UU3FCWSL05LoRaWAN wireless communication model

Friendcom LoRaWAN End Node Module Product Manual Version：V1.0 Applicability Table Product WSL05-A0 I Copyright Statement All rights reserved © Shenzhen Friendcom Technology Co., Ltd., 2019. Shenzhen Friendcom Technology Co., Ltd. reserves all rights. Without the written consent of Shenzhen Friendcom Technology Co., Ltd., no organization or individual may excerpt or copy any part or all of the contents of this document, or distribute it in any form. is a trademark owned by Shenzhen Friendcom Technology Co., Ltd. Other trademarks mentioned in this document are the property of their respective owners. Note The product corresponding to this document is Wi-SUN router node module WSN27-915R. The intended users of this document are system engineers, development engineers, and testing engineers. This manual provides support for customer product design. Customers must design and debug product software in accordance with the specifications and processes in this document. Friendcom is not responsible for any personal injury or property damage caused by improper operation of the customer. Due to product version upgrades or other reasons, the content of this document may be updated periodically without prior notice. Unless otherwise agreed upon, all statements, information, and suggestions in this document do not constitute any express or implied warranty. Shenzhen Friendcom Technology Co., Ltd. provides customers with comprehensive technical support. For any inquiries, please contact your account manager directly or contact Shenzhen Friendcom Technology Co., Ltd. through the following information. Address：3rd Floor, Building 6, Guangqian Industrial Park, 3rd Longzhu Road, Longguang Community, Taoyuan Street, Nanshan District, Shenzhen Post code：518108 Website：http://www.friendcom.com Customer Service Tel：0755-86026600 Customer Service Fax：0755-86026300 Customer Service Email：[email protected] Shenzhen Friendcom Technology Co.,Ltd. Document history Document title Friendcom WSL05-A0 LoRaWAN end node module product manual Document history Version Prepared by Date Modified content (terms) V1.0 Xiao Kunlun 2023-07-29 First version of new module description Notice Due to product version upgrades or other reasons, the content of this document will be updated from time to time. Unless otherwise agreed upon, this document serves as a user guide only, and all statements, information and suggestions in this document do not constitute any express or implied warranty. Shenzhen Friendcom Technology Co.,Ltd. Content 1. Overview ............................................................................................................................................................ 1 1.1 Product introduction ............................................................................................................................... 1 1.2 Main features........................................................................................................................................... 2 2. Technical Specifications ..................................................................................................................................... 3 2.1 Absolute Maximum Ratings ..................................................................................................................... 3 2.2 Radio frequency characteristics ............................................................................................................... 3 2.3 Power supply characteristics ................................................................................................................... 4 2.4 GPIO characteristics ................................................................................................................................. 6 2.5 Communication interface characteristics ................................................................................................ 6 2.6 General specifications .............................................................................................................................. 7 3. Hardware ........................................................................................................................................................... 8 3.1 Pin connection diagram ........................................................................................................................... 8 3.2 Pin description ......................................................................................................................................... 9 3.3 Circuit design description ...................................................................................................................... 10 3.3.1 Power supply design ................................................................................................................... 10 3.3.2 Circuit board design .................................................................................................................... 10 3.3.3 Recommended external pin connections ................................................................................... 10 3.3.4 Program burning port and reset pin ............................................................................................ 11 4. Applications ..................................................................................................................................................... 12 4.1 Serial interface ....................................................................................................................................... 12 4.1.1 UART interface ............................................................................................................................ 13 4.1.2 Serial port selection .................................................................................................................... 14 4.1.3 Serial buffer .................................................................…

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Shenzhen Friendcom Technology Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 02-26-2024 FCC ID: UU3FCWSL05 Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing Shenzhen Friendcom Technology Co., Ltd. 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. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing Shenzhen Friendcom Technology Co., Ltd. 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. Applicant: Shenzhen Friendcom Technology Co., Ltd. Address: 3/F, 6 Building, Guangqian Industrial Park, Longzhu Road,Xili Town, Nanshan, Shenzhen, China Contact Person: Julia Ma Tel.: 86-18128815150 Email: [email protected] Sincerely, Signature:

