2BV4P-MER-10XMicro Environmental Recorder

Micro Environmental Recorder User’s Guide Device Overview MER serves two important functions: • as a dynamic data logger • as a real-time static data readout device I. As a dynamic data logger, the device simultaneously records all the environmental data channels from its internal DC accelerometers, pressure transducer, humidity sensor, and temperature sensor. The device can be configured via the companion MER mobile app, allowing for control over zero point, sampling rate, recording duration, and file name, among others. Time history of all the sensor outputs is stored onto the internal memory of the device and can be downloaded to a computer for subsequent data processing/reduction. There are four ways to start the data recording: 1. Remote Start Mode 2. Threshold Start Mode 3. Scheduled Start Mode 4. Manual Start Mode (does not require the MER Mobile App to function) Data files in the internal memory can be downloaded onto a desktop or laptop computer by using the supplied USB cable or other compatible data transfer cables. See User’s Manual for data download instructions. II. As a real-time static data readout device, the user can instantly see the data readout of the following measurement parameters from the MER Mobile App under TOOLS: • Inclination (level indication) • Static Acceleration in X Axis • Static Acceleration in Y Axis • Static Acceleration in Z Axis • Ambient Temperature • Barometric Pressure • Relative Humidity Battery Charging and Runtime To charge the MER, connect the device to a power source using the supplied USB cable (or equivalent). The recommended current rating for the charger is 1.0 A. Lower current can be used but will result in a longer charging time. A red LED will turn on while a green LED will blink slowly to indicate the device is being charged. The green LED will eventually stop blinking due to inactivity and the device goes into sleep mode, leaving the red LED on (to indicate charging state). When the red LED turns off, the battery is fully charged. Unplugging the MER from a power source triggers the device into awake mode, indicating by a slow green blink. If the device remains inactive for 90 seconds, it will enter sleep mode and the LED stops blinking. The maximum recording duration when the battery is fully charged is about 5 hours. To extend runtime, an external battery source may be connected to the MER using the supplied USB cable. See the User’s Manual for more information on suitable portable phone chargers/power banks. Data Download & Management When connected to a PC using the supplied USB cable and DataView software (available on our website), user can download the recorded data (.bin) files stored in the internal memory for viewing/inspection and for further analysis. Once the files have been saved and reviewed, they can be deleted from the MER internal memory while it is connected to the PC. Note that whenever the USB cable linking the MER to the PC is disconnected, the disconnection introduces at that instance an unintended error message back to the MER, causing its Bluetooth communication to freeze temporarily, and therefore will not respond to new commands. Normal operation will resume automatically after 90 seconds. MER Mobile App Operation Launch the MER Mobile App. Tap the SEARCH button and make sure the device(s) are nearby and awake (push the center button on top of the device one time will put it into awake mode). The App automatically detects compatible devices and displays their ID’s on a pop- up screen. Tap the desired device ID to connect. Once the communication is established, connected device’s information will be displayed on top of the STATUS page. The MER Mobile App can only connect to configure one device at a time. To connect to another device, tap SEARCH again. If it failed to find other device ID’s, exit the App on your phone and relaunch the App again. Note that with some brands of mobile phone, the connection between the MER and the App will be lost once the phone goes to sleep. Relaunch the App and reconnect again. When the connection is lost, the last configuration will remain in the MER until they are changed by the user. STATUS Page Once a device is paired with the MER Mobile App, the user can query the Battery level, internal Memory usage status, and the following Device Info: • Device Label: The label assigned to this device. Device label can be changed on the TOOLS page. • Serial #: Serial number of the selected device. • Firmware: Current firmware version When multiple MER’s are in used, it may be useful to visually verify the location of the selected device. Tap Visual Identification and the green LED on top of the device will blink five times in quick succession for easy identification. Tap the RELOAD button refreshes the information stored in the paired device’s memory. When connection to the device is lost, it is best to quit/exit the App to clear the registers and relaunch it from your phone then tap SEARCH to reconnect with the specified device. SETUP Page Under the SETUP page, the user can confirm time synchronization with the phone, select language, choose the appropriate sampling rate in the DAQ, and most importantly, select the desired recording mode. Under Time Synchronized, the time the device last synchronized with your phone will be displayed in YYYY-MM-DD-HH-MM-SS format. Clock synchronization occurs automatically when a selected device is paired with the App. Tap Language and a dropdown menu will appear. Select the desired language and the selection will be displayed. Tap DAQ Sampling Rate to select the desired sampling rate best suit for your application. For shock and vibration applications, it is recommended to select 16kHz or 20kHz to prevent aliasing problem. Tap the RELOAD button to set the selected sampling rate. Sampling rates for barometric pressure, temperature, relative humidity, tilt are fixed internally and cannot be changed. To select one of the available recording modes, tap …

