2AYOQ-BTC-FIVE5.3 Bluetooth Streaming Audio Receiver

SPIRITLLC 2024.08.30 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing SUBJECT:FCCApplicationforFCCID:(2AYOQ-BTC-FIVE) ToWhomItMayConcern: SPIRITLLC(“theapplicant”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorization pursuanttosection2.903oftheFCCrules. Sincerely, Signature: Printname:AlbertoSusterman

SPIRITLLC 2024.08.30 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing SUBJECT:FCCApplicationforFCCID:(2AYOQ-BTC-FIVE) ToWhomItMayConcern: SPIRITLLC(“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication, theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityorany ofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, Signature: Printname:AlbertoSusterman

SPIRITLLC U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:9/3/2024 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID：2AYOQ-BTC-FIVE SPIRITLLC(“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication,SPIRITLLC (“theagent”)isourdesignatedU.S.agentforserviceofprocessfortheabovereferenceFCCID. TheapplicantacceptstomaintainanagentforserviceofprocessintheUnitedStatesfornoless thanoneyearaftereitherthegranteehaspermanentlyterminatedallmarketingandimportationof theapplicableequipmentwithintheU.S.,ortheconclusionofanyCommission-related administrativeorjudicialproceedinginvolvingtheequipment,whicheverislater.Theapplicant furtheracknowledgesitisourresponsibilitytoinformtheFCCwhenevertheagentinformation changes. SPIRITLLC("theagent)understanditistheagent'sobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S.addressand emailaddress. DesignatedU.S.Agent CompanyName: SPIRITLLC FRN:0030403513 GC:2AYOQ Address: 1400NW159THST,BAY101MIAMIGARDENS,FL 33169 Signature: ContactPerson:AlbertoSusterman Tel:+19545920227Email:[email protected] Applicant CompanyName: SPIRITLLC Address: 1400NW159THST,BAY101MIAMIGARDENS,FL 33169 Signature: ContactPerson:AlbertoSusterman GC:2AYOQ FRN:0030403513 Tel:+19545920227Email:[email protected]

<SPIRITLLC> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:9/3/2024 Subject;RequestforConfidentiality FCCID:2AYOQ-BTC-FIVE ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram OperationalDescription Tuneupprocedure BOM 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:AlbertoSusterman Title:manager Email:[email protected]

SPIRITLLC Date:September3,2024 FCCID:2AYOQ-BTC-FIVE ModelNumber:BTC-FIVE To: FederalCommunicationCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,SPIRITLLCdeclarethatthisEUT(FCCID:2AYOQ-BTC-FIVE)will conductFCCcompliancetesting,theSDOCpartrecognizedtestlab(Shenzhen NTEKTestingTechnologyCo.,Ltd.(ShenZhenLab.).1/F,BuildingE,Fenda SciencePark,SanweiCommunity,XixiangStreetBao’anDistrict,Shenzhen 518126P.R.China) Pleasecontactmeifyouhaveanyquestion. Sincerely, (Signed) Name/Title:AlbertoSusterman/manager Company:SPIRITLLC Address:1400NW159THST,BAY101MIAMIGARDENS,FL33169

M:\MasterDocuments\TEMPLATES\POA_Letter.doc (SPIRITLLC) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:9/3/2024 SUBJECT:FCCApplicationforFCCID:2AYOQ-BTC-FIVE ToWhomItMayConcern: We,theundersigned,herebyauthorizeAlexLiatShenzhenNTEKTestingTechnology Co.,Ltd.onourbehalf,toapplytotheFederalCommunicationsCommissiononour equipment.AnyandallactscarriedoutbyShenzhenNTEKTestingTechnologyCo.,Ltd. onourbehalfshallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, (signature) (printedname):AlbertoSusterman

Manufacturer:Spirit LLC Address:1400 NW 159th St bay 101, Miami Gardens, FL 33169 FCC ID:2AYOQ-BTC-FIVE BTC-FIVE 5.3 BLUETOOTH STREAMING AUDIO RECEIVER 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 receives, including interference that may cause undesired operation.� Made in China

