2BDFSHST-01Anti-Lost Finder

  FCC RF Radiation Exposure Statement: 1.This Transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. 2.This equipment complies with RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 5mm between the radiator and your body.

SHENZHEN HSJY TECHNOLOGY CO.,LTD. Section 2.911(d)(5)(i) Certification – Equipment Type Company name: SHENZHEN HSJY TECHNOLOGY CO.,LTD. Address: 5th Floor, Building G, Hongzhu Yongqi Industrial Zone, Lezhujiao, Baoan Dist. Shenzhen City, GD Province, China Product Name: Anti-Lost Finder FCC ID: 2BDFSHST-01 Model(s): HST-0 1 2.911(d)(5)(i) Equipment Type We, [SHENZHEN HSJY TECHNOLOGY CO.,LTD. ] (“the applicant”) certify that the equipment for which authorization is sought through certification is not: • Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules. • Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Ben Liu Date: 2023-11-09 Title: Manager NOTE 1 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the 2.911 (d)(5)(i) Equipment Type Attestation v1.2

SHENZHEN HSJY TECHNOLOGY CO.,LTD. Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: SHENZHEN HSJY TECHNOLOGY CO.,LTD. Address: 5th Floor, Building G, Hongzhu Yongqi Industrial Zone, Lezhujiao, Baoan Dist. Shenzhen City, GD Province, China Product Name: Anti-Lost Finder FCC ID: 2BDFSHST-01 Model(s): HST-0 1 2.911(d)(5)(ii) Applicant filing We, [SHENZHEN HSJY TECHNOLOGY CO.,LTD. ] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: Ben Liu Date: 2023-11-09 Title: Manager NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the 2.911 (d)(5)(ii) Applicant Attestation v1.2

SHENZHEN HSJY TECHNOLOGY CO.,LTD. Section 2.911(d)(7) USA Agent for Service of Process Company name: SHENZHEN HSJY TECHNOLOGY CO.,LTD. Address: 5th Floor, Building G, Hongzhu Yongqi Industrial Zone, Lezhujiao, Baoan Dist. Shenzhen City, GD Province, China Product Name: Anti-Lost Finder FCC ID: 2BDFSHST-01 Model(s): HST-01 2.91 1(d)(7) USA Designated Agent for Service of Process W e, [SHENZHEN HSJY TECHNOLOGY CO.,LTD. ] (“the applicant”) designate [THREE STONES MEDIA LLC] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We Acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our 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. A gent obligation: We Acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address 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. USA Agent Company name: THREE STONES MEDIA LLC Address: 1200 Broadway St. APT 329, Los Angeles, CA90015 F RN: 0033401761 Contact Name: Sijie Zhang Telephone No: +1 267 909 3692 Email: [email protected] Applicant Company name: SHENZHEN HSJY TECHNOLOGY CO.,LTD. A ddress: 5th Floor, Building G, Hongzhu Yongqi Industrial Zone, Lezhujiao, Baoan Dist. Shenzhen City, GD Province, China FRN: 0034433474 FCC Grantee Code: 2BDFS Contact Name: Ben Liu Telephone No: +86-15889767244 Email: [email protected] 2.911 (d)(7)USA Agent v1.2 SHENZHEN HSJY TECHNOLOGY CO.,LTD. Signature: Title: Signature: Title: Manager Date: 2023-11-09 Date: 2023-11-09 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threat s-to -the-communications-supply-chain-through-the 2.911 (d)(7)USA Agent v1.2

SHENZHEN HSJY TECHNOLOGY CO.,LTD. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-11-09 Subject; Request for Long Term Confidentiality FCC ID: 2BDFSHST-01 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 BOM Operational Description 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: Ben Liu Title: Manager

Letter of Authorization Company: SHENZHEN HSJY TECHNOLOGY CO.,LTD. Address: 5th Floor, Building G, Hongzhu Yongqi Industrial Zone, Lezhujiao, Baoan Dist. Shenzhen City, GD Province, China Product Name: Anti-Lost Finder Model Number: HST-01 FCC Identifier: 2BDFSHST-01 We authorize MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, 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 MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Ben Liu Date: 2023-11-09 Title: Manager

