2AQQS-T1880Wireless Intercom Doorbell

T1880 User Manual Please read the manual carefully before you use the product and keep it well for future reference. Ringing Tone/ Channel Lock or Unlock Product Introduction Button Description Microphone Speaker On-off Button/ Call Button Charge Lamp Talk Button Emission status light Low Power/Pairing Pilot Lamp Indoor unit Outdoor unit Volume Button SET Button Channel+ Channel- Micro-USB Microphone Speaker Bell key/Call key Charge Lamp Talk Button Emission status light Low Power/Pairing Pilot Lamp Volume Button Channel Lock / Unlock SET Button Channel+ Hang Hole Hang Hole Channel- Micro-USB T-1880 Installation Instructions Outdoor unit installation When shipped, both the indoor unit and outdoor unit have a battery charge between 20%-30%. Please charge them fully before using. The outdoor unit should be installed next to the door on the wall. It can be secured using the provided strong double-sided tape for its rain cover. Once the outdoor unit is inside the rain cover, secure it using the small screws at the bottom to prevent theft. Alternatively, you can drill holes and secure the rain cover using screws. Choose the installation method based on your preference. Indoor unit installation The indoor unit doesn’t require installation. Press and hold the button for ≥3 seconds to turn it on and start using it immediately. Always keep the indoor unit turned on. If you have multiple indoor units, place them in different rooms and use them as intercom devices. After using, place the indoor unit back on its charging base to keep it charged and avoid auto shut-off due to low battery. Tip: Metal objects can interfere with the signal, possibly causing communication disruptions. Try to avoid installing near metal doors or security doors. Tips: The small screws are for securing the outdoor unit to prevent theft. Use the strong double-sided tape for rain cover installation without drilling. RING THE BELL RING THE BELL Instructions Using the Doorbell Speaking Speaking Channel 1 Channel 1 The outdoor unit will automatically enter a sleep (off) state after 25 seconds of no operation, and cannot be called by the indoor unit. The outdoor unit's front button is equivalent to the power-on button. After a short press, the indoor unit can communicate with the outdoor unit. Two devices cannot speak while holding down the TALK button simultaneous- ly, and both parties will not be able to hear each other. The channel between devices must be consistent to enable communication, press the right / button to hear channel voice announcement. The devices must be paired before use, otherwise, the outdoor unit may press the front button without the indoor unit sounding the bell, but still able to communicate. If this occurs, please pair them again. Press the front button on the outdoor unit briefly, and the indoor unit will ring. Hold down the TALK button on the outdoor unit and speak. The indoor unit will hear the speech in real time. Release the TALK button after speaking. After hearing the other party finish speaking through the indoor unit, press and hold the TALK button to respond. The outdoor unit can respond again or end the communication after hearing the response. 1. 2. 3. 4. 1. 2. 3. 4. 5. Important Note: The channels of the two devices must be consistent. The two devices should not press the TALK button simultaneously. ILL USAGE Long press the SET button on the right of the indoor unit for 3 seconds, and you will hear a "beep" sound. The red light will start to flash, entering the pairing mode. Press the / button on the indoor unit to select the channel to pair with (for example, channel 8); Press the front button on the outdoor unit, and then press the / button to adjust to the same channel as the indoor unit. Press the front button on the outdoor unit, and you will hear a "beep" sound from the indoor unit. The red light will go out, indicating that the pairing is complete. Pairing the Doorbell 1.Indoor unit enters pairing mode 2.The indoor and outdoor unit channels are the same 3.Press the front bu- tton on the outdoor unit Settings INDOOR-TO-INDOOR CALLS 1. 2. 3. Blinking red lamp Switch to channel 8 Deep~ Deep~ Communication between indoor units only requires the channels to be the same, without the need for pairing operations. Pressing the button on the indoor unit can call all other indoor units on the same channel. To engage in intercom conversation, simply hold down the TALK button on the indoor unit. If you do not wish to be called, you can push the / buttons to switch to another channel. 1. 2. 3. 4. Multiple outdoor units can be paired Enter the pairing mode by short pressing the front button on the new outdoor unit, then long pressing the SET button on the right for 3 seconds, and you will hear a "beep" sound. The red light will flash, indicating that the pairing mode is activated. After entering the pairing mode, press the / button on the right of the new outdoor unit to adjust to the same channel as the previously paired one. Press the front button on the original outdoor unit, and you will hear a "beep" sound from the new outdoor unit, indicating that the pairing is successful. To pair more outdoor units, please repeat the above 3 steps. For the last step, press the front button on any previously paired outdoor unit. 1. 2. 3. Switching On/Off Switch on and off the indoor unit: Press and hold the button on indoor unit and the machine is powered on successfully when you hear a “beep”. Long press the button again, hear "deep " two times to shut down. Outdoor unit switch: The outdoor unit does not need to be started. Press the front button to start the outdoor unit. If there is no operation or no intercom call within 25 seconds, it will automatically enter the shutdown state. Multiple indoor units can be paired Press and hold the SET button on the right side of the new indoor unit for 3 seconds until you hear a "beep" sound and the red light starts flashing. This indicates that the unit has entered p…

