2AOKB-D0450Nebula Wireless Microphone

FCCID:2AOKB-D0450

FCCID:2AOKB-D0450 ANT

version01 AnkerInnovationsLimited DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:D0450 FCCID:2AOKB-D0450 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:N/A Typeofantenna:PCBantenna Gainoftheantenna:1.65dBi Frequencyrange:2402~2477MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:AnkerInnovationsLimited Address:Room1318-19,HollywoodPlaza,610NathanRoad,Mongkok,Kowloon, HongKong City:HongKong ZIP/Postalcode:/ Country: Place:Date:4/20/2022 Signature:

Report No.: 18220WC20047102 FCC ID: 2AOKB-D0450 Page 1 of 61 FCC SAR Test Report Client Name : Anker Innovations Limited Address : Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hong Kong Product Name : Nebula Wireless Microphone Date : Apr. 22, 2022 Shenzhen Anbotek Compliance Laboratory Limited Report No.: 18220WC20047102 FCC ID: 2AOKB-D0450 Page 2 of 61 Contents 1. Statement of Compliance .................................................................................................. 6 2. General Information ........................................................................................................... 7 2.1 Client Information ..................................................................................................................................................... 7 2.2 Description of Equipment Under Test (EUT) ............................................................................................................ 7 2.3 Device Category and SAR Limits ............................................................................................................................. 8 2.4 Applied Standard ...................................................................................................................................................... 8 2.5 Environment of Test Site .......................................................................................................................................... 8 2.6 Test Configuration .................................................................................................................................................... 8 3. Specific Absorption Rate (SAR) ......................................................................................... 9 3.1 Introduction ............................................................................................................................................................. 9 3.2 SAR Definition ......................................................................................................................................................... 9 4. SAR Measurement System ............................................................................................. 10 4.1 E-Field Probe ......................................................................................................................................................... 11 4.2 Data Acquisition Electronics (DAE) ........................................................................................................................ 11 4.3 Robot .................................................................................................................................................................... 12 4.4 Measurement Server ............................................................................................................................................ 13 4.5 Phantom................................................................................................................................................................ 13 4.6 Device Holder ....................................................................................................................................................... 15 4.7 Data Storage and Evaluation ................................................................................................................................ 16 5. Test Equipment List ......................................................................................................... 18 6. Tissue Simulating Liquids ................................................................................................ 19 7. System Verification Procedures ....................................................................................... 21 8. EUT Testing Position ....................................................................................................... 23 8.1. Body Worn Position ............................................................................................................................................... 23 9. Measurement Procedures ............................................................................................... 24 9.1 Spatial Peak SAR Evaluation ................................................................................................................................ 24 9.2 Power Reference Measurement ........................................................................................................................... 25 9.3 Area Scan Procedures .......................................................................................................................................... 25 9.4 Zoom Scan Procedures ........................................................................................................................................ 26 9.5 Volume Scan Procedures...................................................................................................................................... 27 9.6 Power Drift Monitoring .......................................................................................................................................... 27 10. Conducted Power .......................................................................................................... 28 11. Antenna Location ........................................................................................................... 29 12. SAR Test Results Summary .......................................................................................... 30 13. Measurement Uncertainty .............................................................................................. 31 Report No.: 18220WC20047102 FCC ID: 2AOKB-D0450 Page 3 of 61 Appendix A. EUT Photos and Test Setup Photos ................................................................. 33 Appendix B. Plots of SAR System Check ..................…

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ReportNo.:18220WC20047101FCCID:2AOKB-D0450Page1of28 Code:AB-RF-05-a FCCTESTREPORT ClientName:AnkerInnovationsLimited Address: Room1318-19,HollywoodPlaza,610NathanRoad, Mongkok,Kowloon,HongKong ProductName:NebulaWirelessMicrophone Date:Apr.20,2022 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC20047101FCCID:2AOKB-D0450Page2of28 Code:AB-RF-05-a Contents 1.GeneralInformation ............................................................................................................................................... 5 1.1.ClientInformation ....................................................................................................................................... 5 1.2.DescriptionofDevice(EUT) ..................................................................................................................... 5 1.3.AuxiliaryEquipmentUsedDuringTest ................................................................................................... 6 1.4.DescriptionofTestModes ........................................................................................................................ 6 1.5.Listofchannels ........................................................................................................................................... 6 1.6.DescriptionOfTestSetup ......................................................................................................................... 7 1.7.TestEquipmentList .................................................................................................................................... 8 1.8.MeasurementUncertainty ......................................................................................................................... 9 1.9.DescriptionofTestFacility ........................................................................................................................ 9 2.SummaryofTestResults ................................................................................................................................... 10 3.ConductedEmissionTest ................................................................................................................................... 11 3.1.TestStandardandLimit .......................................................................................................................... 11 3.2.TestSetup .................................................................................................................................................. 11 3.3.TestProcedure .......................................................................................................................................... 11 3.4.TestData .................................................................................................................................................... 11 4.RadiationSpuriousEmissionandBandEdge ................................................................................................ 12 4.1.TestStandardandLimit .......................................................................................................................... 12 4.2.TestSetup .................................................................................................................................................. 12 4.3.TestProcedure .......................................................................................................................................... 13 4.4.TestData .................................................................................................................................................... 14 5.MaximumPeakOutputPowerTest .................................................................................................................. 22 5.1.TestStandardandLimit .......................................................................................................................... 22 5.2.TestSetup .................................................................................................................................................. 22 5.3.TestProcedure .......................................................................................................................................... 22 5.4.TestData .................................................................................................................................................... 22 6.6DBOccupyBandwidthTest ............................................................................................................................. 23 6.1.TestStandardandLimit .......................................................................................................................... 23 6.2.TestSetup .................................................................................................................................................. 23 6.3.TestProcedure .......................................................................................................................................... 23 6.4.TestData .................................................................................................................................................... 23 7.PowerSpectralDensityTest .............................................................................................................................. 24 7.1.TestStandardandLimit .......................................................................................................................... 24 7.2.TestSetup .................................................................................................................................................. 24 7.3.TestProcedure .......................................................................................................................................... 24 7.4.TestData .....................................................................................................................................…

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