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1/1 SENSMETRIXCOMPANYLIMITED USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: Companyname:HOPEKCORPORATIONI NC FRN:0034562900 ContactName:YangyangXu Address:16755CoyoteBushDrUnit84,SanDiego,CA92127UnitedStates TelephoneNo:561-875-9826 Email:[email protected] Applicant: Companyname:SENSMETRIXCOMPANYLIMITED GranteeCode:2BV4P FCCI D:2BV4P-MER-10X FRN:0038418794 ContactName:AnthonyChu Address:Unit804-805,8/FLaurelsI ndustrialCentreNo.32TaiYauStreetSanPo Kong,KowloonHongKong TelephoneNo:+85223415321 FaxNo:+8527978610 Email:[email protected] SENSMETRIXCOMPANYLIMITEDcertifiest hat,asoft hedateoft hisf ilingoft heapplication witht heTCB,[ HOPEKCORPORATIONI NC]i sourdesignatedUSagentf orserviceofprocess fort heabover eferencedFCCI D.SENSMETRIXCOMPANYLIMITEDacceptst omaintainan agentf ornol esst hanoneyearaftert hegranteehast erminatedallmarketingandi mportationor thec onclusiono fa nyc ommissionr elatedp roceedingi nvolvinge quipment.[ HOPEK CORPORATIONI NC]accepts,asoft hedateoft hef ilingoft heapplication,t heobligationoft he designatedUSagentf orserviceofprocessf ortheabovereferenceFCCI D. TheUSAgentf orServiceofProcessi sawareofandagreest ocomplywitht her equirements outlinedi ntheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. TheApplicanti sawareofandagreest ocomplywitht her equirementsoutlinedi nt heFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2026-06-04 Applicant’sName:AnthonyChuUSAgent’sName:YangyangXu Title:DirectorTitle: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 SENSMETRIX COMPANY LIMITED 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: SENSMETRIX COMPANY LIMITED Grantee code: 2BV4P FCC ID: 2BV4P-MER-10X FRN: 0038418794 Contact Name: Anthony Chu Address: Unit 804-805, 8/F Laurels Industrial Centre No. 32 Tai Yau Street San Po Kong, Kowloon Hong Kong Telephone No: +852 23415321 Fax No: +852 7978610 Email: [email protected] i. [SENSMETRIX COMPANY LIMITED] (“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. [SENSMETRIX COMPANY LIMITED] (“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. [SENSMETRIX COMPANY LIMITED] (“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: 2026/6/3 Applicant’s Name: Anthony Chu Title: Director 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

SENSMETRIX COMPANY LIMITED Code 00018768 Ed. 1 Device Micro Environmental Recorder Company name SENSMETRIX COMPANY LIMITED Grantee code 2BV4P FCC ID 2BV4P-MER-10X FRN 0038418794 Contact name Anthony Chu Address Unit 804-805, 8/F Laurels Industrial Centre No. 32 Tai Yau Street San Po Kong, Kowloon Hong Kong Telephone number +852 23415321 E-mail [email protected] Chipset/module information M484SIDAE2U Operating System (if applicable) N/A Storage Capacity (hard drive or other permanent memory storage, if applicable) N/A 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 # 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 3 # 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 # 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; N/A 4 ALT Linux Workstaton / Workstation K / Server / Education 8 or later; ROSA Linux Workstation / Server 12 or later ; RED OS 7.3 and later ; 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 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: Anthony Chu Date: 2026/6/3 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: 2BV4P-MER-10X 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 : https://www.coloradosos.gov/biz/BusinessEntityCriteriaExt.do TCB CALL página 2 TCB CALL página 3 TCB CALL página 4 TCB CALL página 5 TCB CALL página 6 TCB CALL página 7 ► 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" >

