2AYLW-G8LTBLE01Remote Control Unit

Tech4home International, Lda Agent Authorization Letter 2021-01-19 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen Huaxia Testing Technology Co., Ltd to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Name: Miguel Valente Position: Total Quality Manager Company Name: Tech4home International, Lda Address: Startup Madeira, Campus da Penteada 9020-105 Funchal Portugal Tel / Fax +351256001930/ N/A E-Mail: [email protected]

Tech4home International, Lda Long Term Confidentiality Request Letter 2021-01-19 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (FCC ID: 2AYLW-G8LTBLE01) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Name: Miguel Valente Position: Total Quality Manager Company Name: Tech4home International, Lda Address: Startup Madeira, Campus da Penteada 9020-105 Funchal Portugal Tel / Fax +351256001930/ N/A E-Mail: [email protected]

Model difference letter 2021,01,19 Dear MET Reviewer, This is a new Application from Tech4home International, Lda Model No.: T4HiU2002 32k Gen8 Lite for ADO, T4HiU2001 32k Gen8 Lite for HOT Only the model T4HiU2002 32k Gen8 Lite for ADO was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance, pack and model name. Thank you for your cooperation! Yours sincerely, Signatory: Name: Miguel Valente Position: Total Quality Manager Company Name: Tech4home International, Lda Address: Startup Madeira, Campus da Penteada 9020-105 Funchal Portugal Tel / Fax +351256001930/ N/A E-Mail: [email protected]

FCC ID: 2AYLW-G8LTBLE01 Test Model No.: T4HiU2002 32k Gen8 Lite for ADO FCC ID: 2AYLW-G8LTBLE01 FCC ID: 2AYLW-G8LTBLE01

FCC ID: 2AYLW-G8LTBLE01

FCC ID: 2AYLW-G8LTBLE01 FCC ID: 2AYLW-G8LTBLE01

Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 RF Exposure Evaluation Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No.: CQASZ20201201530E-02 Applicant: Tech4home International, Lda Address of Applicant: Startup Madeira, Campus da Penteada 9020-105 Funchal Portugal Equipment Under Test (EUT): EUT Name: Remote Control Unit Model No.: T4HiU2002 32k Gen8 Lite for ADO, T4HiU2001 32k Gen8 Lite for HOT Test Model No.: T4HiU2002 32k Gen8 Lite for ADO Brand Name: Tech4home International, Lda FCC ID: 2AYLW-G8LTBLE01 Standards: 47 CFR Part 1.1307 47 CFR Part 2.1093 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: 2020-12-23 Date of Test: 2020-12-23 to 2020-12-30 Date of Issue: 2020-12-30 Test Result: PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By： (Tiny You ) Reviewed By: ( Ares Liu ) Approved By: (Sheek Luo) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201201530E-02 Page:2 of 6 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20201201530E-02 Rev.01 Initial report 2020-12-30 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201201530E-02 Page:3 of 6 2 Contents Page 1 VERSION ...................................................................................................................................................... 2 2 CONTENTS .................................................................................................................................................. 3 3 GENERAL INFORMATION .......................................................................................................................... 4 3.1 CLIENT INFORMATION .................................................................................................................................. 4 3.2 GENERAL DESCRIPTION OF EUT ................................................................................................................. 4 4 SAR EVALUATION ...................................................................................................................................... 5 4.1 RF EXPOSURE COMPLIANCE REQUIREMENT ................................................................................................ 5 4.1.1 Standard Requirement ..................................................................................................................... 5 4.1.2 Limits ................................................................................................................................................ 5 4.1.3 EUT RF Exposure ............................................................................................................................ 6 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201201530E-02 Page:4 of 6 3 General Information 3.1 Client Information Applicant: Tech4home International, Lda Address of Applicant: Startup Madeira, Campus da Penteada 9020-105 Funchal Portugal Manufacturer: Jiangsu Huitong Group Co.,Ltd. Address of Manufacturer: No.24, Block 2,Taohuawu New District Zhenjiang Jiangsu P.R.C Factory: Jiangsu Huitong Group Co.,Ltd. Address of Factory: No.24, Block 2,Taohuawu New District Zhenjiang Jiangsu P.R.C 3.2 General Description of EUT Product Name: Remote Control Unit All Model No.: T4HiU2002 32k Gen8 Lite for ADO, T4HiU2001 32k Gen8 Lite for HOT Test Model No.: T4HiU2002 32k Gen8 Lite for ADO Trade Mark: Tech4home International, Lda Hardware Version: GWA7.820.1071-5(V0.0) Software Version: 4HiU2002_32k_0231.01.01_APP_PLUS_BIM_PLUS_UDB_18.03.08.02 Operation Frequency: 2402MHz~2480MHz Bluetooth Version: V4.0 Modulation Type: GFSK Transfer Rate: 1Mbps Number of Channel: 40 Product Type: Mobile Portable Fix Location Test Software of EUT: Non_Signaling_Test_Tool (manufacturer declare) Antenna Type: PCB antenna Antenna Gain: 3.3dBi EUT Power Supply: 2XAAA battery:DC 3V Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201201530E-02 Page:5 of 6 4 SAR Evaluation 4.1 RF Exposure Compliance Requirement 4.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 4.1.2 Limits The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where nd distance are rounded to the nearest mW and mm before calculation 17 The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201201530E-02 Page:6 of 6 4.1.3 EUT RF Exposure 1) For BLE Measurement Data GFSK(1Mbps) mode Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) (mW) Lowest(2402MHz) 0.85 1.0±1 2.0 1.585 Middle(2440MHz) 1.26 1.0±1 2.0 1.585 Highest(2480MHz) 1.63 1.0±1 2.0 1.585 Worst case: GFSK(2Mbps) Channel Max…

