2AFZZ-MHCWB8G-B2.4GHz WIFI+Bluetooth dual-mode module

TheusermanualofWIFI 、 BLEmodule 1.Theproductdescription TheusercanachievewirelessconnectiontoWIFInetandBLE,throughthismodule 2.Basicparameters FeatureDescriptionFeatureDescription Model MHCWB8G-B&MHCWB8G-IB ProductName2.4GHzWIFI+BluetoothDual-ModeModule MajorChipset BL616C WLANStandard IEEE802.11b/g/n/ax BTStandardV5.3BLE WLANFrequencyRange 2.4GHz~2.4835GHz BTFrequencyRange 2402MHz~2480MHz SpreadSpectrum IEEE802.11b:DSSS(DirectSequenceSpreadSpectrum) IEEE802.11g/n:OFDM(OrthogonalFrequencyDivisionMultiplexing) IEEE802.11ax：OFDMA(orthogonalfrequency-divisionmultipleaccess) ModulationMethod DBPSK/DQPSK/CCK(DSSS)； BPSK/QPSK/16QAM/64QAM/256QAM(OFDM) DataTransferRate 11b:1,2,5.5,11Mbps 11g:6,9,12,18,24,36,48,54Mbps 11n:HT20MCS0~HT20MCS7;HT40MCS0~HT20MCS7 11ax:HT20MCS0~HT20MCS9;HT40MCS0~HT20MCS9 AntennaReference MHCWB8G-B:WIFI/BLEInternalPrintedANT MHCWB8G-IB:WIFI/BLEexternalANT InterfaceUART SupplyVoltage 3.3V±0.3V Dimension MHCWB8G-B:18（mm）*20（mm）*2.5（mm） MHCWB8G-IB:18（mm）*14.3（mm）*2.5（mm OperatingTemperature -40°Cto85°C StorageTemperature -40°Cto85°C 3.RFOutputPower BandPowerLimited WLAN 2400-2483.5MHz ≤20dBm BLE2402-2480MHz ≤20dBm 4.ThedisplaymethodofModelapprovedcode Inthefactory，themodelapprovecodeislaseredontheshieldingcase. 5.FCCStatement ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttopart15 oftheFCCrules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceina residentialinstallation.Thisequipmentgenerates,uses,andcanradiateradiofrequencyenergyandifnotinstalled andusedinaccordancewiththeinstructionsmaycauseharmfulinterferencetoradiocommunications.However thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescause harmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon, theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures： Reorientorrelocatethereceivingantenna.  Increasetheseparationbetweentheequipmentandreceiver. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. FCCID:2AFZZ-MHCWB8G-B&2AFZZ-MHCWB8G-IB 6.RadiationExposureStatement ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolledenvironmentanditalso complieswithPart15ofFCCRFRules.Thisequipmentshouldbeinstalledandoperatedwithminimumdistanceof50 cm(20in)betweentheradiatorandyourbody.Thistransmittermustnotbeco-locatedoroperatedin conjunctionwithanyotherantennaortransmitter CAUTION: TocomplywiththelimitsoftheClassBdigitaldevicepursuanttoPart15oftheFCCRules,thisdeviceiscompliant withClassBlimits.Allperipheralsmustbeshieldedandgrounded.Operationwithnon-certifiedperipheralsornon- shieldedcablesmayresultsininterferencetoradioorreception MODIFICATION Toassurecontinuedcompliance,Anychangesormodificationsnotexpresslyapprovedbythegranteeofthisdevice couldvoidtheusersauthoritytooperatethedevice. 6.RadiationExposureStatement ThisequipmentcomplieswithICradiationexposurelimitssetforthforanuncontrolledenvironment.This equipmentshouldbeinstalledandoperatedwithminimumdistanceof50cm(20in)betweentheradiatorandyour bodyNOTETosatisfyFCCexteriorlabelingrequirements,thefollowingtextmustbeplacedontheexterioroftheend productContainsTransmittermoduleFCCID:2AFZZ-MHCWB8G-B&2AFZZ-MHCWB8G-IB.TosatisfyISED exteriorlabelingrequirements,thefollowingtextmustbeplacedontheexterioroftheendproduct"Contains TransmittermoduleIC:25903-MHCWB8GB&25903-MHCWB8GIB ICID：25903-MHCWB8GB&25903-MHCWB8GIB ThisdevicecomplieswithIndustryCanada’slicence-exemptRSSs.Operationissubjecttothefollowingtwo conditions: "Operationissubjecttothefollowingtwoconditions:(1)thisdevicemaynotcauseinterference,and(2)thisdevice mustacceptanyinterference,includinginterferencethatmaycauseundesiredoperationofthedevice." LeprésentappareilestconformeauxCNRd’IndustrieCanadaapplicablesauxappareilsradioexemptsdelicence.L’ exploitationestautoriséeauxdeuxconditionssuivantes: 1)l’appareilnedoitpasproduiredebrouillage; 2)l’appareildoitacceptertoutbrouillageradioélectriquesubi,mêmesilebrouillageestsusceptibled’en compromettrelefonctionnement. Manufacturer:XiaomiCommunicationsCo.,Ltd. Address:No.019,floor9,building6,yard33,middleXierqiRoad,HaidianDistrict,Beijing, China Avoltagestabilizingelementorcircuitisrequiredonthepowersuppliestothemodule,andthenthepower supplyissenttothemodule ThisequipmentmaybeoperatedinallEuropeancountries Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevice maynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterference thatmaycauseundesiredoperation. ImportantNoticetoOEMintegrators 1.ThismoduleislimitedtoOEMinstallationONLY. 