2BRTL-K9Laser Engraving Machine

K9 K9 Warning To assure continued compliance, any changes or modifications not expressly approved by the party.Responsible for com- pliance could void the user’s authority to operate this equipment. FCC Statement This equipment 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 residen- tial 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. FCC Radiation Exposure Statement: The equipment complies with FCC Radiation exposure limits set forth for uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. Caution use of controls or adjustment of performance of procedures other than those specified herein may result in haz- ardous radiation exposure. 01 02 03 K9 05 07 08 14 15 18 23 24 28 04 260 417 199 260 Top viewFront viewSide view 05 Power supply: engraving machine power supply Data cable: used for computer-machine connection USB drive: Includes software driver, user software, electronic file manual User Manual: Introduction to the engraving machine and how to operate it Power supplyData cable USB driveUser Manual 06 07 1. Move the packag- ing filler up about 10 mm and then pull it outwards with force. 2. Move the packag- ing filler up about 10 mm and then pull it outwards with force. 3. Push the laser to the left with your hand to the position shown in the figure. 4. Hold the inner filler rope loop with your hand and pull it outwards to remove the filler. Lens installation: 08 5. Use your hand to push the laser unit to the right until it reaches the position shown in the figure. 6. Hold the inner filling material's rope loop with your hand and pull outward to remove the filling material. Lens Install the lens into the viewing window Lens installation: 09 Viewing window Used to view the progress of the engraved object and the preview area DC12V Connect to 12V power supply USB-Pc Connect to computer Used for placing works Filter cover plate: Used for replacing the filter Offline engraving Power-on button Drawer card holder Offline Engraving Function Description a. Press to automatically reset the machine and preview. b. Press and hold for more than 3 seconds to enter engraving mode. c. Press again briefly to pause. d. Press again briefly to resume. e. Press and hold for over 3 seconds to cancel engraving. 10 11 1. Pull out the drawer 2. Cards can be placed vertically or horizontally 3. Close the drawer box Card placement: 12 1. Remove the cover plate. 2. Remove the filter cartridge to replace it. Filter cartridge Replacing the filter cartridge: 1. Remove the cover plate. 2. Pull out the filter cartridge to replace it. 13 1. Driver installation path: Double-click the U disk folder/windows/driver/driver.exe/Click to install/Driver installation is successful ①② ③④ ⑤ Click to install⑥ Confirm to complete the installation 14 15 1. Driver installation path: Driver installation path: Double-click U disk/02_MAC/driver/CH34x_Install_V1.4.pkg/Installation introduction/Instal- lation type/Installation/Installation completed ①②③ ④ Click Continue ⑤ Enter the computer password ⑥ Click Continue installation ⑦ Continue installation ⑧ Complete installation 16 17 18 19 20 21 22 Scan the QR code below to download 23 24 25 26 27 K9 4. 3. 2. 1. 28 5. 6. 29

GCS TIMES GROUP COMPANY LIMITED ADD: Floor 10, Building 1, No.18 Futian Road, Xiangzhou District, Zhuhai, Guangdong，China Tel: +86 18101357335 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2025-09-22 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: 2BRTL-K9 GCS TIMES GROUP COMPANY LIMITED 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 Yours, Signature: Jimmy Ma Manager

GCS TIMES GROUP COMPANY LIMITED ADD: Floor 10, Building 1, No.18 Futian Road, Xiangzhou District, Zhuhai, Guangdong，China Tel: +86 18101357335 Email: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 2025-09-22 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: 2BRTL-K9 GCS TIMES GROUP COMPANY LIMITED 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. And our product does not use Kaspersky software information. Sincerely Yours, Signature: Jimmy Ma Manager

U.S. AGENT LETTER OF ATTESTATION Date: 2025-0 9-22 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: 2BRTL-K9 GCS TIMES GROUP COMPANY LIMITED certifies that, as of the date of the filing of the application, Iconsigh Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. GCS TIMES GROUP COMPANY LIMITED 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. Iconsigh Inc. 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: Iconsigh Inc. Address: 2310 Homestead Road, Suite C1, Los Altos, CA, 94024, USA FRN: 0033398652 Tel.: +1 (408) 320-9867 Email: [email protected] Signed by (printed name): Benjamin Kaur Signature: Applicant: GCS TIMES GROUP COMPANY LIMITED Address: Floor 10, Building 1, No.18 Futian Road, Xiangzhou District, Zhuhai, Guangdong，China FRN: 0037412525 Tel: +86 18101357335 Email: [email protected] Signed by (printed name): Jimmy Ma Signature:

GCS TIMES GROUP COMPANY LIMITED ADD: Floor 10, Building 1, No.18 Futian Road, Xiangzhou District, Zhuhai, Guangdong，China Tel: +86 18101357335 Email: [email protected] Date: 2025-09-22 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Declaration of Similarity To Whom It May Concern, We, GCS TIMES GROUP COMPANY LIMITED hereby declare that we have a product named as Laser engraving machine, model: K9 (FCC ID: 2BRTL-K9) was tested by Bay Area Compliance Laboratories Corp. (Shenzhen). Meanwhile, for our marketing purpose, we would like to list a series model (K9 Pro, K9 Max) on reports and certificate. All the models are identical in electrically, the difference is model number and sales channel. No other changes are made on them. We guarantee all the information provided above is true, and notice that we’ll bear all the consequences caused by any false information or concealing. Signature: Jimmy Ma Manager

GCS TIMES GROUP COMPANY LIMITED ADD: Floor 10, Building 1, No.18 Futian Road, Xiangzhou District, Zhuhai, Guangdong，China Tel: +86 18101357335 Email: [email protected] FCC Confidential Authorization Date: 2025-09-22 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2BRTL-K9 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, GCS TIMES GROUP COMPANY LIMITED hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Jimmy Ma Manager

GCS TIMES GROUP COMPANY LIMITED ADD: Floor 10, Building 1, No.18 Futian Road, Xiangzhou District, Zhuhai, Guangdong，China Tel: +86 18101357335 Email: [email protected] QA-FR-170-B 7/29/2014 FCC Authorization Date: 2025-09-22 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We GCS TIMES GROUP COMPANY LIMITED the undersigned, hereby authorizes Bay Area Compliance Laboratories Corp. (Shenzhen) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. (Shenzhen) on our behalf shall have the same effect as our own action. 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. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Jimmy Ma Manager

GCS TIMES GROUP COMPANY LIMITED ADD: Floor 10, Building 1, No.18 Futian Road, Xiangzhou District, Zhuhai, Guangdong， China Tel: +86 18101357335 Email: [email protected] Date: 2025-09-22 Attestation Letter FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, Our product Laser engraving machine, model: K9, K9 Pro, K9 Max, FCC ID: 2BRTL-K9, for marketing purpose, this product only supports BLE 1M. The other functions and bands were disabled to use by manufacture in the software, the end user has no capability to activate it. Sincerely Yours, Signature: Jimmy Ma Manager

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 1 of 12 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS For model: K9 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 2 of 12 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 3 of 12 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 4 of 12 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 5 of 12 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 6 of 12 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 7 of 12 For model: K9 Pro Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 8 of 12 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 9 of 12 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 10 of 12 For model: K9 Max Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 11 of 12 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-EXP Page 12 of 12

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2501W26400E-RF EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 1 of 14 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 2 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 3 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 4 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 5 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 6 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 7 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 8 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 9 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 10 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 11 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 12 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 13 of 14 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-INP Page 14 of 14 BLE ANT

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-00 TR-EM-RF003 Page 59 of 62 Version 4.1 RF EXPOSURE EVALUATION MPE-Based Exemption Applicable Standard According to subpart 15.247 (i) and subpart 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. According to KDB 447498 D04 v01 Interim General RF Exposure Guidance MPE-Based Exemption: General frequency and separation-distance dependent MPE-based effective radiated power(ERP) thresholds are in Table B.1 [Table 1 of § 1.1307(b)(3)(i)(C)] to support an exemptionfrom further evaluation from 300 kHz through 100 GHz. Ris the minimum separation distance in meters f = frequency in MHz For multiple RF sources: Multiple RF sources are exempt if: in the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation: Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-00 TR-EM-RF003 Page 60 of 62 Version 4.1 Result Antenna Gain#ERP Mode Frequency (MHz) Tune up conducted power # (dBm) (dBi)(dBd)(dBm)(W) Evaluation Distance (m) ERP Limit (W) BLE2402-2480 22-0.151.850.00150.20.768 Note: The tune up conducted power and antenna gain was declared by the applicant. To maintain compliance with the FCC’s RF exposure guidelines, place the equipment at least 20cm from nearby persons. Result: Compliant

