FCCID.CO- FCC ID Database
HomeCompaniesEquipment ClassesSearch

© 2026 FCC ID Database. All rights reserved.

AboutContactData sourced from FCC public records
  1. Home/
  2. Shenzhen Saiyinwei Electronic Co.,Ltd/
  3. 2AZVL-HYK-975

2AZVL-HYK-975Sofa sound system

Shenzhen Saiyinwei Electronic Co.,Ltd
Sofa sound system - FCC ID 2AZVL-HYK-975 - Shenzhen Saiyinwei Electronic Co.,Ltd
Click to zoom

Application Details

Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
Date of Grant
Sep 03, 2024
Application Purpose
Original Equipment
Date of Application
Sep 03, 2024
Equipment Note
Sofa sound system
Frequency Range
2402.00000000 - 2480.00000000
Company
Shenzhen Saiyinwei Electronic Co.,Ltd
Country
China

Documents & Files

Select a file to view

Users Manual

↗

Attestation Statements

↗
↗

Cover Letter(s)

↗
↗

External Photos

↗

ID Label/Location Info

↗

Internal Photos

↗

RF Exposure Info

↗

Test Report

↗
↗
↗
↗

Test Setup Photos

↗

Document Text

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

Users Manual

PRODUCT INSTRUCTION MANUAL Please read the instructions carefully before use - FEATURES INSTALLATION NOTES 1. IPHONE IPAD plays music/makes calls via Bluetooth connection 2. Hearing aid function Thank you honorable for purchasing our latest generation of multifunctional sofa speakers, the main functions of this speaker 2 1. There are dedicated sockets for the connection between the host and accessories to prevent incorrect insertion 2. The red socket on the main unit corresponds to the red plug of the woofer 3. The blue-marked horn is installed on the left side of the headrest. 4. All black speakers are installed on the right side of the head- rest. SPECIFICATIONS Power input: 29.0V / 2.0A Frequency response: 20 HZ-20 KHZ Signal to noise ratio: ≥75dB Maximum distortion: ≤ 1% Maximum output power: bass 1*50W, treble 2*5W Speaker impedance: 4 ohms Control method: remote control Bluetooth distance: straight line barrier-free distance ≥ 10 meters Bluetooth transmission frequency: 2.4G Bluetooth: version 5.3 3 PRECAUTIONS First of all, thank you for using our sofa speakers! Please read the product manual before use to ensure that you can use this product correctly. In order to better serve customers, the performance specifications of the product may change, so the content of this manual may also be updated without notice. In order to maintain good performance, do not use it in harsh environments such as too cold, too hot, dusty or humid PRODUCT ACESSORIES 1·Main unit/2·Bass speaker/3·Tweeter/4·Talk microphone/ 5·Hearing aid microphone/6·Remote control 6 29V Blue mark Left channel Black mark Right channel high-pitched speaker Bass speaker power supply Phone microphone Hearing plug 1 2 3 4 5 Status indicator light - blue light FCC Warning 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. 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 equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

Attestation Statements

{ShenzhenSaiyinweiElectronicCo.,Ltd} {3rdFloor,Building2,SanweiIndustrialPark,SanweiCommunity, Hangcheng Street,Bao ’ anDistrict,Shenzhen,China} FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 {2024-08-23} U.S.AgentDesignation NameandcompanyofU.S.agent:UUXGROUPINC PhysicalU.S.addressofagent:36South18thAvenue,SuiteABrighton,COUSA80601 FRNofU.S.agent:0033701590 EmailaddressofU.S.agent {Shenzhen Saiyinwei Electronic Co.,Ltd}acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID:{2AZVL-HYK-975}): :[email protected] {UUXGROUPINC}acknowledgestheirobligationtoacceptserviceofprocessonbehalfof{Shenzhen SaiyinweiElectronicCo.,Ltd}. {ShenzhenSaiyinweiElectronicCo.,Ltd}withtheFRN[{0030916761}]acceptsitsobligationtomaintainan agentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheveris later. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature {Alan}{Yan} {engineer} {ShenzhenSaiyinweiElectronicCo.,Ltd} Signature {JackFu} {Manager} {UUXGROUPINC} 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5

External Photos

Page1of6 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ExternalPhotos Photo1 Photo2 Page2of6 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of6 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of6 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 Page5of6 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 Photo10 Page6of6 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo11 Photo12 ------End------

ID Label/Location Info

Label FCC ID: 2AZVL-HYK-975

Internal Photos

Page1of4 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. InternalPhotos Photo1 Photo2 Page2of4 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of4 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 BTAntennaRXAntenna Page4of4 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 ------End------