Attestation Statements 01-13-2024 TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia,MD 21046,USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: UU3FCWSL05) the undersigned, hereby authorize to act as our designated U.S. agent for service of process, 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. accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information: U.S. Agent Information: Company name: Shenzhen Friendcom Technology Co., Ltd. Company name: Friendcom America Inc . Address: 3/F,6 Building, Guangqian Industrial Park, Longzhu Road,Xili Town, Nanshan, Shenzhen,N/A China Address: 20955 Pathfinder Road STE120, Diamond Bar, CA 91765, USA Contact Name: Bruce Zhang Contact Name: Julia Ma Telephone No: 86-755-86026300 Telephone No: (909)480 0485 Email: [email protected] Email: [email protected] FRN: 0015846066 FRN: 0034794073 Signature: Signature: Shenzhen Friendcom Technology Co., Ltd. Friendcom America Inc . Shenzhen Friendcom Technology Co., Ltd. Friendcom America Inc .

深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. Product name: glue rod antenna material code: product model: AX868SA03 Date of manufacture: 2014-12-15 Version: 1.0 Remarks: Suppli er Shenzhen Feili Tong Technology Co., Ltd. Engineering Department Confirmed Confirmation by Quality Department Appr oval Tang Junrong Wang Weijie Zhang Yi Buyer Shenzhen Ruiba Technology Co., Ltd. Product Department Confirmation Confirmation by Quality Department Confirmation by Purchasing Department Appr oval Address: No. 22 Chuangye Road, Shilongzai Industrial Zone, Shuitian New Village, Shiyan Town, Bao 'an District, Shenzhen Postcode: 518108 Tel: 0755-29683233 Fax: 0755-29683337 深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. Electrical parameters Frequency range 900±50(MHz) Impedance 50Ω VSWR center frequency voltage standing wave ratio standing wave ratio ≤ 2.0 Gain 4.0±0.5(dBi) Maximum input power 50(W) polarization form Vertical polarization Antenna Type Rod antenna 深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. Mechanical parameters Interface SMA-J Antenna connection line --- Height 58mm Color Black Weight --- Working temperature -20 °C ~ 60 °C Storage temperature -30 °C ~ 65 °C 深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. Passive Testing standing wave ratio 深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. Impedance 深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. Efficiency, Gain, Pattern 深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. 深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. 深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. 深圳市飞路通讯科技有限公司 SHENZHEN FREERULE COMMUNICATION TECHNOLOGY CO.,LTD. Structure Diagram

Shenzhen Friendcom Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: March 12, 2024 Subject; Request for Confidentiality FCC ID: UU3FCWSL05 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 Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. 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: Julia Ma Title: General Manager

Effective Date: April 2, 2020 QSF 7.6.4-8 – Agent Authorization Letter Template Page 1 of 1 Revision Date: Revision: 0 Shenzhen Friendcom Technology Co., Ltd. Date：02-26-2024 Product Model Number: WSL05-A0 ; FCC ID：UU3FCWSL05 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following: • Testing • Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION. on our behalf shall have the same effect as acts of our own. Signature: By: Julia Ma Contact Listed on FCC Wesbite Title: General Manager Email: [email protected] On behalf of: Shenzhen Friendcom Technology Co., Ltd.

