.11d provisions) may be permitted on case-by-case basis Other suitable geo-location data based on IP addresses or other reliable source. Name / Title: Chen Dong / Manager Signature: Phone: +86-755-89357215 Email: [email protected] Date: 2026-01-23

Externalphotos FCC ID: 2ANBK-DY549RX

Internalphotos FCC ID: 2ANBK-DY549RX ANT

ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V04 ReportTemplateRevisionDate:2018-07-06 TESTREPORT Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlytothe sample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.: CQASZ20251203049E-02 Applicant:ShenzhenDayunLinksCo.,Ltd AddressofApplicant:Room501,No.BBuilding1,BestdaMedicalDeviceBuilding,No.28,Nantong Avenue,BaolongStreet,Longgang,Shenzhen,Guangdong. EquipmentUnderTest(EUT): EUTName:VideoBabyMonitor ModelNo.:DY549RX,DY549,BM568,BM5K14L,BM5K13W,BM5K08L,BM5K09L, BM5K10L,BM5K08W,BM5K09W,BM5K10W TestModelNo.:DY549RX BrandName:N/A FCCID: 2ANBK-DY549RX Standards: 47CFRPart1.1307 47CFRPart1.1310 KDB447498D01GeneralRFExposureGuidancev06 DateofReceipt:2025-12-24 DateofTest: 2025-12-24to2026-01-22 DateofIssue:2026-01-23 TestResult:PASS TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20251203049E-02 Page: 2 of 7 1.Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20251203049E-02Rev.01 Initialreport 2026-01-23 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20251203049E-02 Page: 3 of 7 2.Contents 1.VERSION....................................................................................................................................................................................2 2.CONTENTS................................................................................................................................................................................3 3.GENERALINFORMATION....................................................................................................................................................4 4.CLIENTINFORMATION........................................................................................................................................................4 5.GENERALDESCRIPTIONOFEUT......................................................................................................................................4 6.GENERALDESCRIPTIONOF2.4GWIFICLASSIC.........................................................................................................4 RFEXPOSUREEVALUATION..................................................................................................................................................6 RFEXPOSURECOMPLIANCEREQUIREMENT.............................................................................................................................6 StandardRequirement........................................................................................................................................................6 Limits......................................................................................................................................................................................6 EUTRFExposure................................................................................................................................................................7 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20251203049E-02 Page: 4 of 7 3.GeneralInformation 4.ClientInformation Applicant: ShenzhenDayunLinksCo.,Ltd AddressofApplicant: Room501,No.BBuilding1,BestdaMedicalDeviceBuilding,No.28, NantongAvenue,BaolongStreet,Longgang,Shenzhen,Guangdong. Manufacturer: ShenzhenDayunLinksCo.,Ltd AddressofManufacturer: Room501,No.BBuilding1,BestdaMedicalDeviceBuilding,No.28, NantongAvenue,BaolongStreet,Longgang,Shenzhen,Guangdong. Factory: ShenzhenDayunLinksCo.,Ltd AddressofFactory: Room501,No.BBuilding1,BestdaMedicalDeviceBuilding,No.28, NantongAvenue,BaolongStreet,Longgang,Shenzhen,Guangdong. 5.GeneralDescriptionofEUT ProductName: VideoBabyMonitor ModelNo.: DY549RX,DY549,BM568,BM5K14L,BM5K13W,BM5K08L,BM5K09L, BM5K10L,BM5K08W,BM5K09W,BM5K10W TestModelNo.: DY549RX TradeMark: N/A SoftwareVersion: V1.0 HardwareVersion: V1.0 PowerSupply: Li-ionbatteryDC3.7V5000mAh,ChargebyDC5Vforadapter SimultaneousTransmissionSimultaneousTXissupportedandevaluatedinthisreport. SimultaneousTXisnotsupported. 6.GeneralDescriptionof2.4GWIFIClassic OperationFrequency: 2412MHz~2462MHz TypeofModulation: IEEEfor802.11b:DSSS(CCK,DQPSK,DBPSK) IEEEfor802.11g:OFDM(64QAM,16QAM,QPSK,BPSK) IEEEfor802.11n(HT20):OFDM(64QAM,16QAM,QPSK,BPSK) NumberofChannel: IEEE802.11b/g,IEEE802.11nHT20:11Channels ChannelSeparation: 5MHz TransferRate: IEEEfor802.11b: 1Mbps/2Mbps/5.5Mbps/11Mbps IEEEfor802.11g: 6Mbps/9Mbps/12Mbps/18Mbps/24Mbps/36Mbps/48Mbps/54Mbps IEEEfor802.11n(HT20): 6.5Mbps/13Mbps/19.5Mbps/26Mbps/39Mbps/52Mbps/58.5Mbps/65Mbps SampleType: MobilePortable AntennaType:coppertubeantenna ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20251203049E-02 Page: 5 of 7 AntennaGain:2.85dBi ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20251203049E-02 Page: 6 of 7 RFExposureEvaluation RFExposureComplianceRequirement StandardRequirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06 4.3.1.StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1- gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARExclusionThresholdcondition,listedbelow,issatisfied. Limits The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation17 Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareappli…

