2AWA3-POLAR8MK2Sound Column Audio System

Stamer Musikanlagen GmbH

Application Details

Equipment Class: DSS - Part 15 Spread Spectrum Transmitter
Date of Grant: Apr 30, 2026
Application Purpose: Original Equipment
Equipment Note: Sound Column Audio System
Frequency Range: 2402.00000000 - 2480.00000000
Company: Stamer Musikanlagen GmbH
Country: Germany

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

ID Label/Location Info

FCCID:2AWA3-POLAR8MK2 IC:26052-POLAR8MK2 HVIN:POLAR8MK2 210-262787 LableAndLocation SIZE:40MM*25MM Location LogoSize: 6mm*5mm

RF Exposure Info

RFExposureevaluation Exposurecategory:Generalpopulation/uncontrolledenvironment EUTType:ProductionUnit DeviceType:MobileDevice ReferStandard:KDB447498D01GeneralRFExposureGuidancev06 FCCPart2§2.1091 FCCID:2AWA3-POLAR8MK2 1.Reference Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbe operatedinamannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergy levelinexcessoftheCommission’sguidelines. Accordingto§1.1310and§2.1091RFexposureiscalculated. KDB447498D01:MobileandPortableDevicesRFExposureProceduresandEquipment AuthorizationPolicies 2.Limit LimitsforMaximumPermissibleExposure(MPE)/ControlledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/ControlledExposure 0.3–3.06141.63(100)*6 3.0–301842/f4.89/f(900/f 2 )*6 30–30061.40.1631.06 300–1500//f/3006 1500–100,000//56 LimitsforMaximumPermissibleExposure(MPE)/UncontrolledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/ControlledExposure 0.3–3.06141.63(100)*30 3.0–30824/f2.19/f(180/f 2 )*30 30–30027.50.0730.230 300–1500//f/150030 1500–100,000//1.030 F=frequencyinMHz *=Plane-waveequivalentpowerdensity 3.MPECalculationMethod PredicationofMPElimitatagivendistance Equationfrompage18ofOETBulletin65,Edition97-01 S=PG/4πR² Where:S=powerdensity P=powerinputtoantenna G=powergainoftheantennainthedirectionofinterestrelativetoanisotropicradiator R=distancetothecenterofradiationoftheantenna 4.Result AsdeclaredbytheApplicant,theEUTisawirelessdeviceusedinafixapplication,atleast 20cmfromanybodypartoftheuserornearbypersons;fromthemaximumEUTRFoutput power,theminimumseparationdistance,r=20cm,aswellasthegainseebelowtable,the RFpowerdensitycanbeobtained. Internal Identification AntennaIdentification inInternalphotos Antennatypeand antennanumber Operatefrequencyband Maximum antennagain InternalAntennaPCBAntennaPCBAntenna2.4GHz-2.5GHz-5.31dBi EDR Freq. (MHz) Output Power (dBm) Targetpower W/tolerance (dBm) Maxtuneup power tolerance (dBm) Outputpower toantenna (mW) Ant Gain (dBi) Power Densityat R=20cm (mW/cm2) Limit (mW/c m2) Result GFSK 2402-0.31-0.5±1.00.51.1220-5.310.000071Pass 2441-1.80-2.0±1.0-1.00.7943-5.310.000051Pass 2480-2.40-2.5±1.0-1.50.7079-5.310.000041Pass π/4DQPSK 24022.042.0±1.03.01.9953-5.310.000121Pass 24410.550.5±1.01.51.4125-5.310.000081Pass 2480-0.120±1.01.01.2589-5.310.000071Pass 8DPSK 24022.622.5±1.03.52.2387-5.310.000131Pass 24411.151.0±1.02.01.5849-5.310.000091Pass 24800.470.5±1.01.51.4125-5.310.000081Pass Note:Theestimationdistanceis20cm. 5.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1091fortheuncontrolled RFExposureofmobiledevice.