Note: The information marked # is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP or any agency of the U.S. Government. This report may contain data that are not covered by the NVLAP accreditation and are marked with an asterisk “▼”. Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) , 6F, 7F, the 3rd Phase of Wan Li Industrial Building D, Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn TR-EM-RF003 Page 1 of 62 Version 4.1 TEST REPORT Applicant Name:GCS TIMES GROUP COMPANY LIMITED Address:Floor 10, Building 1, No.18 Futian Road, Xiangzhou District, Zhuhai City, Guangdong Province，China. Report Number:2501W26400E-RF-00 FCC ID:2BRTL-K9 Test Standard (s) FCC PART 15.247 Sample Description Product Type:Laser engraving machine Model No.:K9 Multiple Model(s) No.:K9 Pro, K9 Max Trade Mark:GCSTIMES Date Received:2025/08/12 Issue Date:2025/10/09 Test Result:Pass ▲ ▲ In the configuration tested, the EUT complied with the standards above. Prepared and Checked By:Approved By: Simon ZhongNancy Wang RF EngineerRF Supervisor Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501W26400E-RF-00 TR-EM-RF003 Page 2 of 62 Version 4.1 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ..........................................................................................................................3 GENERAL INFORMATION ........................................................................................................................................4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT)......................................................................................4 OBJECTIVE ....................................................................................................................................................................4 TEST METHODOLOGY....................................................................................................................................................4 MEASUREMENT UNCERTAINTY .....................................................................................................................................5 TEST FACILITY ..............................................................................................................................................................5 SYSTEM TEST CONFIGURATION ...........................................................................................................................6 SUMMARY OF TEST RESULTS ................................................................................................................................9 TEST EQUIPMENT LIST ..........................................................................................................................................10 REQUIREMENTS AND TEST PROCEDURES ......................................................................................................12 AC LINE CONDUCTED EMISSIONS...............................................................................................................................12 UNWANTED EMISSION FREQUENCIES AND RESTRICTED BANDS .................................................................................14 6 DB EMISSION BANDWIDTH & 99% OCCUPIED BANDWIDTH....................................................................................17 PEAK OUTPUT POWER MEASUREMENT .......................................................................................................................19 POWER SPECTRAL DENSITY ........................................................................................................................................20 100 KHZ BANDWIDTH OF FREQUENCY BAND EDGE....................................................................................................21 CONDUCTED SPURIOUS EMISSION...............................................................................................................................22 DUTY CYCLE ...............................................................................................................................................................23 ANTENNA REQUIREMENT .....................................................................................................................................24 TEST DATA AND RESULTS .....................................................................................................................................25 AC LINE CONDUCTED EMISSIONS...............................................................................................................................25 UNWANTED EMISSION FREQUENCIES AND RESTRICTED BANDS .................................................................................28 6DB EMISSION BANDWIDTH........................................................................................................................................48 99% OCCUPIED BANDWIDTH ......................................................................................................................................50 MAXIMUM CONDUCTED OUTPUT POWER ...................................................................................................................52 POWER SPECTRAL DENSITY ...........................................................................................…

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Approval sheet Page 1 of 4 May. 2019 ANPPROVANLSHEET RFECA Series – RoHS Compliance On-board Antenna Halogens Free Product 2.4 GHz ISM Band Working Frequency P/N: MS-ANT-F-S1 *Contents in this sheet are subject to change without prior notice. Shenzhen Meixun Internet of Things Technology Co., LTD Room 1106, Henglin Building, Baoyuan Road, Yuyu Community, Xixiang Sub-district, Bao 'an District, Shenzhen City Approval sheet Page 2 of 4 May. 2019 FEATURES 1. a small dimension of 11.4 X 5.4 mm2 3. High stability in Temperature / Humidity Change. 4. Superb performance to place on the middle of PCB edge and excellent peak/ average gain observed by field test application. APPLICATIONS 1. ISM Band 2.4GHz applications. 2. Bluetooth.. CONSTRUCTION DIMENSIONS Approval sheet Page 3 of 4 May. 2019 TYPE 1 ELECTRONIC CHARACTERISTICS Item Specification WorkingFrequencyRange 2.4GHz~2.4835GHz (Note1) VSWR 2.1 max. Polarization Linear Azimuth Beamwidth Omni-directional Impedance 50Ω *Note 1. Central Frequency should be defined after customers’ application approval. Antenna S11 on Test Board -10.62 dB @ 2.40 GHz -19.34 dB @ 2.45 GHz -9.648 dB @ 2.50 GHz Antenna VSWR on Test Board 1.756 @ 2.40 GHz 1.391 @ 2.45 GHz 1.986 @ 2.50 GHz Approval sheet 深圳市美迅物联网技术有限公司 Page 4 of 4 May. 2019 RADIATION PATTERN Radiation Pattern and Gain were dependent on measurement board design. The specification of MS-ANT-F-S1 antenna was measured based on the PCB size and installation position

Bay Area Compliance Laboratories Corp. (Shenzhen) EXHIBIT No.: 2501W26400E-RF-00-TSP Page 1 / 3 TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions - Side View Bay Area Compliance Laboratories Corp. (Shenzhen) EXHIBIT No.: 2501W26400E-RF-00-TSP Page 2 / 3 Radiated Emissions View (Below 30MHz) Radiated Emissions View (Below 1 GHz) Bay Area Compliance Laboratories Corp. (Shenzhen) EXHIBIT No.: 2501W26400E-RF-00-TSP Page 3 / 3 Radiated Emissions View (1-18 GHz) Radiated Emissions View (18-25 GHz) *****END *****