2BX5B-MINICONTROLLER

UserManualfortheMiniControlScreen I.DeviceConnection ①:PoweronthedeviceandplugtheType-Ccableinto thecontroller'sType-Cport. ②:Thesystemwillautomaticallydetectexternal accessories(PUMP,DEHUMID,LIGHT,DUCT FAN,HUMIDIFIER,HEATER,CLIPFAN)via Type-C.Theinterfacewillthenswitchtothe specificpageforthatdevice. *Ensurethesignalcableisfirmlyconnected betweenthecontrollerandthedevice.This appliestoallelectricalequipment. II.ControllerOperationMethods ①:Thephysicalsinglebuttonsupportsthreeoperationmodes:shortpress, doublepress,andlongpress. ②:SingleShortPress:Incrementsthecurrentlyflashingvalueby1.Oncethe upperlimitisreached,itautomaticallyresetstozeroandcycles.Ifnobutton operationisdetectedfor10seconds,thecharactersstopflashing. ③:QuickDoublePress:Decrementsthecurrentlyflashingvalueby1.When thevaluereachesthelowerlimitof0,itautomaticallyjumpstothemaximum valueofthatparameterandcycles.Ifnobuttonoperationisdetectedfor10 seconds,thecharactersstopflashing. ④:LongPress(2-5seconds):Switchestothenextadjustableparameterentry. Afterswitching,thenewentryishighlightedanditsvalueflashes.Allentries III.AppConnectio cycleinaloop;afterreachingthelastentry,itreturnstothefirst.Ifnobutton operationisdetectedfor10seconds,thecharactersstopflashing. ⑤:LongPress(10seconds):Thedeviceenterspairingmode.OpentheTuya Smartapp,searchforandbindthecontrollerwithintheapptocompletethe pairingprocess.Oncesuccessfullypaired,theapptakesoverdevicecontrol. n ​ IV.AppOperationExample 1) Software Compatibility and Connection Activation ①:Download and install the Tuya/Tuya Smart app. ②:Enter pairing mode: Long-press the controller's circular physical button for 10 seconds. ③:Open the app and search for the controller via Wi-Fi to complete device pairing. ④:Once connected, the controller screen will show the APP‑control prompt interface, and the device enters APP‑controlled mode. Local physical buttons will be disabled; all operations can only be performed via the APP. ⑤:When under “APP controlled” mode, local button operations are unavailable. Exit APP control mode to re-enable local buttons. s ①:Fourmainfunctiontabsarearrangedverticallyonthe left​sideoftheappinterface:Overview ① ,AutoMode ② , ManualMode ③ ,andRecords ④ . ②:Twofunctionbuttonsarearrangedverticallyontheright sideoftheappinterface:Auto ⑤ ModeandManual ⑥ Mode. ③:Tapthecorrespondingfunctionbuttontoquicklyjumpto therelevantfunctioninterface. ④:ThiscontrollermodelsupportsoperationonlywithintheManualMode interface.Ifyouneedtousethefunctionsofotherinterfaces,pleaseusea controllerofthecorrespondingmodel. V.ManualModeSettings ①:TaptheManualbuttontoenter. ②:TogglethedeviceON/OFF. ③:Tap“>”nexttoanydeviceforDevicesetupinstructions below. GrowLight ①:AdjustbrightnessforChannel1/2:0-10. ②:SetthetimingforChannel1Standard/Sunrise&Sunset (Seenextitemfordetails) ③:SetthetimingforChannel2(Youneedtosetatleastone ONcommandandoneOFFcommand;multipleON/OFF cyclesarealsosupported). ④:AftersettinguptheGrowLight,returntotheManual interfacetoconfigureotherparameters. *Channel1controlsthefull-spectrumlight.Channel2 controlstheUVlight(except120W/240Wmodels,whichrequireUVcontrolto besetonthelightbodyandcannotbetoggledviaChannel2). TimerMenu ①:TogglethedeviceON/OFF. ②:Tap“>”nexttoSeton/offtime,gear,andrepeatdays ③:TogglethedeviceON/OFF. ④:Tap“>”nexttoSettheduration,startandendbrightness level,andrepetitiondaysofsunrise ⑤:TogglethedeviceON/OFF. ⑥:Tap“>”nexttoSettheduration,startandendbrightness level,andrepetitiondaysofthesunset *TheStandardTimerandSunrise&SunsetTimerscannotrun simultaneously.Enablingonewillautomaticallyturnofftheother. Sunrise&SunsetTimer ①:Setthestarttimeofthedimmingcycle. ②:Setthedurationofthegradualbrightnesstransition. ③:Setthedimminglevelatthestartofthecycle ④:Setthedimminglevelattheendofthecycle. ⑤:Selectthedaysoftheweekforthetimertorepeat. ⑥:Verifyallparametersandclick“SAVE”toconfirmyour settings. *Bothsunrise&sunsettimersmustbeenabledtoformafullcycle;single activationwillcauseconstantlightingOrturnoffthelighting. *Sunrise:StartBrightnessEndBrighthessIncorrectsettingswilldisablethe cycle. Ductfan ①:Adjustspeed:0-10. ②:Setatimer(YouneedtosetatleastoneONcommand andoneOFFcommand;multipleON/OFFcyclesarealso supported). ③:AftersettinguptheDuctfan,returntotheManual interfacetoconfigureotherparameters ClipFan ①:Adjustspeed:0-9. ②:Oscillationlevel:0-5. ③:ToggleNaturalmodeON/OFF. ④:Setatimer(YouneedtosetatleastoneONcommand andoneOFFcommand;multipleON/OFFcyclesarealsosupported). ⑤:AftersettinguptheClipFan,returntotheManualinterfacetoconfigureother parameters. *ThenaturalwindmodewilloverridetheClipFanspeedsetting.Turningitoff canrestorethespeed. Pump: ①:TogglethedeviceON/OFF. ②:Setatimer(YouneedtosetatleastoneONcommand andoneOFFcommand;multipleON/OFFcyclesarealso supported). ③:AftersettingupthePump,returntotheManualinterface toconfigureotherparameters. Dehumidifier: ①:TogglethedeviceON/OFF. ②:Setatimer(YouneedtosetatleastoneONcommand andoneOFFcommand;multipleON/OFFcyclesarealso supported). ③:AftersettinguptheDehumidifier,returntotheManual interfacetoconfigureotherparameters. Heater ①:Adjustspeed:0-10. ②:Setatimer(YouneedtosetatleastoneONcommand andoneOFFcommand;multipleON/OFFcyclesarealso supported). ③:AftersettinguptheHeater,returntotheManualinterface toconfigureotherparameters. Humidifier ①:Adjustspeed:0-10. ②:Setatimer(YouneedtosetatleastoneONcommand andoneOFFcommand;multipleON/OFFcyclesarealso supported). ③:AftersettinguptheHumidifier,returntotheManual interfacetoconfigureotherparameters. VI.UIInterfaceIntroduction GrowLight ①:TherightsideofthescreendisplaysCH1​andCH2, correspondingtoChannel1andChannel2respectively. ②:BothCH1andCH2support0–10levelsofbrightness adjustment. Ductfan ①:InterfaceOverview：Theleftsideofthescreendisplays theductfanicon,andthenumberontheright(e.g.,9) representsthecurrentfanspeedlevel. ②:SpeedAdjustmentSupports0–10levelsofstepless speedcontroltoadjustthefanspeedasneeded. ClipFan ①:Adjustspeed:0-9.Themainnumberontherightsideof thescreenshowsthecurrentlevelinrealtime …

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Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608964 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 4 Product Name: CONTROLLER Model No.: Mini EUT Constructional Details External Photo Report No.: HTT202608964 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 4 Report No.: HTT202608964 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 4 Report No.: HTT202608964 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 4 ------End------

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2BX5B-MINI

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608964 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 2 Product Name: CONTROLLER Model No.: Mini EUT Constructional Details Internal Photo Report No.: HTT202608964 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 2 ------End------ ANTENNA

Shenzhen HTT Technology Co., Ltd. Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 1 of 8 RF Exposure MPE Report Reference No. ..................... : FCC ID............................................. : HTT202608964F02 2BX5B-MINI Compiled by ( position+printed name+signature) . : File administrators Heber He Supervised by ( position+printed name+signature) . : Project Engineer Bruce Zhu Approved by ( position+printed name+signature) . : RF Manager Kevin Yang Date of issue .................................... : Sep. 02, 2026 Testing Laboratory Name .............. : Shenzhen HTT Technology Co.,Ltd. Address............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ............................ : GREEN HYDRO ENVIRONMENTAL TECHNOLOGY(NINGBO) CO.,LTD Address............................................ : 108#jinger road,xinpu,cixi,zhejiang Standard ........................................... : 47CFR §1.1310 47CFR §2.1091 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen HTT Technology Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HTT Technology Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HTT Technology Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : CONTROLLER Manufacturer .................................... : GREEN HYDRO ENVIRONMENTAL TECHNOLOGY(NINGBO) CO.,LTD Trade Mark ........................................ N/A Model/Type reference ...................... : Mini Rating ............................................... : DC 5.0V From adapter Result ............................................... : PASS Report No.: HTT202608964F02 Page 2 of 8 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 2 of 8 T E S T R E P O R T Equipment under Test : CONTROLLER Model /Type : Mini Listed Models : N/A Applicant : GREEN HYDRO ENVIRONMENTAL TECHNOLOGY(NINGBO) CO.,LTD Address : 108#jinger road,xinpu,cixi,zhejiang Manufacturer : GREEN HYDRO ENVIRONMENTAL TECHNOLOGY(NINGBO) CO.,LTD Address : 108#jinger road,xinpu,cixi,zhejiang Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: HTT202608964F02 Page 3 of 8 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 3 of 8 Contents 1 T E S T S T A N D A R D S ................................................... 4 2 S U M M A R Y .............................................................. 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Special Accessories 5 2.4 Modifications 5 3 T E S T E N V I R O N M E N T 6 3.1 Address of the test laboratory 6 3.2 Test Facility 6 3.3 Statement of the measurement uncertainty 6 4 T E S T L I M I T 7 4.1 Requirement 7 4.2 MPE Calculation Method 7 4.3 Conducted Power Results 8 4.4 Manufacturing tolerance 8 4.5 Standalone MPE Result 8 4.6 Simultaneous Transmission for MPE Result 8 5 C O N C L U S I O N .......................................................... 8 Report No.: HTT202608964F02 Page 4 of 8 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 4 of 8 1 T E S T S T A N D A R D S The tests were performed according to following standards: ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device, RF Exposure, Equipment Authorization Procedures. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices Report No.: HTT202608964F02 Page 5 of 8 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 5 of 8 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : Aug. 27, 2026 Testing commenced on : Aug. 27, 2026 Testing concluded on : Sep. 02, 2026 2.2 Product Description Product description: CONTROLLER Model/Type reference: Mini Power supply: DC 5.0V From adapter Adapter Information: Model: TJ02401W0503000US Input: 100-240V 50/60Hz, 0.8A MAX Output: 5V3000mA Testing sample ID： HTT202608964-1# (Engineer sample) HTT202608964-2# (Normal sample) Hardware version: / Software version: / WIFI : Supported type: 802.11b/802.11g/802.11n(HT20) Modulation: 802.11b: DSSS 802.11g/802.11n(HT20): OFDM Operation frequency: 802.11b/802.11g/802.11n(H20): 2412MHz~2462MHz Channel number: 802.11b/802.11g/802.11n(HT20): 11 Channel separation: 5MHz Antenna type: PCB Antenna Antenna gain: 2.21 dBi 2.3 Special Accessories The following is the EUT test of the auxiliary equipment provided by the laboratory: Description Manufacturer Model Technical Parameters Certificate Provided…

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AntennaSpecification Manufacture：TUYA ProductName：CBUAntenna AntennaType：PCB TestDate：2020.11.24 Testedby：YinhuaZhang Approvedby：Licco Content 1.GeneralDescription.................................................................................1 2.TestConfigurations...................................................................................2 2.1TestEnvironment............................................................................2 2.2TestEquipment...............................................................................2 2.3TestPrinciple...................................................................................2 3.TestResults..............................................................................................3 3.1GainandEfficiency..........................................................................3 