2BMIS-MTT2Automatic turntable

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: FCC US Agent, LLC FRN: 0033402884 Contact Name: Tim Payne Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Telephone No: 708-571-3148 Email: [email protected] Applicant: Company name: Shenzhen Jimuyida Technology Co., Ltd Product Description: Automatic turntable Grantee code: 2BMIS FCC ID: 2BMIS-MTT2 FRN: 0036352367 Contact Name: Zhangkai Address: 21CD, Li-Ning Center,Shennan Avenue, Nanshan District, Shenzhen Telephone No: 18702792611 Email: [email protected] Shenzhen Jimuyida Technology Co., Ltd certifies that, as of the date of this filing of the application with the TCB, FCC US Agent, LLC is our designated US agent for service of process for the above referenced FCC ID. Shenzhen Jimuyida Technology Co., Ltd 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 equipment. FCC US Agent, LLC accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicantis aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. 1/1 Date: 28/11/2025 Applicant’s Name: Zhangkai US Agent’s Name: Tim Payne Title: Engineer Title: President Signature Signature

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Shenzhen Jimuyida Technology Co., Ltd Grantee code: 2BMIS FCC ID: 2BMIS-MTT2 FRN: 0036352367 Contact Name: Zhangkai Address: 21CD, Li-Ning Center,Shennan Avenue, Nanshan District, Shenzhen Telephone No: 18702792611 Fax No: N/A Email: [email protected] i. [Shenzhen Jimuyida 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. The applicant must sign this certification. ii. [Shenzhen Jimuyida Technology Co., Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not(as a specifically named entity or any of its subsidiaries or affiliates)identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [ Shenzhen Jimuyida 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 . Date: 2025/11/27 Applicant’s Name: Zhangkai Title: Engineer Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1

Shenzhen Jimuyida Technology Co., Ltd Code 00018768 Ed. 1 Item 1. The device is able to install software/program installation? ☐ Yes, go to Item 2. ☑No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky cybersecurity or anti-virus software. Item 2. Technical Requirements for Kaspersky Cybersecurity Software: # General Requirements (For all Devices) Yes / No or N/A Comments 1 Internet connection for activation and updates (For all Operating Systems) N/A Device Automatic turntable Company name Shenzhen Jimuyida Technology Co., Ltd Grantee code 2BMIS FCC ID 2BMIS-MTT2 FRN 0036352367 Contact name Zhangkai Address 21CD, Li-Ning Center,Shennan Avenue, Nanshan District, Shenzhen Telephone number 18702792611 E-mail [email protected] Chipset/module information ESP32-C3 Operating System (if applicable) N/A Storage Capacity (hard drive or other permanent memory storage, if applicable) N/A 2 # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A 2 Operating System: Microsoft Windows 8, 8.1, 10 & 11 Home / Pro / Enterprise Microsoft Windows 7 Starter / Home Basic & Premium / Professional / Ultimate SP1 or higher N/A 3 Processor: 1 GHz or higher (x86 or x64) N/A 4 Memory (RAM)1 GB (32-bit) or 2 GB (64-bit) N/A 5 Screen Resolution: Minimum resolution of 1024 x 768 N/A # General Requirements (For macOS devices) Yes / No or N/A Comments 1 Operating System macOS® 13 – 14 N/A 2 Memory (RAM)4 GB N/A 3 Storage: 3455 MB free space on the hard drive N/A # General Requirements (For Android Devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: Android™ 10 – 14 N/A 3 Screen Resolution: Minimum resolution of 320 x 480 N/A # General Requirements (for iOS devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: iOS® 17 N/A # General Requirements (For Linux system) Yes / No or N/A Comments 3 1 Hard drive: 1 GB of free space N/A 2 CPU: Intel Pentium 1 GHz or higher 3 RAM: 1 GB 4 Minimum software requirements: AlmaLinux OS 8 or later; AlterOS 7.5 or later; Astra Linux Common Edition 2.12 or later; CentOS 6.7 or later; Debian GNU/Linux 10.0 or later; EulerOS 2.0 or later; Oracle Linux 7.3 or later ; Red Hat Enterprise Linux 6.7 or later ; Rocky Linux 8.5 or later ; SUSE Linux Enterprise Server 12.5 or later; Ubuntu 12.04 or later ; Uncom OS Home / Business / Education / Enterprise 2.2 or later; ALT Linux Workstaton / Workstation K / Server / Education 8 or later; ROSA Linux Workstation / Server 12 or later ; RED OS 7.3 and later ; After reviewed the technical requirements, is the device capable of supporting the installation of Kaspersky software? ☐ Yes, go to Item 3. ☑No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky software Item 3.Connectivity Capabilities: 4 # Physical Interface Purpose Justification 1 1 # Wireless Interface Purpose Justification 1 1 After the review of this items, the device: ☑Cannot support installation of any cybersecurity or anti-virus software on the covered list. ☐Potentially can operate with any cybersecurity or anti-virus software on the covered list – additional third- party proof is provided to demonstrate compliance with requirements as of 2.911(d)5(i),(ii) – “Proof of Compliance with Covered List Software Requirements” of this document applies Signature: Name: Zhangkai Date:2025-11-27 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications.

TCB CALL página 1 File FCC ID: 2BMIS-MTT2 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : https://opencorporates.com/companies/us_il/LLC_12842678 In google: TCB CALL página 2 Bank information TCB CALL página 3 TCB CALL página 4 TCB CALL página 5 TCB CALL página 6 TCB CALL página 7 TCB CALL página 8 TCB CALL página 9 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed1_US_Agent_Letter" >

C5266091_X10_Ed.2 1/1 < Shenzhen Jimuyida Technology Co., Ltd > Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2025-11 -27 Subject: Request for Confidentiality FCC ID: 2BMIS-MTT2 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☒ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☒ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of __180____ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Zhangkai Title: Engineer

C5266091_X8_Ed.1 1/1 Letter of Authorization < Shenzhen Jimuyida Technology Co., Ltd > Company: Shenzhen Jimuyida Technology Co., Ltd Address: 21CD, Li-Ning Center,Shennan Avenue, Nanshan District, Shenzhen Product Name: Automatic turntable Model Number: MTT2 FCC Identifier: 2BMIS-MTT2 We authorize LGAI Technological Center S.A., Ronda de la Font delCarme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Zhangkai Date: 28/11/2025 Title: Engineer Signature of applicant:

FCC ID: 2BMIS-MTT2 Maximum Permissible Exposure (MPE) According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) MPE Calculation Method E (V/m) ＝ d GP**30 Power Density: Pd (W/m²) ＝ 377 2 E E ＝ Electric field (V/m) P ＝ Average RF output power (W) G ＝ EUT Antenna numeric gain (numeric) d ＝ Separation distance between radiator and human body (m) The formula can be changed to Pd ＝ 2 *377 **30 D GP From the EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained. Measurement Result Operation Frequency: 2402MHz~2480MHz Power density limited: 1mW/ cm 2 Antenna gain: 3.37dBi; antenna gain Numeric=10^(dBi/10)= 10^(3.77/10)=2.17 R=20cm mW=10^(dBm/10) BLE: conducted power Evaluation result Power density (dBm)(mW)(dBi)Numeric 2402 12.44 12±113 19.9533.372.170.00861 2440 14.19 14±115 31.6233.372.170.01371 2480 13.46 13±114 25.1193.372.170.01091 2402 12.65 12±113 19.9533.372.170.00861 2440 14.51 14±115 31.6233.372.170.01371 2480 13.56 13±114 25.1193.372.170.01091 (mW/cm2 )(mW/cm2) Antenna Gain GFSK1M Max tune-up power Channel Freq. (MHz) modulation Tune-up power (dBm) (dBm) GFSK2M Note: The tune-up power was declared by manufacturer. BLE 1M/BLE 2M cannot transmit at same time Conclusion: Compliance RF exposure. Signature: Date: 2025-10-27 NAME AND TITLE (Please print or type): alex li/Manager COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen P.R. China.

Report No.: N25100909813E Version.1.3 Page 1 of 47 RADIO TEST REPORT FCC ID: 2BMIS-MTT2 Product: Automatic turntable Trade Mark: 3DMAKERPRO Model No.: MTT2 Family Model: N/A Report No.: N25100909813E Issue Date: Oct. 27, 2025 Prepared for Shenzhen Jimuyida Technology Co., Ltd 21CD, Li-Ning Center,Shennan Avenue, Nanshan District, Shenzhen Prepared by Shenzhen NTEK Testing Technology Co., Ltd. No. 24 Xinfa East Road, Xiangshan Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, People's Republic of China Tel. 0755-2320 0050 Website: http://www.ntek.org.cn Report No.: N25100909813E Version.1.3 Page 2 of 47 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION ...................................................................................................................... 3 2 SUMMARY OF TEST RESULT S ......................................................................................................................... 4 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 5 3.1 FACILITIES..................................................................................................................................................... 5 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 5 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 5 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 6 5 DESCRIPTION OF TEST MODES ..................................................................................................................... 8 6 SETUP OF EQUIPMENT UNDER TEST ........................................................................................................... 9 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ....................................................................... 9 6.2 SUPPORT EQUIPMENT ............................................................................................................................... 10 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 11 7 TEST REQUIREMENTS .................................................................................................................................... 13 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 13 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 16 7.3 6DB BANDWIDTH ....................................................................................................................................... 25 7.4 DUTY CYCLE ............................................................................................................................................... 26 7.5 PEAK OUTPUT POWER .............................................................................................................................. 28 7.6 POWER SPECTRAL DENSITY ................................................................................................................... 29 7.7 CONDUCTED BAND EDGE MEASUREMENT......................................................................................... 31 7.8 SPURIOUS RF CONDUCTED EMISSIONS ................................................................................................ 32 7.9 ANTENNA APPLICATION .......................................................................................................................... 33 8 TEST RESULTS ................................................................................................................................................... 34 8.1 1M .................................................................................................................................................................. 34 8.2 2M .................................................................................................................................................................. 41 Report No.: N25100909813E Version.1.3 Page 3 of 47 1 TEST RESULT CERTIFICATION Applicant’s name ......................... Shenzhen Jimuyida Technology Co., Ltd Address ....................................... 21CD, Li-Ning Center,Shennan Avenue, Nanshan District, Shenzhen Manufacturer's Name .................. Wuhan Ruler Technology Co., Ltd Address ....................................... Room 201, 2nd Floor, and Room 403, 4th Floor, Building D, Hairongji incubation Park, No.8 Changchengyuan Road, Donghu New technology Development Zone, Wuhan, Hubei, China Product description Product name .............................. Automatic turntable Trade Mark .................................. 3DMAKERPRO Model and/or type reference ...... MTT2 Family Model ............................... N/A Test Sample number ................... S2510100119-1# Date (s) of performance of tests .. Oct. 10, 2025 ~ Oct. 27, 2025 Measurement Procedure Used: APPLICABLE STANDARDS APPLICABLE STANDARD/ TEST PROCEDURE TEST RESULT FCC 47 CFR Part 2, Subpart J FCC 47 CFR Part 15, Subpart C ANSI C63.10-2020 KDB 558074 D01 15.247 Meas Guidance v05r02 Complied This device described above has been tested by Shenzhen NTEK Testing Technology Co., Ltd., and 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 Shenzhen NTEK Testing Technology Co., Ltd., this document may be altered or revised by Shenzhen NTEK Testing Technology Co., Ltd., personnel only, and shal…

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OTA TEST REPORT TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in ANSI/IEEE Std 149-2008. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Pr epared by: Peng Tao Ap proved by: Kai Xu TA Technology (Shanghai) Co., Ltd. No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China TEL: +86‐021‐50791141/2/3 FAX: +86‐021‐50791141/2/3‐8000 Applicant Espressif System (Shanghai) Co.,Ltd Product ESP32-C3-WROOM-02 Model ESP-ANT B Report No. Y2102A0260-T3 Issue Date March 9, 2021 OTA Test Report Report No: Y2102A0260-T3 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 2 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. TABLE OF CO NTENTS 1.Test Laboratory .............................................................................................................................. 3 1.1. Notes of the Test Report ................................................................................................... 3 1.2. Test facility ........................................................................................................................ 3 1.3. Testing Location ................................................................................................................ 3 1.4. Laboratory Environment .................................................................................................... 4 2.General Description of Equipment under Test ............................................................................... 5 2.1. Applicant and Manufacturer Information ............................................................................ 5 2.2. General information ........................................................................................................... 5 2.3. Test Date ........................................................................................................................... 5 2.4. Receiving Date .................................................................................................................. 5 2.5. Applied Standards ............................................................................................................. 6 3.Test Conditions .............................................................................................................................. 7 3.1. Test Configuration ............................................................................................................. 7 3.2. Test Measurement ............................................................................................................. 7 4.Test Results ................................................................................................................................... 8 4.1. Gain and Efficiency ............................................................................................................ 8 5.Equipment List ............................................................................................................................... 9 ANNEX A 3-D Pattern Plots ................................................................................................................... 10 ANNEX B：The EUT Appearance and Test Configuration ...................................................................... 12 B.1 EUT Appearance ................................................................................................................... 12 B.2 Test Configuration ................................................................................................................. 13 OTA Test Report Report No: Y2102A0260-T3 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 3 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1.Test Laboratory 1.1. Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of TA technology (shanghai) co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein .Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2. Test facility A2LA (Certificate Number: 3857.01) TA Technology (Shanghai) Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform measurement. 1.3. Testing Location Company: TA Technology (Shanghai) Co., Ltd. Address: No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China City: Sh ang hai P ost code: 201201 Country: P. R. China Contact: Xu Ka i Telep hone: +86-021-50791141/2/3 Fax:+86- 021-50791141/2/3-8000 Website: http://www.ta-shanghai.com E-mail: [email protected] OTA Test Report Report No: Y2102A0260-T3 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 4 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1.4. Labora tory Environment Temperature Min. =19°C，Max. = 25°C Relative humidity Min. =40%，Max. =72% Shield effect 0.7-6GHz > 100dB Ground resistance <0.5 1.5. Antenna size OTA Test Report Report No: Y2102A0260-T3 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 5 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 2. General Description of Equipment under Test 2.1. Applicant and Manufacturer Information Applicant Name Espressif System (Shanghai) Co.,Ltd Applicant address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China Manufacturer Name Espressif System (Shanghai) Co.,Ltd Manufacturer address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, …

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