Test Report

ReportNo.2026020266775635-00 LaboratoryAddress:Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,No.30of TangxiaDistrict,DongshenRoad,TangxiaTown,Dongguan,523710,People'sRepublicofChina Tel:0769-87182258E-mail:[email protected] ： www.keywaytest.com REV.00 Page 1 of 51 FCCPart15C&RSS-247TESTREPORT FCCID:2AWA3-POLAR8MK2 IC:26052-POLAR8MK2 Preparedfor: StamerMusikanlagenGmbH Address: MagdeburgerStrasse866606St.WendelGermany TradeName: E.U.T: SoundColumnAudioSystem TestModel: POLAR8MK2 Preparedby: KeywayTestingTechnology(Guangdong)Co.,Ltd. Address: Room2102,Building6,DongyiIntelligentEquipmentNew EnergyVehiclePark,No.30ofTangxiaDistrict,DongshenRoad, TangxiaTown,Dongguan,523710,People'sRepublicofChina Tel:86-769-87182258 Fax:86-769-87181058 ReportNo.: 2026020266775635-00 DateofTest:: Jan.12,~Jan.28,2026 DateofReport: Feb.05,2026 ReportNo.2025121938953803-00 LaboratoryAddress:Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,No.30of TangxiaDistrict,DongshenRoad,TangxiaTown,Dongguan,523710,People'sRepublicofChina Tel:0769-87182258E-mail:[email protected] ： www.keywaytest.com REV.00 Page 2 of 51 Applicant: StamerMusikanlagenGmbH Address: MagdeburgerStrasse866606St.WendelGermany Manufacturer: StamerMusikanlagenGmbH Address: MagdeburgerStrasse866606St.WendelGermany E.U.T: SoundColumnAudioSystem ModelNumber: POLAR8MK2 TradeName: DateofReceipt: Jan.11,2026 DateofTest: Jan.12,~Jan.28,2026 TestSpecification: FCCCFR47Part15Section15.247 RSS-247Issue4:July24,2025 ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+ErratatoC63.10a- 2024 RSS-GENIssue5,Amendment2,February,2021 TestResult: Theequipmentundertestwasfoundtobecompliancewiththe requirementsofthestandardsapplied. IssueDate:Feb.05,2026 Testedby:Reviewedby:Authorizedby: HughZhang/EngineerBillyZeng/SupervisorCherryChen/Manager Abbreviations:OK/P=passedfail/F=failedN/A=notapplicableE.U.T=equipmentundertested ThisdevicedescribedabovehasbeentestedbyKeyway,andthetestresultsshowthattheequipmentundertest(EUT)isin compliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofKeyway,thisdocumentmaybealteredorrevised byKeyway,personalonly,andshallbenotedintherevisionofthedocument. ReportNo.2025121938953803-00 LaboratoryAddress:Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,No.30of TangxiaDistrict,DongshenRoad,TangxiaTown,Dongguan,523710,People'sRepublicofChina Tel:0769-87182258E-mail:[email protected] ： www.keywaytest.com REV.00 Page 3 of 51 RevisionRecord VersionChapterDateModifierRemark 002026.2.5 Original ReportNo.2025121938953803-00 LaboratoryAddress:Room2102,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,No.30of TangxiaDistrict,DongshenRoad,TangxiaTown,Dongguan,523710,People'sRepublicofChina Tel:0769-87182258E-mail:[email protected] ： www.keywaytest.com REV.00 Page 4 of 51 Contents Page 1TESTSUMMARY..........................................................................................................................................................6 2TESTFACILITY............................................................................................................................................................7 3GENERALINFORMATION........................................................................................................................................8 3.1GENERALDESCRIPTIONOFE.U.T........................................................................................................................8 3.2CHANNELLIST.....................................................................................................................................................9 3.3TESTSETUPCONFIGURATION............................................................................................................................10 3.4TESTMODE........................................................................................................................................................10 4EQUIPMENTDURINGTEST...................................................................................................................................11 4.1EQUIPMENTSLIST..............................................................................................................................................11 4.2MEASUREMENTUNCERTAINTY..........................................................................................................................13 4.3DESCRIPTIONOFSUPPORTUNITS.......................................................................................................................14 5CONDUCTEDEMISSION..........................................................................................................................................15 5.1E.U.T.OPERATION.............................................................................................................................................15 5.2EUTSETUP........................................................................................................................................................15 5.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION)....................................................................................16 5.4MEASUREMENTPROCEDURE:.............................................................................................................................16 5.5CONDUCTEDEMISSIONLIMIT............................................................................................................................16 5.6MEASUREMENTDESCRIPTION............................................................................................................................16 5.7CONDUCTEDEMISSIONTESTRESULT................................................................................................................16 6RADIATEDSPURIOUSEMISSIONS.....................................................…

