2BUTM-DS31XWireless Sensor

Note:Pleasereadthisusermanualcarefully beforeinstallationanduse! DS310 WirelessSensor UserManual DHMS(HongKong)IntelligentTechnologyLimited ImplementationStandards: GB/T3836.1-2021 GB/T3836.4-2021 Q/3205DMS01001-2025 ImportantNotes: 1.Theproductisstrictlyprohibitedfrom beinginstalledinanenvironment containingflammableandexplosivegases. 2.Toavoiddangerousaccidents,the installationandfixationoftheproduct mustbecarriedoutinstrictaccordance withtheinstructionmanual. 3.Afterremovingthepackaging,check whethertheproductisdamaged. 1ProductOverview 1.1ProductIntroduction TheDS310sensorisawirelessvibrationand temperaturesensor,whichisusedforcondition monitoringofrotatingdynamicequipmentin industrialfields.Thiswirelesssensorispowered byabattery,cancollectvibration/temperature datainthreeaxialdirections,connectstothe gatewayviaBluetooth,anduploadsthemonitored datatothegateway. 2MainTechnicalParameters CategorySpecifications Communication Communic ation Protocol Bluetooth5.0 Vibration Acquisition Acquisition Type Three-axis Vibration Acquisition Vibration Frequency 6KHz@3dB Range16g Temperature Acquisition Range-20°Cto120°C Resolution0.1°C Working Environment Working Temperatur e -20°Cto80°C Working Humidity 5%to90%,non -condensing Housing Protection Level IP69 Size46 × 36 × 30mm Installation Method Adhesive Method 3ProductAppearance TopViewOverheadViewBottomView 4InstallationandOperation 4.1ConfirmationoftheNumberand LocationofMonitoringPoints OpentheDHMSCareAPP,clickontheadded targetmonitoringdevice,anddeterminethe numberofmonitoringpoints(i.e.,thenumberof sensors)andtheirlocations(i.e.,theinstallation positionsofthesensors)accordingtotheguidance ontheAPPpage. ScantheQRcodeon therighttodownload theAPP. Temperature measurementpoint NFCarea 4.2PlacingtheSensor Readthefollowinginstallationprecautions: 4.2.1Thesensorshouldbeinstalledclosetothe bearing(notetoavoidinstallingitatthefan outlet); 4.2.2Theinstallationpositionontheequipment casingmustbecleanandflat,withoutgrease,dust, andsoon; 4.2.3The"Y-axis"ofthesensorisparalleltothe axialdirectionoftheequipment,andthe"Z-axis" ofthesensorisperpendiculartotheaxial directionoftheequipment. ReferenceforSensorInstallationDiagrams 4.2.4Thecommunicationsignalbetweenthe sensorandthegatewayisoptimalwhenthetop surfaceofthesensor(thesidewiththeLOGO) facesthegateway. CorrectExampleDiagramIncorrectExampleDiagram 4.3InstallationandFixation 4.3.1Afterdeterminingtheinstallationposition anddirection,applyglue(Loctite454is recommended)evenlytothebottomcase.Ensure thegluelayerisnottoothick(lessthan2mm). Applythegluetotheareamarkedredinthe figurebelow,coveringapproximately60%ofthe bottomsurface. 4.3.2Afterapplyingtheglue,pressthesensor ontothedesignatedposition.Releaseyourhand afterthegluehasinitiallyset(theinitialsetting timevariesdependingonthetypeofglue.For example,Loctite454gluetakesapproximately Front (logoside) Back 5-20seconds). 4.4MonitoringPointBinding OpentheDHMSCareAPP,ThenfollowtheAPP promptstocompletethebindingofthesensor. Note:Afterbinding,thesensorwill automaticallysearchfornearbygatewaysto connecttothenetwork,andnoother operationsarerequired. 5JudgmentofBluetoothSignal StrengthattheSensorInstallation Position ThemobileAPPallowscheckingtheBluetooth signalstrengthreportedbythesensortoevaluate thequalityoftheBluetoothsignalatthe installationlocation. SignalStrength Judgmen t Solutions >-60dBmStrong- Thered-markedposition inthediagramisthe NFCsensingarea. From-60dBm to-75dBm Medium- <-75dBmPoor 1.Changethe installationposition ofthesensor. 2.Adjustthe directionofthe sensor'stopsurface. 6FaultAnalysisand Troubleshooting Iftheabovemeasuresfailtoresolvetheissue, pleasecontactthemanufactureroranauthorized dealerforassistance! Phenomeno n PossibleFault Causes Solutions Thesensor shows offline Thereisno Bluetoothsignal orthesignalis pooratthe installationpoint. Adjustthe positionsofthe gateway/ sensor. Therearemetal obstructions betweenthe sensorandthe gateway. Removemetal obstructions. The collected datais obviously incorrect Thesensoris looseorhas fallenoff. Re-fixthe sensoronthe equipment. 7 Maintenance and Care After-sales service for the product must be provided by the manufacturer or authorized distributor; Non-professional maintenance personnel are strictly prohibited from disassembling the internal components. Unauthorized disassembly will invalidate the warranty; BLE(1 Mbps/2 Mpbs):2402-2480 MHz BLE(1 Mbps): 14.87 dBm BLE(2 Mbps): 14.82 dBm FCC Statement Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 19H Maxgrand Plaza, No.3 Tai Yau Street, San Po Kong, Kowloon, Hong Kong SAR, China Contact Number: 0852-6213-9846 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 …

