2AVDC-XDC03B2433EZ-BBell

2023-3-13SybersenseIOTCompanyConfidential 1 EZ-BBellV1UserGuide EZ-BBellV1ProductImage Introduction: EZ-BBellV1(XDC03)isasmartsecuritydoorbellpoweredbyeithertheembeddedrechargeablebatteryortheDC cable. Features: 1:1AspectRatio:160°x160°forcheckingboththevisitorandthepackage FullHDResolution:1536pwithHighDynamicRange Real-timeCommunication:Two-waytalktothevisitoronMobileAppandSecurityPanel InstantAlert:SecurityreportstoMobileAppandSecurityPanel On-deviceAI:AIHumanDetectionandcustomMotionZone ClearNightView:High-poweredIRsensorsmaintainHDnightvisionquality VideoHistoryPlayback:ReviewonMobileAppandPanel24/7events LongLastingBatteryLife:Built-inRechargeableBatteryaslongas4months DualRingButtonDesign:WallmountbackplatewithRFbuttonforsendingRingbuttoneventtoSecurityPanel andD3Chime,whenthedoorbellistakenoffforbatterycharging. Specification: FieldofView HFOV160°VFOV160° StreamingresolutionHD(720P)/FHD(1536P) WiFiWIFI:802.11b/g/n2.4GHz SubGRF433MHz MotionDetection110°@10FT Video/AudioStreamingFull-duplextwowaycall VideocompressionformatH.264 NightVisionB&WNightVision/850nm@10ft 2023-3-13SybersenseIOTCompanyConfidential 2 LEDRGBcolorstatusLED ChimeSecurityPanel(XP02)astheChime StorageCloudStorage:AmazonKVSVideostorage PowerBuilt-in6500mAhNon-removableBattery 5V2ATypc-CUSBDC SolarPanelOptionalforCharging OperationTemperature Productspec.:-20°C~50°C(Chargingfunction0°C~50°C) WaterproofIP54 Installation: Preparationsbeforepairing: 1.PanelNetwork: ThePanelshouldbeWiFiconnected,toreceivethecamerapairinginvitetokenfromthecloud. 2.Power: TheBatteryDoorbellshouldbepoweredon,eitheritsbatteryhavingsufficientpower,ordoorbellpluggedinthe chargingcable,orpluggedintheoptionalsolarpanel. 3.Account: ThePanelshouldberegisteredontheserver. 4.PairingMode TheBatteryDoorbellshouldbewakenupandinReadyforPairingmode(APmode). ToentertheAPmode,pressoncethebuttonLED,itwillturnfrombluebreathingtowhitebreathingandprompts “Readyforpairing”. Ifnot,pressandholdthebuttonuntiltheLEDisbluefastflashing,releaseittofactoryreset. 5.DoorbellNetwork TheBatteryDoorbellis2.4GWifi(not5GWifi)compatible. 2023-3-13SybersenseIOTCompanyConfidential 3 PanelandEZ-BBellV1(XDC03)DoorbellPairingSteps: 1.Enterpanelsettings,pressDevices,pressthe+signinthetoprightcorner,selectDoorbelltile. 2.PresstheLEDbuttonoftheAPmodeDoorbell. 3.PanelshowstheSNoftheDoorbell.Press“Yes”toconfirmtheDoorbell. 4.Wait1-2minutes,thedoorbellwillbeaddedintothepanel. Ifthedoorbellisnotshownonthecameralist,pleaserebootthepanelviapressing“RestartPanel”inPanelsettings. Warning： Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)This devicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation. FCCwarning: AnyChangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidthe user'sauthoritytooperatetheequipment. Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuantto part15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferencein aresidentialinstallation.Thisequipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnotinstalled andusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications.However, thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescause harmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon, theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. -Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected. -Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolledenvironment.This equipmentshouldbeinstalledandoperatedwithminimumdistance20cmbetweentheradiator&yourbody. ThisdevicecomplieswithIndustryCanadalicence-exemptRSSstandard(s).Operationissubjecttothefollowing twoconditions: (1)Thisdevicemaynotcauseinterference,and(2)Thisdevicemustacceptanyinterference,includinginterference thatmaycauseundesiredoperationofthedevice. LeprésentappareilestconformeauxCNRd'IndustrieCanadaapplicablesauxappareilsradioexemptsdelicence. L'exploitationestautoriséeauxdeuxconditionssuivantes: (1)l'appareilnedoitpasproduiredebrouillage,et (2)l'utilisateurdel'appareildoitacceptertoutbrouillageradioélectriquesubi,mêmesilebrouillageestsusceptible d'encompromettrelefonctionnement. ThisequipmentcomplieswithICRSS-102radiationexposurelimitssetforthforanuncontrolledenvironment.This equipmentshouldbeinstalledandoperatedwithminimumdistance20cmbetweentheradiator&yourbody. Cetéquipementestconformeauxlimitesd'expositionauxrayonnementsICétabliespourunenvironnementnon contrôlé.Cetéquipementdoitêtreinstalléetutiliséavecunminimumde20cmdedistanceentrelasourcede rayonnementetvotrecorps. Thedistancebetweenuserandproductsshouldbenolessthan20cm.