RF Exposure Info

RF Exposure evaluation FCC ID: 2AZVL-HYK-975 Exposure category: General population/uncontrolled environment EUT Type: Production Unit Device Type: Mobile Device 1. Reference According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to §1.1310 and §2.1091 RF exposure is calculated. KDB447498 D01: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 2. Limit Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100) * (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100) * (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequency in MHz *=Plane-wave equivalent power density 3. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4πR² Where: S=power density P=power input to antenna G=power gain of the antenna in the direction of interest relative to an isotropic radiator R=distance to the center of radiation of the antenna 4. Antenna Information EUT can only use antennas certificated as follows provided by manufacturer; Antenna No. Model No. of antenna: Type of antenna: Gain of the antenna (Max.) Frequency range: BR-EDR / PCB Antenna -0.58dBi for 2400-2480MHz 5. Manufacturing Tolerance BR - EDR Frequency (MHz) GFSK 2402 2441 2480 Target (dBm) 1.68 1.62 0.83 Tolerance ± (dB) 1 1 1 Frequency (MHz) π/4DQPSK 2402 2441 2480 Target (dBm) 2.36 2.28 1.39 Tolerance ± (dB) 1 1 1 Frequency (MHz) 8DPSK 2402 2441 2480 Target (dBm) 2.38 2.52 1.53 Tolerance ± (dB) 1 1 1 6. Standalone MPE Result As declared by the Applicant, the EUT is a wireless device used in a fix application, at least 20 cm from any body part of the user or nearby persons; from the maximum EUT RF output power, the minimum separation distance, r =20cm, as well as the gain of the used antenna is refer to section 4, the RF power density can be obtained. Modulation Type Output power Antenna Gain (dBi) Antenna Gain (linear) MPE (mW/cm 2 ) MPE Limits (mW/cm 2 ) dBm mW BT 3.52 2.249 -0.58 0.875 0.00039 1.0000 Remark: 1. Output power (Peak) including turn-up tolerance; 2. MPE evaluate distance is 20cm from user manual provide by manufacturer. 7. Conclusion The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure of mobile device. ----------------THE END OF REPORT---------------

Test Report

Page1of39ReportNo.:AiTDG-240724005W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:ShenzhenSaiyinweiElectronicCo.,Ltd Applicantadd.: 3rdFloor,Building2,SanweiIndustrialPark,SanweiCommunity,Hangcheng Street,Bao’anDistrict,Shenzhen,China Manufacturer:ShenzhenSaiyinweiElectronicCo.,Ltd Manufactureradd.: 3rdFloor,Building2,SanweiIndustrialPark,SanweiCommunity,Hangcheng Street,Bao’anDistrict,Shenzhen,China ProductInformation: ProductName:Sofasoundsystem ModelNo.:HYK-975 BrandName:N/A FCCID:2AZVL-HYK-975 Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:July24,2024DateofTest:July24,2024~Aug.11,2024 DateofIssue:Aug.12,2024TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthetest resultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: EmiyaLinSimbaHuang Page2of39ReportNo.:AiTDG-240724005W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 1Contents Page COVERPAGE 1CONTENTS......................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................4 2.1StatementoftheMeasurementUncertainty................................................................................4 2.2MeasurementUncertainty............................................................................................................4 3TESTFACILITY..............................................................................................................................................................5 3.1Deviationfromstandard...............................................................................................................5 3.2Abnormalitiesfromstandardconditions.......................................................................................5 3.3TestLocation.................................................................................................................................5 4GENERALINFORMATION...........................................................................................................................................6 4.1Testfrequencies............................................................................................................................7 4.2EUTPeripheralList.......................................................................................................................8 4.3TestPeripheralList.......................................................................................................................8 4.4TESTMETHODOLOGY...............................................................................................................9 4.5DescriptionofTestModes..........................................................................................................10 5EQUIPMENTUSEDDURINGTEST.........................................................................................................................11 6TESTRESULTSANDMEASUREMENTDATA.....................................................................................................13 6.1Antennarequirement..................................................................................................................13 6.2PeakPowerMeasurement.........................................................................................................14 6.3FrequencySeparationand20dBBandwidth............................................................................16 6.4NumberofHoppingFrequency..................................................................................................18 6.5TimeofOccupancy(DwellTime)...............................................................................................19 6.6ConductedSpuriousEmissionsandBandEdgesTest.............................................................21 6.7Restrict-bandBand-edgeMeasurements..................................................................................23 6.8RadiatedEmissionsMeasurement............................................................................................25 6.9ConductedEmissions.................................................................................................................35 6.10Pseudorandomfrequencyhoppingsequence...........................................................................38 7TESTSETUPPHOTOGRAPHSOFEUT.................................................................................................................39 8EXTERNALPHOTOGRAPHSOFEUT....................................................................................................................39 9INTERNALPHOTOGRAPHSOFEUT.....................................................................................................................39 Page3of39ReportNo.:AiTDG-240724005W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. REPORTREVISERECORD Report Version ReviseTimeIssuedDateValidVersionNotes V1.0/Aug.12,2024ValidInitialrelease Page4of39ReportNo.:AiTDG-240724005W1 DongguanYaxu(AiT)TechnologyLimited…

Text truncated - open the document above for the full version.