FCC ID:2AYOQ-BTC-FIVE Maximum Permissible Exposure (MPE) According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) MPE Calculation Method E (V/m) ＝ d GP**30 Power Density: Pd (W/m²) ＝ 377 2 E E ＝ Electric field (V/m) P ＝ Average RF output power (W) G ＝ EUT Antenna numeric gain (numeric) d ＝ Separation distance between radiator and human body (m) The formula can be changed to Pd ＝ 2 *377 **30 D GP From the EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained. BT: Measurement Result Operation Frequency: 2402MHz~2480MHz Power density limited: 1mW/ cm 2 Antenna Type: PCB antenna Antenna gain: -2dBi; R=20cm mW=10^(dBm/10) antenna gain Numeric=10^(dBi/10) conducted power Evaluation result Power density Limits (dBm)(mW)(dBi)Numeric 2402 -8.88 -9±1-8 0.158-20.630.00001 2441 -9.87 -10±1-9 0.126-20.630.00001 2480 -11.34 -11±1-10 0.100-20.630.00001 2402 -7.47 -8±1-7 0.200-20.630.00001 2441 -8.7 -9±1-8 0.158-20.630.00001 2480 -11.67 -11±1-10 0.100-20.630.00001 2402 -7.13 -7±1-6 0.251-20.630.00001 2441 -7.86 -8±1-7 0.200-20.630.00001 2480 -11.71 -11±1-10 0.100-20.630.00001 Channel Freq. (MHz) modulation Tune-up power (dBm) (dBm) 2DH5 3DH5 (mW/cm2 )(mW/cm2) Antenna Gain DH5 Max tune-up power Signature: Date: 2024-9-06 NAME AND TITLE (Please print or type): alex li/Manager COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen P.R. China.

Report No.: S24062504301001 RADIO TEST REPORT FCC ID: 2AYOQ-BTC-FIVE Product: 5.3 Bluetooth Streaming Audio Receiver Trade Mark: DS18 Model No.: BTC-FIVE Family Model: N/A Report No.: S24062504301001 Issue Date: Jul. 31, 2024 Prepared for SPIRIT LLC 1400NW 159TH ST, BAY 101 MIAMI GARDENS, FL 33169 Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen 518126 P.R. China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Version.1.3 Page 1 of 94 Report No.: S24062504301001 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION ...................................................................................................................... 3 2 SUMMARY OF TEST RESULT S ......................................................................................................................... 4 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 5 3.1 FACILITIES..................................................................................................................................................... 5 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 5 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 5 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 6 5 DESCRIPTION OF TEST MODES ..................................................................................................................... 8 6 SETUP OF EQUIPMENT UNDER TEST ........................................................................................................... 9 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ....................................................................... 9 6.2 SUPPORT EQUIPMENT ............................................................................................................................... 10 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 11 7 TEST REQUIREMENTS .................................................................................................................................... 13 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 13 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 15 7.3 NUMBER OF HOPPING CHANNEL ........................................................................................................... 24 7.4 HOPPING CHANNEL SEPARATION MEASUREMENT ........................................................................... 25 7.5 AVERAGE TIME OF OCCUPANCY (DWELL TIME) ................................................................................ 26 7.6 20DB BANDWIDTH TEST .......................................................................................................................... 28 7.7 PEAK OUTPUT POWER .............................................................................................................................. 29 7.8 CONDUCTED BAND EDGE MEASUREMENT......................................................................................... 30 7.9 SPURIOUS RF CONDUCTED EMISSION .................................................................................................. 31 7.10 ANTENNA APPLICATION .......................................................................................................................... 32 7.11 FREQUENCY HOPPING SYSTEM (FHSS) EQUIPMENT REQUIREMENTS ......................................... 33 8 TEST RESULTS ................................................................................................................................................... 34 8.1 DWELL TIME ................................................................................................................................................... 34 8.2 MAXIMUM CONDUCTED OUTPUT POWER ....................................................................................................... 44 8.3 -20DB BANDWIDTH ........................................................................................................................................ 50 8.4 OCCUPIED CHANNEL BANDWIDTH .................................................................................................................. 56 8.5 CARRIER FREQUENCIES SEPARATION .............................................................................................................. 62 8.6 NUMBER OF HOPPING CHANNEL ..................................................................................................................... 68 8.7 BAND EDGE .................................................................................................................................................... 71 8.8 BAND EDGE(HOPPING) ................................................................................................................................... 78 8.9 CONDUCTED RF SPURIOUS EMISSION ............................................................................................................. 85 Version.1.3 Page 2 of 94 Report No.: S24062504301001 1 TEST RESULT CERTIFICATION Applicant’s name .............. SPIRIT LLC Address ............................ 1400NW 159TH ST, BAY 101 MIAMI GARDENS, FL 33169 Manufacturer's Name ....... SPIRIT LLC Address ............................ 1400NW 159TH ST, BAY 101 MIAMI GARDENS, FL 33169 Product description Product name ................... 5.3 Bluetooth Streaming Audio Receiver Trade Mark ....…

