FCC ID: 2AXMO-ALF-WMP4S Wireless Microphone

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AXMO-ALF-WMP4S Label and Location Wireless Microphone Model No.: ALF-WMP4S FCC ID : 2AXMO-ALF-WMP4S Size: L: 5.0cm*W: 5.0cm Label Location This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 1

ALFATRON ELECTRONICS GmbH Agent Authorization Company: ALFATRON ELECTRONICS GmbH Address: Lichweg 12, 53604 bad Honnef, Germany Product Name: Wireless Microphone Trade Mark: ALFATRON Model Number(s): ALF-WMP4S FCC ID: 2AXMO-ALF-WMP4S 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: 2021-07-08 Name:

Joseph Milan Title:

Manager Company: ALFATRON ELECTRONICS GmbH

Shenzhen Innotrik Technology Co., Ltd Re: Change of Identification Authorization Date: 2021-07-08 To Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD The letter grants authorization for representatives of ALFATRON ELECTRONICS GmbH Product Name: Wireless Microphone Trade Mark: ALFATRON Model: ALF-WMP4S FCC ID: 2AXMO-ALF-WMP4S to apply the FCC for a change in identification as specified under part 15.249 of the FCC rules This authorization applies to Original applicant: Shenzhen Innotrik Technology Co., Ltd Original Certificate: 2ARKF-DAS800NSS and issued Date: 06/16/2021 The equipment is electrically identical the only change being the labels on the device. The original test results continue to be representative of and applicable to the changed equipment. Note: The definition of identical should be electrically identical. Per FCC section 2.924 and 2.933, a device will be considered to be electrically identical if no changes are made to the devices schematics, board layout, component layout, chip sets, resistors and all other electrical aspects of the device are identical. Should there be any questions, please feel free to contact us. Sincerely, Name:

Date: 2021-07-08 Name:

Jindi Liang Title:

Tel:

Office manager

+86-755-27811125 E-mail:

liangjindi@innotrik.com Company: Shenzhen Innotrik Technology Co., Ltd Room 1302-1307, Building No.13, Qinchengda Paradise, District 22, Lingzhiyuan Community, Xinan Street, Baoan District, Shenzhen, China Address:

ALFATRON ELECTRONICS GmbH Date 2021-07-08 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject: Request for 2.933 Change in identification of equipment Reference: FCC ID: 2AXMO-ALF-WMP4S Dear Sir/Madam, ALFATRON ELECTRONICS GmbH requests a Change in Identification for a currently approved device. This application will establish a new FCC ID for purpose of marketing. The original Grant for Shenzhen Innotrik Technology Co., Ltd under FCC ID: 2ARKF-

DAS800NSS with a Grant Date of 2021-06-16 will remain in effect. An authorization letter from the original Grantee is attached. We attest that the equipment is electrically identical. Only the FCC ID, applicant, trade mark, product name and model name are different. The original test results are applicable and continue to be representative of this device. The following files are provided as attachments:

--- Cover letter giving permission from original Applicant for Change in ID

--- External photos showing no physical changes to this device

--- New FCC identification label and its location. Thanks and Best Regards, Signature:

Date: 2021-07-08 Name:

Joseph Milan Title:

Manager Company: ALFATRON ELECTRONICS GmbH

ALFATRON ELECTRONICS GmbH Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2021-07-08 Subject; Request for Confidentiality FCC ID: 2AXMO-ALF-WMP4S To Whom It May Concern, Pursuant to the provisions of the Commissions 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 Operational Description External Photos Test Setup Photos Internal Photos User Manual In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

OR For 45 days, pursuant to Public Notice DA 04-1705. For 180 days pursuant to KDB 726920 D01. 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: Joseph Milan Title: Manager

ALFATRON ELECTRONICS GmbH Update declaration letter We, the undersigned hereby declare that we change FCC ID, applicant, trade mark, product name and model name. The appearance, structure, RF circuit unchanged. Original information:

FCC ID: 2ARKF-DAS800NSS Applicant: Shenzhen Innotrik Technology Co., Ltd Trade mark: AUCTOPUS, INNOTRIK Product name: Wireless Microphone Model Name: DAS-800NSS Sincerely yours, Signature:

Date: 2021-07-08 Name:

Joseph Milan Title:

Manager Company: ALFATRON ELECTRONICS GmbH