FCC ID: 2A3OORT22D Two Way Radio

RETEMS Two Way Radio Model:B3H RF Output ee <= 2W Input: 5V=== 1 FCC ID: Nene ons 1C:27919-B3H S/N:2306RB3H1100001 Shenzhen Ysair Technology Co., LTD Room 403, 4th Floor, Building 4, Yunli Intelligent park, No. 3, Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China MADE IN CHINA

Shenzhen Ysair Technology Co., LTD ADD: Room 403, 4th Floor, Building 4, Yunli Intelligent park, No. 3, Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Tel: +86-755-23481953 Fax: N/A E-mail: retevis@126.com Attestation Letter Date: 03/01/2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 2.911(d)(5)(i)(ii) Filing FCC ID: 2A3OORT22D Shenzhen Ysair 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. Shenzhen Ysair 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, Signature Printed Name: Dongfang Shen Title: Manager CFR 47 2.911(d)(5)(i)(ii) Attestation Letter

QUANZHOU KAILI ELECTRONICS CO., LTD. ADD: Kaili Electronic Industrial Park(Photoelectric Information Base),Xiamei Town,Nanan,Quanzhou City,Fujian Province,China TEL: +86-595-26666977 FAX: +86-595-26666979 Mail Address: kaili@kai-li.com FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Re: Change of Identification Authorization, FCC ID: 2A3OORT22D Date: 2024-03-13 To Whom It May Concern:

This letter grants authorization for representatives of Shenzhen Ysair Technology Co., LTD to apply to the FCC for a change in identification as specified under 47 CFR2.933 of the FCC rules. This authorization applies to QUANZHOU KAILI ELECTRONICS CO., LTD., product name: Two Way Radio, FCC ID: 2AQX5KD-C170, We are aware that Shenzhen Ysair Technology Co., LTD intends to market the above referenced product under their own FCC ID: 2A3OORT22D. Sincerely, Signature:

Printed Name: Jacky Wang Title: Manager

Shenzhen Ysair Technology Co., LTD ADD: Room 403, 4th Floor, Building 4, Yunli Intelligent park, No. 3, Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China TEL: +86-755-23481953 FAX: N/A E-mail: retevis@126.com FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Request to change in Identification. Date: 2024-03-01 Dear Regulatory Authority, This Change of Identification request applies for a new FCC ID: 2A3OORT22D as established in 47CFR2.933(b) for a currently approved device. This application by Shenzhen Ysair Technology Co., LTD will establish a new FCC ID: 2A3OORT22D under Shenzhen Ysair Technology Co., LTD grant code for purpose of marketing. The original grant to QUANZHOU KAILI ELECTRONICS CO., LTD. will remain in effect. Per 2.933(b) 1. The original identification is FCC ID: 2AQX5KD-C170 2. The Original grant date is 2024-03-07 3. The equipment is electrically identical, only the applicant, model name, appearance, Silk Print, trademark, address and FCC ID number are different. 4. The original test results are applicable and representative of this changed device 5. External photographs are including in this application The following files are electronically submitted as attachments:

Authorization Letter from Original Grantee Change in ID Request Letter FCC ID Authorization letter External photos FCC ID Label format and location Sincerely, Signature:

Printed Name: Dongfang Shen Title: Manager

Shenzhen Ysair Technology Co., LTD ADD: Room 403, 4th Floor, Building 4, Yunli Intelligent park, No. 3, Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Tel: +86-755-23481953 Fax: N/A E-mail: retevis@126.com FCC Authorization Date: 2024-03-01 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern:

We , Shenzhen Ysair Technology Co., LTD, Hereby authorizes China Certification ICT Co., Ltd (Dongguan) 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 China Certification ICT Co., Ltd (Dongguan) 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, Clients signature Printed Name: Dongfang Shen Title: Manager QA-FR-170-B

U.S. AGENT LETTER OF ATTESTATION Date: 2024-03-01 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2A3OORT22D Shenzhen Ysair Technology Co., LTD (the Applicant) certifies that, as of the date of the filing of the application, RETEVIS INC. (U.S. agent). is our designated U.S. agent for service of process for the above referenced FCC ID. Shenzhen Ysair Technology Co., LTD

(the Applicant)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. RETEVIS INC. (U.S. agent) accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information:

Company Name: RETEVIS INC. Address: 1733 E BROOKPORT ST, COVINA, CA 91724, United States FRN: 0033657701 Tel.: +16263622594 Email: Retevis-US@outlook.com Signed by (printed name): LIUYE LI Signature:

Applicant: Shenzhen Ysair Technology Co., LTD Add: Room 403, 4th Floor, Building 4, Yunli Intelligent park, No. 3, Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China FRN: 0031641426 Tel: +86-755-23481953 Email: retevis@126.com Signed by (printed name): Dongfang Shen Signature:

CFR 47 2.911(d)(7) U.S Agent