2.Thismoduleislimitedtoinstallationinmobileorfixedapplications,accordingtoPart2.1091(b). 3.Theseparateapprovalisrequiredforallotheroperatingconfigurations,includingportableconfigurationswithrespect toPart2.1093anddifferentantennaconfigurations. 4.ForFCCPart15.31(h)and(k):Thehostmanufacturerisresponsibleforadditionaltestingtoverifycomplianceasa compositesystem.WhentestingthehostdeviceforcompliancewithPart15SubpartB,thehostmanufactureris requiredtoshowcompliancewithPart15SubpartBwhilethetransmittermodule(s)areinstalledandoperating.The modulesshouldbetransmitting,andtheevaluationshouldconfirmthatthemodule'sintentionalemissionsare compliant(i.e.fundamentalandoutofbandemissions).Thehostmanufacturermustverifythattherearenoadditional unintentionalemissionsotherthanwhatispermittedinPart15SubpartBoremissionsarecomplaintwiththe transmitter(s)rule(s).TheGranteewillprovideguidancetothehostmanufacturerforPart15Brequirementsifneeded. ThisdeviceisintendedonlyforOEMintegratorsunderthefollowingconditions: (Formoduledeviceuse) 1)Theantennamustbeinstalledsuchthat50cmismaintainedbetweentheantennaandusers,and2)Thetransmitter modulemaynotbeco-locatedwithanyothertransmitterorantenna. Aslongas2conditionsabovearemet,fur…

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10 XXX-ABCDEF 1 9 2 3 4 Model:MHCWB8G-B PN:1090101000856A CMIIT ID:2023DP15666 FCC ID:2AFZZ-MHCWB8G-B 11 6 5 IC:25903-MHCWB8GB 8 7 MAC:XXXXXXXXXXXX Xiaomi Communications Co.,Ltd Laser Content： 1.QR code：4x4mm，12 Bit MAC 2.MODEL：Module model3.PN：XiaoMi PN 4.CMIIT ID：SRRC Number 5.FCC ID：FCC Number6.IC ID：IC Number 7.MAC：12 Bit MAC 8.Company Name9.Product Code 10、11.Fixd Log

Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 1 of 3 Report Version 1 Reference No.: PSU-NQN2510130209RF02 FCC ID: 2AFZZ-MHCWB8G-B SET-UP FOR FCC 15.247 Radiated emission test: Frequency Range< 30MHz ~1GHz > Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 2 of 3 Report Version 1 Reference No.: PSU-NQN2510130209RF02 FCC ID: 2AFZZ-MHCWB8G-B Radiated emission test: Frequency Range< Above 1GHz > Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 3 of 3 Report Version 1 Reference No.: PSU-NQN2510130209RF02 FCC ID: 2AFZZ-MHCWB8G-B Radiated emission test: Frequency Range< 9KHz- 30MHz >

Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 147 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Frequency:2437MHz Ant:Chain0 Frequency:2452MHz Ant:Chain0 Mode:802.11ax HE40 Tone:106T Frequency:2422MHz Ant:Chain0 Mode:802.11ax HE40 Tone:106T Frequency:2437MHz Ant:Chain0 Mode:802.11ax HE40 Tone:106T Frequency:2452MHz Ant:Chain0 Mode:802.11ax HE40 Tone:242T Frequency:2422MHz Ant:Chain0 Mode:802.11ax HE40 Tone:242T Mode:802.11ax HE40 Tone:242T Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 148 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Frequency:2437MHz Ant:Chain0 Frequency:2452MHz Ant:Chain0 Mode:802.11ax HE40 Tone:484T Frequency:2422MHz Ant:Chain0 Mode:802.11ax HE40 Tone:484T Frequency:2437MHz Ant:Chain0 Mode:802.11ax HE40 Tone:484T Frequency:2452MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 149 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 BAND EDGE MEASUREMENTS TEST GRAPHS Test Mode: 802.11b Mode:802.11b Frequency:2412MHz Ant:Chain0 Mode:802.11b Frequency:2462MHz Ant:Chain0 Test Mode: 802.11g Mode:802.11g Frequency:2412MHz Ant:Chain0 Mode:802.11g Frequency:2462MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 