2ADDG-CHIMEChime

Chime FCC Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1)this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

EKEN GROUP LIMITED Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2020.04.28 Subject; Request for Long Term Confidentiality FCC ID: 2ADDG-CHIME To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Molly Mok Title: Sales Manager

EKEN GROUP LIMITED Room 2511-2512, Meilan Business Center, Qianjin Two Road,XiXiang, Baoan District, Shenzhen, Guangdong, China Statement Product: Chime Model: Chime Additional Model: Chime 2, Chime 3, Chime 4, Chime 5, Chime 6, Chime 7, Chime 8, Chime 9, Chime Pro, Chime Plus Trademark: N/A We hereby state that All models above are identical in interior structure, electrical circuits and components, and just model names are different for the marketing requirement. Your assistance on this matter is highly appreciated. Yours sincerely, Signature: Date: 2020/04/28 Name: Molly Mok Company Name: EKEN GROUP LIMITED Address: Room 2511-2512, Meilan Business Center, Qianjin Two Road, XiXiang, Baoan District, Shenzhen, Guangdong, China Tel / Fax: +86-755-85261055/+86-755-85261055-802 E-Mail: [email protected]

EKEN GROUP LIMITED Agent Authorization Company: EKEN GROUP LIMITED Address: Room 2511-2512, Meilan Business Center, Qianjin Two Road, XiXiang, Baoan District, Shenzhen, Guangdong, China Product Name: Chime Model Number(s): Chime, Chime 2, Chime 3, Chime 4, Chime 5, Chime 6, Chime 7, Chime 8, Chime 9, Chime Pro, Chime Plus Product Description: Chime We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2020-04-28 Name:Molly Mok Title:Sales Manager Company: EKEN GROUP LIMITED

Page 1 of 3 Appendix B: Photographs of EUT Product: Chime Model No.: Chime External Photos Page 2 of 3 Page 3 of 3

Label Artwork and Location Model: Chime Label: Size: L*W=30*18mm Chime Model: Chime Input: 110-240V~, 50/60Hz, 0.1A FCC ID: 2ADDG-CHIME EKEN GROUP LIMITED MadeinChina Location

Page 1 of 3 Appendix B: Photographs of EUT Product: Chime Model No.: Chime Internal Photos Page 2 of 3 ANT Page 3 of 3

Hotline: 400-6611-140 Tel: 86-755- 27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID: 2ADDG-CHIME Product: Chime Model No.: Chime Additional Model No.: Chime 2, Chime 3, Chime 4, Chime 5, Chime 6, Chime 7, Chime 8, Chime 9, Chime Pro, Chime Plus Trade Mark: N/A Report No.: TCT200416E003 Issued Date: Apr. 23, 2020 Issued for : EKEN GROUP LIMITED Room 2511-2512, Meilan Business Center, Qianjin Two Road, XiXiang, Baoan District, Shenzhen, Guangdong, China Issued By: Shenzhen Tongce Testing Lab. 1B/F., Building 1, Yibaolai Industrial Park, Qiaotou, Fuyong, Baoan District, Shenzhen, Guangdong, China TEL: +86-755-27673339 FAX: +86-755-27673332 Note:This report shall not be reproduced except in full, without the written approval of Shenzhen Tongce Testing Lab. This document may be altered or revised by Shenzhen Tongce Testing Lab personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT200416E003 Page 2 of 27 Hotline: 400-6611-140 Tel: 86-755- 27673339 Fax: 86-755-27673332 http://www.tct-lab.com TABLE OF CONTENTS 1. Test Certification...............................................................................................................................................3 2. Test Result Summary.......................................................................................................................................4 3. EUT Description.................................................................................................................................................5 4. Test Methodology..............................................................................................................................................6 4.1. Decision of Final Test Mode ......................................................................................................................... 6 4.2. EUT System Operation .................................................................................................................................. 6 5. Setup of Equipment under Test....................................................................................................................7 5.1. Description of Support Units ....................................................................................................................... 7 5.2. Configuration of System Under Test ......................................................................................................... 7 6. Facilities and Accreditations.........................................................................................................................8 6.1. Facilities ............................................................................................................................................................. 8 6.2. Measurement Uncertainty ............................................................................................................................. 8 7. Emission Test.....................................................................................................................................................9 7.1. Conducted Emission at Mains Terminals ................................................................................................. 9 7.2. Radiated Emission ........................................................................................................................................ 13 8. Photographs of Test Configuration...........................................................................................................20 9. Photographs of EUT.......................................................................................................................................22 Report No.: TCT200416E003 Page 3 of 27 Hotline: 400-6611-140 Tel: 86-755- 27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. Test Certification Product: Chime Model No.: Chime Additional Model No.: Chime 2, Chime 3, Chime 4, Chime 5, Chime 6, Chime 7, Chime 8, Chime 9, Chime Pro, Chime Plus Trade Mark: N/A Applicant: EKEN GROUP LIMITED Address: Room 2511-2512, Meilan Business Center, Qianjin Two Road, XiXiang, Baoan District, Shenzhen, Guangdong, China Manufacturer: EKEN GROUP LIMITED Address: Room 2511-2512, Meilan Business Center, Qianjin Two Road, XiXiang, Baoan District, Shenzhen, Guangdong, China Test Voltage: AC 120V/60Hz Date of Test: Apr. 17, 2020 - Apr. 22, 2020 Applicable Standards: 47 CFR FCC Part 15 Subpart B ANSI C63.4: 2014 The above equipment has been tested by Shenzhen Tongce Testing Lab and found compliance with the requirements set forth in the technical standards mentioned above. The results of testing in this report apply only to the product/system, which was tested. Other similar equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. Tested By:Date:Apr. 22, 2020 Brave Zeng Reviewed By: Date:Apr. 23, 2020 Beryl Zhao Approved By: Date:Apr. 23, 2020 Tomsin Report No.: TCT200416E003 Page 4 of 27 Hotline: 400-6611-140 Tel: 86-755- 27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. Test Result Summary Emission Test MethodItemResult FCC 47 CFR Part 15 Subpart B Conducted Emission at Mains Terminals Pass Radiated EmissionPass Note: 1. Pass: Test item meets the requirement. 2. Fail: Test item does not meet the requirement. 3. N/A: Test case does not apply to the test object. 4. The test result judgment is decided by the limit of test standard. 5. The information of measurement uncertainty is available upon the customer’s request. Report No.: TCT200416E003 Page 5 of 27 Hotline: 400-6611-140 Tel: 86-755- 27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. EUT Description Product: Chime Model No.: Chime Power supply:AC 120V/60Hz USB Line: ShieldedUnshielded,DetachableUn-detachable Not applicableLength: 0.75 m Model(s) List No.Model NumberTested With …

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Page 1 of 2 Appendix A: Photographs of Test Setup Product: Chime Model No.: Chime Radiated Emission Page 2 of 2 CE