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Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 TEST REPORT The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No. : CQASZ20201201530E-01 Applicant: Tech4home International, Lda Address of Applicant: Startup Madeira, Campus da Penteada 9020-105 Funchal Portugal Equipment Under Test (EUT): EUT Name: Remote Control Unit Model No.: T4HiU2002 32k Gen8 Lite for ADO, T4HiU2001 32k Gen8 Lite for HOT Test Model No.: T4HiU2002 32k Gen8 Lite for ADO Brand Name: Tech4home International, Lda FCC ID: 2AYLW-G8LTBLE01 Standards: 47 CFR Part 15, Subpart C Date of Receipt: 2020-12-23 Date of Test: 2020-12-23 to 2020-12-30 Date of Issue: 2020-12-30 Test Result : PASS* * In the configuration tested, the EUT complied with the standards specified above Tested By： (Tiny You ) Reviewed By: ( Ares Liu ) Approved By: (Sheek Luo) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201201530E-01 Page:2 of 42 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20201201530E-01 Rev.01 Initial report 2020-12-30 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201201530E-01 Page:3 of 42 2 Test Summary Test Item Test Requirement Test method Result Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) ANSI C63.10 2013 PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 ANSI C63.10 2013 N/A Conducted Peak Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(3) ANSI C63.10 2013 PASS 6dB Occupied Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(2) ANSI C63.10 2013 PASS Power Spectral Density 47 CFR Part 15, Subpart C Section 15.247 (e) ANSI C63.10 2013 PASS Band-edge for RF Conducted Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 2013 PASS RF Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 2013 PASS Radiated Spurious Emissions 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 2013 PASS Restricted bands around fundamental frequency (Radiated Emission) 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 2013 PASS N/A: When the EUT is powered by DC , So Not Applicable Model No.: T4HiU2002 32k Gen8 Lite for ADO, T4HiU2001 32k Gen8 Lite for HOT Only the model T4HiU2002 32k Gen8 Lite for ADO was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance, pack and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201201530E-01 Page:4 of 42 3 Contents Page 1 VERSION .................................................................................................................................................... 2 2 TEST SUMMARY ....................................................................................................................................... 3 3 CONTENTS ................................................................................................................................................ 4 4 GENERAL INFORMATION ........................................................................................................................ 5 4.1 CLIENT INFORMATION.............................................................................................................................. 5 4.2 GENERAL DESCRIPTION OF EUT ............................................................................................................. 5 4.3 ADDITIONAL INSTRUCTIONS ..................................................................................................................... 7 4.4 TEST ENVIRONMENT ............................................................................................................................... 8 4.5 DESCRIPTION OF SUPPORT UNITS ........................................................................................................... 8 4.6 STATEMENT OF THE MEASUREMENT UNCERTAINTY ................................................................................... 9 4.7 TEST LOCATION .................................................................................................................................... 10 4.8 TEST FACILITY ...................................................................................................................................... 10 4.9 DEVIATION FROM STANDARDS ............................................................................................................... 10 4.10 OTHER INFORMATION REQUESTED BY THE CUSTOMER ........................................................................... 10 4.11 EQUIPMENT LIST ................................................................................................................................... 11 5 TEST RESULTS AND MEASUREMENT DATA ...................................................................................... 12 5.1 ANTENNA REQUIREMENT ....................................................................................................................... 12 5.2 CONDUCTED PEAK OUTPUT POWER ...................................................................................................... 13 5.3 6DB OCCUPY BANDWIDTH..................................................................................................................... 16 5.4 POWER SPECTRAL DENSITY .................................................................................................................. 19 5.5 BAND-EDGE FOR RF CONDUCTED EMISSIONS ...........................…

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FCC ID: 2AYLW-G8LTBLE01 1 Photographs - EUT Test Setup 1.1 Radiated Emission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2AYLW-G8LTBLE01 Above 1GHz: