2ARN3-SR-WM2100RX2.4 GHz Wireless Microphone

Receiver Transmitter 2.4GHz(2406-2474MHz) FCC Caution: Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. IMPORTANT NOTE: Note: 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.

Shenzhen Jiayz photo industrial ., Ltd Address: A16 Builing,Intelligent Terminal Industrial Park of Sililcon Valley Power,Guanlan Longhua District,Shenzhen,China Email: [email protected] Tel: 0755-28435911 Fax: 0755-28435911 2020-06-05 Product Similarity Declaration To Whom It May Concern, We Shenzhen Jiayz photo industrial ., Ltd hereby declare that we have a product named 2.4GHz Wireless Microphone (Model number: SR-WM2100 RX (FCC ID: 2ARN3-SR-WM2100RX) be BACL test, at the same time, for our marketing purpose, we want to list a series of model RX-USB2100 reports and certificates, all models are the same chart, model is not the same.No other changes were made to them.We confirm that the above information is true and assume all consequences arising therefrom.If you have any questions, please feel free to contact me. Sincerely Yours, Signature: Michael zhao manager

QA-FR-170-B Shenzhen Jiayz photo industrial ., Ltd Address: A16 Builing,Intelligent Terminal Industrial Park of Sililcon Valley Power,Guanlan Longhua District,Shenzhen,China Email: [email protected] Tel: 0755-28435911 Fax: 0755-28435911 FCC Authorization 2020/07/01 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We (Shenzhen Jiayz photo industrial ., Ltd), the undersigned, hereby authorize Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratory Corporation on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: michael zhao manager

Shenzhen Jiayz photo industrial ., Ltd Address: A16 Builing,Intelligent Terminal Industrial Park of Sililcon Valley Power,Guanlan Longhua District,Shenzhen,China Email: [email protected] Tel: 0755-28435911 Fax: 0755-28435911 FCC Confidential Authorization 2020/07/01 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2ARN3-SR-WM2100RX In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, (Shenzhen Jiayz photo industrial ., Ltd ) hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: michael zhao manager

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200526810-00B Page 1 of 4 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200526810-00B Page 2 of 4 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200526810-00B Page 3 of 4 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200526810-00B Page 4 of 4 Antenna

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200526810-00B EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200526810-00B Page 1 of 4 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200526810-00B Page 2 of 4 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200526810-00B Page 3 of 4 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200526810-00B Page 4 of 4

Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.249 TEST REPORT For Shenzhen Jiayz photo industrial.,Ltd A16 Builing,Intelligent Terminal Industrial Park of Sililcon Valley Power, Guanlan, Longhua District, Shenzhen, China FCC ID: 2ARN3-SR-WM2100RX Report Type: Original Report Product Type: 2.4GHz Wireless Microphone Report Number: RSZ200526810-00B Report Date: 2020-07-03 Reviewed By: Jacob Kong RF En gineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200526810-00B FCC Part 15.249 Page 2 of 21 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 3 TEST METHODOLOGY .................................................................................................................................................. 3 MEASUREMENT UNCERTAINTY .................................................................................................................................... 4 TEST FACILITY ............................................................................................................................................................. 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 JUSTIFICATION ............................................................................................................................................................. 5 EUT EXERCISE SOFTWARE .......................................................................................................................................... 5 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 5 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 5 EXTERNAL I/O CABLE .................................................................................................................................................. 5 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 6 SUMMARY OF TEST RESULTS ............................................................................................................................... 7 TEST EQUIPMENT LIST ........................................................................................................................................... 8 FCC§15.203 - ANTENNA REQUIREMENT .............................................................................................................. 9 APPLICABLE STANDARD .............................................................................................................................................. 9 ANTENNA CONNECTOR CONSTRUCTION ...................................................................................................................... 9 FCC§15.205, §15.209 & §15.249(D) - RADIATED EMISSIONS ............................................................................ 10 APPLICABLE STANDARD ............................................................................................................................................ 10 TEST EQUIPMENT SETUP ............................................................................................................................................ 10 EUT SETUP ................................................................................................................................................................ 11 TEST PROCEDURE ...................................................................................................................................................... 12 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 12 TEST DATA ................................................................................................................................................................ 12 FCC§15.215(C) - 20DB EMISSION BANDWIDTH ................................................................................................ 19 APPLICABLE STANDARD ...................................................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)