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Report No.: S24062504301001 CFS NVNT 3-DH5 2480MHz Ant1 Version.1.3 Page 67 of 94 Report No.: S24062504301001 8.6 NUMBER OF HOPPING CHANNEL Condition Mode Antenna Hopping Number Limit Verdict NVNT 1-DH5 Ant1 79 15 Pass NVNT 2-DH5 Ant1 79 15 Pass NVNT 3-DH5 Ant1 79 15 Pass Version.1.3 Page 68 of 94 Report No.: S24062504301001 Test Graphs Hopping No. NVNT 1-DH5 2402MHz Ant1 Hopping No. NVNT 2-DH5 2402MHz Ant1 Version.1.3 Page 69 of 94 Report No.: S24062504301001 Hopping No. NVNT 3-DH5 2402MHz Ant1 Version.1.3 Page 70 of 94 Report No.: S24062504301001 8.7 BAND EDGE Condition Mode Frequency (MHz) Antenna Hopping Mode Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH5 2402 Ant1 No-Hopping -41.21 -20 Pass NVNT 1-DH5 2480 Ant1 No-Hopping -39.34 -20 Pass NVNT 2-DH5 2402 Ant1 No-Hopping -40.57 -20 Pass NVNT 2-DH5 2480 Ant1 No-Hopping -37.15 -20 Pass NVNT 3-DH5 2402 Ant1 No-Hopping -40.82 -20 Pass NVNT 3-DH5 2480 Ant1 No-Hopping -38.19 -20 Pass Version.1.3 Page 71 of 94 Report No.: S24062504301001 Test Graphs Band Edge NVNT 1-DH5 2402MHz Ant1 No-Hopping Ref Band Edge NVNT 1-DH5 2402MHz Ant1 No-Hopping Emission Version.1.3 Page 72 of 94 Report No.: S24062504301001 Band Edge NVNT 1-DH5 2480MHz Ant1 No-Hopping Ref Band Edge NVNT 1-DH5 2480MHz Ant1 No-Hopping Emission Version.1.3 Page 73 of 94 Report No.: S24062504301001 Band Edge NVNT 2-DH5 2402MHz Ant1 No-Hopping Ref Band Edge NVNT 2-DH5 2402MHz Ant1 No-Hopping Emission Version.1.3 Page 74 of 94 Report No.: S24062504301001 Band Edge NVNT 2-DH5 2480MHz Ant1 No-Hopping Ref Band Edge NVNT 2-DH5 2480MHz Ant1 No-Hopping Emission Version.1.3 Page 75 of 94 Report No.: S24062504301001 Band Edge NVNT 3-DH5 2402MHz Ant1 No-Hopping Ref Band Edge NVNT 3-DH5 2402MHz Ant1 No-Hopping Emission Version.1.3 Page 76 of 94 Report No.: S24062504301001 Band Edge NVNT 3-DH5 2480MHz Ant1 No-Hopping Ref Band Edge NVNT 3-DH5 2480MHz Ant1 No-Hopping Emission Version.1.3 Page 77 of 94 Report No.: S24062504301001 8.8 BAND EDGE(HOPPING) Condition Mode Frequency (MHz) Antenna Hopping Mode Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH5 2402 Ant1 Hopping -48.97 -20 Pass NVNT 1-DH5 2480 Ant1 Hopping -44.94 -20 Pass NVNT 2-DH5 2402 Ant1 Hopping -48.43 -20 Pass NVNT 2-DH5 2480 Ant1 Hopping -44.83 -20 Pass NVNT 3-DH5 2402 Ant1 Hopping -49.11 -20 Pass NVNT 3-DH5 2480 Ant1 Hopping -45.93 -20 Pass Version.1.3 Page 78 of 94 Report No.: S24062504301001 Test Graphs Band Edge(Hopping) NVNT 1-DH5 2402MHz Ant1 Hopping Ref Band Edge(Hopping) NVNT 1-DH5 2402MHz Ant1 Hopping Emission Version.1.3 Page 79 of 94 Report No.: S24062504301001 Band Edge(Hopping) NVNT 1-DH5 2480MHz Ant1 Hopping Ref Band Edge(Hopping) NVNT 1-DH5 2480MHz Ant1 Hopping Emission Version.1.3 Page 80 of 94 Report No.: S24062504301001 Band Edge(Hopping) NVNT 2-DH5 2402MHz Ant1 Hopping Ref Band Edge(Hopping) NVNT 2-DH5 2402MHz Ant1 Hopping Emission Version.1.3 