Test Report

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.

Test Report

DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page1of61 AppendixA RFTestDataforBT(BDR/EDR)(ConductedMeasurement) ProductName:Sofasoundsystem TradeMark:N/A TestModel:HYK-975 EnvironmentalConditions Temperature:26.1°C RelativeHumidity:55.2% ATMPressure:101Kpa TestEngineer:Emiyalin Supervisedby:SimbaHaung DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page2of61 Contents Page COVERPAGE 1DutyCycle........................................................................................................................................................................................3 1.1TestResult............................................................................................................................................................................3 1.2TestGraphs...........................................................................................................................................................................4 2MaximumConductedPeakOutputPower........................................................................................................................................9 2.1TestResult............................................................................................................................................................................9 2.2TestGraphs.........................................................................................................................................................................10 320dBBandwidth..............................................................................................................................................................................15 3.1TestResult..........................................................................................................................................................................15 3.2TestGraphs.........................................................................................................................................................................16 4CarrierFrequencySeparation.........................................................................................................................................................21 4.1TestResult..........................................................................................................................................................................21 4.2TestGraphs.........................................................................................................................................................................22 5HoppingChannelNumber...............................................................................................................................................................24 5.1TestResult..........................................................................................................................................................................24 5.2TestGraphs.........................................................................................................................................................................25 6DwellTime......................................................................................................................................................................................27 6.1TestResult..........................................................................................................................................................................27 6.2TestGraphs.........................................................................................................................................................................28 7RFConductedSpuriousEmissions.................................................................................................................................................31 7.1TestResult..........................................................................................................................................................................31 7.2TestGraphs.........................................................................................................................................................................32 8Band-edgeforRFConductedEmissions........................................................................................................................................41 8.1TestResult..........................................................................................................................................................................41 8.2TestGraphs.........................................................................................................................................................................42 9Restrict-bandband-edgemeasurements........................................................................................................................................54 9.1TestResult..........................................................................................................................................................................54 9.2TestGraphs.........................................................................................................................................................................56 DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page3of61 1DutyCycle 1.1TestResult ModeFrequency(MHz)DutyCycle(%)Correction Factor 1/T(kHz) 1-DH12402324.952.56 1-DH1244131.25.062.63 1-DH1248031.215.062.63 2-DH1240232.84.842.5 2-DH12441324.952.56 2-DH1248032.84.842.5 3-DH12402324.952.56 3-DH12441324.952.56 3-DH1248032.014.952.56 DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page4of61 1.2TestGraphs TestGraphs 1-DH12402MHz 1-DH12441MHz DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG…

Text truncated - open the document above for the full version.