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地址：东莞市塘厦镇清湖头建隆科创园4栋6楼第 1 页共 8 页 承认书 SPECIFICATIONFORAPPROVAL 客户名称 CUSTOMERNAME: 客户料号 CUSTOMERP/N: 产品料号 PRODUCTP/N:Z1C161T2D57A 产品名称 PRODUCTNAME:2.4GHzantennae 规格描述： Description: Z1C161T2D57A/2.4GHzBuilt-incoppertubeantenna /1.13blackwireL=130mm+strippedwireatthe lead-outend:：1.5、2、3 Address:Building4,JianlongScienceandTechnologyInnovationPark,Qinghuotou,TangxiaTown, DongguanCit y, China 地址：东莞市塘厦镇清湖头建隆科创园4栋6楼第 2 页共 8 页 一、规格表（SpecificationTable）： Maintechnicalparametersoftheproduc Maintechnicalspecifications FrequencyRange (MHZ) 2400-2500 Impedance(Ω)50 Gain(dBi)2.85 VSWR≤2.0 PolarizationLinear RadiationOmni-directional PhysicalProperties AntennacoverBrass ConnectorTypesoldering Totallength130mm OperatingTemp-20 °C ~+70 °C StorageTemp-20°C~+60°C 地址：东莞市塘厦镇清湖头建隆科创园4栋6楼第 3 页共 8 页 二、成品图（Productdrawing）： 地址：东莞市塘厦镇清湖头建隆科创园4栋6楼第 4 页共 8 页 四、测试报告（Testreport）： 4.1：Networkanalyzertestreport 地址：东莞市塘厦镇清湖头建隆科创园4栋6楼第 5 页共 8 页 2D、3DRaditationPattern 2400MHz 2450MHz 地址：东莞市塘厦镇清湖头建隆科创园4栋6楼第 6 页共 8 页 2500MHz 2400-2500MHZ-Phi0 2400-2500MHz-Phi90 地址：东莞市塘厦镇清湖头建隆科创园4栋6楼第 7 页共 8 页 2400-2500MHz-Theta90 4.3：天线增益与效率 五、产品实物图（Productdrawing） ANT frequency （MHZ） gain （dBi） workpieceratio （%） 2400 2.6556.1 2450 2.8561.24 2500 1.1756.1 地址：东莞市塘厦镇清湖头建隆科创园4栋6楼第 8 页共 8 页

ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 TESTREPORT Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20251203049E-01 Applicant:ShenzhenDayunLinksCo.,Ltd AddressofApplicant:Room501,No.BBuilding1,BestdaMedicalDeviceBuilding,No.28,Nantong Avenue,BaolongStreet,Longgang,Shenzhen,Guangdong. EquipmentUnderTest(EUT): Product:VideoBabyMonitor ModelNo.:DY549RX,DY549,BM568,BM5K14L,BM5K13W,BM5K08L,BM5K09L, BM5K10L,BM5K08W,BM5K09W,BM5K10W TestModelNo.:DY549RX BrandName:N/A FCCID:2ANBK-DY549RX Standards:47CFRPart15,SubpartC KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceipt:2025-12-24 DateofTest: 2025-12-24to2026-01-22 DateofIssue:2026-01-23 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251203049E-01 Page:2of85 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20251203049E-01Rev.01 Initialreport 2026-01-23 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251203049E-01 Page:3of85 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement47CFRPart15.203N/APASS ACPowerLine Conducted Emission 47CFRPart15.207ANSIC63.10-2020PASS ConductedPeak& AverageOutputPower 47CFRPart15.247ANSIC63.10-2020PASS 6dBOccupied Bandwidth 47CFRPart15.247ANSIC63.10-2020PASS PowerSpectralDensity47CFRPart15.247ANSIC63.10-2020PASS Band-edgeforRF ConductedEmissions 47CFRPart15.247ANSIC63.10-2020PASS RFConductedSpurious Emissions 47CFRPart15.247ANSIC63.10-2020PASS RadiatedSpurious Emissions 47CFRPart15.209ANSIC63.10-2020PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15.205/15.209ANSIC63.10-2020PASS Remark: Thetestedsample(s)andthesampleinformationareprovidedbytheclient. Tx:InthiswholereportTx(ortx)meansTransmitter. Rx:InthiswholereportRx(orrx)meansReceiver. RF:InthiswholereportRFmeansRadiatedFrequency. CH:InthiswholereportCHmeanschannel. Volt:InthiswholereportVoltmeansVoltage. Temp:InthiswholereportTempmeansTemperature. Humid:InthiswholereportHumidmeanshumidity. Press:InthiswholereportPressmeansPressure. N/A:Inthiswholereportnotapplication ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20251203049E-01 Page:4of85 3Contents Page 1VERSION......................................................................................................................................................................2 2TESTSUMMARY........................................................................................................................................................3 3CONTENTS..................................................................................................................................................................4 4GENERALINFORMATION.......................................................................................................................................6 4.1CLIENTINFORMATION.............................................................................................................................................6 4.2GENERALDESCRIPTIONOFEUT..........................................................................................................................6 4.3PRODUCTSPECIFICATIONSUBJECTIVETOTHISSTANDARD................................................................................6 4.4TESTENVIRONMENTANDMODE...........................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS......................................................................................................................12 4.6TESTLOCATION....................................................................................................................................................12 4.7TESTFACILITY......................................................................................................................................................12 4.8TESTCONFIGURATION..........................................................................................................................................12 4.9STATEMENTOFTHEMEASUREMENTUNCERTAINTY...........................................................................................13 4.10DEVIATIONFROMSTANDARDS..........................................................................................................................13 4.11ABNORMALITIESFROMSTANDARDCONDITIONS..............................................................................................13 4.12OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..................................................................................13 4.13EQUIPMENTLIST................................................................................................................................................14 5TESTRESULTSANDMEASUREMENTDATA..................................................................................................15 5.1ANTENNAREQUIREMENT.....................................................................................................................................15 5.2CONDUCTEDEMISSIONS......................................................................................................................................16 5.3CONDUCTEDPEAK&AVERAGEOUTPUTPOWER.............................................................................................20 TestResult..........................................................................................................................…

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Setupphotos 1Photographs-EUTTestSetup 1.1RadiatedSpuriousEmission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2ANBK-DY549RX Above1GHz: 1.2ConductedEmission 1.3RFConductedmeasurement