2BKAN-K68Detector

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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 residential 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.

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: UGK-LVMUNITEDINC FRN: 0033476375 Contact Name: Jimmychen Address: 6547NAcademyBlvd#2266,ColoradoSprings,CO80918 Telephone No: 001-323-51 04660 Email: [email protected] Applicant: Company name: Shenzhen good friend Electronics Co., Ltd Grantee code: 2BKAN FCC ID: 2BKAN-K68 FRN: 0035810282 Contact Name: Jack bu Address:Room 6709, Building 7, Building 6, Zone A, Baoan Internet Industry Base, Oyster Indus try Community, Xixiang Street, Baoan District, Shenzhen Telephone: 18906679427 Fax: 18906679427 E-mail: [email protected] [Shenzhen good friend Electronics Co., Ltd] certifies that, as of the date of this filing of the application with the TCB, [UGK-LVMUNITEDINC] is our designated US agent for service of process for the above referenced FCC ID. [Shenzhen good friend Electronics 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. [UGK-LVMUNITEDINC] 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 Applicant 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. Date: 2024/08/28 Applicant’s Name: Jack bu US Agent’s Name: Jimmychen Title: Manager Title: Manager Signature Signature

C5266091_X24_Ed.2 1/1 “Attestation Statements” 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 good friend Electronics Co., Ltd Grantee code: 2BKAN FCC ID: 2BKAN-K68 FRN: 0035810282 Contact Name: Jack bu Address:Room 6709, Building 7, Building 6, Zone A, Baoan Internet Industry Base, Oyster Indus try Community, Xixiang Street, Baoan District, Shenzhen Telephone: 18906679427 Fax: 18906679427 E-mail: [email protected] i. [Shenzhen good friend Electronics 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 good friend Electronics 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 good friend Electronics 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: 2024/08/28 Applicant’s Name: Jack bu Title: Manager 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

Shenzhen good friend Electronics Co., Ltd Product Similarity Declaration Company: Shenzhen good friend Electronics Co., Ltd Address:Room 6709, Building 7, Building 6, Zone A, Baoan Internet Industry Base, Oyster Industry Community, Xixiang Street, Baoan District, Shenzhen Product Name: Detector Model Number: K68, K66, K88, K99, K18, S698 FCC Identifier: 2BKAN-K68 We (Shenzhen good friend Electronics Co., Ltd) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model name. Client’s signature Name: Jack bu Date: 2024-08-28 Title: Manager Signature of applicant:

Shenzhen good friend Electronics Co., Ltd 1/1 Letter of Authorization Company: Shenzhen good friend Electronics Co., Ltd Address:Room 6709, Building 7, Building 6, Zone A, Baoan Internet Industry Base, Oyster Industry Community, Xixiang Street, Baoan District, Shenzhen Product Name: Detector Model Number: K68, K66, K88, K99, K18, S698 FCC Identifier: 2BKAN-K68 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, 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: Jack bu Date: 2024-08-28 Title: Manager Signature of applicant:

Shenzhen good friend Electronics Co., Ltd 1/1 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2024-08-28 Subject: Request for Confidentiality FCC ID: 2BKAN-K68 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 No ☐ Internal Photos No ☐ 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. 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. Sincerely, Name: Jack bu Date: 2024-08-28 Title: Manager Signature of applicant:

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(External Photos) ANT Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

Size:12*8mm M/N: K68 FCC ID: 2BKAN-K68 Label location

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(Internal Photos) Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

11 105±1 Unit： mm φ7 Manufacturer: Suzhou Wavelink Electronics Technology Co.,Ltd. Model Number: WL-4GE48

Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-240810011ER Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 17 FCC TEST REPORT FCC ID: 2BKAN-K68 Applicant: Shenzhen good friend Electronics Co., Ltd Address: Room 6709, Building 7, Building 6, Zone A, Baoan Internet Industry Base, Oyster Industry Community, Xixiang Street, Baoan District, Shenzhen Manufacturer: Shenzhen good friend Electronics Co., Ltd Address: Room 6709, Building 7, Building 6, Zone A, Baoan Internet Industry Base, Oyster Industry Community, Xixiang Street, Baoan District, Shenzhen EUT: Detector Trade Mark: N/A Model Number: K68 K66, K88, K99, K18, S698 Date of Receipt: Aug. 10, 2024 Test Date: Aug. 10, 2024 - Aug. 27, 2024 Date of Report: Aug. 27, 2024 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Applicable Standards: FCC Part 15 Subpart B ANSI C63.4:2014 Test Result: Pass Report Number: DL-240810011ER Prepared (Test Engineer): Alisa Song Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-240810011ER Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 17 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ................................................................................................................................... 3 2. TEST SUMMARY ..................................................................................................................... 3 3. GENERAL INFORMATION .................................................................................................... 4 4. TEST INSTRUMENT USED ................................................................................................... 6 5. CONDUCTED EMISSION TEST ........................................................................................... 7 6. RADIATION EMISSION TEST ............................................................................................ 11 7. TEST SEUUP PHOTO .......................................................................................................... 17 8. EUT PHOTOGRAPHS .......................................................................................................... 17 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-240810011ER Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 17 1. VERSION Version No. Date Description 00 Aug. 27, 2024 Original 2. TEST SUMMARY EMC Emission Standard Test Item Limit Result Remark FCC PART 15 B Conducted Emission at power ports Class B PASS Radiated Emission below 1GHz Class B PASS Radiated Emission above 1GHz Class B PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report (2) Test Facility: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No. 8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-240810011ER Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 17 3. GENERAL INFORMATION 3.1 Description of Device (EUT) EUT: Detector Trade Mark: N/A Model Number: K68 K66, K88, K99, K18, S698 Test Model: K68 Model Difference: The product's different for model number. Power Supply: DC 5V from adapter DC 3.7V from battery Working Frequency: 1MHz-8GHz(RX) NOTE: (1) For a more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. (2) The EUT’s all information provided by client. 3.2 Tested System Details None. 3.3 Block Diagram of Test Set-up Radiated Spurious Emission Test Power Line Conducted Emission test AC Mains EUT Adapter EUT Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-240810011ER Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 17 3.4 Test Mode Description Mode1. On Mode Mode2. Charging Mode 3.5 Test Auxiliary Equipment Adapter (Provide by test lab): Manufacturer: HAIWEI Model: HW-0501000E I/P: AC 100-240V 50/60Hz O/P: DC 5V 1A 3.6 Test Uncertainty Conducted Emission Uncertainty : ±2.56dB Radiated Emission Uncertainty(＜1GHz) : ±3.24dB Radiated Emission Uncertainty(＞1GHz) : ±4.89dB Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-240810011ER Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 6 of 17 4. TEST INSTRUMENT USED For Conducted Emission Test (843 Shielded Room) Equipment Manufacturer Model Serial Last Cal. Next Cal. 843 Shielded Room YIHENG 843 Room 843 Nov. 06, 2023 Nov. 05, 2026 EMI Receiver R&S ESR 101421 Nov. 04, 2023 Nov. 03, 2024 LISN R&S ENV216 102417 Nov. 04, 2023 Nov. 03, 2024 Clamp COM-POWER CLA-050 431072 Nov. 04, 2023 Nov. 03, 2024 3-Loop Antenna DAZE ZN30401 13021 Nov. 04, 2023 Nov. 03, 2024 ISN T8 Schwarzbeck NTFM 8158 101135 Nov. 04, 2023 Nov. 03, 2024 ISN T5 Schwarzbeck NTFM 8158 101136 Nov. 04, 2023 Nov. 03, 2024 843 Cable 1# ChengYu CE Cable 001 Nov. 04, 2023 Nov. 03, 2024 843 Cable 1# ChengYu CE Cable 002 Nov. 04, 2023 Nov. 03, 2024 For Radiated Emission Test (966 chamber) Other Equipment Manufacturer Model Serial Last Cal. Next Cal. 966 chamber YIHENG 966 Room 966 Nov. 05, 2023 Nov. 04, 2026 Spectrum Analyzer Agilent E4408B MY50140780 Nov. 04, 2023 Nov. 03, 2024 EMI Receiver R&S ESRP7 101393 Nov. 04, 2023 Nov. 03, 2024 Amplifier Schwarzbeck BBV9743B 00153 Nov. 04, 2023 Nov. 03, 2024 Amplifier EMEC EM01G8GA 00270 Nov. 04, 2023 Nov. 03, 2024 Broadband Trilog Antenna Schwarzbeck VULB9162 00306 Nov. 04, 2023 Nov. 03, 2024 Horn Antenna Schwarzbeck BBH…

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Shenzhen DL Testing Technology Co., Ltd. EUT TEST PHOTO Radiated Measurement Photos Shenzhen DL Testing Technology Co., Ltd. Conducted Measurement Photos ※※※※※ END OF REPORT ※※※※※