2ATIZH3Heater

GuangdongInvitopTechnologyCo.,Ltd Date:August01,2022 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2ATIZH3 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName Schematics BlockDiagram OperationalDescription Schematic.pdf BlockDiagram.pdf OperationDescription.pdf Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. Sincerely, GuangdongInvitopTechnologyCo.,Ltd Signature TomChen/QCmanager TypednameandTitle

GuangdongInvitopTechnologyCo.,Ltd FCCID:2ATIZH3 POWEROFATTORNEY Date:August01,2022 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 ToWhomItMayConcern: We,theundersigned,herebyauthorizeWaltekTestingGroup(Foshan)Co.,Ltd. (DaraZhou)onourbehalf,toapplytotheFederalCommunicationsCommissionon ourequipment.AnyandallactscarriedoutbyWaltekTestingGroup(Foshan)Co., Ltd.(DaraZhou)onourbehalfshallhavethesameeffectasactsofourown. ThisauthorizationexpiresonAugust01,2023. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct. We,GuangdongInvitopTechnologyCo.,Ltdarenotsubjecttoadenialoffederal benefitspursuanttoSection5301oftheAnti-DrugActof1988,21USC853a,and nopartytotheapplicationissubjecttoadenialoffederalbenefitspursuant tothatsection. Sincerely, GuangdongInvitopTechnologyCo.,Ltd Signature TomChen/QCmanager TypednameandTitle

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Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Page 1 of 6 WT-510-201-12-A TEST REPORT Reference No. .................... : WTZ22F07137190W FCC ID ................................ : 2ATIZH3 Applicant ............................ : Guangdong Invitop Technology Co.,Ltd Address .............................. : Minsen Information Technology Industrial Park East of Jinsan Avenue, Sanjiao Zhongshan, Guangdong China Manufacturer .................... : The same as above Address .............................. : The same as above Product Name .................... : Heater Model No. ........................... : H3 Test specification .............. : FCC CFR47 Part 1 Subpart I (Section1.1307): 2020 Date of Receipt sample .... : 2022-07-07 Date of Test ....................... : 2022-07-07 Date of Issue ...................... : 2022-08-11 Test Report Form No. ....... : WEW-MPE-01A Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Foshan) Co., Ltd. Address: No.13-19, 2/F., 2nd Building, Sunlink International Machinery City, Chencun, Shunde District, Foshan, Guangdong, China Tel:+86-757-23811398 Fax:+86-757-23811381 E-mail:[email protected] Tested by: Approved by: Kyrie Yun Danny Zhou Reference No.: WTZ22F07137190W Page 2 of 6 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 1 Revision History Test Report No. Date of Issue Description Status WTZ22F07137190W 2022-08-11 Original Valid Reference No.: WTZ22F07137190W Page 3 of 6 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 2 Contents Page 1 REVISION HISTORY ................................................................................................................................. 2 2 CONTENTS ............................................................................................................................................... 3 3 GENERAL INFORMATION ....................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T ................................................................................................... 4 3.2 TECHNICAL CHARACTERISTICS OF WIFI MODE ................................................................................. 4 3.3 TECHNICAL CHARACTERISTICS OF BLE MODE .................................................................................. 4 3.4 DISCLAIMER .................................................................................................................................... 4 4 MAXIMUM PERMISSIBLE EXPOSURE (MPE) ....................................................................................... 5 4.1 STANDARD APPLICABLE................................................................................................................... 5 4.2 MPE CALCULATION METHOD........................................................................................................... 6 4.3 MPE CALCULATION RESULT ............................................................................................................ 6 Reference No.: WTZ22F07137190W Page 4 of 6 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 3 General Information 3.1 General Description of E.U.T Product Name ............................... : Heater Model No. ..................................... : H3 Model Description ........................ : --- Rated Voltage................................ : AC 120V, 60Hz, 1500W 3.2 Technical Characteristics of WiFi Mode Support Standards ....................... : 802.11b, 802.11g, 802.11n Frequency Range ......................... : 2412-2462MHz for 802.11b/g/n(HT20) RF Output Power .......................... : 16.62dBm (Conducted ) Modulation .................................... : 802.11b: DSSS(DBPSK/DQPSK/CCK) 802.11g/n: OFDM (BPSK/QPSK/16QAM/64QAM) Data Rate ....................................... : 1Mbps for 802.11b;54Mbps for 802.11g;MCS7 for 802.11n Quantity of Channels ................... : 11 for 802.11b/g/n(HT20) Channel Separation ...................... : 5MHz Type of Antenna ........................... : PCB Printed Antenna Antenna Gain ................................ : 2.5dBi Lowest Oscillation ........................ : 40MHz 3.3 Technical Characteristics of BLE Mode Bluetooth Version ........................ : V4.2(BLE mode) Frequency Range ......................... : 2402-2480MHz RF Output Power .......................... : 6.50dBm (Conducted ) Modulation .................................... : GFSK Data Rate ....................................... : 1Mbps Quantity of Channels ................... : 40 Channel Separation ...................... : 2MHz Type of Antenna ........................... : PCB Printed Antenna Antenna Gain ................................ : 2.5dBi Lowest Oscillation ........................ : 40MHz 3.4 Disclaimer The antenna gain information is provided by the customer. The laboratory is not responsible for the accuracy of the antenna gain information. Reference No.: WTZ22F07137190W Page 5 of 6 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 4 MAXIMUM PERMISSIBLE EXPOSURE (MPE) 4.1 Standard Applicable According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. (a) Limits for Occupational / Controlled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW…

