2AZGHIK6610Fashionable wireless numeric keypad

审核：批准： ist ik6610ik6610说明书 A0 2021.03.26 100克书写纸 单黑色双面印刷 70x102mm 展开：102x210mm ik6610 IST computer

DuoDuo Tech Inc Agent Authorization Company: DuoDuo Tech Inc Address: 2789 152ND AVE NE STE 7F Redmond, WA 98052 Product Name: Fashionable wireless numeric keypad Model Number(s): IK6610 Product Description: Fashionable wireless numeric keypad We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2021/04/14 Name: Min Li Title: Manager Company: DuoDuo Tech Inc

DuoDuo Tech Inc Authorization Letter We, (the approval holder) Company name DuoDuo Tech Inc Addresss 2789 152ND AVE NE STE 7F Redmond, WA 98052 declare that the following representative (agent): Name (person) Bovey Yang Company name Shenzhen STS Test Services Co., Ltd. Addresss 1/F., Building B, Zhuoke Science Park, No.190, Chongqing Road, Fuyong Street, Bao’an District, Shenzhen, Guangdong,China City Shenzhen Country China to act on our behalf on all matters concerning the application and documents submitted to Micom Labs for product certification below Product Description Product user guide Type or Model(s) IK6610 Tradename or Brand(s) IST Computers FCC ID Attestation: City: Date: Name: (this must be a person) Function: Signature: (or official company stamp) WA 2021.03.29 Min Li manager 2AZGHIK6610

DuoDuo Tech Inc Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2021/04/14 Subject; Request for Confidentiality FCC ID: 2AZGHIK6610 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Min Li Title: Manager

Page 1 of 3 Report No.: STS2103180 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: IK6610 Photo 1 Photo 2 Page 2 of 3 Report No.: STS2103180 Photo 3 Photo 4 Page 3 of 3 Report No.: STS2103180 Photo 5 Photo 6

键盘背面贴纸 黑底白字120P铜版纸背胶 46x24mm 粘贴示意图 46x24mm label location

Page 1 of 2 Report No.: STS2103180 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: IK6610 Photo 1 Photo 2 Antenna Page 2 of 2 Report No.: STS2103180 Photo 3

Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, All Test Data Presented in this report is only applicable to presented Test sample. Shenzhen STS Test Services Co., Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +86-755 3688 6277 E-mail:[email protected] RADIO TEST REPORT Report No.: STS2103180W01 Issued for DuoDuo Tech Inc 2789 152ND AVE NE STE 7F Redmond, WA 98052 Product Name: Fashionable wireless numeric keypad Brand Name: IST Computers Model Name: IK6610 Series Model: N/A FCC ID: 2AZGHIK6610 Test Standard: FCC Part 15.249 S T L A B S Page 2 of 36 Report No.: STS2103180W01 TEST RESULT CERTIFICATION Applicant’s Name .................: DuoDuo Tech Inc Address ..................................: 2789 152ND AVE NE STE 7F Redmond, WA 98052 Manufacture's Name ............: DuoDuo Tech Inc Address ..................................: 2789 152ND AVE NE STE 7F Redmond, WA 98052 Product Description Product Name ........................: Fashionable wireless numeric keypad Brand Name .........................: IST Computers Model Name ...........................: IK6610 Series Model ..........................: N/A Test Standards ......................: FCC Part15.249 Test Procedure .......................: ANSI C63.10-2013 This device described above has been tested by STS, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of STS, this document only be altered or revised by STS, personal only, and shall be noted in the revision of the document. Date of Test ............................: Date of receipt of test item ......: 26 Mar. 2021 Date of performance of tests ..: 26 Mar. 2021 ~ 07 Apr. 2021 Date of Issue ..........................: 07 Apr. 2021 Test Result .............................: Pass Testing Engineer : (Chris Chen) Technical Manager : (Sean she) Authorized Signatory : (Vita Li) Page 3 of 36 Report No.: STS2103180W01 Table of Contents Page 1. SUMMARY OF TEST RESULTS 5 1.1 TEST FACTORY 6 1.2 MEASUREMENT UNCERTAINTY 6 2. GENERAL INFORMATION 7 2.1 GENERAL DESCRIPTION OF THE EUT 7 2.2 DESCRIPTION OF THE TEST MODES 8 2.3 TEST SOFTWARE AND POWER LEVEL 8 2.4 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 8 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 9 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 10 3. EMC EMISSION TEST 12 3.1 CONDUCTED EMISSION MEASUREMENT 12 3.2 RADIATED EMISSION MEASUREMENT 14 4. BANDWIDTH TEST 32 4.2 TEST SETUP 32 4.3 EUT OPERATION CONDITIONS 32 4.4 TEST RESULTS 33 5. ANTENNA REQUIREMENT 35 5.1 STANDARD REQUIREMENT 35 5.2 EUT ANTENNA 35 APPENDIX- PHOTOS OF TEST SETUP 36 Page 4 of 36 Report No.: STS2103180W01 Revision History Rev. Issue Date Report NO. Effect Page Contents 00 07 Apr. 2021 STS2103180W01 ALL Initial Issue Page 5 of 36 Report No.: STS2103180W01 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part 15.249 , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission N/A 15.203 Antenna Requirement Pass 15.249 Radiated Spurious Emission Pass 15.205 Radiated Band Edge Emission Pass 15.249 20dB Bandwidth Pass NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2013. Page 6 of 36 Report No.: STS2103180W01 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.68dB 2 Unwanted Emissions, conducted ±2.988dB 3 All emissions, radiated 9K-30MHz ±2.84dB 4 All emissions, radiated 30M-1GHz ±4.39dB 5 All emissions, radiated 1G-6GHz ±5.10dB 6 All emissions, radiated>6G ±5.48dB 7 Conducted Emission (9KHz-150KHz) ±2.79dB 8 Conducted Emission (150KHz-30MHz) ±2.80dB Page 7 of 36 Report No.: STS2103180W01 2. GENERAL INFORMATION 2. Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 1 2403.85 7 2445.85 13 2419.85 2 2426.85 8 2466.85 14 2439.85 3 2441.85 9 2414.85 15 2453.85 4 2463.85 10 2436.85 16 2479.85 5 2407.85 11 2459.85 -- -- 6 2422.85 12 2473.85 -- -- 3. Table for Filed Antenna Ant Brand Model Name Antenna Type Connector Gain (dBi) NOTE 1 IST Computers IK6610 PCB N/A -1dBi Antenna Note: The antenna information refer the manufacturer provide report, applicable only to the tested sample identified in the report. 2.1 GENERAL DESCRIPTION OF THE EUT Product Name Fashionable wireless numeric keypad Trade Name IST Computers Model Name IK6610 Series Model N/A Model Difference N/A Product Description The EUT is a Fashionable wireless numeric keypad Operation Frequency: 2403.85-2479.85 MHz Modulation Type: GFSK Antenna Designation: Please refer to the Note 3. Antenna Gain(Peak): -1dBi Based on the application, features, or specification exhibited in User Manual, the EUT is considered as an ITE/Computing Device. More details of EUT technical specification, please refer to the User Manual. Channel List Please refer to the Note 2. Power Rating Input: DC 1.5V 1.5mA Hardware version number N/A Software version number N/A Connecting I/O Port(s) Please refer to the Note 1. Note: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the User …

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Page 1 of 1 FCC ID: 2AZGHIK6610 DXX Setup photo Model name: IK6610 DXX radiation L DXX radiation H