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Note:Pleasereadthisusermanualcarefully beforeinstallationanduse! DS311 WirelessSensor UserManual DHMS(HongKong)IntelligentTechnologyLimited ImplementationStandards: GB/T3836.1-2021 GB/T3836.4-2021 Q/3205DMS01001-2025 ImportantNotes: 1.Theproductisstrictlyprohibitedfrom beinginstalledinanenvironment containingflammableandexplosivegases. 2.Toavoiddangerousaccidents,the installationandfixationoftheproduct mustbecarriedoutinstrictaccordance withtheinstructionmanual. 3.Afterremovingthepackaging,check whethertheproductisdamaged. 1ProductOverview 1.1ProductIntroduction TheDS311sensorisawirelessvibrationand temperaturesensor,whichisusedforcondition monitoringofrotatingdynamicequipmentin industrialfields.Thiswirelesssensorispowered byabattery,cancollectvibration/temperature datainthreeaxialdirections,connectstothe gatewayviaBluetooth,anduploadsthemonitored datatothegateway. 2MainTechnicalParameters CategorySpecifications Communication Communic ation Protocol Bluetooth5.0 Vibration Acquisition Acquisition Type Three-axis Vibration Acquisition Vibration Frequency 6KHz@3dB Range16g Temperature Acquisition Range-20°Cto120°C Resolution0.1°C Working Environment Working Temperatur e -20°Cto80°C Working Humidity 5%to90%,non -condensing Housing Protection Level IP69 Size46 × 36 × 30mm Installation Method Adhesive Method 3ProductAppearance TopViewOverheadViewBottomView 4InstallationandOperation 4.1ConfirmationoftheNumberand LocationofMonitoringPoints OpentheDHMSCareAPP,clickontheadded targetmonitoringdevice,anddeterminethe numberofmonitoringpoints(i.e.,thenumberof sensors)andtheirlocations(i.e.,theinstallation positionsofthesensors)accordingtotheguidance ontheAPPpage. ScantheQRcodeon therighttodownload theAPP. Temperature measurementpoint NFCarea 4.2PlacingtheSensor Readthefollowinginstallationprecautions: 4.2.1Thesensorshouldbeinstalledclosetothe bearing(notetoavoidinstallingitatthefan outlet); 4.2.2Theinstallationpositionontheequipment casingmustbecleanandflat,withoutgrease,dust, andsoon; 4.2.3The"Y-axis"ofthesensorisparalleltothe axialdirectionoftheequipment,andthe"Z-axis" ofthesensorisperpendiculartotheaxial directionoftheequipment. ReferenceforSensorInstallationDiagrams 4.2.4Thecommunicationsignalbetweenthe sensorandthegatewayisoptimalwhenthetop surfaceofthesensor(thesidewiththeLOGO) facesthegateway. CorrectExampleDiagramIncorrectExampleDiagram 4.3InstallationandFixation 4.3.1Afterdeterminingtheinstallationposition anddirection,applyglue(Loctite454is recommended)evenlytothebottomcase.Ensure thegluelayerisnottoothick(lessthan2mm). Applythegluetotheareamarkedredinthe figurebelow,coveringapproximately60%ofthe bottomsurface. 4.3.2Afterapplyingtheglue,pressthesensor ontothedesignatedposition.Releaseyourhand afterthegluehasinitiallyset(theinitialsetting timevariesdependingonthetypeofglue.For example,Loctite454gluetakesapproximately 5-20seconds). Front (logoside) Back 4.3.3Aftertheglueisfixed,connecttheincluded antennatotheantennainterfaceonthesideofthe sensor. 4.3.4Aftertheantennaistightened,usethe includeddouble-sidedtapetofixtheantennabase (thebasehasabuilt-inmagnet),andusethefixing cliptoorganizetheantennaextensioncable. Double-sidedtapeFixingclip 4.4MonitoringPointBinding OpentheDHMSCareAPP,ThenfollowtheAPP promptstocompletethebindingofthesensor. Thered-markedposition inthediagramisthe NFCsensingarea. Note:Afterbinding,thesensorwill automaticallysearchfornearbygatewaysto connecttothenetwork,andnoother operationsarerequired. 5JudgmentofBluetoothSignal StrengthattheSensorInstallation Position ThemobileAPPallowscheckingtheBluetooth signalstrengthreportedbythesensortoevaluate thequalityoftheBluetoothsignalatthe installationlocation. SignalStrengthJudgmentSolutions >-60dBmStrong- From-60dBm to-75dBm Medium- <-75dBmPoor 1.Changethe installation positionofthe sensor. 2.Adjustthe directionofthe sensor'stop surface. 6FaultAnalysisand Troubleshooting Phenomeno n PossibleFault Causes Solutions If the above measuresfail to resolvethe issue, pleasecontactthe manufactureror an authorized dealer for assistance! 7 Maintenanceand Care After-sales service for the product must be provided by the manufacturer or authorized distributor; Non-professional maintenance personnel are strictly prohibited from disassembling the internal components. Unauthorized disassembly will invalidate the warranty; BLE(1 Mbps/2 Mpbs):2402-2480 MHz BLE(1 Mbps): 14.87 dBm BLE(2 Mbps): 14.82 dBm The sensor shows offline There is no Bluetoothsignal or the signal is poor at the installationpoint. Adjustthe positionsof the gateway/ sensor. There are metal obstructions betweenthe sensor and the gateway. Removemetal obstructions. The collected data is obviously incorrect The sensor is loose or has fallen off. Re-fix the sensor on the equipment. FCC Statement Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 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…

