2A3OORTA1Amateur Radio

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CFR 47 §2.911(d)(7) U.S Agent U.S. AGENT LETTER OF ATTESTATION Date: 2024-04-22 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2A3OORTA1 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 FRN: 0033657701 Tel.: +1（626）3622594 Email: [email protected] Signed by (printed name): LIUYE LI Signature: Applicant: Shenzhen Ysair Technology Co., LTD Add: Rom 403, 4th Floor, building 4, Yunli intelligent park, No. 3, Changfa, Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen, Guangdong,China FRN: 0031641426 Tel: +86-755-23481953 Email: [email protected] Signed by (printed name): Dongfang Shen Signature:

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 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Apr. 22, 2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2A3OORTA1 FRN: 0031641426 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. Sincerely, ______________________ Name: Dongfang Shen Title: General Manager

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 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Apr. 22, 2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2A3OORTA1 FRN: 0031641426 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, ______________________ Name: Dongfang Shen Title: General Manager

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 Apr. 22, 2024 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject: Explanation of differences between product types FCC ID: 2A3OORTA1 Models: A1, EZTalk2 To Whom It May Concern: We, The Shenzhen Ysair Technology Co., LTD hereby declare that the model : A1 is identical with the model : EZTalk2, Only the models name and the design of the lines on the front cover are different Except for the different above, no other modification is performed. Sincerely, Shenzhen Ysair Technology Co., LTD Signature: [Dongfang Shen, General Manager]

Report No.: AGC13372240202AP02 Page 1 of 5 EXTERNAL PHOTOS The model name of A1 All VIEW OF EUT Walkie-Talkie antenna Report No.: AGC13372240202AP02 Page 2 of 5 TOP VIEW OF EUT BOTTOM VIEW OF EUT Report No.: AGC13372240202AP02 Page 3 of 5 FRONT VIEW OF EUT BACK VIEW OF EUT Report No.: AGC13372240202AP02 Page 4 of 5 LEFT VIEW OF EUT RIGHT VIEW OF EUT Report No.: AGC13372240202AP02 Page 5 of 5 The model name of EZTalk2 CHARGER OF EUT ****************************************End of Report*************************************

FCC ID Label Location 36.6mm*22.1mm

Report No.: AGC13372240202AP02 Page 1 of 9 INTERNAL PHOTOS OPEN VIEW OF EUT (FIGURE 1) OPEN VIEW OF EUT (FIGURE 2) Report No.: AGC13372240202AP02 Page 2 of 9 INTERNAL VIEW OF EUT (FIGURE 1) INTERNAL VIEW OF EUT (FIGURE 2) Report No.: AGC13372240202AP02 Page 3 of 9 INTERNAL VIEW OF EUT (FIGURE 3) INTERNAL VIEW OF EUT (FIGURE 4) Report No.: AGC13372240202AP02 Page 4 of 9 INTERNAL VIEW OF EUT (FIGURE 5) INTERNAL VIEW OF EUT (FIGURE 6) GPS Antenna Report No.: AGC13372240202AP02 Page 5 of 9 INTERNAL VIEW OF EUT (FIGURE 7) INTERNAL VIEW OF EUT (FIGURE 8) Report No.: AGC13372240202AP02 Page 6 of 9 INTERNAL VIEW OF EUT (FIGURE 9) INTERNAL VIEW OF EUT (FIGURE 10) Report No.: AGC13372240202AP02 Page 7 of 9 INTERNAL VIEW OF EUT (FIGURE 11) INTERNAL VIEW OF EUT (FIGURE 12) Report No.: AGC13372240202AP02 Page 8 of 9 INTERNAL VIEW OF EUT (FIGURE 13) INTERNAL VIEW OF EUT (FIGURE 14) Report No.: AGC13372240202AP02 Page 9 of 9 INTERNAL VIEW OF EUT (FIGURE 15) BATTERY OF EUT ****************************************End of Report*************************************