FCC ID: 2AVDC-XDC03B2433 IC: 28332-XDC03B2433 Page 1 of 3 Photos of EUT External Photo External Photo Page 2 of 3 External Photo External Photo Page 3 of 3 External Photo External Photo

FCC ID: 2AVDC-XDC03B2433 IC: 28332-XDC03B2433 Label Location

FCC ID: 2AVDC-XDC03B2433 IC: 28332-XDC03B2433 Page 1 of 10 Photos of EUT Internal Photo Internal Photo Page 2 of 10 Internal Photo Internal Photo Page 3 of 10 Internal Photo Internal Photo Page 4 of 10 Internal Photo Internal Photo Page 5 of 10 Internal Photo Internal Photo Page 6 of 10 Internal Photo Internal Photo 433.95MHz Transmitting Antenna Page 7 of 10 Internal Photo Internal Photo 2.4G Wi-Fi Transmitting Antenna Page 8 of 10 Internal Photo Internal Photo Page 9 of 10 Internal Photo Internal Photo Page 10 of 10 Internal Photo Internal Photo

INTERTEK TESTING SERVICES RF Exposure The equipment under test (EUT) is a EZ-BBell with 2.4G Wi-Fi function operating in 2412-2462MHz for 802.11b/g/n-HT20/n-HT40, 11 channels with 5MHz channel spacing and Sub-GHz function operating in 433.95MHz. The EUT is powered by 5V⎓2A (Internal Li-ion battery:3.7V==,6400mAh,23.68Wh). For more detail information pls. refer to the user manual. MPE evaluation for 2.4G Wi-Fi function 2.4GHz Wi-Fi: Antenna Type: Integral Antenna (LDS) Antenna Gain: 2.38dBi Max. Modulation Type: BPSK, QPSK, 16QAM, 64QAM for OFDM; CCK, DQPSK, DBPSK for DSSS. The normal radiated output power (e.i.r.p) is: 21.38dBm (tolerance: +/-4dB). The normal conducted output power is 19.0dBm (tolerance: +/-4dB). The maximum conducted output power for the EUT is 22.9dBm in the frequency 2.462GHz 802.11g mode which is within the production variation. The minimum conducted output power for the EUT is 15.9dBm in the frequency 2.412GHz 802.11b mode which is within the production variation. According to FCC Part 2.1091, this unlicensed transmitting devices is categorically excluded from routine environmental evaluation for RF exposure prior to equipment authorization or use, according to the KDB 447498 and OET 65, the simple calculation as below: The source-based time averaged maximum radiated power = 21.38dBm+4dB= 25.38dBm = 199.5mW At the distance (R) of 20cm to 40cm and in 0.3 GHz to 6 GHz, MPE Exclusion Threshold Level: The MPE limit is 3060mW for general population and uncontrolled exposure in the 2.4GHz frequency range according to FCC Part 1.1307. As The source-based time averaged maximum radiated power at 20cm from the transmitter is lower than the MPE limit, the compliance to the MPE limit can be ensured by indicating the minimum 20cm separation between the transmitter's radiating structure and body of the user or nearby persons. FCC ID: 2AVDC-XDC03B2433 INTERTEK TESTING SERVICES MPE evaluation for Sub-GHz function 433.95MHz: Antenna Type: Integral Antenna (LDS) Antenna Gain: -3.72dBi Max. Modulation Type: OOK The normal radiated output power (e.i.r.p) is: -7.0dBm (tolerance: +/-2dB). The normal conducted output power is -3.28dBm (tolerance: +/-2dB). The Maximum peak radiated emission for the EUT is 87.7 dBμV/m at 3m in the frequency 433.95MHz The EIRP = [(FS*D) ^2 / 30] mW = -7.5 dBm which is within the production variation. According to FCC Part 2.1091, this unlicensed transmitting devices is categorically excluded from routine environmental evaluation for RF exposure prior to equipment authorization or use, according to the KDB 447498 and OET 65, the simple calculation as below: The source-based time averaged maximum conducted output power = -3.28dBm+2dB= -1.28dBm = 0.745mW At the distance (R) of 20cm to 40cm and