Page 81 of 94 Report No.: S24062504301001 Band Edge(Hopping) NVNT 2-DH5 2480MHz Ant1 Hopping Ref Band Edge(Hopping) NVNT 2-DH5 2480MHz Ant1 Hopping Emission Version.1.3 Page 82 of 94 Report No.: S24062504301001 Band Edge(Hopping) NVNT 3-DH5 2402MHz Ant1 Hopping Ref Band Edge(Hopping) NVNT 3-DH5 2402MHz Ant1 Hopping Emission Version.1.3 Page 83 of 94 Report No.: S24062504301001 Band Edge(Hopping) NVNT 3-DH5 2480MHz Ant1 Hopping Ref Band Edge(Hopping) NVNT 3-DH5 2480MHz Ant1 Hopping Emission Version.1.3 Page 84 of 94 Report No.: S24062504301001 8.9 CONDUCTED RF SPURIOUS EMISSION Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH5 2402 Ant1 -39.71 -20 Pass NVNT 1-DH5 2441 Ant1 -41.24 -20 Pass NVNT 1-DH5 2480 Ant1 -34.63 -20 Pass NVNT 2-DH5 2402 Ant1 -23.69 -20 Pass NVNT 2-DH5 2441 Ant1 -22.56 -20 Pass NVNT 2-DH5 2480 Ant1 -23.98 -20 Pass NVNT 3-DH5 2402 Ant1 -24.85 -20 Pass NVNT 3-DH5 2441 Ant1 -22.77 -20 Pass NVNT 3-DH5 2480 Ant1 -25.77 -20 Pass Version.1.3 Page 85 of 94 Report No.: S24062504301001 Test Graphs Tx. Spurious NVNT 1-DH5 2402MHz Ant1 Ref Tx. Spurious NVNT 1-DH5 2402MHz Ant1 Emission Version.1.3 Page 86 of 94 Report No.: S24062504301001 Tx. Spurious NVNT 1-DH5 2441MHz Ant1 Ref Tx. Spurious NVNT 1-DH5 2441MHz Ant1 Emission Version.1.3 Page 87 of 94 Report No.: S24062504301001 Tx. Spurious NVNT 1-DH5 2480MHz Ant1 Ref Tx. Spurious NVNT 1-DH5 2480MHz Ant1 Emission Version.1.3 Page 88 of 94 Report No.: S24062504301001 Tx. Spurious NVNT 2-DH5 2402MHz Ant1 Ref Tx. Spurious NVNT 2-DH5 2402MHz Ant1 Emission Version.1.3 Page 89 of 94 Report No.: S24062504301001 Tx. Spurious NVNT 2-DH5 2441MHz Ant1 Ref Tx. Spurious NVNT 2-DH5 2441MHz Ant1 Emission Version.1.3 Page 90 of 94 Report No.: S24062504301001 Tx. Spurious NVNT 2-DH5 2480MHz Ant1 Ref Tx. Spurious NVNT 2-DH5 2480MHz Ant1 Emission Version.1.3 Page 91 of 94 Report No.: S24062504301001 Tx. Spurious NVNT 3-DH5 2402MHz Ant1 Ref Tx. Spurious NVNT 3-DH5 2402MHz Ant1 Emission Version.1.3 Page 92 of 94 Report No.: S24062504301001 Tx. Spurious NVNT 3-DH5 2441MHz Ant1 Ref Tx. Spurious NVNT 3-DH5 2441MHz Ant1 Emission Version.1.3 Page 93 of 94 Report No.: S24062504301001 Tx. Spurious NVNT 3-DH5 2480MHz Ant1 Ref Tx. Spurious NVNT 3-DH5 2480MHz Ant1 Emission END OF REPORT Version.1.3 Page 94 of 94

1.Antenna Description Antenna Type PCB antenna Market name/Model name BTC-FIVE Manufacture SPIRIT “LLC” Antenna Max. Gain -2dBi Frequency Range 2400.0-2480.0MHz VSWR 1.1 2. Picture of antenna 32*42mm 3.Antenna Radiation Pattern Radiation pattern--2.402GHz Total Average Gain: -2.0 dBi Phi 0 45 90 135 180 235 270 315 Gain -2.21 -2.30 -2.22 -2.0 -2.07 -2.24 -2.32 -2.21 Radiation pattern--2.441GHz Total Average Gain: -2.13dBi Phi 0 45 90 135 180 235 270 315 Gain -2.15 -3 -2.36 -2.13 -2.08 -2.27 -2.32 -2.15 Radiation pattern--2.480GHz Total Average Gain: -2.09dBi Phi 0 45 90 135 180 235 270 315 Gain -2.14 -2.25 -2.10 -2.12 -2.09 -2.11 -2.30 -2.18