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Rev 1/26/2023 Shenzhen Todakj Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2026-01-09 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2AQQS-T1880 [Shenzhen Todakj Co., Ltd.] certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. [Shenzhen Todakj Co., Ltd.] certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, (Applicant signature) (Applicant printed name) Li Huang X Rev 1/26/2023 Shenzhen Todakj Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2026-01-09 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2AQQS-T1880 [Shenzhen Todakj Co., Ltd.] certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) ：Li Huang

Shenzhen Todakj Co., Ltd. Address:2nd Floor, Xinshidai Stationery Factory Building,Tiegang Community Xixiang Subdistrict,Bao'an District, Shenzhen, Guangdong Province,China Date: 2025-12-29 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing SUBJECT: FCC Application for FCC ID: 2AQQS-T1880 FRN: 0027727668 Shenzhen Todakj Co., Ltd. certifies that, as of the date of the filing of the application, Opuor INC is our designated U.S. agent for service of process for the above referenced FCC ID.Shenzhen Todakj Co., Ltd. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission- related proceeding involving the equipment. Opuor INC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: Opuor INC Address: 6510 S Academy Blvd Ste A 642 Colorado Springs, CO 80906 United States FRN:0036496966 Contact Person:Shuiqing Yang Tel.: (650) 315-6698 Email: [email protected] Sincerely, Signed on behalf of Shenzhen Todakj Co., Ltd. Signed on behalf of Opuor INC Name: Li Huang Name: Shuiqing Yang Title: Manager Title: Manager Date: 2025-12-29 Date: 2025-12-29

ShenzhenTodakjCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:January15,2026 Subject;RequestforConfidentiality FCCID:2AQQS-T1880 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. 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:LiHuang Title:Manager

ShenzhenTodakjCo.,Ltd. Date：2026-01-09 ProductModelNumber:T1880,DB016,T016 FCCID:2AQQS-T1880 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:Manager E-mail:[email protected] Telephone:0755-26588927 Onbehalfof:ShenzhenTodakjCo.,Ltd.

ShenzhenTodakjCo.,Ltd. 2ndFloor,XinshidaiStationeryFactoryBuilding,TiegangCommunityXixiang Subdistrict,Bao'anDistrict,Shenzhen,GuangdongProvince,China Productdifferencesstatement DATE:Jan.13,2026 We,ShenzhenTodakjCo.,Ltd., WirelessIntercomDoorbell these models T1880,DB016,T016.Theproductsareidenticalininteriorstructure,electricalcircuitsand components,justmodelnamesandcoloraredifferent.Theproducthastwokindsofsilk screenprinting.Oneisusedforoutdoor,andtheotherisusedforindoor. Company:ShenzhenTodakjCo.,Ltd. Address: 2ndFloor,XinshidaiStationeryFactoryBuilding,TiegangCommunityXixiang Subdistrict,Bao'anDistrict,Shenzhen,GuangdongProvince,China Person: LiHuang /Manager Tel: 0755-26588927 E-mail: [email protected]

FCCID:2AQQS-T1880 LabelandLocation Size:L:3.0cm*W:2.5cm LabelandLocation FCCID:2AQQS-T1880 WirelessIntercomDoorbell M/N:T1880 ShenzhenTodakjCo.,Ltd.

ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China RFExposureevaluation ReportReferenceNo........................: FCCID.................................................: GRCTR251104047-02 2AQQS-T1880 Compiledby (position+printedname+signature) .. : TestingEngineerJimmyWang Supervisedby (position+printedname+signature)..: ProjectEngineerKelleyZhang Approvedby (position+printedname+signature)..: ManagerSamWang Dateofissue.........................................:Dec.26,2025 TestingLaboratoryName................:ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address ................................................. : 101#,BuildingK&BuildingT,TheSecondIndustrialZone, JiazitangCommunity,FenghuangStreet,GuangmingDistrict, Shenzhen,China Applicant’sname ............................... :ShenzhenTodakjCo.,Ltd. Address ................................................. : 2ndFloor,XinshidaiStationeryFactoryBuilding,Tiegang CommunityXixiangSubdistrict,Bao'anDistrict,Shenzhen, GuangdongProvince,China Testspecification..............................: Standard................................................: 47CFR§2.1091 KDB447498D01v06 ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerand sourceofthematerial.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesno responsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader'sinterpretationofthe reproducedmaterialduetoitsplacementandcontext. Testitemdescription........................:WirelessIntercomDoorbell TradeMark............................................: / Manufacturer.........................................: ShenzhenTodakjCo.,Ltd. Model/Typereference.........................: T1880 ListedModels ...................................... : DB016,T016 HardwareVersion ............................... :V1.0 SoftwareVersion..................................:V1.0 Frequency..............................................FRS:462.5875MHz~462.7125MHz FRS:462.5500MHz~462.7250MHz FRS:467.5625MHz~467.7125MHz Ratings ................................................... :DC3.7Vfrombattery Result ..................................................... :PASS ReportNo.:GRCTR251104047-02Page2of9 TESTREPORT EquipmentunderTest:WirelessIntercomDoorbell Model/Type:T1880 ListedModels:DB016,T016 Applicant : ShenzhenTodakjCo.,Ltd. Address: 2ndFloor,XinshidaiStationeryFactoryBuilding,Tiegang CommunityXixiangSubdistrict,Bao'anDistrict,Shenzhen, GuangdongProvince,China Manufacturer : ShenzhenTodakjCo.,Ltd. Address: 2ndFloor,XinshidaiStationeryFactoryBuilding,Tiegang CommunityXixiangSubdistrict,Bao'anDistrict,Shenzhen, GuangdongProvince,China TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:GRCTR251104047-02Page3of9 Contents 1.SUMMARY...............................................................................................................................................4 1.1.GeneralRemarks.........................................................................................................................................4 1.2.ProductDescription....................................................................................................................................4 1.3.EquipmentUnderTest................................................................................................................................4 1.4.ShortdescriptionoftheEquipmentunderTest(EUT)............................................................................4 1.5.EUTconfiguration........................................................................................................................................4 1.6.Modifications................................................................................................................................................5 2.TESTENVIRONMENT.......................................................................................................................6 2.1.Addressofthetestlaboratory...................................................................................................................6 2.2.TestFacility..................................................................................................................................................6 2.3.Environmentalconditions...........................................................................................................................6 2.4.Statementofthemeasurementuncertainty.............................................................................................6 3.METHODOFMEASUREMENT.....................................................................................................8 3.1.ApplicableStandard....................................................................................................................................8 3.2.Limit...............................................................................................................................................................8 3.3.MPECalculationMethod.............................................................................................................................8 3.4.AntennaInformation....................................................................................................................................9 3.5.ManufacturingTolerance............................................................................................................................9 4.EVALUATIONRESULT....................................................................................................................9 5.CONCLUSION............…