in 0.3 GHz to 6 GHz, MPE Exclusion Threshold Level: The MPE limit is 885.258mW for general population and uncontrolled exposure in the 0.43395GHz frequency range according to FCC Part 1.1307. As The source-based time averaged maximum conducted output power at 20cm from the transmitter is lower than the MPE limit, the compliance to the MPE limit can be ensured by indicating the minimum 20cm separation between the transmitter's radiating structure and body of the user or nearby persons. FCC ID: 2AVDC-XDC03B2433 INTERTEK TESTING SERVICES Simultaneous Transmission MPE Evaluation For Simultaneous transmitting of 2.4GHz Wi-Fi and433.95MHz Sub-GHz, according to KDB 447498 and FCC Part 1.1307. The sum of the ratios of the spatially averaged results to the applicable frequency dependent MPE limits = 199.5/3060 + 0.745/885.258=0.066 < 1 Since the sum of the MPE ratios for all simultaneously transmitting antennas incorporated in the device is ≤ 1.0, the EUT is considered to satisfy MPE compliance for simultaneous transmission operations. The following RF exposure statement or similar sentence is proposed to be included in the user manual: “FCC RF Radiation Exposure Statement Caution: This Transmitter must be installed to provide a separation distance of at least 20 cm from all persons.” FCC ID: 2AVDC-XDC03B2433

SYBER SENSE IOT COMPANY LIMITED TEST REPORT SCOPE OF WORK FCC TESTING–EZ-BBELL V1 REPORT NUMBER 230306038SZN-001 ISSUE DATE [REVISED DATE] March 28, 2023 [--------------------] PAGES 29 DOCUMENT CONTROL NUMBER FCC ID 247_b © 2017 INTERTEK 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community, GuanHu Subdistrict, LongHua District, Shenzhen, P.R. China. Tel: (86 755) 8601 6288 Fax: (86 755) 8601 6751 www.intertek.com TEST REPORT Intertek Report No.: 230306038SZN-001 This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. Intertek Testing Services Shenzhen Ltd. Longhua Branch 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community, GuanHu Subdistrict, LongHua District, Shenzhen, P.R. China. Tel: (86 755) 8601 6288 Fax: (86 755) 8601 6751 Version: 01-November-2017 Page: 1 of 29 FCC ID 247_b SYBER SENSE IOT COMPANY LIMITED Application For Certification FCC ID: 2AVDC-XDC03B2433 EZ-BBell Model: EZ-BBell V1 2.4GHz Wi-Fi Transceiver Report No.: 230306038SZN-001 We hereby certify that the sample of the above item is considered to comply with the requirements of FCC Part 15, Subpart C for Intentional Radiator, mention 47 CFR [10-1-21] Prepared and Checked by: Approved by: Robin Zhou Ryan Chen Senior Project Engineer Project Engineer Date: March 28, 2023 TEST REPORT Intertek Report No.: 230306038SZN-001 Version: 01-November-2017 Page: 2 of 29 FCC ID 247_b MEASUREMENT/TECHNICAL REPORT This report concerns (check one) Original Grant X Class II Change Equipment Type: DTS - Part 15 Digital Transmission Systems (Wi-Fi transmitter portion) Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes No X If no, assumed Part 15, Subpart C for intentional radiator - the new 47 CFR [10-01-21] Edition] provision. Report prepared by: Robin Zhou Intertek Testing Services Shenzhen Ltd. Longhua Branch 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community, GuanHu Subdistrict, LongHua District, Shenzhen, P.R. China. Tel: (86 755) 8614 0743 Fax: (86 755) 8601 6661 TEST REPORT Intertek Report No.: 230306038SZN-001 Version: 01-November-2017 Page: 3 of 29 FCC ID 247_b Table of Contents 1.0 Summary of Test results ............................................................................................... 