FCC ID: 2AH25D3PRO POS System

D3 PRO POS System Model: F3510 IC: 22621-D3PRO _HVIN: F3510 FCC ID: 2AH25D3PRO Input: 24V: A Shanghai Sunmi Technology Co.. Ltd. SN: XXXXXXXXXXXX Made in China D3 PRO POS System Model: F3510 2 22621-D3PRO_HVIN: F3510A TMU II |

Input: 24V = SN: XXXXXXXXXXXK Shanghai Sunmi Technology Co. Ltd. Made in China 11 kBBS RMOETEE

Shanghai Sunmi Technology Co.,Ltd. Room 505,No.388,Song Hu Road,Yang Pu District,Shanghai,China Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 03-14-2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2AH25D3PRO

[Shanghai Sunmi 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, Signature Printed Name: Fang Lu Job Title: Certification Manager Email: fang.lu@sunmi.com Telephone: +86 18501703215 Rev 1/26/2023 Shanghai Sunmi Technology Co.,Ltd. Room 505,No.388,Song Hu Road,Yang Pu District,Shanghai,China Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 03-14-2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2AH25D3PRO

[Shanghai Sunmi 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 a specifically named entity or any of its subsidiaries or affiliates) as an entity producing coveredequipment. Sincerely, Signature Printed Name: Fang Lu Job Title: Certification Manager Email: fang.lu@sunmi.com Telephone: +86 18501703215 Rev 1/26/2023

Shanghai Sunmi Technology Co.,Ltd. Date: 2024/03/21 DTS-UNll Device Declaration Letter To whom it may concern:

We have declared below featured for FCC equipment authorization, Device FCC ID: 2AH25D3PRO IC ID: 22621-D3PRO DFS Device -Master , Client with Radar detection capability Client without radar detection capability, N/A

(1) Active I Passive Scanning, adhoc mode access point capability FrequencyBand

(MHz) Active Scanning (the device can transmit a

(where the device is Passive scanning Ad Hoc Mode or Access point WIFI Direct capability capability probe (beacon)) can listen only with no probes) 2412-2462MHz 5150-5250MHz 5250-5350MHz 5470-5725MHz 5725-5850MHz 5955-7115MHz Yes,No Yes, No Yes,No Yes, No Yes,No Yes, No Yes,No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No Yes, No

(2) Country code selection ability - Yes, No If yes, pls explain how it was implemented: (pls also help to provide detail of options for each country selection)

(3) Meet 15.202 requirement - Yes, No,pls check below:

A master device is defined as a device operating in a mode in which it has the capability to transmit without receiving an enabling signal. In this mode it is able to select a channel and initiate a network by sending enabling signals to other devices A client device is defined as a device operating in a mode in which the transmissions of the device are under control of the slave. A device in client mode is not able to initiate a network.

(4) For client devices that have software configuration control to operate In different modes (active scanning in some and passive scanning in others) in different bands (devices with multiple equipment classes or those that operate on non-DFS frequencies) or modular devices which configure the modes of operations through software, the application must provide software and operations description on how the software and / or hardware is implemented to ensure that proper operations modes cannot be modified by end user or an installer. Apply, "Yes, please see SW security Description". No Apply, (If apply, pls help to provide explanation on it was implement. and how software was controlled) Name: Fang Lu Signaure:

Date: 2024/03/21

Company: Shanghai Sunmi Technology Co.,Ltd. Add: Room 505,No.388,Song Hu Road,Yang Pu District,Shanghai,China Tel: 18501703215 Fax: 021-61079331 Email: fang.lu@sunmi.com Date: 2024-03-06 Declaration of Difference Dear Sir or Madam:

We, Shanghai Sunmi Technology Co.,Ltd., hereby declare that product: POS System, model name:F3510 the detail differences description as below, others are the same. FCC ID number 2AH25D3PRO Fingerprint Yes N/A These changes do not affect RF performance. Please contact me if there is need for any additional clarification or information. Best Regards, Signature:

Contact Person: Fang Lu Title: Certification Engineer

Room 505,No.388,Song Hu Road,Yang Pu District,Shanghai,China Shanghai Sunmi Technology Co.,Ltd. LETTER OF AGENCY Date:2024/03/14 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 FCC ID:2AH25D3PRO To Whom It May Concern:

We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse ACT of 1988, U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002(b), to the application, is subject to denial of federal benefits, that includes FCC benefits. Thank you for your attention to this matter. Sincerely yours, Signature Printed Name: Fang Lu Company: Shanghai Sunmi Technology Co.,Ltd. Job Title: Certification Manager Email: fang.lu@sunmi.com Telephone: +86 18501703215

Shanghai Sunmi Technology Co.,Ltd. Request for Long-Term Confidentiality Letter-FCC Date: 2024/03/14 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Re: Request for Long-Term confidentiality FCC ID: 2AH25D3PRO To whom it may concern, We hereby respectfully request that under the provision of 47 CFR 0.459 and 0.457(d) the documents listed below and attached with this application for certification be provided with Long-

Term confidential status. Schematics.pdf Operational Description.pdf Frequency Block Diagrams.pdf SOFTWARE SECURITY REQUIREMENTS FOR U-NII DEVICES Any exhibit / information for which we have requested confidentiality, but which may not be accorded such treatment by the FCC, should be returned to us. The documents listed above contain trade secrets that are treated as confidential by us. Substantial competitive harm to us could result should they be made available to the public. Sincerely yours, Signature Printed Name: Fang Lu Company: Shanghai Sunmi Technology Co.,Ltd. Job Title: Certification Manager Email: fang.lu@sunmi.com Telephone: +86 18501703215

Shanghai Sunmi Technology Co.,Ltd. Request for Short-Term Confidentiality Letter-FCC Date2024/03/14 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Re: Request for Short-Term confidentiality FCC ID: 2AH25D3PRO To whom it may concern, We hereby respectfully request that under the provision of 47 CFR 0.459 and 0.457(d) the documents listed below and attached with this application for certification be provided with Short-

Term confidential status for 180 days from the date of the grant. Internal Photos External Photos.pdf Test Setup Photos.pdf Users Manual Any exhibit / information for which we have requested confidentiality, but which may not be accorded such treatment by the FCC, should be returned to us. The documents listed above contain trade secrets that are treated as confidential by us. Substantial competitive harm to us could result should they be made available to the public. Sincerely yours, Signature Printed Name: Fang Lu Company: Shanghai Sunmi Technology Co.,Ltd. Job Title: Certification Manager Email: fang.lu@sunmi.com Telephone: +86 18501703215