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Test Report

KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com E.U.T: SoundColumnAudioSystem ModelNumber: POLAR8MK2 TradeName: SampleNumber:33000261557 DateofReceipt: Jan.11,2026 DateofTest: Jan.12,~Jan.28,2026 FCCID: 2AWA3-POLAR8MK2 IC: 26052-POLAR8MK2 Note:Thetestdatahaveallbeencompensatedforcableloss,andwhenmeasuringtheentire2400-2500MHz,the maximumlossvalue7.89dB.andwhenmeasuringtheentire30MHz-25GHz,InputCompensationCoeffcient(dB)= MaxCableLoss(dB) KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.1CONDUCTEDOUTPUTPOWER TestResult Modulation Packet Type Channel Peak Output Power (dBm) Peak Power Limit (dBm) Gain (dBm) ISEDEIRP (dBm) ISEDEIRP Limit (dBm) Result GFSKDH1 0-0.31≤30-5.31-5.62≤36.02PASS 39-1.80≤30-5.31-7.11≤36.02PASS 78-2.40≤30-5.31-7.71≤36.02PASS π/4DQPSK2-DH1 02.04≤30-5.31-3.27≤36.02PASS 390.55≤30-5.31-4.76≤36.02PASS 78-0.12≤30-5.31-5.43≤36.02PASS 8DPSK3-DH1 02.62≤30-5.31-2.69≤36.02PASS 391.15≤30-5.31-4.16≤36.02PASS 780.47≤30-5.31-4.84≤36.02PASS Note:ISEDEIRP(dBm)=PeakOutputPower(dBm)+Gain(dBi) KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com TestGraphs PeakOutputPower GFSK_Channel0 PeakOutputPower GFSK_Channel39 PeakOutputPower GFSK_Channel78 PeakOutputPower π/4DQPSK_Channel0 PeakOutputPower π/4DQPSK_Channel39 PeakOutputPower π/4DQPSK_Channel78 PeakOutputPower 8DPSK_Channel0 PeakOutputPower 8DPSK_Channel39 KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com PeakOutputPower 8DPSK_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.299%BANDWIDTH TestResult ModulationChannelCenterFrequency(MHz)99%BW(MHz) GFSK 024020.79606 3924410.78192 7824800.78339 π/4DQPSK 024021.1592 3924411.1546 7824801.1633 8DPSK 024021.1495 3924411.1474 7824801.1452 TestGraphs GFSK_DH1_Channel0π/4DQPSK_2-DH1_Channel0 GFSK_DH1_Channel39π/4DQPSK_2-DH1_Channel39 GFSK_DH1_Channel78π/4DQPSK_2-DH1_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com 8DPSK_3-DH1_Channel08DPSK_3-DH1_Channel39 8DPSK_3-DH1_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.320DBBANDWIDTH TestResult ModulationChannelCenterFrequency(MHz)20dBBandwidth(MHz) GFSK 02402MHz0.8709 392441MHz0.8719 782480MHz0.8698 π/4DQPSK 02402MHz1.292 392441MHz1.289 782480MHz1.297 8DPSK 02402MHz1.217 392441MHz1.214 782480MHz1.214 TestGraphs GFSK_DH1_Channel0GFSK_DH1_Channel39 GFSK_DH1_Channel78π/4DQPSK_2-DH1_Channel0 π/4DQPSK_2-DH1_Channel39π/4DQPSK_2-DH1_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com 8DPSK_3-DH1_Channel08DPSK_3-DH1_Channel39 8DPSK_3-DH1_Channel78 KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.4CARRIERFREQUENCIESSEPARATION TestResult ModulationPacket LeftCenter frequency (MHz) RightCenter frequency (MHz) Hopping Frequency Separation (MHz) Limit(MHz)Result GFSKDH12439.82032440.82121.00090.581PASS π/4DQPSK2-DH12439.82152440.82391.00240.865PASS 8DPSK3-DH12439.81882440.82061.00180.811PASS TestGraphs GFSKπ/4DQPSK 8DPSK KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewEnergyVehiclePark,N.30 ofTangxiaDistrict,DongshenRoad,TangxiaTown,DongguanCity,Guangdong,China Telephone:+86(0)87182258www.keywaytest.com A.5CONDUCTEDOUTOFBANDEMISSION TestResult Non-Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result GFSKDH1 0 2400.00-51.327-20.69-30.637PASS 21151.4-46.379-20.69-25.689PASS 3921542.8-47.740-22.18-25.560PASS 78 2483.50-56.130-22.78-33.350PASS 21152.7-46.885-22.78-24.105PASS π/4DQPSK2-DH1 0 2400.00-50.771-20.7-30.071PASS 21199.5-47.242-20.7-26.542PASS 3921139.5-46.850-22.14-24.710PASS 78 2483.50-55.291-22.68-32.611PASS 21168.3-46.645-22.68-23.965PASS 8DPSK3-DH1 0 2400.00-49.233-20.66-28.573PASS 21192.0-45.754-20.66-25.094PASS 3921727.6-47.140-22.1-25.040PASS 78 2483.50-57.026-22.65-34.376PASS 21559.0-46.855-22.65-24.205PASS Note:inputcompensationcoeffcient(dB)=CableLoss(dB) Hopping ModulationPacketChannel OOB Emission Frequency (MHz) OOB Emission Level (dBm) Limit (dBm) OverLimit (dB) Result GFSKDH1 Hopping 2400.00-53.098-20.49-32.608PASS 2483.50-55.948-22.44-33.508PASS π/4DQPSK2-DH1 2400.00-50.420-20.5-29.920PASS 2483.50-54.622-22.44-32.182PASS 8DPSK3-DH1 2400.00-51.338-20.43-30.908PASS 2483.50-54.367-22.39-31.977PASS Note:inputcompensationcoeffcient(dB)=CableLoss(dB) TestGraphs OutOfBandEmission GFSK_DH1_Channel0 OutOfBandEmission π/4DQPSK_2-DH1_Channel0 KeywayTestingTechnology(Guangdong)Co.,Ltd 21Floor,Building6,DongyiIntelligentEquipmentNewE…

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Contact Information

Applicant

Holger Kartes(Chief Technical Officer)

[email protected]Fax: +49 6851-905501

Technical Contact

TTSMARKET INC.Maverick Lim

[email protected]

1178 Broadway Ste 324 · New York, New York, 10001 · United States

Test Firm

Keyway Testing Technology (Guangdong) Co., LtdCherry Chen

[email protected]

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	1.80 mW

Confidentiality

Long Term

Grant Notes

Power listed is the maximum conducted output power. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.