Page 1 of 28 FCC Test Report Report No.: AGC13372240202FE01 FCC ID : 2A3OORTA1 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Amateur Radio BRAND NAME : RETEVIS MODEL NAME : A1, EZTalk2 APPLICANT : Shenzhen Ysair Technology Co., LTD DATE OF ISSUE : Apr. 18, 2024 STANDARD(S) : FCC Part 15 Subpart B REPORT VERSION : V 1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC13372240202FE01 Page 2 of 28 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Apr. 18, 2024 Valid Initial Release Report No.: AGC13372240202FE01 Page 3 of 28 TABLE OF CONTENTS 1. GENERAL INFORMATION .............................................................................................................................. 4 2. PRODUCT INFORMATION .............................................................................................................................. 5 2.1 PRODUCT TECHNICAL DESCRIPTION ................................................................................................ 5 2.2 AUXILIARY SURROUNDING DESCRIPTION ........................................................................................ 5 2.3 TEST METHODOLOGY .......................................................................................................................... 6 2.4 DESCRIPTION OF TEST MODES .......................................................................................................... 7 3. TEST ENVIRONMENT ..................................................................................................................................... 8 3.1 ADDRESS OF THE TEST LABORATORY .............................................................................................. 8 3.2 TEST FACILITY ....................................................................................................................................... 8 3.3 ENVIRONMENTAL CONDITIONS........................................................................................................... 9 3.4 MEASUREMENT UNCERTAINTY .......................................................................................................... 9 3.5 LIST OF EQUIPMENTS USED ............................................................................................................. 10 4. SUMMARY OF TEST RESULTS .................................................................................................................... 11 5. RADIATED EMISSION MEASUREMENTS ................................................................................................... 12 5.1 PROVISIONS APPLICABLE .................................................................................................................. 12 5.2 MEASUREMENT SETUP ...................................................................................................................... 12 5.3 MEASUREMENT PROCEDURE ........................................................................................................... 13 5.4 MEASUREMENT RESULT .................................................................................................................... 15 6. CONDUCTED EMISSION MEASUREMENTS ............................................................................................... 19 6.1 PROVISIONS APPLICABLE .................................................................................................................. 19 6.2 MEASUREMENT SETUP ...................................................................................................................... 19 6.3 MEASUREMENT PROCEDURE ........................................................................................................... 20 6.4 MEASUREMENT RESULT .................................................................................................................... 21 7. ANTENNA CONDUCTED POWER FOR RECEIVERS ................................................................................. 23 7.1 PROVISIONS APPLICABLE .................................................................................................................. 23 7.2 MEASUREMENT SETUP ...................................................................................................................... 23 7.3 MEASUREMENT PROCEDURE ........................................................................................................... 23 7.4 MEASUREMENT RESULT .................................................................................................................... 24 8. SCANNING RECEIVERS AND FREQUENCY CONVERTERS USED WITH SCANNING RECEIVERS .... 26 8.1 PROVISIONS APPLICABLE .................................................................................................................. 26 8.2 MEASUREMENT SETUP ...................................................................................................................... 26 8.3 MEASUREMENT PROCEDURE ........................................................................................................... 26 8.4 MEASUREMENT RESULT .................................................................................................................... 27 APPENDIX I: PHOTOGRAPHS OF TEST SETUP ............................................................................................ 28 APPENDIX II: PHOTOGRAPHS OF TEST EUT ............................................................................................... 28 Report No.: AGC13372240202FE01 Page 4 of 28 1. GENERAL INFORMATION Applicant Shenzhen Ysair Technology Co., LTD Address Room 403, 4th Floor, Building 4, Yunli intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen,China Manufacturer Shenzhen Ysair Technology Co., LTD Address Room 403, 4th Floor, Building 4, Yunli intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen,China Factory N/A Addre…

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Report No.: AGC13372240202AP01 Page 1 of 2 TEST SETUP PHOTOS RADIATED EMISSION TEST SETUP BELOW 1GHz RADIATED EMISSION TEST SETUP ABOVE 1GHz Report No.: AGC13372240202AP01 Page 2 of 2 AC POWER LINE CONDUCTED TEST SETUP ****************************************End of Report*************************************