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ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China TESTREPORT FCCPart95 ReportReferenceNo. ....................... : FCCID. ................................................. : GRCTR251104047-01 2AQQS-T1880 Compiledby (position+printedname+signature).: TestingEngineerJimmyWang Supervisedby (position+printedname+signature) . : ProjectEngineerKelleyZhang Approvedby (position+printedname+signature) . : ManagerSamWang Dateofissue ......................................... :Dec.26,2025 TestingLaboratoryName................:ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address.................................................: 101#,BuildingK&BuildingT,TheSecondIndustrialZone,Jiazitang Community,FenghuangStreet,GuangmingDistrict,Shenzhen,China Applicant’sname ............................... : ShenzhenTodakjCo.,Ltd. Address.................................................: 2ndFloor,XinshidaiStationeryFactoryBuilding,TiegangCommunity XixiangSubdistrict,Bao'anDistrict,Shenzhen,Guangdong Province,China Testspecification ............................... : Standard ................................................ : FCCCFRTitle47Part95B ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerand sourceofthematerial.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesno responsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader'sinterpretationofthe reproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ : WirelessIntercomDoorbell TradeMark ............................................ : / Manufacturer.......................................: ShenzhenTodakjCo.,Ltd. Model/Typereference ......................... : T1880 ListedModels ...................................... : DB016,T016 Modulation ........................................... : FM Hardwareversion.................................: V1.0 Softwareversion ................................. : V1.0 Frequency..............................................FRS:462.5875MHz~462.7125MHz FRS:462.5500MHz~462.7250MHz FRS:467.5625MHz~467.7125MHz Rating...............................................: DC3.7Vfrombattery Result ..................................................... : PASS ReportNo.:GRCTR251104047-01Page2of28 TESTREPORT EquipmentunderTest: WirelessIntercomDoorbell Model/Type: T1880 ListedModels: DB016,T016 Applicant: ShenzhenTodakjCo.,Ltd. Address: 2ndFloor,XinshidaiStationeryFactoryBuilding,Tiegang CommunityXixiangSubdistrict,Bao'anDistrict,Shenzhen, GuangdongProvince,China Manufacturer: ShenzhenTodakjCo.,Ltd. Address: 2ndFloor,XinshidaiStationeryFactoryBuilding,Tiegang CommunityXixiangSubdistrict,Bao'anDistrict,Shenzhen, GuangdongProvince,China TestresultPass Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:GRCTR251104047-01Page3of28 Contents 1SUMMARY....................................................................................................................................................................4 1.1TESTSTANDARDS..............................................................................................................................................................4 1.2TESTDESCRIPTION............................................................................................................................................................4 2GENERALINFORMATION...............................................................................................................................................5 2.1GENERALREMARKS...........................................................................................................................................................5 2.2PRODUCTDESCRIPTION......................................................................................................................................................5 2.3DESCRIPTIONOFTESTMODESANDTESTFREQUENCY.............................................................................................................5 2.4EQUIPMENTUNDERTEST...................................................................................................................................................6 2.5SHORTDESCRIPTIONOFTHEEQUIPMENTUNDERTEST(EUT)...................................................................................................6 2.6BLOCKDIAGRAMOFTESTSETUP.........................................................................................................................................6 2.7RELATEDSUBMITTAL(S)/GRANT(S)....................................................................................................................................6 2.8MODIFICATIONS................................................................................................................................................................6 3TESTENVIRONMENT.....................................................................................................................................................7 3.1ADDRESSOFTHETESTLABORATORY......................................................................................................................................7 3.2TESTFACILITY...................................................................................................................................................................7 3.3ENVIRONMENTALCONDITIONS.............................................................................................................................................7 3.4STATEMENTOFTHEMEASUREMENTUNCERTAINTY..........................................................................…

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FCCID:2AQQS-T1880 TestSetupPhotosoftheEUT TestSetupPhoto(s)ofRadiatedEmissionsMeasurement Fig.1 Fig.2 FCCID:2AQQS-T1880 TestSetupPhoto(s)ofRFMeasurement Fig.3