150 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Test Mode: 802.11n HT20 Mode:802.11n HT20 Frequency:2412MHz Ant:Chain0 Mode:802.11n HT20 Frequency:2462MHz Ant:Chain0 Test Mode: 802.11ax HE20 Mode:802.11ax HE20 Frequency:2412MHz Ant:Chain0 Mode:802.11ax HE20 Frequency:2462MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 151 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Test Mode: 802.11n HT40 Mode:802.11n HT40 Frequency:2422MHz Ant:Chain0 Mode:802.11n HT40 Frequency:2452MHz Ant:Chain0 Test Mode: 802.11ax HE40 Mode:802.11ax HE40 Frequency:2422MHz Ant:Chain0 Mode:802.11ax HE40 Frequency:2452MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 152 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 CONDUCTED SPURIOUS EMISSION TEST GRAPHS Test Mode: 802.11b Mode:802.11b Frequency:2412MHz Ant:Chain0 Mode:802.11b Frequency:2437MHz Ant:Chain0 Mode:802.11b Frequency:2462MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 153 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Test Mode: 802.11g Mode:802.11g Frequency:2412MHz Ant:Chain0 Mode:802.11g Frequency:2437MHz Ant:Chain0 Mode:802.11g Frequency:2462MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 154 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Test Mode: 802.11n HT20 Mode:802.11n HT20 Frequency:2412MHz Ant:Chain0 Mode:802.11n HT20 Frequency:2437MHz Ant:Chain0 Mode:802.11n HT20 Frequency:2462MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 155 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Test Mode: 802.11ax HE20 Mode:802.11ax HE20 Frequency:2412MHz Ant:Chain0 Mode:802.11ax HE20 Frequency:2437MHz Ant:Chain0 Mode:802.11ax HE20 Frequency:2462MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 156 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Test Mode: 802.11n HT40 Mode:802.11n HT40 Frequency:2422MHz Ant:Chain0 Mode:802.11n HT40 Frequency:2437MHz Ant:Chain0 Mode:802.11n HT40 Frequency:2452MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 157 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Test Mode: 802.11ax HE40 Mode:802.11ax HE40 Frequency:2422MHz Ant:Chain0 Mode:802.11ax HE40 Frequency:2437MHz Ant:Chain0 Mode:802.11ax HE40 Frequency:2452MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 158 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Test Mode: 802.11ax HE20 26T Mode:802.11ax HE20 26T Frequency:2412MHz Ant:Chain0 Mode:802.11ax HE20 26T Frequency:2437MHz Ant:Chain0 Mode:802.11ax HE20 26T Frequency:2462MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 159 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Test Mode: 802.11ax HE40 26T Mode:802.11ax HE40 26T Frequency:2422MHz Ant:Chain0 Mode:802.11ax HE40 26T Frequency:2437MHz Ant:Chain0 Mode:802.11ax HE40 26T Frequency:2452MHz Ant:Chain0 Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557…

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Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 105 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW20)_LCH_2412MHz_RU26_Right_Ant1 (SISO)_NTNV 802.11ax(HEW20)_LCH_2412MHz_RU242_Left_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 106 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW20)_MCH_2437MHz_RU26_Left_Ant1 (SISO)_NTNV 802.11ax(HEW20)_MCH_2437MHz_RU26_Mid_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 107 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW20)_MCH_2437MHz_RU26_Right_Ant1 (SISO)_NTNV 802.11ax(HEW20)_MCH_2437MHz_RU242_Left_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 108 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW20)_HCH_2462MHz_RU26_Left_Ant1 (SISO)_NTNV 802.11ax(HEW20)_HCH_2462MHz_RU26_Mid_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 109 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW20)_HCH_2462MHz_RU26_Right_Ant1 (SISO)_NTNV 802.11ax(HEW20)_HCH_2462MHz_RU242_Left_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 110 