2AMD8-IQ-908KKaraoke Speaker

TT-031 TT-031 FCC Statement 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 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. The device has evaluated to meet general RF exposure requirement. The device can be used be in portable exposure without restriction.

ShenzhenGroundEnterprisesCO.,LTD 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:ShenzhenGroundEnterprisesCO.,LTD Address:Room607,BuildingF,MingYueHuaDu,GongheIndustrialRd,Xixiang,BaoAnDistrict,Sh enzhen,518102,China ProductName:KaraokeSpeaker FCCID:2AMD8-IQ-908K Model(s):IQ-908K,KSP-002 2.911(d)(5)(i)EquipmentType We,[ShenzhenGroundEnterprisesCO.,LTD](“theapplicant”)certifythattheequipmentforwhich authorizationissoughtthroughcertificationisnot: Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules. Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:JamesCaoDate:2023.07.28 TitleandCompanyname:GeneralManager/ShenzhenGroundEnterprisesCO.,LTD NOTE1 “CoveredList ” ;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenGroundEnterprisesCO.,LTD 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:ShenzhenGroundEnterprisesCO.,LTD Address:Room607,BuildingF,MingYueHuaDu,GongheIndustrialRd,Xixiang,BaoAnDistrict, Shenzhen,518102,China ProductName:KaraokeSpeaker FCCID:2AMD8-IQ-908K Model(s):IQ-908K,KSP-002 2.911(d)(5)(ii)Applicantfiling We,[ShenzhenGroundEnterprisesCO.,LTD](“theapplicant”)certifythat,asofthedateofthefiling oftheapplication,theapplicantisisnotidentified NOTE1 onthe“CoveredList” NOTE2 ,established pursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Name:JamesCaoDate:2023.07.28 TitleandCompanyname:GeneralManager/ShenzhenGroundEnterprisesCO.,LTD NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList ” ;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenGroundEnterprisesCO.,LTD AgentAuthorization Company:ShenzhenGroundEnterprisesCO.,LTD Address:Room607,BuildingF,MingYueHuaDu,GongheIndustrialRd,Xixiang,BaoAn District,Shenzhen,518102,China ProductName:KaraokeSpeaker ModelNumber(s):IQ-908K,KSP-002 ProductDescription:KaraokeSpeaker WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2023.07.28 Name:JamesCao Title:GeneralManager Company:ShenzhenGroundEnterprisesCO.,LTD

ShenzhenGroundEnterprisesCO.,LTD ModelDifferent Modelname：KaraokeSpeaker FCCID:2AMD8-IQ-908K Modelnumber:IQ-908K,KSP-002 Allmodel’sthefunction,softwareandelectriccircuitarethesame,exceptthemodelnumber. Name:JamesCao Date:2023-07-28 Title:Manager Signatureofapplicant:

ShenzhenGroundEnterprisesCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023.07.28 Subject;RequestforConfidentiality FCCID:2AMD8-IQ-908K ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:JamesCao Title:GeneralManager

ExternalPhotos

InternalPhotos BTANT MICRxANT FMRxANT

FCCID:2AMD8-IQ-908K RFExposureEvaluation AccordingtoKDB447498V06andpart2.1093 ， Unlessspecificallyrequiredbythe publishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremity SARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThreshold condition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤5mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, SoaSARtestisnotrequired ModeFrequen cy (MHz) Max Power (dBm) Targetpower W/tolerance (dBm) Maxtune uppower tolerance (dBm) MaxPower (mW) Min. Distance (mm) Calc. thresholds limit EDR GFSK 2402 0.64 1±1.0 2 1.584950.4913 3.0 2441 1.42 1±1.02 1.584950.4952 3.0 2480 1.79 1±1.02 1.584950.4992 3.0 π/4-DQ PSK 2402 1.56 2±1.0 3 1.995350.6185 3.0 2441 2.34 2±1.0 3 1.995350.6235 3.0 2480 2.66 2±1.03 1.995350.6284 3.0 8-DPSK 2402 2.14 3±1.04 2.511950.7786 3.0 2441 2.89 3±1.0 4 2.511950.7849 3.0 2480 3.20 3±1.04 2.511950.7911 3.0

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 -0.58dB 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.

Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 1 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China RF Test Report For Applicant Name:Shenzhen Ground Enterprises CO.,LTD Address: Room 607, Building F, MingYueHuaDu, Gonghe Industrial Rd, Xixiang, Bao An District, Shenzhen, 518102, China EUT Name:Karaoke Speaker Brand Name: Model Number:IQ-908K Series Model Number: KSP-002 Issued By Company Name:BTF Testing Lab (Shenzhen) Co., Ltd. Address: F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Report Number:BTF230719R00601 Test Standards:47 CFR Part 15.247 Test Conclusion:Pass FCC ID:2AMD8-IQ-908K Test Date:2023-07-10 to 2023-07-24 Date of Issue:2023-07-24 Prepared By: Elma.yang / Project Engineer Date:2023-07-24 Approved By: Ryan.CJ / EMC Manager Date:2023-07-24 Note: All the test results in this report only related to the testing samples. Which can be duplicated completely for the legal use with approval of applicant; it shall not be reproduced except in full without the written approval of BTF Testing Lab (Shenzhen) Co., Ltd., All the objections should be raised within thirty days from the date of issue. To validate the report, you can contact us. Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 2 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Revision History VersionIssue DateRevisions Content R_V02023-07-24Original Note: Once the revision has been made, then previous versions reports are invalid. Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 3 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Table of Contents 1 INTRODUCTION................................................................................................................................................. 5 1.1 Identification of Testing Laboratory...................................................................................................5 1.2 Identification of the Responsible Testing Location..........................................................................5 1.3 Announcement......................................................................................................................................5 2 PRODUCT INFORMATION.................................................................................................................................6 2.1 Application Information.......................................................................................................................6 2.2 Manufacturer Information....................................................................................................................6 2.3 General Description of Equipment under Test (EUT).......................................................................6 2.4 Technical Information.......................................................................................................................... 6 3 SUMMARY OF TEST RESULTS.........................................................................................................................7 3.1 Test Standards......................................................................................................................................7 3.2 Uncertainty of Test............................................................................................................................... 7 3.3 Summary of Test Result.......................................................................................................................7 4 TEST CONFIGURATION.....................................................................................................................................8 4.1 Test Equipment List............................................................................................................................. 8 4.2 Test Auxiliary Equipment...................................................................................................................13 4.3 Test Modes..........................................................................................................................................13 5 EVALUATION RESULTS (EVALUATION)........................................................................................................14 5.1 Antenna requirement..........................................................................................................................14 5.1.1 Conclusion:..............................................................................................................................14 6 RADIO SPECTRUM MATTER TEST RESULTS (RF)......................................................................................15 6.1 Conducted Emission at AC power line............................................................................................ 15 6.1.1 E.U.T. Operation:.....................................................................................................................15 6.1.2 Test Setup Diagram:................................................................................................................15 6.1.3 ................................................................................................................................................16 6.2 Occupied Bandwidth........................................................................................…

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Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 59 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 4. Number of Hopping Frequencies 4.1 HoppNum 4.1.1 Test Result Mode TX Type Frequency (MHz) Packet Type Num of Hopping Frequencies Verdict ANT1Limit GFSKSISOHOPPDH179>=15Pass Pi/4DQPSKSISOHOPP2DH179>=15Pass 8DPSKSISOHOPP3DH179>=15Pass Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 60 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 4.1.2 Test Graph Number_of_Hopping_Channel_(Hopping)_NVNT_ANT1_1-DH1_Hopping Number_of_Hopping_Channel_(Hopping)_NVNT_ANT1_2-DH1_Hopping Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 61 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Number_of_Hopping_Channel_(Hopping)_NVNT_ANT1_3-DH1_Hopping Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 62 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 5. Time of Occupancy (Dwell Time) 5.1 Ant1 5.1.1 Test Result ConditionAntennaPacket TypePulse Time(ms)HopsDwell Time(ms)Limit(s)Result NVNTANT11-DH10.378320.00120.9600.40Pass NVNTANT11-DH31.633161.00262.9130.40Pass NVNTANT11-DH52.882110.00317.0200.40Pass Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 63 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 5.1.2 Test Graph Dwell_Time_(Hopping)_NVNT_ANT1_1-DH1_2441_One_Burst_Time Dwell_Time_(Hopping)_NVNT_ANT1_1-DH1_2441_Accumulated Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 64 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Dwell_Time_(Hopping)_NVNT_ANT1_1-DH3_2441_One_Burst_Time Dwell_Time_(Hopping)_NVNT_ANT1_1-DH3_2441_Accumulated Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 65 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Dwell_Time_(Hopping)_NVNT_ANT1_1-DH5_2441_One_Burst_Time Dwell_Time_(Hopping)_NVNT_ANT1_1-DH5_2441_Accumulated Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 66 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 6. Unwanted Emissions In Non-restricted Frequency Bands 6.1 Test Graph 1_Reference_Level_NVNT_ANT1_1-DH1_2402 2_Spurious_Emissions_NVNT_ANT1_1-DH1_2402 Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 67 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 1_Reference_Level_NVNT_ANT1_1-DH1_2441 2_Spurious_Emissions_NVNT_ANT1_1-DH1_2441 Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 68 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 1_Reference_Level_NVNT_ANT1_1-DH1_2480 2_Spurious_Emissions_NVNT_ANT1_1-DH1_2480 Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 69 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 1_Reference_Level_NVNT_ANT1_2-DH1_2402 2_Spurious_Emissions_NVNT_ANT1_2-DH1_2402 Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 70 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 1_Reference_Level_NVNT_ANT1_2-DH1_2441 2_Spurious_Emissions_NVNT_ANT1_2-DH1_2441 Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 71 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 1_Reference_Level_NVNT_ANT1_2-DH1_2480 2_Spurious_Emissions_NVNT_ANT1_2-DH1_2480 Test Report Number: BTF230719R00601 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 72 of 81 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou C…

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