4 2.0 General Description ..................................................................................................... 5 2.1 Product Description .......................................................................................................... 5 2.2 Related Submittal(s) Grants .............................................................................................. 5 2.3 Test Methodology ............................................................................................................. 5 2.4 Test Facility ....................................................................................................................... 5 3.0 System Test Configuration ............................................................................................ 6 3.1 Justification ....................................................................................................................... 6 3.2 EUT Exercising Software .................................................................................................... 6 3.3 Special Accessories ............................................................................................................ 6 3.4 Measurement Uncertainty ................................................................................................ 7 3.5 Equipment Modification ................................................................................................... 7 3.6 Support Equipment List and Description ......................................................................... 7 4.0 Measurement Results .................................................................................................. 8 4.1 Maximum Conducted Output Power at Antenna Terminals ................................................ 8 4.2 Minimum 6 dB RF Bandwidth ............................................................................................ 9 4.3 Maximum Power Density Reading .................................................................................. 10 4.4 Out of Band Conducted Emissions................................................................................... 11 4.5 Out of Band Radiated Emissions ...................................................................................... 12 4.6 Transmitter Radiated Emissions in Restricted Bands ....................................................... 13 4.7 Field Strength Calculation................................................................................................ 14 4.8 Radiated Spurious Emission ............................................................................................ 15 4.9 Conduc…

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Appendix of 230306038SZN-001 Page 1 of 41 Appendix A1:6dB Emission Bandwidth Test Result TestMode Antenna Channel 6db EBW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11G Ant1 2412 12.900 2405.490 2418.390 >=0.5 PASS 2437 13.830 2429.530 2443.360 >=0.5 PASS 2462 13.860 2454.530 2468.390 >=0.5 PASS 11N20SISO Ant1 2412 13.920 2405.670 2419.590 >=0.5 PASS 2437 13.920 2429.470 2443.390 >=0.5 PASS 2462 13.920 2454.470 2468.390 >=0.5 PASS 11N40SISO Ant1 2422 35.220 2404.420 2439.640 >=0.5 PASS 2437 35.220 2419.420 2454.640 >=0.5 PASS 2452 35.220 2434.420 2469.640 >=0.5 PASS 11B Ant1 2412 10.080 2406.990 2417.070 >=0.5 PASS 2437 9.630 2431.960 2441.590 >=0.5 PASS 2462 9.360 2457.230 2466.590 >=0.5 PASS Appendix of 230306038SZN-001 Page 2 of 41 Test Graphs 11G_Ant1_2412 11G_Ant1_2437 Appendix of 230306038SZN-001 Page 3 of 41 11G_Ant1_2462 