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW40)_LCH_2422MHz_RU26_Left_Ant1 (SISO)_NTNV 802.11ax(HEW40)_LCH_2422MHz_RU26_Mid_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 111 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW40)_LCH_2422MHz_RU26_Right_Ant1 (SISO)_NTNV 802.11ax(HEW40)_LCH_2422MHz_RU484_Left_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 112 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW40)_MCH_2437MHz_RU26_Left_Ant1 (SISO)_NTNV 802.11ax(HEW40)_MCH_2437MHz_RU26_Mid_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 113 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW40)_MCH_2437MHz_RU26_Right_Ant1 (SISO)_NTNV 802.11ax(HEW40)_MCH_2437MHz_RU484_Left_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 114 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW40)_HCH_2452MHz_RU26_Left_Ant1 (SISO)_NTNV 802.11ax(HEW40)_HCH_2452MHz_RU26_Mid_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 115 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 802.11ax(HEW40)_HCH_2452MHz_RU26_Right_Ant1 (SISO)_NTNV 802.11ax(HEW40)_HCH_2452MHz_RU484_Left_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 116 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 OCCUPIED CHANNEL BANDWIDTH TEST RESULT Mode TX Type Frequency (MHz) RU RU Pos ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit 802.11b SISO 2412 / / 1 13.341 / Pass 2437 / / 1 13.418 / Pass 2462 / / 1 13.562 / Pass 802.11g SISO 2412 / / 1 19.839 / Pass 2437 / / 1 20.062 / Pass 2462 / / 1 20.472 / Pass 802.11n (HT20) SISO 2412 / / 1 20.136 / Pass 2437 / / 1 20.510 / Pass 2462 / / 1 21.263 / Pass 802.11n (HT40) SISO 2422 / / 1 38.231 / Pass 2437 / / 1 37.978 / Pass 2452 / / 1 37.698 / Pass 802.11ax (HEW20) SISO 2412 RU26 Left 1 18.811 / Pass Mid 1 17.300 / Pass Right 1 18.746 / Pass RU242 Left 1 19.539 / Pass 2437 RU26 Left 1 18.787 / Pass Mid 1 17.336 / Pass Right 1 18.796 / Pass RU242 Left 1 19.588 / Pass 2462 RU26 Left 1 18.760 / Pass Mid 1 17.373 / Pass Right 1 18.837 / Pass RU242 Left 1 19.716 / Pass 802.11ax (HEW40) SISO 2422 RU26 Left 1 19.122 / Pass Mid 1 21.545 / Pass Right 1 19.620 / Pass RU484 Left 1 38.363 / Pass 2437 RU26 Left 1 19.150 / Pass Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 117 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 Mid 1 21.385 / Pass Right 1 19.572 / Pass RU484 Left 1 38.455 / Pass 2452 RU26 Left 1 19.040 / Pass Mid 1 21.241 / Pass Right 1 19.798 / Pass RU484 Left 1 38.369 / Pass Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 118 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 TEST GRAPHS 802.11b_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11b_MCH_2437MHz_Ant1 (SISO)_NTNV Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province…

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Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 1 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 FCC TEST REPORT (Part 15, Subpart C) Applicant: Xiaomi Communications Co.,Ltd. Address: #019, 9th Floor, Building 6, 33Xi′erqi Middle Road, Haidian District, Beijing, China Manufacturer or Supplier: Xiaomi Communications Co.,Ltd. Address: #019, 9th Floor, Building 6, 33Xi′erqi Middle Road, Haidian District, Beijing, China Product: 2.4GHz WIFI+Bluetooth dual-mode module Model Name: MHCWB8G-B FCC ID: 2AFZZ-MHCWB8G-B Date of tests: Sep. 24, 2025 ~ Oct. 27, 2025 The tests have been carried out according to the requirements of the following standard: FCC Part 15, Subpart C, Section 15.247 ANSI C63.10-2020 CONCLUSION: The submitted sample was found to COMPLY with the test requirement Prepared by Hanwen Xu Engineer / Mobile Department Approved by Luke Lu Manager / Mobile Department Date: Oct. 15, 2025 Date: Oct. 27, 2025 This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our-business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Huarui 7layers High Technology (Suzhou) Co., Ltd. Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province, China Tel: +86 (0557) 368 1008 Page 2 of 169 Report Version 1 Test Report No.: PSU-NQN2510130209RF01 TABLE OF CONTENTS RELEASE CONTROL RECORD ............................................................................................................ 5 1 SUMMARY OF TEST RESULTS .................................................................................................... 6 1.1 MEASUREMENT UNCERTAINTY ............................................................................................... 7 2 GENERAL INFORMATION ............................................................................................................ 8 2.1 GENERAL DESCRIPTION OF EUT ............................................................................................. 8 2.2 DESCRIPTION OF TEST MODES ............................................................................................. 10 2.2.1 CONFIGURATION OF SYSTEM UNDER TEST ................................................................ 11 2.2.2 TEST MODE APPLICABILITY AND TESTED CHANNEL DETAIL ..................................... 11 2.3 DUTY CYCLE OF TEST SIGNAL ............................................................................................... 14 2.4 GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................................ 15 2.5 DESCRIPTION OF SUPPORT UNITS ....................................................................................... 15 3 TEST TYPES AND RESULTS ...................................................................................................... 16 3.1 CONDUCTED EMISSION MEASUREMENT ............................................................................. 16 3.1.1 LIMITS OF CONDUCTED EMISSION MEASUREMENT .................................................. 16 3.1.2 TEST INSTRUMENTS ........................................................................................................ 16 3.1.3 TEST PROCEDURES ........................................................................................................ 17 3.1.4 DEVIATION FROM TEST STANDARD .............................................................................. 17 3.1.5 TEST SETUP ...................................................................................................................... 18 3.1.6 EUT OPERATING CONDITIONS ....................................................................................... 18 3.1.7 TEST RESULTS ................................................................................................................. 18 3.2 RADIATED EMISSION MEASUREMENT .................................................................................. 19 3.2.1 LIMITS OF RADIATED EMISSION MEASUREMENT ....................................................... 19 3.2.2 TEST INSTRUMENTS ........................................................................................................ 20 3.2.3 TEST PROCEDURES ........................................................................................................ 21 3.2.4 DEVIATION FROM TEST STANDARD ..............................................................................…

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Page1of12 AntennaSpecification CustomerName:XiaomiCommunicationTechnologyCo.LTD ProductName:2.4GHzWIFI+Bluetoothdual-modemodule SampleModel:MHCWB8G ReferenceStandard:GB/T9410-2008;ANSI/IEEEStd149-1979 IssueDate:2023.06.20 RoleNameDate Engineer2023.6.20 Auditor2023.6.20 Approver2023.6.20 Page2of12 Version VersionNo.DateDescriptionFormulateApproval A02022.5.17Forthefirsttime,formulateLinYuzheZhangHe Contents 1.GeneralInformation..............................................................................................................................3 1.1Generalinformationoftestinginstitutions............................................................................3 1.2Testingprinciple......................................................................................................................3 