Model: HST-01 External Model: HST-01 Model: HST-01

Label&Location Anti-Lost Finder Model: HST-01 FCC ID: 2BDFSHST-01

Model: HST-01 Internal Model: HST-01 BT ANT

Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 1 of 7 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China RF Exposure Report For Applicant Name: SHENZHEN HSJY TECHNOLOGY CO.,LTD. Address: 5th Floor , Building G , Hongzhu Yongqi Industrial Zone , Lezhujiao , Baoan Dist.Shenzhen City,GD Province,China EUT Name: Anti-Lost Finder Brand Name: N/A Model Number: HST-01 Issued By Company Name: BTF Testing Lab (Shenzhen) Co., Ltd. Address: F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Report Number: BTF231020R00402 Test Standards: 47 CFR Part 2 Subpart J Section 2.1093 FCC ID: 2BDFSHST-01 Test Conclusion: Pass Test Date: 2023-10-20 to 2023-11-03 Date of Issue: 2023-11-06 Prepared By: Gavin Cui / Project Engineer Date: 2023-11-06 Approved By: Ryan.CJ / EMC Manager Date: 2023-11-06 Note: All the test results in this report only related to the testing samples. Which can be duplicated completely for the legal use with approval of applicant; it shall not be reproduced except in full without the written approval of BTF Testing Lab (Shenzhen) Co., Ltd., All the objections should be raised within thirty days from the date of issue. To validate the report, you can contact us. Test Report Number: BTF231020R00402 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 2 of 7 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Revision History Version Issue Date Revisions Content R_V0 2023-11-06 Original Note: Once the revision has been made, then previous versions reports are invalid. Test Report Number: BTF231020R00402 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 3 of 7 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Table of Contents 1. Introduction ............................................................................................................................................................................................ 4 1.1 Identification of Testing Laboratory ................................................................................................................................. 4 1.2 Identification of the Responsible Testing Location ...................................................................................................... 4 1.3 Laboratory Condition ........................................................................................................................................................... 4 1.4 Announcement ....................................................................................................................................................................... 4 2. Product Information .............................................................................................................................................................................. 5 2.1 Application Information ....................................................................................................................................................... 5 2.2 Manufacturer Information .................................................................................................................................................... 5 2.3 Factory Information .............................................................................................................................................................. 5 2.4 General Description of Equipment under Test (EUT)................................................................................................... 5 3. Test Requirement ................................................................................................................................................................................. 6 3.1 Assessment Result ............................................................................................................................................................... 6 Test Report Number: BTF231020R00402 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 4 of 7 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China 1. Introduction 1.1 Identification of Testing Laboratory Company Name: BTF Testing Lab (Shenzhen) Co., Ltd. Address: F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Phone Number: +86-0755-23146130 Fax Number: +86-0755-23146130 1.2 Identification of the Responsible Testing Location Test Location: BTF Testing Lab (Shenzhen) Co., Ltd. Address: F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Description: All measurement facilities used to collect the measurement data are located at F101,201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China FCC Registration Number: 518915 Designation Number: CN1330 1.3 Laboratory Condition Ambient Temperature: 20°C to 25°C Ambient Relative Humidity: 45% to 55% Ambient Pressure: 100 kPa to 102 kPa 1.4 Announcement (1) The test report reference to the report template version v0. (2) The test report is invalid if not marked with the signatures of the persons responsible for preparing, reviewing and approving the test report. (3) The test report is invalid…

