2AH25K2MINI660Self-Checkout Kiosk

（一）符合“微功率短距离无线电发射设备目录和技术要求”第一条通用微功率设备第 3款 C 类设备的规定，内置环形 NFC 天线 ， 1.5A/m≤磁场强度≤7.5A/m； （二）不得擅自改变使用场景或使用条件、扩大发射频率范围、加大发射功率（包括额外加装射频功率放大器），不得擅自更改发 射天线； （三）不得对其他合法的无线电台（站）产生有害干扰，也不得提出免受有害干扰保护； （四）应当承受辐射射频能量的工业、科学及医疗（ISM）应用设备的干扰或其他合法的无线电台（站）干扰； （五）如对其他合法的无线电台（站）产生有害干扰时，应立即停止使用，并采取措施消除干扰后方可继续使用； （六）在航空器内和依据法律法规、国家有关规定、标准划设的射电天文台、气象雷达站、卫星地球站（含测控、测距、接收、导 航站）等军民用无线电台（站）、机场等的电磁环境保护区域内使用微功率设备，应当遵守电磁环境保护及相关行业主管部 门的规定； （七）禁止在以机场跑道中心点为圆心、半径 5000 米的区域内使用各类模型遥控器； （八）微功率设备使用时温度和电压的环境条件。 F4503/F4504 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. Note: 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 resid- ential 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. Caution: The user is cautioned that changes or modifications not expressly approved by the party responsible for com- pliance could void the user's authority to operate the equipment. FCC compliance statement EU Representative :SUNMI France SAS 186,avenue Thiers,69006 Lyon,France UK(NI)UK This symbol means that it is forbidden to dispose the product of with normal household waste. At the end of the product life cycle, waste equipment should be taken to designated collection points, returned to the distributor when purchasing a new product, or contact your local authority representative for detailed information on WEEE recycling. Adapter: CYSE65-240250Jiangsu Chenyang Electron Co., Ltd. CAUTION: Do not ingest battery, Chemical Burn Hazard. This product contains a coin / button cell battery. If the coin / button cell battery is swallowed, it can cause severe internal burns in just 2 hours and can lead to death. Keep new and used batteries away from children. If the battery compartment does not close securely, stop using the productand keep it away from children. If you think batteries might have been swallowed or placed inside any partof the body, seek immediate medical attention. Risk of explosion if the battery is replaced by an incorrect type. Improper replacement of the battery with an incorrect type may defeat a safeguard (for example, in the case of some lithium battery types). Do not dispose of the battery into fire or a hot oven, or mechanically crush or cut the battery, which may result in an explosion. Do not leave the battery in an extremely high temperature surrounding environment, which may result in an explosion or the leakage of flam- mable liquid or gas. Do not subject the battery to extremely low air pressure, which may result in an explosion or the leakage of flammable liquid or gas. Dispose of used batteries according to the instructions. EU regulatory conformance Hereby, Shanghai Sunmi Technology Co., Ltd. declares that this device is in compliance with Directive 2014/53/EU and RoHS Directive 2011/65/EU and its amendment directives (EU) 2015/863. The full text of the EU declaration of confor- mity is available at the following internet address:https://developer.sunmi.com/docs/read/en-US/maaeghjk480 INFORMATION ABOUT THE SOFTWARE The description of accessories and components, including software, which allow the radio equipment to operate as intended, can be obtained in the full text of the EU declaration of conformity at the following internet address: https://developer.sunmi.com/docs/read/en-US/maaeghjk480 RESTRICTIONS OF USE 5150-5350MHz only be used by indoor. ISED Canada compliance statements This device complies with ISED Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d'ISDE Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes:(1) L’appareil ne doit pas produire de brouillage, et (2) L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. the device for operation in the band 5150-5250 MHz is only for indoor use to reduce the potential for harmful interference to co-channel mobile satellite systems; Les dispositifs fonctionnant dans la bande 5150-5250 MHz sont réservés uniquement pour une utilisation à l'intérieur afin de réduire les risques de brouillage préjudiciable aux systèmes de satellites mobiles utilisant les mêmes canaux RF Exposure Statement： This equipment complies with EU, FCC and IC RSS-102 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. Cet équipement est conforme aux limites d’exposition aux rayonnements ue, FCC et IC RSS-102 établies pour un environnement non contrôlé. Cet équipement doit être installé et utilisé avec une distanc…

Text truncated - open the document above for the full version.

UNITED STATES DESIGNATED AGENT LETTER Date: 2023-02-13 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 U.S. designated agent Company Name: Sunmi Technology US Inc. FRN： 0033401969 Contact Name: Elliot Chen Address: 13010 Morris Road, Suite 600 Alpharetta, GA 30004 Telephone: +1-6027894117 Fax: N/A Applicant Company Name: Grantee Code: Contact Name: Address: Telephone: Fax: Email: Shanghai Sunmi Technology Co.,Ltd. 2AH25 Fang Lu Room 505,No.388,Song Hu Road, Yang Pu District, Shanghai, China +8618501703215 +862161480325 [email protected] Email: [email protected] Ref: Attestation Statements Part 2.911(d)(7) Filing ATTN: Director of Certification: We, < Shanghai Sunmi Technology Co.,Ltd.> and < Sunmi Technology US Inc.> understand and acknowledge the applicants consent and the designated agent’s obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e- mail of the designated agent listed above. We, < Shanghai Sunmi Technology Co.,Ltd.> and < Sunmi Technology US Inc.> acknowledge the applicant’s acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Applicant U.S. designated agent Name (Printed): Fang Lu Name (Printed): Elliot Chen Title: Certification Manager Title: Sr. Technical Manager Signature: Signature:

Applicant Declaration QSF27-14-04 Rev 1.0 Rev. Feb 6, 2023 Page 1 of 1 Original Issue: Jan. 4, 2021 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Shanghai Sunmi Technology Co.,Ltd. Address Room 505,No.388,Song Hu Road,Yang Pu District, Shanghai, China Grantee Code 2AH25 FCC ID 2AH25K2MINI660 Authorized Contact Name Fang Lu Contact Email [email protected] Contact Phone +8618501703215 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is 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 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List [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. [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, established pursuant to §1.50002, as an entity producing “covered” equipment. Applicant Signature: Date: 2023-11-28 Print Name: Fang Lu Title: Certification Manager *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Shanghai Sunmi Technology Co.,Ltd. Current Date: 2023-11-28 To: SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. No. 588 West Jindu Road, Songjiang District, Shanghai, China. 201612 Dear Sir/Madam, Subject: Declaration Letter about Identity of Products *WE (Shanghai Sunmi Technology Co.,Ltd.) HEREBY DECLARED THAT Product Description Self-Checkout Kiosk Model No. F4503 Manufacturer’s Name Shanghai Sunmi Technology Co.,Ltd. Manufacturer’s Address Room 505, No.388 Song Hu Road, Yang Pu District,Shanghai, China * After Pre-scan all configurations, only the model F4504 was the worst and recorded, since their differences were the model number and appearance(F4504 with dual screen, F4503 with single screen), except for these differences, are identical with the original product as follows, Note: The definition of identical should be “electrically identical”. A device will be considered to be electrically identical if no changes are made to the devices’ schematics, board layouts, component layouts, chip sets, resistors and all other electrical aspects of the device are identical with the model(s) we chose to be tested by SGS. Model (型号): F4504 Manufacturer’s Name (生产商名称): Shanghai Sunmi Technology Co.,Ltd. Manufacturer’s Address（生产商商地址): Room 505, No.388 Song Hu Road, Yang Pu District,Shanghai, China Sincerely, Signature (签字): Printed Name (姓名): Fang Lu Position/Title (职位): Certification Manager Contact Number (联系电话): +8618501703215

Shanghai Sunmi Technology Co.,Ltd. Date: 2023-11-28 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: 2AH25K2MINI660 To whom it may concern: We, the undersigned, hereby authorize Parlam Zhan to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. 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. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with Shanghai Sunmi Technology Co.,Ltd. This authorization is valid until further written notice from the applicant. Name (Printed): Fang Lu Title: Certification Manager Signature: On behalf of Company: Shanghai Sunmi Technology Co.,Ltd. Telephone: +8618501703215

Shanghai Sunmi Technology Co.,Ltd. 2023-11-28 To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: Shanghai Sunmi Technology Co.,Ltd. Room 505,No.388,Song Hu Road,Yang Pu District, Shanghai, China Regarding: Confidentiality Request regarding application for FCC ID: 2AH25K2MINI660 LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions NII Software Security Info The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. Signature: Printed Name: Fang Lu Title: Certification Manager Company Name: Shanghai Sunmi Technology Co.,Ltd.

Compliance Certification Services (Kunshan) Inc. Page: 1 of 13 External Photos for KSCR2308001524AT Test Model No.: F4503, F4504 Compliance Certification Services (Kunshan) Inc. Page: 2 of 13 EUT Constructional Details (EUT Photos) F4503 Compliance Certification Services (Kunshan) Inc. Page: 3 of 13 Compliance Certification Services (Kunshan) Inc. Page: 4 of 13 Compliance Certification Services (Kunshan) Inc. Page: 5 of 13 Adapter Compliance Certification Services (Kunshan) Inc. Page: 6 of 13 Compliance Certification Services (Kunshan) Inc. Page: 7 of 13 Compliance Certification Services (Kunshan) Inc. Page: 8 of 13 Compliance Certification Services (Kunshan) Inc. Page: 9 of 13 F4504 Compliance Certification Services (Kunshan) Inc. Page: 10 of 13 Compliance Certification Services (Kunshan) Inc. Page: 11 of 13 Compliance Certification Services (Kunshan) Inc. Page: 12 of 13 Compliance Certification Services (Kunshan) Inc. Page: 13 of 13

Model: F4504 Model: F4503

Compliance Certification Services (Kunshan) Inc. Page: 1 of 39 Internal Photos for KSCR2308001524AT Test Model No.: F4503, F4504 Compliance Certification Services (Kunshan) Inc. Page: 2 of 39 EUT Constructional Details (EUT Photos) F4503 Compliance Certification Services (Kunshan) Inc. Page: 3 of 39 Compliance Certification Services (Kunshan) Inc. Page: 4 of 39 Compliance Certification Services (Kunshan) Inc. Page: 5 of 39 Compliance Certification Services (Kunshan) Inc. Page: 6 of 39 Compliance Certification Services (Kunshan) Inc. Page: 7 of 39 Compliance Certification Services (Kunshan) Inc. Page: 8 of 39 Compliance Certification Services (Kunshan) Inc. Page: 9 of 39 Compliance Certification Services (Kunshan) Inc. Page: 10 of 39 Compliance Certification Services (Kunshan) Inc. Page: 11 of 39 Compliance Certification Services (Kunshan) Inc. Page: 12 of 39 Compliance Certification Services (Kunshan) Inc. Page: 13 of 39 Compliance Certification Services (Kunshan) Inc. Page: 14 of 39 Compliance Certification Services (Kunshan) Inc. Page: 15 of 39 Compliance Certification Services (Kunshan) Inc. Page: 16 of 39 Compliance Certification Services (Kunshan) Inc. Page: 17 of 39 Compliance Certification Services (Kunshan) Inc. Page: 18 of 39 Compliance Certification Services (Kunshan) Inc. Page: 19 of 39 Compliance Certification Services (Kunshan) Inc. Page: 20 of 39 Compliance Certification Services (Kunshan) Inc. Page: 21 of 39 Compliance Certification Services (Kunshan) Inc. Page: 22 of 39 Compliance Certification Services (Kunshan) Inc. Page: 23 of 39 F4504 Compliance Certification Services (Kunshan) Inc. Page: 24 of 39 Compliance Certification Services (Kunshan) Inc. Page: 25 of 39 Compliance Certification Services (Kunshan) Inc. Page: 26 of 39 Compliance Certification Services (Kunshan) Inc. Page: 27 of 39 Compliance Certification Services (Kunshan) Inc. Page: 28 of 39 Compliance Certification Services (Kunshan) Inc. Page: 29 of 39 Compliance Certification Services (Kunshan) Inc. Page: 30 of 39 Compliance Certification Services (Kunshan) Inc. Page: 31 of 39 Compliance Certification Services (Kunshan) Inc. Page: 32 of 39 Compliance Certification Services (Kunshan) Inc. Page: 33 of 39 Compliance Certification Services (Kunshan) Inc. Page: 34 of 39 Compliance Certification Services (Kunshan) Inc. Page: 35 of 39 Compliance Certification Services (Kunshan) Inc. Page: 36 of 39 Compliance Certification Services (Kunshan) Inc. Page: 37 of 39 Compliance Certification Services (Kunshan) Inc. Page: 38 of 39 Compliance Certification Services (Kunshan) Inc. Page: 39 of 39

Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR230800152406 Page: 1 of 9 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com/en/Terms-and-Conditions/Terms-e-Document.aspx. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only. Member of the SGS Group (SGS SA) 1 Cover Page RF Exposure Evaluation Report Application No.: KSCR2308001524AT FCC ID: 2AH25K2MINI660 IC: 22621-K2MINI660 Applicant: Shanghai Sunmi Technology Co.,Ltd. Address of Applicant: Room 505, No.388 Song Hu Road, Yang Pu District, Shanghai, China Manufacturer: Shanghai Sunmi Technology Co.,Ltd. Address of Manufacturer: Room 505, No.388 Song Hu Road, Yang Pu District, Shanghai, China Equipment Under Test (EUT): EUT Name: Self-Checkout Kiosk Model No.: F4503,F4504 Standard(s) : FCC Rules 47 CFR §2.1091 KDB 447498 D04 interim General RF Exposure Guidance v01 RSS-102 Issue 5 Amendment 1 (February 2, 2021) Date of Receipt: 2023-08-29 Date of Test: 2023-10-03 to 2023-10-24 Date of Issue: 2023-11-17 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR230800152406 Page: 2 of 9 Revision Record Version Description Date Remark 00 Original 2023-11-17 / Authorized for issue by: Tested By Damon_Zhou/Project Engineer Approved By Terry Hou /Reviewer Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR230800152406 Page: 3 of 9 2 Contents Page 1 COVER PAGE .................................................................................................................................... 1 2 CONTENTS ........................................................................................................................................ 3 3 GENERAL INFORMATION ................................................................................................................ 4 3.1 GENERAL DESCRIPTION OF E.U.T. ................................................................................................ 4 3.2 DETAILS OF E.U.T. ....................................................................................................................... 4 3.3 TEST LOCATION ............................................................................................................................ 6 3.4 TEST FACILITY .............................................................................................................................. 6 4 FCC RADIOFREQUENCY RADIATION EXPOSURE LIMITS .......................................................... 7 5 IC RADIOFREQUENCY RADIATION EXPOSURE LIMITS: ............................................................. 8 6 MEASUREMENT AND CALCULATION ............................................................................................ 9 6.1 MAXIMUM TRANSMIT POWER ......................................................................................................... 9 6.2 MPE CALCULATION ...................................................................................................................... 9 Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR230800152406 Page: 4 of 9 3 General Information 3.1 General Description of E.U.T. Power supply: DC 24V,2.5A by AC Adapter Adapter model: CYSE65-240250 INPUT:AC 100-240V,50/60Hz,1.7A OUTPUT: DC 24V,2.5A,60W Serial Number: KM62D37M40011 Firmware Version: 1.5.3 3.2 Details of E.U.T. 2.4G Operation Frequency: 802.11b/g/n(HT20): 2412MHz to 2462MHz;802.11n(HT40): 2422MHz to 2452MHz Modulation Type: 802.11b: DSSS (CCK, DQPSK, DBPSK);802.11g/n: OFDM (64QAM, 16QAM, QPSK, BPSK) Number of Channels: 802.11b/g/n(HT20):11;802.11n(HT40):7 Channel Spacing: 5MHz Antenna Type: PIFA Antenna Antenna Gain: Ant 1:2.45dBi; (Provided by the manufacturer) Ant 2:2.45dBi. (Provided by the manufacturer) Directional gain:5.46dBi BT Operation Frequency: 2402MHz to 2480MHz Bluetooth Version: V5.0 Dual mode Modulation Type: GFSK, pi/4DQPSK, 8DPSK Number of Channels: 79 Channel Spacing: 1MHz Spectrum Spread Technology: Frequency Hopping Spread Spectrum(FHSS) Antenna Type: PIFA Antenna Antenna Gain: 2.45dBi (Provided by the manufacturer) BLE Operation Frequency: 2402MHz to 2480MHz Bluetooth Version: V5.0 Dual mode Modulation Type: GFSK Number of Channels: 40 Channel Spacing: 2MHz Antenna Type: PIFA Antenna Antenna Gain: 2.45dBi (Provided by the manufacturer) Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR230800152406 Page: 5 of 9 5G Operation Frequency/Number of channels (20MHz): U-NII-1: 5180-5240MHz (4 Channels); U-NII-2A: 5260-5320MHz (4 Channels); U-NII-2C: 5500-5700MHz (11 Channels); U-NII-3: 5745- 5825MHz (5 Channels) Operation Frequency/Numbe…

Text truncated - open the document above for the full version.