1.3Testequipment.........................................................................................................................4 1.4Testenvironment.....................................................................................................................4 1.5Statement.................................................................................................................................4 2.SampleInformation................................................................................................................................5 2.1Clientinformation....................................................................................................................5 2.2DescriptionofEUT(S)............................................................................................................5 2.3EUTappearance......................................................................................................................6 2.4DUTsetupphotooffreespaceOTAtesting...........................................................................7 3.TestResults............................................................................................................................................8 3.1Teststandard............................................................................................................................8 3.2Testuncertainty.......................................................................................................................8 3.3Testdata..................................................................................................................................9 3.3.1Typicalfreespaceefficiencyandgain............................................................................9 3.3.2Typicalfreespaceradiationpattern..............................................................................9 (Thefollowingisblank)......................................................................................................................11 Page3of12 1.GeneralInformation 1.1Generalinformationoftestinginstitutions NameXiaomiCommunicationTechnologyCo.LTD Address #019,9thFloor,Building6,33Xi'erqiMiddleRoad,HaidianDistrict, Beijing,China Tel010-6060666 1.2Testingprinciple Multi-ProbeOTAMeasurementSystem Page4of12 1.3Testequipment EquipmentModelNo.SerialNo.Manufacturer Calibration date Next calibration date Network Analyzer Rohde&Schwarz102231ZND2023101820241018 1.4Testenvironment Temperature 23.9°C Humidity 24%RH Pressure 100.32kPa 1.5Statement (1)Thetestresultsinthereportareonlyapplicabletothetestedsamplesandthetestedsamplesworkunderthe environmentdescribedinthereport. (2)OnlyXiaomiCommunicationTechnologyCo.LTD.havetherighttomodifythereport,andthe modificationinformationshallbeannotatedintherevisionform. (3)Anyobjectiontothisreportshallberaisedwithin30daysafterformalconfirmationofthereport. (4)Thisreportisinvalidifthereisanyevidencethatthesampleinformationprovidedisfalsified. (5)Thereportisinvalidwithoutthesignatureoftheauditorandapprover. Page5of12 NameXiaomiCommunicationTechnologyCo.LTD Address #019,9thFloor,Building6,33Xi'erqiMiddleRoad,HaidianDistrict, Beijing,China,100085 2.2DescriptionofEUT(S) ProductName2.4GHzWIFI+Bluetoothdual-modeModule SampleModleMHCWB8G-B SerialNo. TestItemVSWR,PeakGian,RadiationEfficiency,Radiationpattern FrequencyRange2400-2480MHz ReceivedDate2023.06.20 TestDate2023.06.20 RemarkRFCable:cablelength=50mm,IPEX 2.SampleInformation 2.1Clientinformation Page6of12 2.3EUTappearance 2.4DUTsetupphotooffreespaceOTAtesting 3.TestResults 3.1Teststandard NameParameterMethodStandardno. Page7of12 Mobile communication antenna VSWR Generic specificationfor antennasusedin themobile communications GB/T 9410-2008 Antennagain Radiationpattern Antenna Radiationefficiency IEEEStandard TestProcedures…

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