FCC ID: 2BBPF-NS-2071BT RADIO

Press 180 180 AC: 220V/50Hz 12W 3INCH 2 15W SW: 8.0-16.0 MHz FCC Statement 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

Dongguan TangXi Electronics Technology Co.,LTD 2023-6-15 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern:

We, the undersigned, hereby authorize (Shenzhen DL Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Company name: Dongguan TangXi Electronics Technology Co.,LTD Address: No.1 Hengshan Road, Shipai Town,Dongguan City Signature:

Jason Tang/Manager

Dongguan TangXi Electronics Technology Co.,LTD 2023-6-15 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (2BBPF-NS-2071BT)

[Dongguan TangXi Electronics Technology Co.,LTD] (the applicant) certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Name: Jason Tang Title: Manager Dongguan TangXi Electronics Technology Co.,LTD 2023-6-15 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (2BBPF-NS-2071BT)

[Dongguan TangXi Electronics Technology Co.,LTD] (the applicant) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Sincerely, Name: Jason Tang Title: Manager

Dongguan TangXi Electronics Technology Co.,LTD 2023-6-15 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR EUT NAME: RADIO MODEL: NS-2071BT, NS-2072BT, NS-2073BT, NS-2075BT, NS-2076BT, NS-2077BT, NS-8067BT, NS-8068BT, NS-8071BT, NS-8072BT, NS-8073BT, NS-8075BT, NS-8076BT, NS-8077BT, NS-8079BT, NS-8081BT, NS-8082BT, NS-8093BT, NS-8095BT, NS-8096BT, NS-8097BT, NS-8098BT, NS-8099BT, NS-3222BT, NS-3223BT, NS-3225BT, NS-Q18BT, NS-Q19BT, NS-F10BTS, NS-F18BTS, NS-9010BT, NS-9018BT, NS-9060BT, NS-9070BT, NS-9350BT, RS-619U, RS-2400, RS-368, RS-615BT, RS-616BT, RS-901, RS-902, RD-309BT, RD-310BT FCC ID: 2BBPF-NS-2071BT To Whom It May Concern:

This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the

- Block Diagram

- Schematics

- Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Company name: Dongguan TangXi Electronics Technology Co.,LTD Address: No.1 Hengshan Road, Shipai Town,Dongguan City Signature:

Jason Tang/Manager

Dongguan TangXi Electronics Technology Co.,LTD Product Similarity Declaration Company: Dongguan TangXi Electronics Technology Co.,LTD Address: No.1 Hengshan Road, Shipai Town,Dongguan City Product Name: RADIO Model Number: NS-2071BT, NS-2072BT, NS-2073BT, NS-2075BT, NS-2076BT, NS-2077BT, NS-8067BT, NS-8068BT, NS-8071BT, NS-8072BT, NS-8073BT, NS-8075BT, NS-8076BT, NS-

8077BT, NS-8079BT, NS-8081BT, NS-8082BT, NS-8093BT, NS-8095BT, NS-8096BT, NS-8097BT, NS-8098BT, NS-8099BT, NS-3222BT, NS-3223BT, NS-3225BT, NS-Q18BT, NS-Q19BT, NS-

F10BTS, NS-F18BTS, NS-9010BT, NS-9018BT, NS-9060BT, NS-9070BT, NS-9350BT, RS-619U, RS-2400, RS-368, RS-615BT, RS-616BT, RS-901, RS-902, RD-309BT, RD-310BT FCC Identifier: 2BBPF-NS-2071BT We (Dongguan TangXi Electronics Technology Co.,LTD ) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model name and appearance color. Clients signature Clients name / title : Jason Tang / Manager Contact information /address: No.1 Hengshan Road, Shipai Town,Dongguan City Date: 2023-06-15

Attestation Statements 2023-6-15 TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (2BBPF-NS-2071BT)

(Dongguan TangXi Electronics Technology Co.,LTD), the undersigned, hereby authorize

(USA MEIHUA TRADING INC) to act as our designated U.S. agent for service of process, Dongguan TangXi Electronics Technology Co.,LTD accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment.

(USA MEIHUA TRADING INC) accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information Company name: Dongguan TangXi Electronics Technology Co.,LTD Contact Name: Jason Tang Address: No.1 Hengshan Road, Shipai Town,Dongguan City Telephone No: 0769-86513778 Email: sawado@vip.163.com Signature:

Jason Tang/Manager U.S. Agent Information:

Company Name: USA MEIHUA TRADING INC Address: 5379 Pine Valley Ct Boulder CO 80301 United States FRN: 0033406166 Contact Name: Harley Quinn Telephone No: 1-312-363-9424 Email: meihua-trading-inc@foxmail.com Signature Harley Quinn /Manager