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Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Page 1 of 49 WT-510-201-12-A TEST REPORT Reference No. .................... : WTZ22F07137187W FCC ID ................................ : 2ATIZH3 Applicant ............................ : Guangdong Invitop Technology Co.,Ltd Address .............................. : Minsen Information Technology Industrial Park East of Jinsan Avenue, Sanjiao Zhongshan, Guangdong China Manufacturer .................... : The same as above Address .............................. : The same as above Product Name .................... : Heater Model No. ........................... : H3 Test specification .............. : FCC CFR47 Part 15 Subpart C (Section 15.247): 2020 Date of Receipt sample .... : 2022-07-07 Date of Test ....................... : 2022-07-07 to 2022-07-27 Date of Issue ...................... : 2022-08-11 Test Report Form No. ....... : WEW-15247A-01A Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Foshan) Co., Ltd. Address: No.13-19, 2/F., 2nd Building, Sunlink International Machinery City, Chencun, Shunde District, Foshan, Guangdong, China Tel:+86-757-23811398 Fax:+86-757-23811381 E-mail:[email protected] Tested by: Approved by: Kyrie Yun Danny Zhou Reference No.: WTZ22F07137187W Page 2 of 49 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 1 Revision History Test Report No. Date of Issue Description Status WTZ22F07137187W 2022-08-11 Original Valid Reference No.: WTZ22F07137187W Page 3 of 49 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 2 Contents Page 1 REVISION HISTORY ................................................................................................................................. 2 2 CONTENTS ............................................................................................................................................... 3 3 GENERAL INFORMATION ....................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T ................................................................................................... 4 3.2 TECHNICAL CHARACTERISTICS OF EUT ........................................................................................... 4 3.3 STANDARDS APPLICABLE FOR TESTING ............................................................................................ 4 3.4 TEST FACILITY ................................................................................................................................ 5 3.5 SUBCONTRACTED ........................................................................................................................... 5 3.6 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................ 5 3.7 DISCLAIMER .................................................................................................................................... 5 4 EUT SETUP AND TEST MODE ................................................................................................................ 6 5 EQUIPMENT USED DURING TEST ......................................................................................................... 7 5.1 EQUIPMENT LIST ............................................................................................................................. 7 5.2 TEST SOFTWARE ............................................................................................................................ 8 5.3 SPECIAL ACCESSORIES AND AUXILIARY EQUIPMENT ......................................................................... 8 5.4 MEASUREMENT UNCERTAINTY ......................................................................................................... 8 6 SUMMARY OF TEST RESULT ................................................................................................................ 9 6.1 ANTENNA REQUIREMENT ............................................................................................................... 10 6.2 RADIATED SPURIOUS EMISSIONS ................................................................................................... 11 6.3 POWER SPECTRAL DENSITY .......................................................................................................... 21 6.4 DTS BANDWIDTH .......................................................................................................................... 23 6.5 RF OUTPUT POWER ...................................................................................................................... 25 6.6 OUT OF BAND EMISSIONS .............................................................................................................. 27 6.7 CONDUCTED EMISSIONS................................................................................................................ 32 7 PHOTOGRAPHS TEST SETUP ............................................................................................................. 36 7.1 PHOTOGRAPHS - RADIATED EMISSION TEST SETUP ........................................................................ 36 7.2 PHOTOGRAPHS – CONDUCTED EMISSION TEST SETUP ................................................................... 37 8 PHOTOGRAPHS - CONSTRUCTIONAL DETAILS ............................................................................... 38 8.1 EUT - EXTERNAL PHOTOS ............................................................................................................. 38 8.2 EUT - INTERNAL PHOTOS ..............................................…

