2A4EP-WG03WiFi Hub

USER MANUAL Wifi Hub Model: WG03 Thank You! Need Help? : [email protected] 1. Product Appearance 1 Packing List 1Water Timer*1 21/2"inlet adapter*1 3Threaded connector*1 4Thread Seal Tape*1 5Instruction*1 Filter Hose Faucet Connection LED Light Control Button LED Light ON/OFF Button Outlet fitting 3/4” 3/4" inlet adapter 2.Product Specifications 3.Important Tips 1. Please do not use Carbon-zinc or rechargable batteries. 2. Do not use your timer when the air temperature is below 3°C(37°F), the timers should be removed from the hose faucet and stored indoors to avoid potential frozen damage. 3. When replacing the power unit, please make sure that the water timer is dry. 4. Filter can trap dirt particles, please clean filter regularly and replace if worn to prevent blockage. 5. The valve will shut down automatically when the voltage is lower than 4.3V. 6. The range of connection and control is within 60m of the open area. 7. Do not put the water valve in underground water valve box or in the place where the signal may be blocked. 8. Make sure the device is connected to 2.4GHz Wifi frequency. Water Timer: WT-07W 1. Working Water Pressure: 0.5bar-8bar (7.25 psi-116.03 psi 2. Working Temperature: 3°C-50°C (37°F-122°F) 3. Waterproof Level: IP54 4. Power Supply: 4 x AA batteries WiFi hub: WG03 1Wi-Fi Band: 2.4 GHz only. 2WiFi hub: up to 196 feet(60m). 3Input voltage110V-220V, frequen- cy: 433.92MHZ 2 4. Mode Of Operation Download"HOMGAR" app and register. 1 Pairing hub 2-1. Connect hub to powersource, press and hold for 5-10 sec until blue light flashes to enter pairing mode. 2-2. Hub matching method 1: Smart pairing Matching order: "+" (Home) "socket hub" set WIFI information with correct WIFI password make sure the hub is powered on, press and hold the hub button until the light flashes quickly set the device name. Note: If the network pairing fails within 120 seconds, check the settings and retry, or switch the pairing method into the AP pairing. 2 3 IOSAndroid home Adding a valve 3-1. Put batteries in the valve and connect it to water pipe, press and hold the button on the valve for 5-10 sec until red light flashes to enter pairing mode. Note: make sure the water value is closed 3-2.Pairing steps“+”to enter main page select “1-zone water timer””Next"Pair your device complete. 3 2-3. Hub matching method 2: AP networking Matching order: "+" (Home) "socket hub" Set WIFI information with correct WIFI password When the device is in smart pairing mode, press the button to enter AP pairing Switch the pairing mode Connect the phone to HomGar_xxx Hotspot Set the device name. 4 Operating Interface 4-1. Watering schedule (1)Misting mode Set start time(0000-2359)Total misting length(1min-12h)Misting duration(5s-60min)Misting inverval (5s-60min)Watering program frequen- cy(Everyday, Odd days, Even days, Custom) 4 5 Setting When there is no watering schedule, the screen displays: No current watering schedule When there is a watering schedule, the screen displays: remaining watering hours/next run �me Watering schdule Rain delay Start watering immediatel y Mist 6 (2) Irrigation mode Set start time(0000-2359)Total irrigation length(1min-12h)Irrigation frequency(Everyday, Odd days, Even days, Custom) Total mis�ng length One day Start �me ... ... Total irriga�on length One day Start �me Irrigation 7 (3) Schedule Calender Able to check watering schedule for current month, the little dot under the date represents watering times for current date. 4-2. Rain delay Set up Rain delay duration (24H, 48H, 72H), remaining watering time will be displayed, it will stop automatically when time's up, or shut down manually before time's up. 4-3. Manual Watering Set up manual watering duration (1 min- 12h), remaining watering time will be displayed, it will stop automatically when time's up, or shut down manually before time's up. Note: Up to 6 watering schedules can be set at the same time. when preset program is in conflict with other zones, turning on water valve will lower water flow. Note: After turning on "rain delay" or "Manuel watering", the Auto watering program will stop, after stopping manual watering, the program will resume but the remain watering duration for the relap period of the program will not be executed. HMin 8 4-4. Setting (1) Zone Setting Click Zone1 to change Zone name and default watering time. (2)Custom interface Change into your preferable background picture and font. Amazon Alexa Open the Alexa app on your phone, log in successfully and select "Skills&Games" on the “MORE” page. -Search for "Homgar Intelligence" and select it. -Click "Enable to use" to enable the skill. -Enter your HOMGAR APP account & password, then click "Sign In" to bind your HOMGAR APP account and activate your device. Voice commands. Alexaopen "zone name " Alexaclose "zone name " Google Assistant Open the Google Home app on your phone, sign in, click the "+" symbol in the upper left corner, then click the "Set up device" option, and select "Use Google" . Enter your account password via "HomgarSmart" to bind your app account and allow it to access your Google account Voice commands. okGoogleopen "zone name " okGoogleclose "zone name " 5. FAQ 9 Q1: Why doesn't the water timer opened/closed within the preset time? The program is incorrect The water pressure is too low. There are particles of dirt or debris inside the valve. There are overlapped plan in the multiple set start times. Q2: Why does the network connection fail? Please check if the icon is selected correctly in the app. If the device is already connected to another cell phone, please disconnect first. Turn off the WLAN connection of your phone and turn it on again. Make sure there is sufficient battery power and place the water valve as close as possible to the gateway. There are too many devices connected to the router and the WLAN signal is unstable. Pairing is only to be performed on 2.4G WLAN networks. It is not possible to connect the gateway and water valv…