11N20SISO_Ant1_2412 Appendix of 230306038SZN-001 Page 4 of 41 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 Appendix of 230306038SZN-001 Page 5 of 41 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Appendix of 230306038SZN-001 Page 6 of 41 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 Appendix of 230306038SZN-001 Page 7 of 41 Appendix A2: 99%Occupied channel bandwidth Test Result TestMode Antenna Channel OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11G Ant1 2412 17.742 2403.189 2420.931 --- PASS 2437 17.682 2428.129 2445.811 --- PASS 2462 17.652 2453.129 2470.781 --- PASS 11N20SISO Ant1 2412 18.432 2402.889 2421.321 --- PASS 2437 18.372 2427.859 2446.231 --- PASS 2462 18.312 2452.859 2471.171 --- PASS 11N40SISO Ant1 2422 36.144 2403.958 2440.102 --- PASS 2437 36.204 2418.838 2455.042 --- PASS 2452 36.144 2433.838 2469.982 --- PASS 11B Ant1 2412 14.595 2404.777 2419.373 --- PASS 2437 14.655 2429.627 2444.283 --- PASS 2462 14.625 2454.627 2469.253 --- PASS Appendix of 230306038SZN-001 Page 8 of 41 Test Graphs 11G_Ant1_2412 11G_Ant1_2437 Appendix of 230306038SZN-001 Page 9 of 41 11G_Ant1_2462 11N20SISO_Ant1_2412 Appendix of 230306038SZN-001 Page 10 of 41 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 Appendix of 230306038SZN-001 Page 11 of 41 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Appendix of 230306038SZN-001 Page 12 of 41 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 Appendix of 230306038SZN-001 Page 13 of 41 Appendix B: Maximum Conducted Peak Power Test Result TestMode Antenna Channel Power [dBm] Limit[dBm] Verdict 11G Ant1 2412 22.5 30.0 PASS 2437 22.5 30.0 PASS 2462 22.9 30.0 PASS 11N20SISO Ant1 2412 22.1 30.0 PASS 2437 22.1 30.0 PASS 2462 22.2 30.0 PASS 11N40SISO Ant1 2422 20.1 30.0 PASS 2437 20.4 30.0 PASS 2452 20.7 30.0 PASS 11B Ant1 2412 15.9 30.0 PASS 2437 16.1 30.0 PASS 2462 16.2 30.0 PASS Appendix of 230306038SZN-001 Page 14 of 41 Appendix C: Maximum power spectral density Test Result TestMode Antenna Channel Result Limit Verdict 11G Ant1 2412 -10.3 <=8 PASS 2437 -9.52 <=8 PASS 2462 -9.14 <=8 PASS 11N20SISO Ant1 2412 -10.99 <=8 PASS 2437 -11.17 <=8 PASS 2462 -10.82 <=8 PASS 11N40SISO Ant1 2422 -21.85 <=8 PASS 2437 -22.1 <=8 PASS 2452 -20.79 <=8 PASS 11B Ant1 2412 5.81 <=8 PASS 2437 5.49 <=8 PASS 2462 5.87 <=8 PASS Note：The Duty Cycle Factor is compensated in the graph. Appendix of 230306038SZN-001 Page 15 of 41 Test Graphs 11G_Ant1_2412 11G_Ant1_2437 Appendix of 230306038SZN-001 Page 16 of 41 11G_Ant1_2462 11N20SISO_Ant1_2412 Appendix of 230306038SZN-001 Page 17 of 41 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 Appendix of 230306038SZN-001 Page 18 of 41 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Appendix of 230306038SZN-001 Page 19 of 41 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 Appendix of 230306038SZN-001 Page 20 of 41 Appendix D: Band edge measurements Test Result TestMode Antenna ChName Channel Result Limit Verdict 11G Ant1 Low 2412 -22.68 <=-14.63 PASS High 2462 -39.22 <=-16.05 PASS 11N20SISO Ant1 Low 2412 -24.33 <=-16.16 PASS High 2462 -37.08 <=-15.86 PASS 11N40SISO Ant1 Low 2422 -31.64 <=-19.68 PASS High 2452 -34.59 <=-19.56 PASS 11B Ant1 Low 2412 -28.4 <=-14.23 PASS High 2462 -52.86 <=-13.25 PASS Appendix of 230306038SZN-001 Page 21 of 41 Test Graphs 11G_Ant1_Low_2412 11G_Ant1_High_2462 Appendix of 230306038SZN-001 Page 22 of 41 11N20SISO_Ant1_Low_2412 11N20SISO_Ant1_High_2462 Appendix of 230306038SZN-001 Page 23 of 41 11N40SISO_Ant1_Low_2422 11N40SISO_Ant1_High_2452 11B_Ant1_Low_2412 Appendix of 230306038SZN-001 