2AIL4-BH500AProjector

Date: 04/17/2018VCB_F-01: Operating Procedures Form – FCC Authorization v02 Page 1 of 1 VTIN TECHNOLOGY Co., Limited Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2021/4/1 SUBJECT: FCC Application for (FCC ID: 2AIL4-BH500A ) To Whom It May Concern: We, the undersigned, hereby authorize Alisa Feng in Shenzhen Huaxia Testing Technology Co., Ltd at 1F., Block A of Tongsheng Technology Building, Huahui Road,Dalang Street, Longhua District, Shenzhen, China on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen Huaxia Testing Technology Co., Ltdon our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, (Must be signed by the person that is listed on the FCC Website) Signature: Contact name: Derric Bai Company name:VTIN TECHNOLOGY Co., Limited Address: UNIT D 16/F ONE CAPITAL PLACE 21 LUARD ROAD WAN CHAI Hong Kong

Date: 04/17/2018VCB_F-01: Operating Procedures Form – FCC Confidentiality v02 Page 1 of 1 VTIN TECHNOLOGY Co., Limited Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AIL4-BH500A Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name 1. Block Diagram, 2. Schematics, 3. Operational Description 1. 2AIL4-BH500A -Block diagram 2. 2AIL4-BH500A -SCH 3. 2AIL4-BH500A -Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of xxxx(ie- “45”, “90” or “180”) days: Exhibit Type File Name N/A N/A Signature: Contact name:Derric Bai Company name:VTIN TECHNOLOGY Co., Limited Address:UNIT D 16/F ONE CAPITAL PLACE 21 LUARD ROAD WAN CHAI Hong Kong

FCCID:2AIL4-BH500A FCCID:2AIL4-BH500A FCCID:2AIL4-BH500A FCCID:2AIL4-BH500A

FCCID:2AIL4-BH500A FCCID:2AIL4-BH500A FCCID:2AIL4-BH500A

ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V04 ReportTemplateRevisionDate:2018-07-06 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.: CQASZ20210300255E-03 Applicant:VTINTECHNOLOGYCO.,LIMITED AddressofApplicant:UNITD16/FONECAPITALPLACE21LUARDROADWANCHAIHK EquipmentUnderTest(EUT): EUTName: Projector ModelNo.: BH500B,BH500C,A1,A2,A3,A5,A7,Q5,Q6,Q7,X5 TestModelNo.: BH500A BrandName: Victsing FCCID: 2AIL4-BH500A Standards: 47CFRPart1.1307 47CFRPart1.1310 KDB447498D01GeneralRFExposureGuidancev06 DateofReceipt:2021-3-10 DateofTest:2021-3-10to2021-3-31 DateofIssue:2021-3-31 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy： (JunLi) ReviewedBy: (AresLiu) ApprovedBy: (SheekLuo) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210300255E-03 Page:2of9 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20210300255E-03Rev.01 Initialreport 2021-3-31 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210300255E-03 Page:3of9 2Contents Page 1VERSION.............................................................................................................................................................................2 2CONTENTS.........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION....................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT....................................................................................................................................4 3.3GENERALDESCRIPTIONOFBTCLASSIC........................................................................................................................4 3.4GENERALDESCRIPTIONOF2.4GWIFI..........................................................................................................................5 4SAREVALUATION...........................................................................................................................................................6 4.1RFEXPOSURECOMPLIANCEREQUIREMENT..................................................................................................................6 4.1.1Limitst...................................................................................................................................................................6 4.1.2TestProcedure...................................................................................................................................................6 4.1.3EUTRFExposure..............................................................................................................................................7 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210300255E-03 Page:4of9 3GeneralInformation 3.1ClientInformation Applicant: VTINTECHNOLOGYCO.,LIMITED AddressofApplicant: UNITD16/FONECAPITALPLACE21LUARDROADWANCHAIHK Manufacturer: VTINTECHNOLOGYCO.,LIMITED AddressofManufacturer: UNITD16/FONECAPITALPLACE21LUARDROADWANCHAIHK Applicant: ShenzhenYingBoshiTechnologyCo.,Ltd AddressofApplicant: Room702,BuildingK,Jinchangda2000089,ShangweilndustrialPark, ZhangkengjingCommunity,GuanhuSubdistrict,LonghuaDistrict, Shenzhen 3.2GeneralDescriptionofEUT ProductName: Projector ModelNo.: BH500B,BH500C,A1,A2,A3,A5,A7,Q5,Q6,Q7,X5 TestModelNo.: BH500A TradeMark:Victsing HardwareVersion: V1.0 SoftwareVersion: V1.0 EUTPowerSupply: 120V60Hz 3.3GeneralDescriptionofBTClassic OperationFrequency: 2402MHz~2480MHz BluetoothVersion: V5.0 ModulationTechnique: FrequencyHoppingSpreadSpectrum(FHSS) ModulationType: GFSK,π/4DQPSK NumberofChannel: 79 TransferRate:1Mbps/2Mbps HoppingChannelType: AdaptiveFrequencyHoppingsystems SampleType: MobilePortableFixLocation AntennaType:PCBantenna AntennaGain:0dBi EUTPowerSupply: Input:AC100V-240V~，68W ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210300255E-03 Page:5of9 3.4GeneralDescriptionof2.4GWIFI OperationFrequency:IEEE802.11b/g/n(HT20):2412MHzto2462MHz IEEE802.11n(HT40):2422MHzto2452MHz ChannelNumbers:IEEE802.11b/g,IEEE802.11nHT20:11Channels IEEE802.11n(HT40):7Channels ChannelSeparation:5MHz TypeofModulation:IEEEfor802.11b:DSSS(CCK,DQPSK,DBPSK) IEEEfor802.11g/n(HT20)/n(HT40):OFDM ProductType:MobilePortableFixLocation TestSoftwareofEUT:RFtest(manufacturerdeclare) AntennaType:IPEXAntenna AntennaGain:0dBi EUTPowerSupply: Input:100V-240V~，68W Note: ModelNo.:BH500B,BH500C,A1,A2,A3,A5,A7,Q5,Q6,Q7,X5 OnlythemodelBH500Awastested,sincetheelectricalcircuitdesign,layout,componentsusedandinternal wiringwereidenticalfortheabovemodels,withdifferencebeingcolorofappearanceandmodelname. ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210300255E-03 Page:6of9 4SAREvaluation 4.1RFExposureComplianceRequirement 4.1.1Limitst AccordingtoFCCPart1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)radiationasspecifiedinpart1.1307(b) F=FrequencyinMHz FriisFormula Friistransmissionformula:Pd=(Pout*G)/(4*Pi*R 2 ) Where Pd=powerdensityinmW/cm2 Pout=outputpowertoantennainmW G=gainofantennainlinearscale Pi=3.14…