Shenzhen Friendcom Technology Co., Ltd. FCC Modular Approval Request Rev 3.0 Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024/2/26 Subject; Modular Transmitter Application Company name: Shenzhen Friendcom Technology Co., Ltd. FCC ID: UU3FCWSL05 Dear Sir/Madam, This letter includes the FCC application requirements for Modular Transmitter Approval Request for;- FCC KDB 996369 D01 ‘Module Certification Guide v02; and FCC KDB 996369 D03 OEM Manual v01 In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Equip Auth Guide v02’. FCC ID: UU3FCWSL05 has been examined against the following requirements. Requirement per 15.212 and KDB 996369 D01 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly. Yes, with shielded The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal. Yes , All inputs to the modules are buffered through logic or microprocessor inputs. The module must contain power supply regulation on the module. Yes, A low drop out regulator is used for modular power supply regulation. The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per §§ 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b). Yes, Device is equipped with unique antenna connector. The module must demonstrate compliance in a stand-alone configuration. Yes, distance between modular and all AEs are longer than 20cm ，refer to setup photo. The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (see KDB Publication 784748). Yes ,The modular has a permanent fixed label, and below statement was listed in the User Manual; The host device must be labeled to display the FCC ID of the module Contains FCC ID: UU3FCWSL05 The module must comply with all specific rules applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. Yes ,The module comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee, Refer to test report and user manual Shenzhen Friendcom Technology Co., Ltd. FCC Modular Approval Request Rev 3.0 The module must comply with RF exposure requirements Yes , Transmitter meets MPE calculation of 47 CFR 1.1307 . Refer to MPE Reports and Refer to modular installation manual Integration Instructions for host product manufacturers The following items are submitted in support of application for Modular Transmitter FCC ID as noted above as required by the FCC KDB 996369 D03 OEM Manual v01. These items are provided as integration instructions for host product manufacturers (e.g., OEM instruction manual) to use when integrating a module in a host product. Any requirements that are not applicable to the Module are as indicated below. Summary of requirements and Checklist. Refer to the KDB for description of the complete requirements; KDB Ref Sect Requirements of KDB 996369 D03 User Manual Page Number reference 2.2 List of applicable FCC rules Page 40 2.3 Summarize the specific operational use conditions 2.4 Limited module procedures 2.5 Trace antenna designs 2.6 RF exposure considerations 2.7 Antennas 2.8 Label and compliance information 2.9 Information on test modes and additional testing requirements 2.10 Additional testing, Part 15 Subpart B disclaimer Name: Julia Ma Date: 2024/2/26 Title: General Manager Signature of applicant

Page 1 of 3 Report No.: LGT24A096 Appendix - Photographs of EUT Constructional Details Model: WSL05-A0 Photo 1 Page 2 of 3 Report No.: LGT24A096 Photo 2 Photo 3 Antenna Page 3 of 3 Report No.: LGT24A096 Photo 4

Label 12mmX21mm

Page 1 of 1 Report No.: LGT24A096 Appendix - Photographs of EUT Constructional Details Model: WSL05-A0 Photo 1 Photo 2

