FCC ID: 2AMY9PD700 Plug-In Dimmer

1. Label 2. Label location

Golden Mark (HK) Limited 6/F., Kimberley Plaza, 45-47 Kimberley Road, Tsim Sha Tsui, Kowloon, Hong Kong Telephone No.: (852) 3728 3130 Fax No.: (852) 3728 3604 Date: November 4, 2020 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern:

The Golden Mark (HK) Limited, the undersigned, hereby authorizes Mrs. Wendy Zhan from Shenzhen Morlab Communications Technology Co., Ltd., to act on the behalf of the Golden Mark (HK) Limited solely in matters relating to the application for an FCC equipment authorization for FCC ID: 2AMY9PD700 including the signing of documents in connection with this Application. Necessary acts carried out Shenzhen Morlab Communications Technology Co., Ltd. on our behalf of the Golden Mark (HK) Limited in connection with the Application shall have the same effect as acts of the Golden Mark (HK) Limited. Golden Mark

(HK) Limited also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Thank you for your attention to this matter. Yours Sincerely, Contact name: Poon Hoi Yan Title: Manager Tel: (852) 3728 3130 Email: yan@gdmk.com.hk Company name: Golden Mark (HK) Limited

Golden Mark (HK) Limited 6/F., Kimberley Plaza, 45-47 Kimberley Road, Tsim Sha Tsui, Kowloon, Hong Kong Telephone No.: (852) 3728 3130 Fax No.: (852) 3728 3604 Date: November 4, 2020 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: Golden Mark (HK) Limited FCC ID: 2AMY9PD700 FCC Part 15C Certification Confidentiality Request File Name Block Diagram.pdf Circuit Diagram.pdf Operational Description.pdf BOM.pdf Gentlemen:

This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. Golden Mark (HK) Limited requests that the following documents regarding this submission for FCC ID: 2AMY9PD700 be kept confidential:

Exhibit Type Block Diagram Schematics Operational Description Part list Those documents contain detailed system and equipment description and related information about the product which 2AMY9PS700 considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis form which future technological products will evolve, Golden Mark (HK) Limited considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Yours Sincerely, Contact name: Poon Hoi Yan Title: Manager Tel: (852) 3728 3130 Email: yan@gdmk.com.hk Company name: Golden Mark (HK) Limited

PD700-Please refer to hardware block diagram:

(1) PD700 is a plug-in Dimmer module with an 120V AC Power. The user can turn ON/OFF and control the brightness level of the connected lighting. This can be done by the push button on the unit or using a remote controller through RF .

(2) Connect the unit to AC 120V, 60Hz Line to get the AC power. .

(3) This module is one component of a Z-Wave control system. RF frequent Z-Wave sub-1 GHz frequency. Its designed to work with all other Z-Wave enabled devices in a home network. Operation Principle of the Transceiver The product employs ZGM130S Z-Wave 700 SIP Module as the MCU and for controlling the wireless signal. Introduction The ZGM130S product family combines an energy-friendly MCU (32-bit ARM Cortex-M4 core at 39 MHz) with a highly integrated radio transceiver. The devices are well suited for any battery operated application, as well as other system where ultra-small size, reliable high performance RF, low-power consumption and easy application development are key requirements. This section gives a short introduction to the full radio and MCU system. Radio The ZGM130S features a radio transceiver supporting Z-Wave protocol. The RF transceiver can handle 40kbit/s and 100kbit/s data simultaneously. Channel 0 is 916MHz, 100Kbit/s, channel 1 is 908.4Hz, 40kbit/s. Antenna Interface The antenna interface consists of a single pin, connected to internal balun and matching network. FCC statements:

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. NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications or changes to this equipment. Such modifications or changes could void the users authority to operate the equipment.