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1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: EMCTEK FRN: 0022401829 Contact Name: Fang Liu Address: 11788 Big Canyon Ln, San Diego, CA 92131 USA Telephone No: +1 (800) 656 7675 Email: [email protected] Applicant: Company name: Zhuhai Tessan Power Technology Co., Ltd. Product Description: Wifi Hub Grantee code: 2A4EP FCC ID: 2A4EP-WG03 Contact Name: Lyu Shaopeng Address: Building 14, Xiangzhou Chuanggang Center, No.199, Weikang Road, Xiangzhou District, Zhuhai, Guangdong Province, China Telephone No:0571-89774128 Email: [email protected] [Zhuhai Tessan Power Technology Co., Ltd.] certifies that, as of the date of this filing of the application with the TCB, [EMCTEK] is our designated US agent for service of process for the above referenced FCC ID. [Zhuhai Tessan Power Technology 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 equipment. [EMCTEK] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2023/05/22 Applicant’s Name: Lyu Shaopeng US Agent’s Name: Fang Liu Title: Manager Title: Manager Signature Signature

C5266091_X24_Ed.2 1/1 “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Zhuhai Tessan Power Technology Co., Ltd. Product Description: Wifi Hub Grantee code: 2A4EP FCC ID: 2A4EP-WG03 Contact Name: Lyu Shaopeng Address: Building 14, Xiangzhou Chuanggang Center, No.199, Weikang Road, Xiangzhou District, Zhuhai, Guangdong Province, China Telephone No:0571-89774128 Email: [email protected] i. [Zhuhai Tessan Power Technology Co., Ltd.] (“the applicant”) 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. The applicant must sign this certification. ii. [Zhuhai Tessan Power Technology Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [Zhuhai Tessan Power Technology Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered List as an entity producing “covered” equipment. Date: 2023/05/22 Applicant’s Name: Lyu Shaopeng Title: Manager Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

C5266091_X8_Ed.1 1/1 LetterofAuthorization <ZhuhaiTessanPowerTechnologyCo.,Ltd.> Company:ZhuhaiTessanPowerTechnologyCo.,Ltd. Address:Building14,XiangzhouChuanggangCenter,No.199, WeikangRoad,XiangzhouDistrict,Zhuhai,GuangdongProvince, China ProductName:WifiHub ModelNumber:WG03 FCCIdentifier:2A4EP-WG03 WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:LyuShaopeng Date:2023-05-23 Title:manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 ZhuhaiTessanPowerTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2023-05-23 Subject:RequestforConfidentiality FCCID:2A4EP-WG03 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☒ InternalPhotos ☐ NOTE 1 ☒ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof____180__daysfromthedateof theGrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, Signature: Name:LyuShaopeng Title:Manager

FCCID:2A4EP-WG03

FCCID:2A4EP-WG03 PCBANT(WIFI2.4g) SpringAntenna(433.92MHz)

FCCID:2A4EPWT-03 RFExposureEvaluation Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) AccordingtoKDB447498D01GeneralRFExposureGuidancev06,Unlessspecificallyrequiredbythe publishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluationfor generalpopulationexposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. FCCID:2A4EPWT-03 TestResultofRFExposureEvaluation WiFi2.4G Channel Frequen cy (MHz) Outputpower toantenna (dBm) Outputpowerto antenna(mW) PowerDensityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 802.11b 241213.5622.700.00451.0PASS 243713.8624.320.00481.0PASS 246213.6323.070.00461.0PASS 802.11g 241214.3227.040.00541.0PASS 243714.4828.050.00561.0PASS 246214.6329.040.00581.0PASS 802.11n (HT20) 241215.6836.980.00741.0PASS 243715.2133.190.00661.0PASS 246215.3234.040.00681.0PASS 802.11n (HT40) 242215.5435.810.00711.0PASS 243715.6937.070.00741.0PASS 245216.1341.020.00821.0PASS Remark:antennagain=-0.58dBi WiFimoduleand433.92MHzmodulecannottransmitsignalssimultaneously. EUT'smoduleismorethan20cmawayfromthehumanbody. For433.92MHzMeasurementData Frequency (MHz) Fieldstrength (dBuV/m@3) EIRP (dBm) Maxtune-up (mW) PowerDensityat R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 433.9271.13-24.030.0040.00000081.0PASS EIRP=E Meas +20log(d Meas )-104.7 EIRPistheequivalentisotropicallyradiatedpower,indBm E Meas isthefieldstrengthoftheemissionatthemeasurementdistance,indBuV/m d Meas isthemeasurementdistance,inm EIRP=E+20log(d)-104.7=71.13+9.54-104.7=-24.03dBm Conclusion:NoSARisrequired.

