FCC ID: 2A3NB-4204 DMR Digital Transceiver

Sure-Response, Inc Agent Authorization Company: Sure-Response, Inc Address: 1075 N Reed Station Rd, Carbondale, IL 62902, USA Product Name: DMR Digital Transceiver Model Number(s): SR-4204 Product Description: DMR Digital Transceiver 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:

Name:

Curtis Baird Company: Sure-Response, Inc Date: 2022-09-19

TYT ELECTRONICS CO., LTD Block 39-1, Optoelectronics-information industry base, Nan'an, Quanzhou, Fujian, China. Sep 15, 2022 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attention: Regulatory Authority Subject: Authorization to Change in FCC ID Reference FCC ID: POD-DMR6 To the Commission:

We (TYT ELECTRONICS CO., LTD), hereby authorize Sure-Response, Inc. to Change in FCC ID on our original FCC ID: POD-DMR6 (the grant date:

05/08/2020) The Certifications will be transferred into:

FCC ID: 2A3NB-4204 Sure-Response, Inc. 1075 N Reed Station Rd, Carbondale, IL 62902, USA Model Name: SR-4204 Brand Name: | AQ Sure-Response Sincerely yours, Jews Jin Contact Person: Jiamao Lin

Contact Sure-Response, Inc Federal Communications Commission 7345 Oakland Mills Road Columbia MD 21046 Attention: Application Examiner / Review Engineer Subject: Request for a Change in Identification per Section 2.933 of the FCC Rules Reference: FCC ID: 2A3NB-4204 To The Commission This change in identification request applies for a new FCC ID as established in 47 CFR 2.933(b) for a currently approved device.This application by Sure-Response, Inc. will establish a new FCC ID under Sure-Response, Inc. grantee code for the purpose of marketing. The original grant to TYT ELECTRONICS CO., LTD with FCC ID: POD-DMR6 will remain in effect. An authorization letter by TYT ELECTRONIC CO., LTD is attached. Per 2.933(b) The original identification is: FCC ID: POD-DMR6 The original granted date is: 05/08/2020

. The equipment is electrically identical. The original test results are applicable and representative of this changed device 5.) External photographs incl. FCC ID label location info are included in this application. The following files are electronically submitted as attachments

- Cover Letter

- External Photos

- ID Lable and Location Info ly Person: Curtis Baird, President Sure-Response, Inc. 9022.09.15 1075 N Reed Station Rd, Carbondale, IL 62902, USA

Sure-Response, Inc Responsibility Declaration Letter Company name: Sure-Response, Inc Address: 1075 N Reed Station Rd, Carbondale, IL 62902, USA Product Name: DMR Digital Transceiver FCC ID: 2A3NB-4204 Model(s): SR-4204 We, Sure-Response, Inc, hereby acknowledge that all the product information

(including all original, drafted, or modified documents) provided to the TCB either by us or our agent or representative(s) for the purposes of FCC certification will meet FCC regulations and requirements; and that any modifications or changes made as a result of TCB review of the documents will be formally implemented into the manufacturing process and product documentation shipped with equipment. We also confirm that all information provided is legitimate and does not contain any false content such as forgery, fabrication, alteration, tampering and concealment. We assume all economic and legal responsibilities in matters that may arise as a result of disclosure on sample products and associated product documentation provided for product certification that may subsequently be found to be a mis-representation of the final product and accompanying documentation when produced, marketed, or sold in the United States, Canada, or anywhere in the world. Sure-Response, Inc Contact person: Curtis Baird Date: 2022-09-19 Responsibility Declaration Letter v1.0