Test Report

DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page35of61 π/4DQPSK_LCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page36of61 π/4DQPSK_MCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page37of61 π/4DQPSK_HCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page38of61 8DPSK_LCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page39of61 8DPSK_MCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page40of61 8DPSK_HCH_Graphs Pref Puw DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page41of61 8Band-edgeforRFConductedEmissions 8.1TestResult Mode Channe l Carrier Frequency [MHz] Frequenc yHopping MaxSpurious Level[dBc] Limit [dBc] Verdict GFSK LCH2402 Off-57.18-20Pass On-53.87-20Pass HCH2480 Off-55.33-20Pass On-52.53-20Pass π/4DQPSK LCH2402 Off-56.31-20Pass On-53.45-20Pass HCH2480 Off-56.74-20Pass On-50.59-20Pass 8DPSK LCH2402 Off-56.78-20Pass On-54.56-20Pass HCH2480 Off-55.29-20Pass On-51.7-20Pass DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page42of61 8.2TestGraphs TestGraphs Pref GFSK/LCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page43of61 Ref GFSK/LCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page44of61 Ref GFSK/HCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page45of61 Ref. GFSK/HCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page46of61 Ref π/4DQPSK/LCH/No Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page47of61 Ref π/4DQPSK/LCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page48of61 Ref π/4DQPSK/HCH/No Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page49of61 Ref π/4DQPSK/HCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page50of61 Ref 8DPSK/LCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page51of61 Ref 8DPSK/LCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page52of61 Ref 8DPSK/HCH/NoHop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page53of61 Ref 8DPSK/HCH/Hop DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page54of61 9Restrict-bandband-edgemeasurements 9.1 TestResult Test Mode HoppingFreq. Power [dBm] Gain Duty Factor E [dBuV/m] Detector Limit [dBuV/m] Verdict GFSK Off2310.0-49.332-47.93PEAK74Pass Off2310.0-57.8324.9544.38AV54Pass Off2338.032-45.612-51.65PEAK74Pass Off2339.472-54.4124.9547.8AV54Pass Off2390.0-48.562-48.7PEAK74Pass Off2390.0-56.9124.9545.3AV54Pass Off2483.5-50.012-47.25PEAK74Pass Off2483.5-55.5425.0646.78AV54Pass Off2487.376-46.92-50.36PEAK74Pass Off2496.952-55.525.0646.82AV54Pass Off2500.0-48.832-48.43PEAK74Pass Off2500.0-56.4225.0645.9AV54Pass π/4DQPSK Off2310.0-50.092-47.17PEAK74Pass Off2310.0-56.5124.8445.59AV54Pass Off2365.68-45.442-51.82PEAK74Pass Off2337.936-54.0224.8448.08AV54Pass Off2390.0-49.122-48.14PEAK74Pass Off2390.0-56.4324.8445.67AV54Pass Off2483.5-46.632-50.63PEAK74Pass Off2483.5-56.7124.8445.39AV54Pass Off2483.752-46.262-51PEAK74Pass Off2488.816-55.8124.8446.29AV54Pass Off2500.0-47.592-49.67PEAK74Pass Off2500.0-56.5324.8445.57AV54Pass 8DPSK Off2310.0-49.912-47.35PEAK74Pass Off2310.0-56.5324.9545.68AV54Pass Off2369.136-46.512-50.75PEAK74Pass Off2341.2-54.6224.9547.59AV54Pass DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page55of61 Off2390.0-49.62-47.66PEAK74Pass Off2390.0-56.8724.9545.34AV54Pass Off2483.5-49.892-47.37PEAK74Pass Off2483.5-56.424.9545.81AV54Pass Off2490.952-472-50.26PEAK74Pass Off2487.424-55.2524.9546.96AV54Pass Off2500.0-49.552-47.71PEAK74Pass Off2500.0-56.1924.9546.02AV54Pass DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page56of61 9.2TestGraphs Restrict-bandband-edgemeasurements_HoppingOff_GFSK_PEAK(LowChannel) Restrict-bandband-edgemeasurements_HoppingOff_GFSK_Average(LowChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page57of61 Restrict-bandband-edgemeasurements_HoppingOff_GFSK_PEAK(HighChannel) Restrict-bandband-edgemeasurements_HoppingOff_GFSK_Average(HighChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page58of61 Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_PEAK(LowChannel) Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_Average(LowChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page59of61 Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_PEAK(HighChannel) Restrict-bandband-edgemeasurements_HoppingOff_π/4-DQPSK_Average(HighChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page60of61 Restrict-bandband-edgemeasurements_HoppingOff_8DPSK_PEAK(LowChannel) Restrict-bandband-edgemeasurements_HoppingOff_8DPSK_Average(LowChannel) DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240724005W1 FCCID:2AZVL-HYK-975 Page61of61 Restrict-bandband-edgemeasurements_HoppingOff_8DPSK_PEAK(HighChannel) Restrict-bandband-edgemeasurements_HoppingOff_8DPSK_Average(HighChannel) ---TheEnd---

Test Setup Photos

Page1of2 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TestSetupPhoto RadiatedEmission Page2of2 FCCID:2AZVL-HYK-975 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ConductedEmission ------End------

Contact Information

Applicant

Alan Yan(engineer)
[email protected]+86-0755-29483001Fax: +86-0755-29483835

Test Firm

Dongguan Yaxu (AiT) Technology LimitedCoin Tang
[email protected]+86 0769-82020499-21

Technical Specifications

#Rule PartsFrequency RangePower Output
115C2.40 GHz - 2.48 GHz1.80 mW
Confidentiality
Long Term
Grant Notes
Output Power listed is peak conducted. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.

Other Applications from Shenzhen Saiyinwei Electronic Co.,Ltd

Sofa sound system - FCC ID 2AZVL-S400-MAIN - Shenzhen Saiyinwei Electronic Co.,Ltd
2AZVL-S400-MAIN

Sofa sound system

Mar 18, 2026

Equipment Class

DSS - Part 15 Spread Spectrum Transmitter
Sofa sound system - FCC ID 2AZVL-S500-MAIN - Shenzhen Saiyinwei Electronic Co.,Ltd
2AZVL-S500-MAIN

Sofa sound system

Mar 16, 2026

Equipment Class

DSS - Part 15 Spread Spectrum Transmitter
Sofa sound - FCC ID 2AZVL-HYK-896 - Shenzhen Saiyinwei Electronic Co.,Ltd
2AZVL-HYK-896

Sofa sound

Jul 04, 2023

Equipment Class

DSS - Part 15 Spread Spectrum Transmitter
Sofa speaker - FCC ID 2AZVL-HYKSF003 - Shenzhen Saiyinwei Electronic Co.,Ltd
2AZVL-HYKSF003

Sofa speaker

May 22, 2021

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter