2A9ZG-AL01door bell

Shenzhen Ailite Intelligence Co., LTD Model Difference 2023-01-10 EUT NAME: door bell MODEL : AL01, AL02, AL03, AL04 FCC ID: 2A9ZG-AL01 All the model are the same circuit and RF module, only for model name and color. Regards Sincerely Client’s signature: Client’s name / title : Cai Hongqi / Manager Contact information / address: Floor 3, Building B, Zone A, Jiujiu Industrial Zone, Shatou Community, Shajing Street, Bao 'an District, Shenzhen City, China

Shenzhen Ailite Intelligence Co., LTD 2023.01.10 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: door bell Trademark: N/A MODEL : AL01, AL02, AL03, AL04 FCC ID : 2A9ZG-AL01 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 - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Cai Hongqi / Manager Contact information / address: Floor 3, Building B, Zone A, Jiujiu Industrial Zone, Shatou Community, Shajing Street, Bao 'an District, Shenzhen City, China

Shenzhen Ailite Intelligence Co., LTD 2023.01.10 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing 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, Client’s signature: Client’s name / title : Cai Hongqi / Manager Contact information / address: Floor 3, Building B, Zone A, Jiujiu Industrial Zone, Shatou Community, Shajing Street, Bao 'an District, Shenzhen City, China

External Photos

Size:20*10mm door bell FCC ID: 2A9ZG-AL01 Label location

Internal Photos Antenna

Antenna specification Manufacturers: SHENZHEN GM ELECTRONICS CO., LTD Address: 709, 8206 Baoan Avenue, Shajing Town, Baoan District, Shenzhen, China Model: AL01 Antenna size: BOT TOP 19mm 40mm 33mm 11mm 1.5mm 33mm 26mm 29mm 26.5mm

No.：BCTC/RF-EMC-005 Page: 1 of 29 Edition：A.5 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2212616617E Applicant: Shenzhen Ailite Intelligence Co., LTD Product Name: door bell Model/Type Ref.: AL01 Tested Date: 2022-12-16 to 2023-01-09 Issued Date: 2023-01-09 Report No.: BCTC2212616617E No.：BCTC/RF-EMC-005 Page: 2 of 29 Edition：A.5 FCC ID: 2A9ZG-AL01 The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: door bell Trademark: N/A Model/Type Ref.: AL01 AL02, AL03, AL04 Prepared For: Shenzhen Ailite Intelligence Co., LTD Address: Floor 3, Building B, Zone A, Jiujiu Industrial Zone, Shatou Community, Shajing Street, Bao 'an District, Shenzhen City, China Manufacturer: Shenzhen Ailite Intelligence Co., LTD Address: Floor 3, Building B, Zone A, Jiujiu Industrial Zone, Shatou Community, Shajing Street, Bao 'an District, Shenzhen City, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2022-12-16 Sample tested Date: 2022-12-16 to 2023-01-09 Issue Date: 2023-01-09 Report No.: BCTC2212616617E Test Standards: FCC Part15.231 ANSI C63.10-2013 Test Results: PASS Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2212616617E No.：BCTC/RF-EMC-005 Page: 3 of 29 Edition：A.5 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 4 2. Test Summary ....................................................................................................... 5 3. Measurement Uncertainty ..................................................................................... 6 4. Product Information And Test Setup ..................................................................... 7 4.1 Product Information ............................................................................................... 7 4.2 Test Setup Configuration ...................................................................................... 7 4.3 Support Equipment ............................................................................................... 8 4.4 Channel List .......................................................................................................... 8 4.5 Test Mode ............................................................................................................. 8 5. Test Facility And Test Instrument Used ................................................................. 9 5.1 Test Facility ........................................................................................................... 9 5.2 Test Instrument Used ............................................................................................ 9 6. Conducted Emissions .......................................................................................... 11 6.1 Block Diagram Of Test Setup .............................................................................. 11 6.2 Limit .................................................................................................................... 11 6.3 Test Procedure ................................................................................................... 11 6.4 EUT Operating Conditions .................................................................................. 11 6.5 Test Result .......................................................................................................... 12 7. Radiated Emissions ............................................................................................. 13 7.1 Block Diagram Of Test Setup .............................................................................. 13 7.2 Limit .................................................................................................................... 14 7.3 Test Procedure ................................................................................................... 15 7.4 EUT Operating Conditions .................................................................................. 16 7.5 Test Result .......................................................................................................... 16 8. Bandwidth Test .................................................................................................... 20 8.1 Block Diagram Of Test Setup .............................................................................. 20 8.2 Limit .................................................................................................................... 20 8.3 Test Procedure ................................................................................................... 20 8.4 EUT Operating Conditions .................................................................................. 20 8.5 Test Result .......................................................................................................... 21 9. Calculation Of Average Factor ............................................................................ 22 10. Dwell Time........................................................................................................... 24 10.1 Block Diagram Of Test Setup ............................................................................ 24 10.2 Limit .................................................................................................................. 24 10.3 Test Procedure ................................................................................................. 24 10.4 Test Result ......................…

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Report No.: BCTC2212616617E No.：BCTC/RF-EMC-005 Page: 28 of 29 Edition：A.5 13. EUT Test Setup Photographs Radiated Measurement Photos