C5266091_X10_Ed.2 1/1 SENSMETRIX COMPANY LIMITED Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: June 3, 2026 Subject: Request for Confidentiality FCC ID: 2BV4P-MER-10X 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 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. Sincerely, C5266091_X10_Ed.2 1/1 Signature: June 3, 2026 Name Anthony Chu Position Director Company Name SENSMETRIX COMPANY LIMITED Address Unit 804-805, 8/F Laurels Industrial Centre No. 32 Tai Yau Street San Po Kong, Kowloon Hong Kong Tel +852 23415321 Fax +852 7978610 Email [email protected]

C5266091_X8_Ed.1 1/1 Letter of Authorization SENSMETRIX COMPANY LIMITED Company: SENSMETRIX COMPANY LIMITED Address: Unit 804-805, 8/F Laurels Industrial Centre No. 32 Tai Yau Street San Po Kong, Kowloon Hong Kong Product Name: Micro Environmental Recorder Model Number: MER-10X FCC Identifier: 2BV4P-MER-10X 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: Anthony Chu Date: 2026-06-03 Title: Director Signature of applicant:

Page 1 of 5 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix II external photos FCC ID: 2BV4P-MER-10X Page 2 of 5 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 3 of 5 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 4 of 5 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 5 of 5 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China ------End------

Label and Location Material: Silk-screen Font color: White Size: L: 2cm*W: 0.6cm Label and Location W FCC ID: 2BV4P-MER-10X Model No.: MER-10X L

Page 1 of 4 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix III internal photos FCC ID: 2BV4P-MER-10X Page 2 of 4 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 3 of 4 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China BT ANT Page 4 of 4 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China ------End------

Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China RF Exposure evaluation FCC ID: 2BV4P-MER-10X According to 447498 D01 General RF Exposure Guidance v06 The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison According to FCC Part 2.1093, this device is classified as a Portable Device. A portable device is defined as a transmitting device designed to be used so that the radiating structure(s) of the device is/are within 20 centimeters of the body of the user. BLE: Worse case output power is as below: [2480MHz: 0.82dBm] Maximum output power is 0.82dBm (1.21mW). (1.21mW /5mm)·[√2.480(GHz)]= 0.38 <3.0 for 1-g SAR. Then SAR evaluation is not required.

Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Page 1 of 56 Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China FCC TEST REPORT FCC ID: :2BV4P-MER-10X On Behalf of SENSMETRIX COMPANY LIMITED Micro Environmental Recorder Model No.: MER-10X Prepared for : SENSMETRIX COMPANY LIMITED Address : Unit 804-805, 8/F Laurels Industrial Centre No. 32 Tai Yau Street San Po Kong, Kowloon Hong Kong Prepared By : Shenzhen PSI Testing Co., Ltd. Address : 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Report Number : psi2604250-C01-R04 Date of Receipt : May 7, 2026 Date of Test : May 7, 2026- May 19, 2026 Date of Report : May 19, 2026 Version Number : V0 Page 2 of 56 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China TABLE OF CONTENTS Description Page 1. Summary Of Standards And Results -------------------------------------------------------- 6 1.1. Description of Standards and Results --------------------------------------------------- 6 2. General Information ------------------------------------------------------------------------------- 7 2.1. Description of Device (EUT) -------------------------------------------------------------- 7 2.2. Accessories of Device (EUT) ------------------------------------------------------------- 8 2.3. Tested Supporting System Details ------------------------------------------------------- 8 2.4. Block Diagram of Connection Between EUT and Simulators --------------------- 8 2.5. Test Mode Description ---------------------------------------------------------------------- 9 2.6. Software test version and power setting information -------------------------------- 9 2.7. Test Conditions ----------------------------------------------------------------------------- 10 2.8. Test Facility ---------------------------------------------------------------------------------- 10 2.9. Measurement Uncertainty --------------------------------------------------------------- 10 2.10. Test Equipment List ----------------------------------------------------------------------- 11 3. Spurious Emission ------------------------------------------------------------------------------ 12 3.1. Test Limits ----------------------------------------------------------------------------------- 12 3.2. Block Diagram of Test setup ------------------------------------------------------------ 13 3.3. Test Procedure ----------------------------------------------------------------------------- 14 3.4. Test Results --------------------------------------------------------------------------------- 15 4. Power Line Conducted Emission ----------------------------------------------------------- 22 4.1. Test Limits ----------------------------------------------------------------------------------- 22 4.2. Test Procedure ----------------------------------------------------------------------------- 22 4.3. Test Setup ----------------------------------------------------------------------------------- 22 4.4. Test Results --------------------------------------------------------------------------------- 23 5. Out-of-band Emissions ------------------------------------------------------------------------ 26 5.1. Test Limits ----------------------------------------------------------------------------------- 26 5.2. Test Procedure ----------------------------------------------------------------------------- 26 5.3. Test Setup ----------------------------------------------------------------------------------- 26 5.4. Test Results --------------------------------------------------------------------------------- 26 6. Conducted Maximum Output Power ------------------------------------------------------- 37 6.1. Test limits ------------------------------------------------------------------------------------ 37 6.2. Test Procedure ----------------------------------------------------------------------------- 37 6.3. Test Setup ----------------------------------------------------------------------------------- 37 6.4. Test Results --------------------------------------------------------------------------------- 37 7. Peak Power Spectral Density ---------------------------------------------------------------- 41 7.1. Test limits ------------------------------------------------------------------------------------ 41 7.2. Test Procedure ----------------------------------------------------------------------------- 41 7.3. Test Setup ----------------------------------------------------------------------------------- 41 7.4. Test Results --------------------------------------------------------------------------------- 41 8. Bandwidth ------------------------------------------------------------------------------------------ 45 8.1. Test limits ------------------------------------------------------------------------------------ 45 8.2. Test Procedure ----------------------------------------------------------------------------- 45 8.3. Test Setup ----------------------------------------------------------------------------------- 45 8.4. Test Results --------------------------------------------------------------------------------- 45 Page 3 of 56 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China 9. Band Edge Test ----------------------------------------------------------------------------------- 52 9.1. Test Limit-----------------------------------------------------------------…

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RF CRAZY 深圳市智汉科技有限公司 ShenZhen RF Crazy Technology Co.,Ltd 天线规格承认书 Antenna Specification for Approval Product Name： PCB Antenna Write By： Damon Cui Issued Date: 2022-12-20 4th Floor, Building C2, Hengfeng Industrial City, No. 739, Zhoushi Road, Hezhou Community, Hangcheng Sub-district, Bao 'an District, Shenzhen City RF CRAZY 1、The antenna size RF CRAZY 2、Product Specification A. Electrical Characteristics Frequency 2400MHz ~2500MHz VSWR 2400MHz ~2500MHz <2.0 Efficiency >50% Impedance 50 Ohm Polarization Line Gain 2dBi @ 2400MHz ~2500MHz B. Material & Mechanical Characteristics RF CRAZY 3、 Test Equipment & Conditions 1． Network Analyzers : Agilent 8753D 5071B 2． Communications Test Set: Agilent E5515C 3． 3D Chamber Test System RF CRAZY S11 Gain： RF CRAZY Effciency： RF CRAZY Radiation Pattern: RF CRAZY RF CRAZY

Page 1 of 2 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix I Test Setup Photo FCC ID: :2BV4P-RECORDER Spurious Radiation Emissions Test (<1G) Spurious Radiation Emissions Test (＞1G) Page 2 of 2 Report No.: psi2604250-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Conducted emission Test RF ------End------