1.AntennaDescribe AntennaplateSpringantenna ModelNameS035 AntennaGain0dBi OperationFrequencyRange433.92MHz ModulatedType1 Dimension16.5mm*D0.5mm CompanyNameZhuhaiTessanPowerTechnologyCo.,Ltd. Building14,XiangzhouChuanggangCenter,No.199,Weikang Road,XiangzhouDistrict,Zhuhai,GuangdongProvince,China 2.Pictureofantenna:

ShenzhenCTATestingTechnologyCo.,Ltd. Room106,Building1,YibaolaiIndustrialPark,QiaotouCommunity,Fuhai Street,Bao’anDistrict,Shenzhen,China FCCPART15SUBPARTCTESTREPORT FCCPART15.231 ReportReferenceNo........................: FCCID.................................................: CTA23032400201E 2A4EP-WG03 Compiledby (position+printedname+signature) .. : FileadministratorsKevinLiu Supervisedby (position+printedname+signature)..: ProjectEngineerKevinLiu Approvedby (position+printedname+signature) .. : RFManagerEricWang Dateofissue.........................................:Mar.24,2023 TestingLaboratoryName..............:ShenzhenCTATestingTechnologyCo.,Ltd. Address.................................................: Room106,Building1,YibaolaiIndustrialPark,QiaotouCommunity, FuhaiStreet,Bao’anDistrict,Shenzhen,China Applicant’sname ............................... : ZhuhaiTessanPowerTechnologyCo.,Ltd. Address.................................................: Building14,XiangzhouChuanggangCenter,No.199,Weikang Road,XiangzhouDistrict,Zhuhai,GuangdongProvince,China Testspecification .............................. : Standard................................................: FCCPart15.231 ShenzhenCTATestingTechnologyCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenCTATestingTechnologyCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenCTATestingTechnologyCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. Testitemdescription........................:WifiHub TradeMark ............................................ : Manufacturer.........................................:ZhuhaiTessanPowerTechnologyCo.,Ltd. Model/Typereference ......................... :WG03 ListedModels ...................................... :N/A Ratings...................................................:N/A Modulation...........................................:433.92MHz Frequency..............................................AC110V-220V Result.....................................................:PASS ReportNo.:CTA23032400201EPage 2 of 23 TESTREPORT Equipmentunder Test : WifiHub Model/Type: WG03 ListedModels:N/A ModelDeclaration:N/A Applicant: ZhuhaiTessanPowerTechnologyCo.,Ltd. Address: Building14,XiangzhouChuanggangCenter,No.199,WeikangRoad, XiangzhouDistrict,Zhuhai,GuangdongProvince,China Manufacturer: ZhuhaiTessanPowerTechnologyCo.,Ltd. Address: Building14,XiangzhouChuanggangCenter,No.199,WeikangRoad, XiangzhouDistrict,Zhuhai,GuangdongProvince,China TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:CTA23032400201EPage 3 of 23 Contents 1TESTSTANDARDS ........................................................................................................................................... 4 2SUMMARY................................................................................................................................................................5 2.1GeneralRemarks.........................................................................................................................................................5 2.2ProductDescription...................................................................................................................................................5 2.3EquipmentUnderTest ............................................................................................................................................... 5 2.4ShortdescriptionoftheEquipmentunderTest(EUT) ..................................................................................... 5 2.5BlockDiagramofTestSetup ................................................................................................................................... 5 2.6SpecialAccessories...................................................................................................................................................5 2.7RelatedSubmittal(s)/Grant(s)...............................................................................................................................6 2.8Modifications................................................................................................................................................................6 3TESTENVIRONMENT ..................................................................................................................................... 7 3.1Addressofthetestlaboratory ................................................................................................................................. 7 3.2TestFacility ................................................................................................................................................................... 7 3.3Environmentalconditions.........................................................................................................................................7 3.4Summaryofmeasurementresults.........................................................................................................................8 3.5Statementofthemeasurementuncertainty........................................................................................................8 3.6EquipmentsUsedduringtheTest .......................................................................................................................... 9 4TESTCONDITIONSANDRESULTS ................................................................................................ 10 4.1ACPowerConductedEmission ............................................................................................................................ 10 4.2RadiatedEmission.....................................................................................................…

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FCCID:2A4EP-WG03