3.2RadiationPattern............................................................................4 4.AntennaDimensions................................................................................5 5.EUTPhoto................................................................................................5 6.TestSetupPhoto......................................................................................6 1 1.GeneralDescription ManufacturerHangzhouTuyaInformationTechnologyCo.,Ltd Address Room701,Building3,MoreCenter,No.87GuDunRoad, Hangzhou,Zhejiang,China TestLocation Room106,Building3,LetongSciencePark,No.500, QiuyiRoad,BinjiangDistrict,Hangzhou ProductNameCBUAntenna Productmodel CBU AntennaType PCBAntenna TestItems Gain;Efficiency;RadiationPattern TestFrequency 2400-2500MHz TestStandard ANSI/IEEEStd149-1979 2 2.TestConfigurations 2.1TestEnvironment Temperature(°C)25 Humidity(%RH)60 AtmosphericPressure(kPa)100.5 2.2TestEquipment TestSystemTEM24Multi-probeMicrowaveChamber TestInstrumentAgilentE5071B 2.3TestPrinciple 3 3.TestResults 3.1GainandEfficiency Frequency(MHz)PeakGain(dBi)Efficiency(%) 2400 2.1132.36 2410 2.1832.3 2420 2.2132.1 2430 2.0632.4 2440 2.0732.9 2450 1.9130.9 2460 2.0430.8 2470 2.0930.7 2480 1.9831.6 2490 1.9130.6 2500 1.0330.5 4 3.2RadiationPattern Phi02D Phi902D Theta902D 5 2440MHz3D 4.AntennaDimensions 5.EUTPhoto 6 6.TestSetupPhoto

1 Appendix RF Test Data for 2.4G WIFI Company: : GREEN HYDRO ENVIRONMENTAL TECHNOLOGY(NINGBO) CO.,LTD EUT : CONTROLLER FCC ID: : 2BX5B-MINI Model Number : Mini Report No. : HTT202608964F01 Reviewed By : Heber He 2 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) 802.11b SISO 2412 8.387 8.474 98.97 0.04 0.00 2437 8.387 8.473 98.99 0.04 0.04 2462 8.387 8.473 98.99 0.04 0.04 802.11g SISO 2412 5.486 5.544 98.95 0.05 0.04 2437 5.486 5.544 98.95 0.05 0.03 2462 5.486 5.544 98.95 0.05 0.04 802.11n (HT20) SISO 2412 0.166 0.170 97.65 0.10 0.08 2437 0.166 0.169 98.22 0.08 0.04 2462 0.166 0.169 98.22 0.08 0.04 3 1.2 Test Graph 1.2.1 Ant1 802.11b_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11b_MCH_2437MHz_Ant1 (SISO)_NTNV 4 802.11b_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 5 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV 6 802.11n(HT20)_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11n(HT20)_MCH_2437MHz_Ant1 (SISO)_NTNV 7 802.11n(HT20)_HCH_2462MHz_Ant1 (SISO)_NTNV 8 2. Bandwidth 2.1 Test Result 2.1.1 OBW Mode TX Type Frequency (MHz) ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit 802.11b SISO 2412 1 13.815 / Pass 2437 1 13.803 / Pass 2462 1 13.901 / Pass 802.11g SISO 2412 1 17.421 / Pass 2437 1 17.453 / Pass 2462 1 17.520 / Pass 802.11n (HT20) SISO 2412 1 17.883 / Pass 2437 1 17.863 / Pass 2462 1 17.904 / Pass 2.1.2 6dB BW Mode TX Type Frequency (MHz) ANT 6dB Bandwidth (MHz) Verdict Result Limit 802.11b SISO 2412 1 9.113 >=0.5 Pass 2437 1 9.103 >=0.5 Pass 2462 1 9.134 >=0.5 Pass 802.11g SISO 2412 1 12.110 >=0.5 Pass 2437 1 9.186 >=0.5 Pass 2462 1 13.199 >=0.5 Pass 802.11n (HT20) SISO 2412 1 13.829 >=0.5 Pass 2437 1 13.394 >=0.5 Pass 2462 1 15.091 >=0.5 Pass 9 2.2 Test Graph 2.2.1 OBW 802.11b_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11b_MCH_2437MHz_Ant1 (SISO)_NTNV 10 802.11b_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 11 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV 12 802.11n(HT20)_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11n(HT20)_MCH_2437MHz_Ant1 (SISO)_NTNV 13 802.11n(HT20)_HCH_2462MHz_Ant1 (SISO)_NTNV 14 2.2.2 6dB BW 802.11b_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11b_MCH_2437MHz_Ant1 (SISO)_NTNV 15 802.11b_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 16 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV 17 802.11n(HT20)_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11n(HT20)_MCH_2437MHz_Ant1 (SISO)_NTNV 18 802.11n(HT20)_HCH_2462MHz_Ant1 (SISO)_NTNV 19 3. Maximum Conducted Output Power 3.1 Test Result 3.1.1 Power Mode TX Type Frequency (MHz) Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit 802.11b SISO 2412 8.41 <=30 Pass 2437 8.60 <=30 Pass 2462 8.50 <=30 Pass 802.11g SISO 2412 7.60 <=30 Pass 2437 7.11 <=30 Pass 2462 8.15 <=30 Pass 802.11n (HT20) SISO 2412 6.96 <=30 Pass 2437 7.19 <=30 Pass 2462 7.54 <=30 Pass 20 4. Maximum Power Spectral Density 4.1 Test Result 4.1.1 PSD Mode TX Type Frequency (MHz) Maximum PSD (dBm) Verdict ANT1 Limit(dBm/3kHz) 802.11b SISO 2412 -3.45dBm/100kHz <=8 Pass 2437 -3.07dBm/100kHz <=8 Pass 2462 -3.15dBm/100kHz <=8 Pass 802.11g SISO 2412 -5.02dBm/100kHz <=8 Pass 2437 -5.38dBm/100kHz <=8 Pass 2462 -4.65dBm/100kHz <=8 Pass 802.11n (HT20) SISO 2412 -7.63dBm/100kHz <=8 Pass 2437 -7.75dBm/100kHz <=8 Pass 2462 -7.43dBm/100kHz <=8 Pass 21 4.2 Test Graph 4.2.1 PSD 802.11b_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11b_MCH_2437MHz_Ant1 (SISO)_NTNV 22 802.11b_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 23 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV 24 802.11n(HT20)_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11n(HT20)_MCH_2437MHz_Ant1 (SISO)_NTNV 25 802.11n(HT20)_HCH_2462MHz_Ant1 (SISO)_NTNV 26 5. Unwanted Emissions In Non-restricted Frequency Bands 5.1 Test Result 5.1.1 Ref Mode TX Type Frequency (MHz) ANT Level of Reference (dBm) 802.11b SISO 2412 1 -3.26 2437 1 -3.11 2462 1 -3.38 802.11g SISO 2412 1 -5.16 2437 1 -4.36 2462 1 -5.09 802.11n (HT20) SISO 2412 1 -7.48 2437 1 -7.11 2462 1 -7.16 5.1.2 CSE Mode TX Type Frequency (MHz) ANT Level of Reference (dBm) Limit (dBm) Verdict 802.11b SISO 2412 1 -3.26 -23.26 Pass 2437 1 -3.11 -23.11 Pass 2462 1 -3.38 -23.38 Pass 802.11g SISO 2412 1 -5.16 -25.16 Pass 2437 1 -4.36 -24.36 Pass 2462 1 -5.09 -25.09 Pass 802.11n (HT20) SISO 2412 1 -7.48 -27.48 Pass 2437 1 -7.11 -27.11 Pass 2462 1 -7.16 -27.16 Pass 27 5.2 Test Graph 5.2.1 Ref 802.11b_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11b_MCH_2437MHz_Ant1 (SISO)_NTNV 28 802.11b_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 29 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV 30 802.11n(HT20)_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11n(HT20)_MCH_2437MHz_Ant1 (SISO)_NTNV 31 802.11n(HT20)_HCH_2462MHz_Ant1 (SISO)_NTNV 32 5.2.2 CSE 802.11b_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11b_LCH_2412MHz_Ant1 (SISO)_NTNV 33 802.11b_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11b_HCH_2462MHz_Ant1 (SISO)_NTNV 34 802.11b_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 35 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 36 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV 37 802.11n(HT20)_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11n(HT20)_LCH_2412MHz_Ant1 (SISO)_NTNV 38 802.11n(HT20)_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11n(HT20)_HCH_2462MHz_Ant1 (SISO)_NTNV 39 802.11n(HT20)_HCH_2462MHz_Ant1 (SISO)_NTNV

Shenzhen HTT Technology Co., Ltd. Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................... : FCC ID. .......................................... : HTT202608964F01 2BX5B-MINI Compiled by ( position+printed name+signature) . : File administrators Heber He Supervised by ( position+printed name+signature) . : Project Engineer Bruce Zhu Approved by ( position+printed name+signature) . : RF Manager Kevin Yang Date of issue .................................... : Sep. 02, 2026 Testing Laboratory Name ............. : Shenzhen HTT Technology Co.,Ltd. Address ............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ........................... : GREEN HYDRO ENVIRONMENTAL TECHNOLOGY(NINGBO) CO.,LTD Address ............................................ : 108#jinger road,xinpu,cixi,zhejiang Test specification.......................... : Standard .......................................... : FCC Part 15.247 TRF Originator ................................. : Shenzhen HTT Technology Co.,Ltd. Shenzhen HTT Technology Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HTT Technology Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HTT Technology Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description .................... : CONTROLLER Trade Mark ....................................... : N/A Manufacturer .................................... : GREEN HYDRO ENVIRONMENTAL TECHNOLOGY(NINGBO) CO.,LTD Model/Type reference ...................... : Mini Listed Models ................................... : N/A Modulation Type .............................. : CCK/DSSS/OFDM Operation Frequency ....................... : From 2412 - 2462MHz Rating ............................................... : DC 5.0V From adapter Result ............................................... : PASS Report No.: HTT202608964F01 Page 2 of 34 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China T E S T R E P O R T Equipment under Test : CONTROLLER Model /Type : Mini Listed Models : N/A Applicant : GREEN HYDRO ENVIRONMENTAL TECHNOLOGY(NINGBO) CO.,LTD Address : 108#jinger road,xinpu,cixi,zhejiang Manufacturer : GREEN HYDRO ENVIRONMENTAL TECHNOLOGY(NINGBO) CO.,LTD Address : 108#jinger road,xinpu,cixi,zhejiang Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: HTT202608964F01 Page 3 of 34 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Contents 1 TEST STANDARDS .......................................................................................................................................... 4 2 SUMMARY ........................................................................................................................................................ 5 2.1 General Remarks .................................................................................................................................... 5 2.2 Product Description ................................................................................................................................. 5 2.3 Equipment Under Test ............................................................................................................................ 5 2.4 Short description of the Equipment under Test (EUT) ............................................................................ 5 2.5 EUT configuration .................................................................................................................................... 5 2.6 EUT operation mode ............................................................................................................................... 6 2.7 Block Diagram of Test Setup .................................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) .............................................................................................................. 6 2.9 Modifications ........................................................................................................................................... 6 3 TEST ENVIRONMENT ...................................................................................................................................... 7 3.1 Address of the test laboratory ................................................................................................................. 7 3.2 Test Facility ............................................................................................................................................. 7 3.3 Environmental conditions ........................................................................................................................ 7 3.4 Test Description ...................................................................................................................................... 8 3.5 Statem…

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Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608964 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 2 Product Name: CONTROLLER Model No.: Mini Test Setup Photo Radiated Emission Report No.: HTT202608964 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 2 Conducted Emission RF Test ------End------