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Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building,Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com Report Template Version: V03 Report Template Revision Date: Mar.1st, 2017 Test Report * In the configuration tested, the EUT complied with the standards specified above. The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. 1 Cover page Report No. : CQASZ20210300255E-02 Applicant: VTIN TECHNOLOGY CO.,LIMITED Address of Applicant:UNIT D 16/F ONE CAPITAL PLACE 21 LUARD ROAD WAN CHAI HK Equipment Under Test (EUT): Product:Projector All Model No.:BH500B,BH500C, A1,A2,A3,A5,A7, Q5, Q6, Q7, X5 Test Model No.:BH500 A Brand Name:Victsing FCC ID:2AIL4-BH500 A Standards:47 CFR Part 15, Subpart C Date of Test:2021-3-10 to 2021-3-31 Date of Issue:2021-3-31 Test Result :PASS* Tested By： (Jun Li) Reviewed By: (Ares Liu ) Approved By: (Sheekluo) . Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20210300255E-02 Page:2 of 102 2Version Revision History Of Report ReportNo.Version Description Issue Date CQASZ20210300255E-02Rev.01 Initial report 2021-3-31 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20210300255E-02 Page:3 of 102 3TestSummary Test ItemTest RequirementTest methodResult Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) ANSI C63.10 2013PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 ANSI C63.10 2013PASS Conducted Peak & Average Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(3) ANSI C63.10 2013PASS 6dB Occupied Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(2) ANSI C63.10 2013PASS Power Spectral Density 47 CFR Part 15, Subpart C Section 15.247 (e) ANSI C63.10 2013PASS Band-edge for RF Conducted Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 2013PASS RF Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 2013PASS Radiated Spurious Emissions 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 2013PASS Restricted bands around fundamental frequency (Radiated Emission) 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 2013PASS Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20210300255E-02 Page:4 of 102 4 Contents Page 1 COVER PAGE.............................................................................................................................................................. 1 2 VERSION.......................................................................................................................................................................2 3 TEST SUMMARY.........................................................................................................................................................3 4CONTENTS...................................................................................................................................................................4 5 GENERAL INFORMATION........................................................................................................................................5 5.1 C LIENTINFORMATION.............................................................................................................................................5 5.2 G ENERALDESCRIPTION OFEUT...........................................................................................................................5 5.3 T ESTENVIRONMENT ANDMODE............................................................................................................................8 5.4 D ESCRIPTION OFSUPPORTUNITS...................................................................................................................... 11 5.5 T ESTLOCATION.................................................................................................................................................... 11 5.6 T ESTFACILITY...................................................................................................................................................... 11 5.7 S TATEMENT OF THE MEASUREMENT UNCERTAINTY............................................................................................12 5.8 D EVIATION FROMSTANDARDS.............................................................................................................................12 5.9 A BNORMALITIES FROMSTANDARDCONDITIONS.................................................................................................12 5.10 O THERINFORMATIONREQUESTED BY THECUSTOMER.................................................................................. 12 5.11 E QUIPMENTLIST.................................................................................................................................................13 6 TEST RESULTS AND MEASUREMENT DATA.................................................................................................. 14 6.1 A NTENNAREQUIREMENT......................................................................................................................................14 6.2 C ONDUCTEDEMISSIONS...................................................................................................................................... 15 6.3 C ONDUCTEDPEAK&AVERAGEOUTPUTPOWER..............................................................................................19 6.4 6 DBOCCUPYBANDWIDTH...................................................................................................................................21 6.5 P OWERSPECTRALDENSITY................................................................................................................................35 6.6 B AND-EDGE F…

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FCCID:2AIL4-BH500A 1Photographs-EUTTestSetup 1.1RadiatedEmission 9KHz~30MHz: 30MHz~1GHz: FCCID:2AIL4-BH500A Above1GHz: 1.2ConductedEmission