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Company: Suzhou DHMS Information Technology Co.,Ltd. Add: Building 11, Creative Industry Park, SuZhou, China Tel: +86-512-88169535 Fax: N/A E-mail: [email protected] Attestation Letter Date: 2026-04-10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911 (d) (5) (i) (ii) Filing FCC ID: 2BUTM-DS31X Suzhou DHMS Information 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. Suzhou DHMS Information 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. Suzhou DHMS Information Technology Co.,Ltd. (“the applicant”) certifies that the equipment does not use Kaspersky's software information. Sincerely, Signature: Contact Person: Ting Wei Title: manager

U.S. AGENT LETTER OF ATTESTATION Date: 2026-04-10 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: 2BUTM-DS31X Suzhou DHMS Information Technology Co.,Ltd. (“the Applicant”) certifies that, as of the date of the filing of the application, Iconsigh is our designated U.S. agent for service of process for the above referenced FCC ID. Suzhou DHMS Information Technology Co.,Ltd. (“the Applicant”) 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 accepts, as o f 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 Address: 2310 Homestead Road, Suite C1, Los Altos, CA 94024, United States FRN: 0033398652 Tel.: +1 (4 08) 320-9867 Email: [email protected] Signed by (printed name): Benjamin Kaur Signature: Applicant: Suzhou DHMS Information Technology Co.,Ltd. Add: Building 11, Creative Industry Park, SuZhou, China FRN: 0037981818 Tel: +86-512-88169535 Email: [email protected] Signed by (printed name): Ting Wei Signature:

QA-FR-170-B Company: Suzhou DHMS Information Technology Co.,Ltd. Add: Building 11, Creative Industry Park, SuZhou, China Tel: +86-512-88169535 Fax: N/A E-mail: [email protected] FCC Authorization Date: 2026-04-10 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Suzhou DHMS Information Technology Co.,Ltd., hereby authorizes Bay Area Compliance Laboratories Corp. (Kunshan) 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. (Kunshan) 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, Signature: Print Name: Ting Wei Title: manager

QA-FR-171-A Company: Suzhou DHMS Information Technology Co.,Ltd. Add: Building 11, Creative Industry Park, SuZhou, China Tel: +86-512-88169535 Fax: N/A E-mail: [email protected] FCC Confidential Authorization Date: 2026-04-10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2BUTM-DS31X In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Suzhou DHMS Information Technology Co.,Ltd. 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, Signature: Printer Name: Ting Wei Title: manager

Company: Suzhou DHMS Information Technology Co.,Ltd. Add: Building 11, Creative Industry Park, SuZhou, China Tel: +86-512-88169535 Fax: N/A E-mail: [email protected] DECLARATION Date: 2026-04-10 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, Suzhou DHMS Information Technology Co.,Ltd. hereby declare that product name: Wireless Sensor (FCC ID: 2BUTM-DS31X, model name: DS310, DS311) are electrically identical with the PCB design, and electromagnetic compatibility characteristics. The differences of them are as follows: The difference between DS310 and DS311 is only in the antenna. DS310 has an internal antenna while DS311 has an external one. Please contact me if there is need for any additional clarification or information. Best Regards, Signature: Printed Name: Ting Wei Title: Manager

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA251208003 1 / 3 EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS DS310 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA251208003 2 / 3 DS311 Antenna Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA251208003 3 / 3

Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA251208003 1 / 6 EXHIBIT B - EUT INTERNAL PHOTOGRAPHS DS310 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA251208003 2 / 6 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA251208003 3 / 6 Antenna Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA251208003 4 / 6 DS311 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA251208003 5 / 6 Bay Area Compliance Laboratories Corp. (Kunshan) Project No.: RSHA251208003 6 / 6

Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 14 of 86 FCC §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart §2.1091 and subpart §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f²) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Calculated Data: Mode Frequency Range (MHz) Maximuim Antenna Gain ★Tune-up Output Power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric) (dBm) (mW) BLE 2402-2480 -3.0 0.5 15.0 31.62 20 0.0031 1.0 Note: 1. For the above tune up power were declared by the manufacturer. Result: The device meet FCC MPE at 20 cm distance.

Page 1 of 86 FCC PART 15.247 TEST REPORT For Suzhou DHMS Information Technology Co.,Ltd. Building 11, Creative Industry Park, SuZhou, China FCC ID: 2BUTM-DS31X Report Type: Original Report Product Name: Wireless Sensor Report Number: RSHA251208003-00B Report Date: 2026-03-31 Reviewed By: Bard Liu Approved By: Kyle Xu Test Laboratory: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road, Kunshan, Jiangsu Province, China Tel: +86-512-86175000 Fax: +86-512-88934268 www.baclcorp.com.cn Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Kunshan). 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. Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 2 of 86 TABLE OF CONTENTS REPORT REVISION HISTORY................................................................................................................................. 4 GENERAL INFORMATION ....................................................................................................................................... 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 5 OBJECTIVE ................................................................................................................................................................... 5 TEST METHODOLOGY .................................................................................................................................................. 5 MEASUREMENT UNCERTAINTY .................................................................................................................................... 6 TEST FACILITY ............................................................................................................................................................. 6 SYSTEM TEST CONFIGURATION .......................................................................................................................... 7 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 7 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 7 EUT EXERCISE SOFTWARE .......................................................................................................................................... 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 9 EXTERNAL I/O CABLE.................................................................................................................................................. 9 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 9 SUMMARY OF TEST RESULTS ............................................................................................................................. 11 TEST EQUIPMENT LIST ......................................................................................................................................... 12 FCC §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) ....................................................... 14 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 15 APPLICABLE STANDARD ............................................................................................................................................ 15 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 15 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS............................................................................. 16 APPLICABLE STANDARD ............................................................................................................................................ 16 TEST SYSTEM SETUP .................................................................................................................................................. 16 EMI TEST RECEIVER SETUP ....................................................................................................................................... 17 TEST PROCEDURE ...................................................................................................................................................... 17 TEST RESULTS SUMMARY .......................................................................................................................................... 18 TEST DATA: SEE APPENDIX ....................................................................................................................................... 18 FCC §15.247(A) (2) - 6 DB EMISSION BANDWIDTH ........................................................................................... 19 APPLICABLE STANDARD ............................................................................................................................................ 19 TEST PROCEDURE ...................................................................................................................................................... 19 TEST DATA: SEE APPENDIX ....................................................................................................................................... 19 FCC §15.247(B) (3) - MAXIMUM CONDUCTED OUTPUT POWER ................................................................. 2…