Page 24 of 41 11B_Ant1_High_2462 Appendix of 230306038SZN-001 Page 25 of 41 Appendix E: Conducted Spurious Emission Test Result TestMode Antenna Channel FreqRange Max. Fre Max. Level Limit Verdict 11G Ant1 2412 Reference 5.32 5.32 --- PASS 0.009~2400 5.32 -21.78 <=- 14.68 PASS 2483.5~25000 5.32 -50.61 <=- 14.68 PASS 2437 Reference 5.55 5.55 --- PASS 0.009~2400 5.55 -37.5 <=- 14.45 PASS 2483.5~25000 5.55 -52.01 <=- 14.45 PASS 2462 Reference 4.46 4.46 --- PASS 0.009~2400 4.46 -40.75 <=- 15.54 PASS 2483.5~25000 4.46 -42.25 <=- 15.54 PASS 11N20SISO Ant1 2412 Reference 3.33 3.33 --- PASS 0.009~2400 3.33 -26.18 <=- 16.67 PASS 2483.5~25000 3.33 -51.87 <=- 16.67 PASS 2437 Reference 4.56 4.56 --- PASS 0.009~2400 4.56 -39.57 <=- 15.44 PASS 2483.5~25000 4.56 -51.96 <=- 15.44 PASS 2462 Reference 4.65 4.65 --- PASS 0.009~2400 4.65 -37.84 <=- 15.35 PASS 2483.5~25000 4.65 -42.47 <=- 15.35 PASS 11N40SISO Ant1 2422 Reference -0.23 -0.23 --- PASS 0.009~2400 -0.23 -30.4 <=- 20.23 PASS 2483.5~25000 -0.23 -51.78 <=- 20.23 PASS 2437 Reference 0.87 0.87 --- PASS 0.009~2400 0.87 -37.89 <=- 19.13 PASS Appendix of 230306038SZN-001 Page 26 of 41 2483.5~25000 0.87 -51.51 <=- 19.13 PASS 2452 Reference 0.37 0.37 --- PASS 0.009~2400 0.37 -37.85 <=- 19.63 PASS 2483.5~25000 0.37 -41.19 <=- 19.63 PASS 11B Ant1 2412 Reference 6.99 6.99 --- PASS 0.009~2400 6.99 -28.68 <=- 13.01 PASS 2483.5~25000 6.99 -42.81 <=- 13.01 PASS 2437 Reference 6.36 6.36 --- PASS 0.009~2400 6.36 -34.85 <=- 13.64 PASS 2483.5~25000 6.36 -45.24 <=- 13.64 PASS 2462 Reference 7.87 7.87 --- PASS 0.009~2400 7.87 -35.45 <=- 12.13 PASS 2483.5~25000 7.87 -45.31 <=- 12.13 PASS Appendix …

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Storage Temperature Antenna Manufacturer Shenzhen Kenhaitong Antenna Technology CO.,LTD Isolation Polarization Input Impedance Material Maximum Input Power Operation Temperature 2.4G≥20dB433≥25dB -86.5 -86.02 -85.619.1 433：-3.72 433：9.2 433<1.5 typ. 433<-16 typ. Conduct TIS -40°C ~ +85°C Support+LDS 2.4G：2.38 Linear 50Ω No changes to the match Matching Circuit 433 Electrical Parameter 2400-2500Frequency Range (MHz) WIFI OTA/Conducted Data Band -88 -89 -89 19 19.1 TIS Antenna Test Report Manufacturer Model Name Date Designer RCk XDCO3 2023.3.20 zhangye 2.4G：47.9 2.4G<1.5 typ. 2.4G<-13 typ. MAX Gain(dBi) Average Efficiency (%) VSWR Return Loss (dB) 10W -40°C ~ +85°C 6 11 17.32 17.17 17.41 Channel TRP Conduct TRP -73.116.8-77 Shenzhen Kenhaitong Antenna Technology CO.,LTD 16.01 802.11b（11Mbps） 1 802.11g（54Mbps） 1 WiFi 1 433 VSWRVSWR FrequencyEfficiencyGain (MHz)(%)(dBi) 2400 46.462.09 2410 47.352.09 2420 48.41.93 2430 46.771.8 2440 482.12 2450 48.172.38 2460 48.292.04 2470 48.642.16 2480 48.72.22 2490 48.092.14 2500 48.122.32 Average47.912.12 FrequencyEfficiencyGain (MHz)(%)(dBi) 4308.26-4.06 4318.41-3.86 4328.66-3.72 4339.21-3.75 4349.47-3.97 4359.03-4 Average8.84-3.89 Return Loss Return Loss Antenna S11 Parameters Antenna Efficiency/Gain/Directional Diagram 15.92 16.8 16.8 -85 -85 -73 -85 16.8 16.7-77 -72.1116.8-7815.94 81.78 81.32 802.11n(MCS2) 1 6 16.1 16.32 82.62 11 433 WiFi 2.4G 16.56 802.11g（54Mbps） 6 11 Antenna Structure Diagram Z X Y

FCC ID: 2AVDC-XDC03B2433 IC: 28332-XDC03B2433 Page 1 of 2 RADIATED EMISSION TEST SET-UP The rear of EUT is flushed with the rear of turntable Front View (Below 1GHz) Back View (Below 1GHz) Page 2 of 2 The EUT is placed at the center of turntable Front View (Above 1GHz) Back View (Above 1GHz)

FCC ID: 2AVDC-XDC03B2433 IC: 28332-XDC03B2433 Page 1 of 1 CONDUCTED EMISSION TEST SET-UP Front View Side View