2BXYIHDSB105Door Sensor

Door Sensor Specification V1.0 1.Introduction The door sensor is a wireless and compact sensor to detect the state of door/window, Matter-enabled to let you seamlessly control your home across smartphones and voice assistants of all major platforms. No smart home cloud, no registration, no tracking. Local communication without cloud dependency 2. Features ✓ Matter over Thread ✓ Open/Closed status monitoring ✓ Realtime notifications ✓ 20mm wide gap detection ✓ Battery powered，no cable required，easy to install ✓ Multi-platform Compatibility ✓ 100% Privacy 3. Specification Item Description Model number HDS-B105 Button 1 x Reset Button Insert a pin into the hole and hold for 5 seconds to initiate factory reset process LED 1 x Status LED Detection Range 20mm Battery type CR2032 Battery life 2 Years Operating Temperature -10°C～+50°C Operating Humidity Max 95% RH Indoor/outdoor Indoor Dimension 51x30x12.7 mm(transmitter) 38.4x9x10 mm (magnet) FCC Warning Model Number: HDS-B105 FCC ID: 2BXYIHDSB105 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. 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. FCC RF exposure statement: The equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance between 20cm the radiator your body.

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: Changhong Research Labs Inc. FRN: 0038830667 Contact Name: Zedong Chen Address: 920 HILLVIEW COURT, SUITE 195, MILPITAS, CA 95035 Telephone No: 0 816-241 6863 Email: [email protected] Applicant: Company name: Changhong Research Labs Inc. FRN: 0038830667 Product Description: Door Sensor Grantee code: 2BXYI FCC ID: 2BXYIHDSB105 Contact Name: Zedong Chen Address: 920 HILLVIEW COURT, SUITE 195, MILPITAS, CA 95035 Telephone No: 0 816-241 6863 Email: [email protected] [Changhong Research Labs Inc.] certifies that, as of the date of this filing of the application with the TCB, [Changhong Research Labs Inc.] is our designated US agent for service of process for the above referenced FCC ID. [Changhong Research Labs Inc.] 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. [Changhong Research Labs Inc.] 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: 09.09. 2026 Applicant’s Name: Zedong Chen US Agent’s Name: Zedong Chen Title: QA Manager Title: QA Manager 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: Changhong Research Labs Inc. Grantee code: 2BXYI FCC ID: 2BXYIHDSB105 FRN: 0038830667 Contact Name: Zedong Chen Address: 920 HILLVIEW COURT, SUITE 195, MILPITAS, CA 95035 Telephone No: 0 816-241 6863 Fax No: Email: [email protected] i. [Changhong Research Labs Inc.] (“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. [Changhong Research Labs Inc.] (“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. Changhong Research Labs Inc. 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: 09.09.2026 Applicant’s Name: Zedong Chen Title: QA 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

Changhong Research Labs Inc. Code 00018768 Ed. 2 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 Door Sensor Company name Changhong Research Labs Inc. Grantee code 2BXYI FCC ID 2BXYIHDSB105 FRN 0038830667 Contact name Zedong Chen Address 920 HILLVIEW COURT, SUITE 195, MILPITAS, CA 95035 Telephone number 0 816-241 6863 E-mail [email protected] Chipset/module information nRF54L15 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 3 # General Requirements (For Linux system) Yes / No or N/A Comments 1 Hard drive: 1 GB of free space N/A 2 CPU: Intel Pentium 1 GHz or higher N/A 3 RAM: 1 GB N/A 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 ; N/A 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 4 Item 3. Connectivity Capabilities: # 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: Zedong Chen Date: 9/9/2026 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: 2BXYIHDSB105 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: TCB CALL página 2 In google: TCB CALL página 3 This is a company that physically located at that valid US address. ► 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" TCB CALL página 4 >

C5266091_X10_Ed.2 1/1 Changhong Research Labs Inc. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 9/9/2026 Subject: Request for Confidentiality FCC ID: 2BXYIHDSB105 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 ______ 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: Zedong Chen Title: QA Manager

