2AQBD-R48Remote Control Transmitter

Transmitter Manual Model:R48 Before you start using it,Please make sure to read the instruction manual carefully.Following and respecting the instructions in your manual will prevent damage to your instrument and loss of your statutory rights arising from defects due to incorrect use. Please take particular note of the safety advice! Please keep this instruction manual for future reference. 1. Temperature range: +70°C to 40°C 2. Humidity range:20%-99% 3. Lowe battery indicator 4. 3 Channels 5. RF distance: 100 meters 6. Functions: 7.1 One button: TX, press it once to send the signal one time. 7.2 When put the battery into it, it will test the temperature and humidity and sent the data one time. Keep this instrument and the batteries out of reach of children. Batteries contain harmful acids and may be hazardous if swallowed. If a battery is swallowed, this can lead to serious internal burns and death within two hours. If you suspect a battery could have been swallowed or otherwise caught in the body, seek medical help immediately. FCC Statement 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.

Fujian Youtong Industries Co.,Ltd Long Term Confidentiality Request Letter 2020-11-26 Eurofins MET Labs 914 West Patapsco Avenue Baltimore, MD21230 RE: Confidentiality request for（Transmitter/R48/2AQBD-R48）To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Block Diagram, Schematic diagram, Operational Description) required to be submitted with this application be permanently withheld from public review. These documents contain detailed system and equipment description and related information about the product which Fujian Youtong Industries Co.,Ltd considers to be proprietary, confidential and a custom design and otherwise would not release to the general public. Since the design is a basis from which future technological products will evolve, Fujian Youtong Industries Co.,Ltd considers that this information would be of benefit to its competitors and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name:Dongsheng Huang Job Title:General Manager Address: North part of 1st, 2nd-3rd floor, Building 1#, M9511 industries Park, No.18, Majiang Road, Mawei District, Fuzhou City, Fujian, China

APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model:R48 Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10

Transmitter Model:R48 FCC ID:2AQBD‐R48

APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model:R48 Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 ANTENNA Photo 9

Page1of24ReportNo.:UNIA20112491ER-01 FCCRADIOTESTREPORT FCCID:2AQBD-R48 Product： Transmitter TradeName： N/A ModelName： R48 SerialModel： N/A ReportNo.： UNIA20112491ER-01 Preparedfor FujianYoutongIndustriesCo.,Ltd. Northpartof1st,2nd-3rdfloor,Building1#,M9511industriesPark,No.18,MajiangRoad, MaweiDistrict,FuzhouCity,Fujian,China Preparedby ShenzhenUnitedTestingTechnologyCo.,Ltd. 2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Page2of24ReportNo.:UNIA20112491ER-01 TESTRESULTCERTIFICATION Applicant’sname....................: FujianYoutongIndustriesCo.,Ltd. Address......................................: Northpartof1st,2nd-3rdfloor,Building1#,M9511industriesPark,No.18, MajiangRoad,MaweiDistrict,FuzhouCity,Fujian,China Manufacture'sName..............: FujianYoutongIndustriesCo.,Ltd. Address ...................................... :Northpartof1st,2nd-3rdfloor,Building1#,M9511industriesPark,No.18, MajiangRoad,MaweiDistrict,FuzhouCity,Fujian,China Productdescription Productname...............................: Transmitter TradeMark ................................. : N/A Modeland/ortypereference.:R48 Standards..................................: FCCPart15SubpartC15.231 ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyShenzhenUnitedTestingTechnology Co.,Ltd.,andthetestresultsshowthattheequipmentundertest(EUT)isincompliance withtheFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthe report. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofUNI,this documentmaybealteredorrevisedbyShenzhenUnitedTestingTechnologyCo.,Ltd., personnelonly,andshallbenotedintherevisionofthedocument. DateofTest...............................................: November.01,2020 Date(s)ofperformanceoftests...............: November.01,2020--November.16,2020 DateofIssue..............................................: November.16,2020 TestResult..................................................:Pass Preparedby: Bobliao/Editor Reviewer: Kahnyang/Supervisor Approved&AuthorizedSigner: Liuze/Manager Page3of24ReportNo.:UNIA20112491ER-01 TableofContents 1TESTSUMMARY ............................................................................................................................................................... 4 2GENERALINFORMATION ................................................................................................................................................. 5 2.1ENVIRONMENTALCONDITIONS .................................................................................................................................. 5 2.2GENERALDESCRIPTIONOFEUT .................................................................................................................................. 5 2.3CARRIERFREQUENCYOFCHANNELS .......................................................................................................................... 5 2.4OPARATIONOFEUTDURINGTESTING ....................................................................................................................... 6 2.5DESCRIPTIONOFTESTSETUP ...................................................................................................................................... 6 3.1MEASUREMENTINSTRUMENTSLIST .......................................................................................................................... 7 3TESTCONDITIONSANDRESULTS .................................................................................................................................... 8 3.2CONDUCTEDEMISSIONSTEST .................................................................................................................................... 8 3.3RADIATEDEMISSIONTEST .......................................................................................................................................... 9 3.4-20dbOCCUPIEDBANDWIDTH ................................................................................................................................. 17 3.5Releasetimemeasurement ...................................................................................................................................... 18 3.6Averagefactormeasurement .................................................................................................................................. 20 3.7ANTENNAREQUIREMENT ......................................................................................................................................... 23 4PHOTOGRAPHOFTEST .................................................................................................................................................. 24 Page4of24ReportNo.:UNIA20112491ER-01 1TESTSUMMARY TESTPROCEDURESANDRESULTS FCCandICRequirements FCCPart15.207ConductedEmission N/A FCCPart15.231(e) RadiatedEmission Compliant FCCPart15.231(c) 20dBBandwidth Compliant FCCPart15.231(e)ReleaseTimeMeasurement Compliant FCCPart15.203AntennaRequirement Compliant Theproductisaactivatedautomaticallytransmitter. TESTFACILITY TestFirm:ShenzhenUnitedTestingTechnologyCo.,Ltd. Address:2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Thetestingqualityabilityofourlaboratorymeetwith"QualityLawofPeople'sRepublicofChina" Clause19.ThetestingqualitysystemofourlaboratorymeetswithISO/IEC-17025requirements, whichisapprovedbyCNAS.ThisapprovalresultisacceptedbyMRAofAPLAC. Ourtestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: CNAS-LABCode:L6494 TheEMCLaboratoryhasbeenassessedandincompliancewithCNAS-CL01accreditationcriteria fortestingLaboratories(identicaltoISO/IEC17025:2017GeneralRequirements)forthe CompetenceoftestingLaboratories. DesignationNumber:CN1227 TestFirmRegistrationNumber:674885 TheEMCLaboratoryhasbeenregisteredandfullydescribedinareportfiledwiththe(FCC) FederalCommunicationscommission.TheacceptanceletterfromtheFCCismaintainedinour f…

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Setup photo Model:R48 Radiation L Radiation H Conducted Measurement