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Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 1 of 54 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China RF Test Report For Applicant Name: SHENZHEN HSJY TECHNOLOGY CO.,LTD. Address: 5th Floor , Building G , Hongzhu Yongqi Industrial Zone , Lezhujiao , Baoan Dist.Shenzhen City,GD Province,China EUT Name: Anti-Lost Finder Brand Name: N/A Model Number: HST-01 Issued By Company Name: BTF Testing Lab (Shenzhen) Co., Ltd. Address: F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Report Number: BTF231020R00401 Test Standards: 47 CFR Part 15.247 FCC ID: 2BDFSHST-01 Test Conclusion: Pass Test Date: 2023-10-20 to 2023-11-03 Date of Issue: 2023-11-06 Prepared By: Gavin Cui / Project Engineer Date: 2023-11-06 Approved By: Ryan.CJ / EMC Manager Date: 2023-11-06 Note: All the test results in this report only related to the testing samples. Which can be duplicated completely for the legal use with approval of applicant; it shall not be reproduced except in full without the written approval of BTF Testing Lab (Shenzhen) Co., Ltd., All the objections should be raised within thirty days from the date of issue. To validate the report, you can contact us. Test Report Number: BTF231020R00401 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 2 of 54 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Revision History Version Issue Date Revisions Content R_V0 2023-11-06 Original Note: Once the revision has been made, then previous versions reports are invalid. Test Report Number: BTF231020R00401 Total or partial reproduction of this document without permission of the Laboratory is not allowed. Page 3 of 54 BTF Testing Lab (Shenzhen) Co., Ltd. F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China Table of Contents 1 INTRODUCTION ..........................................................................................................................................5 1.1 Identification of Testing Laboratory ...............................................................................................5 1.2 Identification of the Responsible Testing Location ......................................................................5 1.3 Announcement .................................................................................................................................5 2 PRODUCT INFORMATION ..........................................................................................................................6 2.1 Application Information ...................................................................................................................6 2.2 Manufacturer Information ................................................................................................................6 2.3 Factory Information .........................................................................................................................6 2.4 General Description of Equipment under Test (EUT) ...................................................................6 2.5 Technical Information ......................................................................................................................6 3 SUMMARY OF TEST RESULTS .................................................................................................................7 3.1 Test Standards ..................................................................................................................................7 3.2 Uncertainty of Test ...........................................................................................................................7 3.3 Summary of Test Result ..................................................................................................................7 4 TEST CONFIGURATION .............................................................................................................................8 4.1 Test Equipment List .........................................................................................................................8 4.2 Test Auxiliary Equipment ............................................................................................................. 10 4.3 Test Modes ..................................................................................................................................... 10 5 EVALUATION RESULTS (EVALUATION) ................................................................................................. 11 5.1 Antenna requirement ..................................................................................................................... 11 5.1.1 Test Data: ............................................................................................................................. 11 6 RADIO SPECTRUM MATTER TEST RESULTS (RF) .............................................................................. 12 6.1 Occupied Bandwidth .................................................................................................................... 12 6.1.1 E.U.T. Operation: ................................................................................................................. 12 6.1.2 Test Setup Diagram: ............................................................................................................ 12 6.1.3 Test Data: ............................................................................................................................ 12 6.2 Maximum Conducted Output Power ..........................…

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Antenna specification 1、Antenna introduction The Bluetooth module antenna is directly used on the PCB. Manufacturer：Lenze Design Inc Address： 7th Floor,Ching Po Building,Shenzhen Special Zone Press Group,Futian District,Shenzhen 2、Antenna shape 1 3、Antenna parameter The Bluetooth antenna operates at 2402-2480 MHz and generates resonance in this band. The table below shows the main parameters of the antenna. Frequency(MHz) 2402 ~ 2480 MHz VSWR ≤ 1.95 Impedance 50 Ohm Nominal Return Loss -15 dB Max Radiation Omni-directional Gain (Peak) -1.5 dBi Polarization Linear, Vertical Admitted Power 1MW Connector Tin 2 4、Antenna gain report Spectrum Detector: PK Test Date : Feb 18, 2022 Test By: Mark Temperature : 25°C Test Result: PA S S Humidity : 52 % Modulation: GFSK Frequency VNA (MHz) E Total. dB(dB) 2400MHz 0.0403503 2410MHz 0.0886264 2420MHz 0.267381 2430MHz 0.193012 2440MHz 0.26366 2450MHz 0.0723139 2460MHz 0.36895 2470MHz 0.551525 2480MHz 0.640702 2490MHz 1.05232 2500MHz 1.08443 3 Direction map： PHI 0° 4 PHI 90° THETA 90° 5

Model: HST-01 Band edge emissions (Radiated) Emissions in frequency bands (above 1GHz) Emissions in frequency bands (below 1GHz)