The test report is effective only with both signature and specialized stamp. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report only apply to the tested sample. Shenzhen LGT Test Service Co., Ltd. Tel: 0755-89668180 E-mail:[email protected] Web: www.lgt-cert.com Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China RF TEST REPORT Product Name: LoRaWAN wireless communication model Model Name: WSL05-A0 FCC ID: UU3FCWSL05 Issued For : Shenzhen Friendcom Technology Co., Ltd. 3/F, 6 Building, Guangqian Industrial Park, Longzhu Road,Xili Town, Nanshan, Shenzhen, China Issued By : Shenzhen LGT Test Service Co., Ltd. Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Report Number: LGT24A096HA02 Sample Received Date: Jan. 22, 2024 Date of Test: Jan. 22, 2024 – Feb. 05, 2024 Date of Issue: Feb. 05, 2024 Report No.: LGT24A096HA02 Page 2 of 7 TEST REPORT CERTIFICATION Applicant: Shenzhen Friendcom Technology Co., Ltd. Address: 3/F, 6 Building, Guangqian Industrial Park, Longzhu Road,Xili Town, Nanshan, Shenzhen, China Manufacture: Shenzhen Friendcom Technology Co., Ltd. Address: 3/F, 6 Building, Guangqian Industrial Park, Longzhu Road,Xili Town, Nanshan, Shenzhen, China Product Name: LoRaWAN wireless communication modell Trademark: Friendcom Model Name: WSL05-A0 Sample Status: Normal APPLICABLE STANDARDS STANDARD TEST RESULTS FCC 47 CFR §2.1091 KDB 447498 D01 General RF Exposure Guidance v06 PASS Prepared by: Approved by: Zane Shan Vita Li Engineer Technical Director Report No.: LGT24A096HA02 Page 3 of 7 TABLE OF CONTENTS 1 . GENERAL INFORMATION 5 1.1 GENERAL DESCRIPTION OF THE EUT 5 1.2 TEST LABORATORY 5 2 . FCC 47CFR §2.1091 REQUIREMENT 6 2.1 TEST STANDARDS 6 2.2 LIMIT 6 2.3 EUT OPERATION CONDITION 6 2.4 CLASSIFICATION 6 2.5 TEST RESULT 7 Report No.: LGT24A096HA02 Page 4 of 7 Revision History Rev. Issue Date Revisions 00 Feb. 05, 2024 Initial Issue Report No.: LGT24A096HA02 Page 5 of 7 1. GENERAL INFORMATION 1.1 GENERAL DESCRIPTION OF THE EUT Product Name: LoRaWAN wireless communication model Trademark: Friendcom Model Name: WSL05-A0 Series Model: N/A Model Difference: N/A Frequency Bands: 902.3MHz~927.7MHz Modulation: LoRa Antenna Type: Rod Antenna Gain: 4.5dBi Rating: Input: DC 2.8~3.7V;Tpy 3.3V Hardware Version: N/A Software Version: N/A 1.2 TEST LABORATORY Company Name: Shenzhen LGT Test Service Co., Ltd. Address: Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Accreditation Certificate A2LA Certificate No.: 6727.01 FCC Registration No.: 746540 CAB ID: CN0136 Report No.: LGT24A096HA02 Page 6 of 7 2. FCC 47CFR §2.1091 REQUIREMENT 2.1 TEST STANDARDS The limit for Maximum Permissible Exposure (MPE) specified in FCC 1.1310 is followed. The gain of the antennas used in the product is extracted from the Antenna data sheets provided and also the maximum total power input to the antenna is measured. Through the Friis transmission formula and the maximum gain of the antenna, we can calculate the distance, away from the product, where the limit of MPE is reached. Although the Friis Transmission formula is far field assumption, the calculated result of that is an over- prediction for near field power density. It is taken as worst case to specify the safety range. 2.2 LIMIT According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environmental impact of the human exposure to radio-frequency (RF) radiation as specified in 1.1307 (b) Limits for Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm²) Limits for Occupational / controlled Exposures 300 - 1500 -- -- F/300 1500 – 100000 -- -- 5.0 Limits for General population / Uncontrolled Exposure 300 - 1500 -- -- F/1500 1500 – 100000 -- -- 1.0 F= Frequency in MHz Friss Formula Friss Transmission Formula: Pd = (Pout * G) / (4*pi*r²) Where Pd = power density in mW/cm² Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = Distance between observation point and the center of radiator in cm If we know the maximum gain of the antenna and the total output power to the antenna, through calculation, we will know MPE value at distance 20cm. 2.3 EUT OPERATION CONDITION EUT was enabled to transmit and receive at lowest, middle and highest channels. 2.4 CLASSIFICATION The antenna of this product, under normal use condition, is at least 20cm away from the body of the user. Warning statement to the user for keeping at least 20cm or more separation distance from the antenna should be included in the User manual. So, this device is classified as Mobile device. Report No.: LGT24A096HA02 Page 7 of 7 2.5 TEST RESULT Turn up Result Mode Turn up Power LoRa 2±1dBm The MPE result of worst mode: RF Function Frequency (MHz) Max Turn up Power (dBm) Max Turn up Power (mW) ANT Gain (dBi) ANT Gain (gain of antenna in linear scale) Power Density (mW/cm²) Limit (mW/cm²) Ratio Result LoRa 902.3 3 1.995 4.5 2.818 0.0011 1 0.0011 Pass Note: 1. The Maximum Power Density is less than the limit, complies with the exemption requirements. ※※※※※END OF THE REPORT※※※※※