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Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 74 of 86 BLE (1 Mbps) Low Channel Middle Channel BLE (2 Mbps) High Channel Low Channel Middle Channel High Channel Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 75 of 86 MAXIMUM CONDUCTED OUTPUT POWER Environmental Conditions & Test Information Test Date: 2026-03-06 Temperature: 21.8°C Relative Humidity: 52 % ATM Pressure: 101.4 kPa Test Result: Pass Test Engineer: Neil Zhou Test Result: Compliant. EUT operation mode: Transmitting Mode Channel Frequency (MHz) Max Conducted Peak Output Power (dBm) Limit (dBm) Result BLE (1 Mbps) Low 2402 14.87 ≤30 Pass Middle 2440 14.54 ≤30 Pass High 2476 14.42 ≤30 Pass 2478 13.47 ≤30 Pass 2480 9.51 ≤30 Pass BLE (2 Mbps) Low 2402 14.82 ≤30 Pass Middle 2440 14.33 ≤30 Pass High 2480 14.27 ≤30 Pass Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 76 of 86 BLE (1 Mbps) Low Channel Middle Channel High Channel: 2476MHz High Channel: 2478MHz High Channel: 2480MHz Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 77 of 86 BLE (2 Mbps) Low Channel Middle Channel High Channel Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 78 of 86 100 KHZ BANDWIDTH OF FREQUENCY BAND EDGE Environmental Conditions & Test Information Test Date: 2026-03-06 Temperature: 21.8°C Relative Humidity: 52 % ATM Pressure: 101.4 kPa Test Engineer: Neil Zhou EUT operation mode: Transmitting Test Result: Compliant Mode Channel Frequency (MHz) Result (dB) Limit (dB) BLE (1 Mbps) Low 2402 51.16 20 High 2476 46.02 2478 45.25 2480 52.89 BLE (2 Mbps) Low 2402 31.30 20 High 2480 52.87 Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 79 of 86 BLE (1 Mbps) Left Side Right Side: 2476MHz Right Side: 2478MHz Right Side: 2480MHz BLE (2 Mbps) Left Side Right Side Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 80 of 86 CONDUCTED SPURIOUS EMISSION Environmental Conditions & Test Information Test Date: 2026-03-06 Temperature: 21.8°C Relative Humidity: 52 % ATM Pressure: 101.4 kPa Test Engineer: Neil Zhou Mode Channel Frequency (MHz) Result (dB) Limit (dB) BLE (1 Mbps) Low 2402 54.21 20 Middle 2440 53.11 20 High 2480 48.75 20 BLE (2 Mbps) Low 2402 53.61 20 Middle 2440 53.51 20 High 2480 50.98 20 Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 81 of 86 BLE (1 Mbps) Low Channel Middle Channel BLE (2 Mbps) High Channel Low Channel Middle Channel High Channel Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 82 of 86 POWER SPECTRAL DENSITY Environmental Conditions & Test Information Test Date: 2026-03-06 Temperature: 21.8°C Relative Humidity: 52 % ATM Pressure: 101.4 kPa Test Engineer: Neil Zhou Test Result: Compliant. EUT operation mode: Transmitting Mode Channel Frequency (MHz) PSD (dBm/3kHz) Limit (dBm/3kHz) Result BLE (1 Mbps) Low 2402 -1.49 ≤8 Pass Middle 2440 -1.76 ≤8 Pass High 2480 -6.56 ≤8 Pass BLE (2 Mbps) Low 2402 -2.99 ≤8 Pass Middle 2440 -3.43 ≤8 Pass High 2480 -3.63 ≤8 Pass Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 83 of 86 BLE (1 Mbps) Low Channel Middle Channel BLE (2 Mbps) High Channel Low Channel Middle Channel High Channel Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 84 of 86 EUT PHOTOGRAPHS Please refer to the attachment EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS and EXHIBIT B - EUT INTERNAL PHOTOGRAPHS. Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 85 of 86 TEST SETUP PHOTOGRAPHS Please refer to the attachment EXHIBIT C - TEST SETUP PHOTOGRAPHS. Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHA251208003-00B Page 86 of 86 Declarations 1. The laboratory is not responsible for the authenticity of any information provided by the applicant. Information f…

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