Shanghai Sunnyway Communication Technology Limited Company Te m p o ra r y antenna specification Customer：SUNMI The project：K2S MINI Operating frequency band：WIFI B/G/N/A Motherboard version：MC509_MB_V1.0_PCB Shangyuan material specifications Specifications and models Shangyuan material numberCustomer part number WIFI0 SH23175IB77-1 WIFI1 SH23175IB77-2 The record of project changes Date of preparation/changeChangesChange of person version Sunnyway counter-signature bar Research and development ME：Auditor： QE： Approver： RF：Auditor： Client Counter-signature bar EEPMRFQE Tel：＋86-021-60835368 （Shanghai）；＋86-0755-82504258（Shenzhen） Shanghai R&D Center Address: 1st Floor, Building 4, No. 99, Lane 215, Gaoguang Road, Qingpu District, Shanghai Shenzhen R & D Center Address: Shenzhen Guangming District South Taiyun Chuanggu Center 5 Building 6 floor Chongqing R&D Center Address: C08-1 Building-1, No. 19 Xiantao Data Valley East Road, Yubei District, Chongqing 目录 1. Project picture............................................................................ 3 2．Test fixtures....................................................................................... 4 3.Matching circuits.................................................................................. 4 4. S11 test................................................................................................... 7 4.1 S11 Test Method Description.............................................................................. 7 4.2 S11 parameter.......................................................................................................7 5 . DARKROOM TEST DATA.......................................................................... 14 5.1 Passive test data.................................................................................................14 5.2 Active test data........................................................................................38 6.Environmental treatment................................................................41 7. Mass production antenna indicators.................................................42 8 D r a w i n g ...............................................................................................43 Shanghai Shangyuan Communication Technology Co., Ltd. antenna recognition 1.Project information Machine information Antenna information Note: The customer finally verified that the antenna performance prototype was retained in our company for at least one year, which is convenient for analysis and solution to abnormal situations in antenna mass production. Ensure antenna shipment quality. Version WIFI-0SY-K2S MINI-WIFI0- V0.2 WIFI-1SY-K2S MINI-WIFI1- V0.2 Motherboard version MC509_MB_V1.0_PCB 3.Matching circuits 2．Test fixtures Purpose: To test the passive parameters of the antenna as accurately as possible. How to make: The prototyping mechanism is made of a 50 ohm coaxial cable, one end is connected to the test point at the back of the matching circuit of the prototype motherboard (the front of the RF test hole), and the other end is connected to the SMA connector. The schematic diagram is as follows: Shanghai Shangyuan Communication Technology Co., Ltd. antenna recognition ElementValue Specification E1N/A E2 0 ohm E3N/A E4 0 ohm E5N/A ElementValue E1N/A E2 0 ohm E3N/A E4 0 ohm E5N/A WIFI-0 WIFI-1 Specification 4.2 S11 parameter WIFI-0 main frequency （MHz） SWR 2400 1.1 2500 1.1 5150 1.6 5850 1.3 4. S11 test 4.1 S11 Test Method Description Test Equipment: Network Analyzer (E5071C) Test method: A 50 ohm CABLE cable is derived from the instrumen t test port, and the SMA connector of the prototype is connec ted after calibration using the calibrator to record the return loss and standing wave ratio corresponding to the relevant frequency point. The test diagram is as follows: Shanghai Shangyuan Communication Technology Co., Ltd. antenna recognition Test the schematic Shanghai Shangyuan Communication Technology Co., Ltd. antenna recognition WIFI-1 Main Antenna Frequency （MHz） VSWR 2400 2.2 2500 1.8 5150 1.1 5850 1.8 5 Darkroom test data Test system: Shielded darkroom Test environment: temperature 22°C±3°C, humidity 50%±15% Test equipment: When testing passive data, use the Network Analyzer Agilent E5062C When testing active data, the Comprehensive Tester Agilent 8960 /CMW500/E4438C is used 5.1 Passive test data Passive efficiency of WIFI-0 antenna Shanghai Shangyuan Communication Technology Co., Ltd. antenna recognition frequency(M Hz) Efficiency (dB) Efficiency (%) frequency(M Hz) Efficiency (dB) Efficiency (%) 2400-3.4145.65150-3.6143.6 2410-3.2747.15200-3.38 45.94 2420-3.05 49.555250-3.46 45.06 2430-2.98 50.355300-3.445.7 2440-2.96 50.585350-3.36 46.13 2450-2.9550.75400-3.29 46.85 2460-3.21 47.755450-3.44 45.29 2470-3.18 48.085500-3.63 43.33 2480-3.28 46.995550-3.73 42.34 2490-3.52 44.465600-3.6143.6 2500-3.46 45.085650-3.53 44.38 5700-3.52 44.49 5750-3.841.72 5800-3.74 42.23 5850-3.841.72 Passive efficiency of WIFI‐1 antenna frequency(M Hz) Efficiency (dB) Efficiency (%) frequency(M Hz) Efficiency (dB) Efficiency (%) 2400-2.93 50.895150-3.77 41.93 2410-2.84 51.945200-3.68 42…

Text truncated - open the document above for the full version.