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Changhong Research Labs Inc. Address: 920 HILLVIEW COURT, SUITE 195, MILPITAS, CA 95035 Product Name: Door Sensor Model Number: HDS-B105 FCC Identifier: 2BXYIHDSB105 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: Zedong Chen Date: 9/9/2026 Title: QA Manager Signature of applicant:

Page1of3ReportNo.:MTi260617020-0501 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] PhotographsoftheEUT(ExternalPhotos) Model:HDS-B105 Page2of3ReportNo.:MTi260617020-0501 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page3of3ReportNo.:MTi260617020-0501 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected]

Device:Door Sensor Model:HDS-B105 Battery:CR2032 FCC ID: 2BXYIHDSB105

Page1of3ReportNo.:MTi260617020-0501 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] PhotographsoftheEUT(InternalPhotos) Model:HDS-B105 Page2of3ReportNo.:MTi260617020-0501 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page3of3ReportNo.:MTi260617020-0501 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected]

Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE013 Ver./Rev.：A1 Page 1 of 6 RFEXPOSURE TestReport ReportNo.:MTi260617020-0501E2 Dateofissue:2026-08-14 Applicant:ChanghongResearchLabsInc. Product:DoorSensor Model(s):HDS-B105 FCCID:2BXYIHDSB105 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260617020-0501E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE013 Ver./Rev.：A1 Page 2 of 6 Tableofcontents 1RFEXPOSUREEVALUATION...............................................................................................4 2MeasurementResult..............................................................................................................5 TESTREPORT ReportNo.:MTi260617020-0501E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE013 Ver./Rev.：A1 Page 3 of 6 TestResultCertification ApplicantChanghongResearchLabsInc. ApplicantAddress920HILLVIEWCOURT,SUITE195,MILPITAS,CA95035 ManufacturerSICHUANCHANGHONGNEONETTECHNOLOGIESCO.,LTD Manufacturer Address Room528,No.2Building,InnovationCenter,NewDistrictofScienceand TechnologyCity,Mianyang FactorySICHUANCHANGHONGNEONETTECHNOLOGIESCO.,LTD FactoryAddress G05FactoryPremises,ChanghongIntelligentDisplayTerminalIndustrialPark, 38,XinpingAvenue,High-techDistrict,Mianyang621000,P.R.China Productdescription ProductnameDoorSensor TrademarkNeoNet ModelnameHDS-B105 SeriesModel(s)N/A Standards47CFRPart2.1091 TestmethodKDB447498D01v06 TestingInformation Dateoftest2026-07-21to2026-08-12 TestResultPass Preparedby: LetterLan Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi260617020-0501E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE013 Ver./Rev.：A1 Page 4 of 6 1RFEXPOSUREEVALUATION AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)Radiationasspecifiedin §1.1307(b) LimitsforMaximumPermissibleExposure(MPE) MPECalculationMethod Friistransmissionformula:Pd=(Pout*G)\(4*pi*R 2 ) Where Pd=PowerdensityinmW/cm 2 Pout=outputpowertoantennainmW G=Numericgainoftheantennarelativetoisotropicantenna Pi=3.1415926 R=distancebetweenobservationpointandcenteroftheradiatorincm(20cm) PdthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandtotalpower inputtotheantenna,throughthecalculation,wewillknowthedistancewheretheMPElimitis reached. TEST REPORT ReportNo.: MTi260617020-0501E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsame number） Web:http://www.mtitest.cnE-mail:[email protected] Address:101, No. 7, Zone 2, XinxingIndustrialPark, Fuhai Avenue,Xinhe Community,Fuhai Street, Bao ’an District,Shenzhen,Guangdong,China Q/MTI-QP-12-FE013 Ver./Rev.：A1 Page 5 of 6 2 Measurement Result Operation Frequency: 2405-2480MHz, Power density limited: 1mW/ cm2 Antenna Type: PCB Antenna Antenna gain: -0.1dBi R=20cm mW=10^(dBm/10) Antenna gain Numeric=10^(dBi/10)= 10^(-0.1/10)=0.98 Channel Freq. (MHz) modulation conducted power Tune- up power (dBm) MaxAntenna Evaluation result Power density Limits (dBm) tune-uppowerGain (mW/cm 2 )(mW/cm 2 ) (dBm)(mW)(dBi)Numeric 240 5 O-QPSK 6.106±175.012 -0.10.980.0010 1 244 06.796±175.012 -0.10.980.0010 1 24806.606±175.012 -0.10.980.0010 1 Conclusion: Simultaneous: For the max result:0.0010≤ 1.0 test exclusionthreshold,No SAR is required. TESTREPORT ReportNo.:MTi260617020-0501E2 Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE013 Ver./Rev.：A1 Page 6 of 6 Statement 1.Thisreportisinvalidwithoutthesealandsignatureofthelaboratory. 2.Thetestresultsofthisreportareonlyresponsibleforthesamplessubmitted.Client shallberesponsibleforrepresentativenessofthesampleandauthenticityofthe material. 3.Thereportshallnotbepartiallyreproducedwithoutthewrittenconsentofthe Laboratory. 4.Thisreportisinvalidiftransferred,alteredortamperedwithinanyformwithout authorization. 5.Theobservationsortestswithspecialmarkfalloutsidethescopeofaccreditation, andareonlyusedforpurposeofcommission,research,training,internalquality controletc. 6.Anyobjectiontothisreportshallbesubmittedtothelaboratorywithin15daysfrom thedateofreceiptofthereport. ******ENDOFREPORT******

Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 1 of 51 TestReport ReportNo.:MTi260617020-0501E1 Dateofissue:2026-08-14 Applicant:ChanghongResearchLabsInc. Product:DoorSensor Model(s):HDS-B105 FCCID:2BXYIHDSB105 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi260617020-0501E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 2 of 51 Tableofcontents 1GeneralDescription.......................................................................................................................4 1.1DescriptionoftheEUT.........................................................................................................4 1.2Descriptionoftestmodes.....................................................................................................4 1.3EnvironmentalConditions.....................................................................................................6 1.4Descriptionofsupportunits..................................................................................................6 1.5Measurementuncertainty.....................................................................................................6 2SummaryofTestResult................................................................................................................7 3TestFacilitiesandaccreditations................................................................................................8 3.1Testlaboratory......................................................................................................................8 4Listoftestequipment....................................................................................................................9 5EvaluationResults(Evaluation).................................................................................................11 5.1Antennarequirement..........................................................................................................11 6RadioSpectrumMatterTestResults(RF)................................................................................12 6.16dBBandwidth....................................................................................................................12 6.2MaximumConductedOutputPower..................................................................................14 6.3PowerSpectralDensity......................................................................................................15 6.4RFconductedspuriousemissionsandbandedgemeasurement....................................16 6.5Bandedgeemissions(Radiated).......................................................................................17 6.6Radiatedemissions(below1GHz).....................................................................................20 6.7Radiatedemissions(above1GHz)....................................................................................24 Photographsofthetestsetup...........................................................................................................29 PhotographsoftheEUT.....................................................................................................................30 AppendixA:DTSBandwidth.............................................................................................................32 AppendixB:Maximumconductedoutputpower...........................................................................35 AppendixC:Maximumpowerspectraldensity..............................................................................38 AppendixD:Bandedgemeasurements..........................................................................................41 AppendixE:ConductedSpuriousEmission...................................................................................42 AppendixF:DutyCycle......................................................................................................................48 TESTREPORT ReportNo.:MTi260617020-0501E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 3 of 51 TestResultCertification ApplicantChanghongResearchLabsInc. ApplicantAddress920HILLVIEWCOURT,SUITE195,MILPITAS,CA95035 ManufacturerSICHUANCHANGHONGNEONETTECHNOLOGIESCO.,LTD Manufacturer Address Room528,No.2Building,InnovationCenter,NewDistrictofScienceand TechnologyCity,Mianyang FactorySICHUANCHANGHONGNEONETTECHNOLOGIESCO.,LTD FactoryAddress G05FactoryPremises,ChanghongIntelligentDisplayTerminalIndustrial Park,38,XinpingAvenue,High-techDistrict,Mianyang621000,P.R.China Productdescription ProductnameDoorSensor TrademarkNeoNet ModelnameHDS-B105 SeriesModel(s)N/A Standards47CFRPart15.247 TestMethod KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+ErratatoC63.10a-2024 TestingInformation Dateoftest2026-07-21to2026-08-13 TestresultPass Preparedby:LetterLan Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi260617020-0501E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE038 Ver./Rev.：A1 Page 4 of 51 1GeneralDescription 1.1DescriptionoftheEUT Productname:DoorSensor Modelname:HDS-B105 SeriesModel(s):N/A Modeldifference:N/A Electricalrating:Battery:3VdcFrombuttonbattery Accessories:N/A Hardwareversion…

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2 instructions This report includes several equipment, test environment and test results for the electrical performance of the antenna, as well as structural drawings and inspection reports of the antenna.Below is a picture of the antenna。 3 Product specifications Electrical Specifications Frequency Range（MHz） 2400-2500 Gain（dBi） -0.1 电压驻波比 VSWR ≤2 输入阻抗 Input Impedance（Ω） 50 极化方式 Polarization Vertical 接头型号 Input connector type Sichuan Changhong NeoNet Technologies Co.,Ltd. Room 528, No. 2 Building, Innovation Center, New District of Science and Technology City, Mianyang 4 耐久性测试 1 盐雾试验 SAIT SPRAY TEST 盐水喷雾试验：依 GB1266-86 标准蒸馏水： 一次蒸馏PH6.5~7 喷雾量：1.4me80cm²/h 压缩空气压力： 1Kgf/ cm² 试验相对度：98° 温度：45°~47° 压力温度：35° 测试时间：24hr Brine spray test: distilled water according to GB1266-86 standard: single distillationPH6.5~7 Spray volume: 1.4me80cm ²/ H compressed air pressure: 1kgf / cm² Test Relativity: 98 ° Temperature: 45 ° ~ 47 ° Pressure temperature: 35 ° Test time: 24hr 所有规格变华 范围初始值 30% All characteristic range is 30% of the initial value 2 高温试验 HEAT TEST 在 85+2°C环境中放 96 小时，再放在正常环境中 30 分钟后进行测试 85+2°C for 96 hours, after keep in normal condition for 30mim the to test. 3 中温试验 HUMIDITY TEST 在 40+2°C 90-95%RH 环境中放 96 小时， 再放在 正常环境中 30 分钟后进行测试40+2°C 90-95%RH for 96hours, after keep in normal condition for 30mim the to test. 4 底温试验 COLD TEST 在-40+2°C 环境中放 96 小时，再置放正常环境中 30 分钟后进行测试 -40+2°C for 96hours, after keep in normal condition for 30mim the to test. 5 电气性能测试 Electrical performance test 5.1 测试设备 Test equipment and environment 5.2 天线回损与驻波Antenna Return Loss(RL) and SWR 5.3 天线无源数据 Antenna passive test data Test Point ID Freq. (MHz) Gain (dBi) Efficiency (%) 1 2400.0 -0.15 41.4% 2 2440.0 -0.1 46.5% 3 2500.0 -0.12 42.6% 天线方向图 6 Engineering drawings

Page1of3ReportNo.:MTi260617020-0501 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Photographsofthetestsetup Model:HDS-B105 6dBBandwidth MaximumConductedOutputPower PowerSpectralDensity RFconductedspuriousemissionsandbandedgemeasurement Page2of3ReportNo.:MTi260617020-0501 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Bandedgeemissions(Radiated) Radiatedemissions(above1GHz) Radiatedemissions(below1GHz) Page3of3ReportNo.:MTi26061…

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