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Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Page 1 of 62 WT-510-201-12-A TEST REPORT Reference No. .................... : WTZ22F07137185W FCC ID ................................ : 2ATIZH3 Applicant ............................ : Guangdong Invitop Technology Co.,Ltd Address .............................. : Minsen Information Technology Industrial Park East of Jinsan Avenue, Sanjiao Zhongshan, Guangdong China Manufacturer .................... : The same as above Address .............................. : The same as above Product Name .................... : Heater Model No. ........................... : H3 Test specification .............. : FCC CFR47 Part 15 Subpart C (Section 15.247):2020 Date of Receipt sample .... : 2022-07-07 Date of Test ....................... : 2022-07-07 to 2022-07-27 Date of Issue ...................... : 2022-08-11 Test Report Form No. ....... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Foshan) Co., Ltd. Address: No.13-19, 2/F., 2nd Building, Sunlink International Machinery City, Chencun, Shunde District, Foshan, Guangdong, China Tel:+86-757-23811398 Fax:+86-757-23811381 E-mail:[email protected] Tested by: Approved by: Kyrie Yun Danny Zhou Reference No.: WTZ22F07137185W Page 2 of 62 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 1 Revision History Test Report No. Date of Issue Description Status WTZ22F07137185W 2022-08-11 Original Valid Reference No.: WTZ22F07137185W Page 3 of 62 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 2 Contents Page 1 REVISION HISTORY ................................................................................................................................. 2 2 CONTENTS ............................................................................................................................................... 3 3 GENERAL INFORMATION ....................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T ................................................................................................... 4 3.2 TECHNICAL CHARACTERISTICS OF EUT ........................................................................................... 4 3.3 STANDARDS APPLICABLE FOR TESTING ............................................................................................ 4 3.4 TEST FACILITY ................................................................................................................................ 5 3.5 SUBCONTRACTED ........................................................................................................................... 5 3.6 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................ 5 4 EUT SETUP AND TEST MODE ................................................................................................................ 6 5 EQUIPMENT USED DURING TEST ......................................................................................................... 7 5.1 EQUIPMENT LIST ............................................................................................................................. 7 5.2 SPECIAL ACCESSORIES AND AUXILIARY EQUIPMENT ......................................................................... 8 5.3 MEASUREMENT UNCERTAINTY ......................................................................................................... 8 6 SUMMARY OF TEST RESULT ................................................................................................................ 9 6.1 ANTENNA REQUIREMENT ............................................................................................................... 10 6.2 RADIATED SPURIOUS EMISSIONS ................................................................................................... 11 6.3 POWER SPECTRAL DENSITY .......................................................................................................... 21 6.4 DTS BANDWIDTH .......................................................................................................................... 27 6.5 RF OUTPUT POWER ...................................................................................................................... 33 6.6 OUT OF BAND EMISSIONS .............................................................................................................. 40 6.7 CONDUCTED EMISSIONS................................................................................................................ 45 7 PHOTOGRAPHS TEST SETUP ............................................................................................................. 49 7.1 PHOTOGRAPHS - RADIATED EMISSION TEST SETUP ........................................................................ 49 7.2 PHOTOGRAPHS – CONDUCTED EMISSION TEST SETUP ................................................................... 50 8 PHOTOGRAPHS - CONSTRUCTIONAL DETAILS ............................................................................... 51 8.1 EUT - EXTERNAL PHOTOS ............................................................................................................. 51 8.2 EUT - INTERNAL PHOTOS .............................................................................................................. 54 Reference No.: WTZ22F07137185W Page 4 of 62 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 3 General Information 3.1 General Description of E.U.T Product Name ............................... : Heater Model No. ..................................... :…

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Model: H3 Page 1 of 2 Test Setup For Radiated Emission (30MHz to 1GHz) Test Setup For Radiated Emission (Above 1GHz) Model: H3 Page 2 of 2 Test Setup For Conducted Emission