The test report is effective only with both signature and specialized stamp. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report only apply to the tested sample. Shenzhen LGT Test Service Co., Ltd. Tel: 0755-89668180 E-mail:[email protected] Web: www.lgt-cert.com Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China RF TEST REPORT Product Name: LoRaWAN wireless communication model Model Name: WSL05-A0 FCC ID: UU3FCWSL05 Issued For : Shenzhen Friendcom Technology Co., Ltd. 3/F, 6 Building, Guangqian Industrial Park, Longzhu Road,Xili Town, Nanshan, Shenzhen, China Issued By : Shenzhen LGT Test Service Co., Ltd. Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Report Number: LGT24A096RF02 Sample Received Date: Jan. 22, 2024 Date of Test: Jan. 22, 2024 – Mar. 14, 2024 Date of Issue: Mar. 14, 2024 Report No.: LGT24A096RF02 Page 2 of 54 TEST REPORT CERTIFICATION Applicant: Shenzhen Friendcom Technology Co., Ltd. Address: 3/F, 6 Building, Guangqian Industrial Park, Longzhu Road,Xili Town, Nanshan, Shenzhen, China Manufacturer: Shenzhen Friendcom Technology Co., Ltd. Address: 3/F, 6 Building, Guangqian Industrial Park, Longzhu Road,Xili Town, Nanshan, Shenzhen, China Product Name: LoRaWAN wireless communication model Trademark: Friendcom Model Name: WSL05-A0 Sample Status: Normal APPLICABLE STANDARDS STANDARD TEST RESULTS FCC Part 15.247, Subpart C ANSI C63.10-2013 PASS Prepared by: Approved by: Zane Shan Vita Li Engineer Technical Director Report No.: LGT24A096RF02 Page 3 of 54 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 10 2.4 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 10 2.5 EQUIPMENTS LIST 11 3. EMC EMISSION TEST 12 3.1 CONDUCTED EMISSION MEASUREMENT 12 3.2 RADIATED EMISSION MEASUREMENT 16 4. CONDUCTED SPURIOUS & BAND EDGE EMISSION 31 4.1 LIMIT 31 4.2 TEST PROCEDURE 31 4.3 TEST SETUP 32 4.4 EUT OPERATION CONDITIONS 32 4.5 TEST RESULTS 33 5. NUMBER OF HOPPING CHANNEL 39 5.1 LIMIT 39 5.2 TEST PROCEDURE 39 5.3 TEST SETUP 39 5.4 EUT OPERATION CONDITIONS 39 5.5 TEST RESULTS 40 6. AVERAGE TIME OF OCCUPANCY 41 6.1 LIMIT 41 6.2 TEST PROCEDURE 41 6.3 TEST SETUP 41 6.4 EUT OPERATION CONDITIONS 41 6.5 TEST RESULTS 42 7. HOPPING CHANNEL SEPARATION MEASUREMEN 44 7.1 LIMIT 44 7.2 TEST PROCEDURE 44 7.3 TEST SETUP 44 Report No.: LGT24A096RF02 Page 4 of 54 Table of Contents Page 7.4 EUT OPERATION CONDITIONS 44 7.5 TEST RESULTS 45 8. BANDWIDTH TEST 47 8.1 LIMIT 47 8.2 TEST PROCEDURE 47 8.3 TEST SETUP 47 8.4 EUT OPERATION CONDITIONS 47 8.5 TEST RESULTS 48 9. OUTPUT POWER TEST 50 9.1 LIMIT 50 9.2 TEST PROCEDURE 50 9.3 TEST SETUP 50 9.4 EUT OPERATION CONDITIONS 50 9.5 TEST RESULTS 51 10. ANTENNA REQUIREMENT 54 10.1 STANDARD REQUIREMENT 54 10.2 EUT ANTENNA 54 Report No.: LGT24A096RF02 Page 5 of 54 Revision History Rev. Issue Date Contents 00 Mar. 14, 2024 Initial Issue Report No.: LGT24A096RF02 Page 6 of 54 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247, Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247(a)(1) Hopping Channel Separation PASS -- 15.247(b)(2) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247(d) Conducted Spurious & Band Edge Emission PASS -- 15.247(a)(1)(i) Number of Hopping Frequency PASS -- 15.247(a)(1)(i) Dwell Time PASS -- 15.247(a)(1)(i) Bandwidth PASS -- 15.205 Restricted bands of operation PASS -- Part 15.247(d)/part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2013. Report No.: LGT24A096RF02 Page 7 of 54 1.1 TEST FACTORY Company Name: Shenzhen LGT Test Service Co., Ltd. Address: Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Accreditation Certificate A2LA Certificate No.: 6727.01 FCC Registration No.: 746540 CAB ID: CN0136 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.68dB 2 Unwanted Emissions, conducted ±2.988dB 3 All emissions, radiated 9K-30MHz ±2.84dB 4 All emissions, radiated 30M-1GHz ±4.39dB 5 All emissions, radiated 1G-6GHz ±5.10dB 6 All emissions, radiated>6G ±5.48dB 7 Conducted Emission (9KHz-150KHz) ±2.79dB 8 Conducted Emission (150KHz-30MHz) ±2.80dB Note: The measurement uncertainty is not included in the test result. Report No.: LGT24A096RF02 Page 8 of 54 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name: LoRaWAN wireless communication model Trademark: Friendcom Model Name: WSL05-A0 Series Model: N/A Model Difference: N/A Channel List: Please refer to the Note 3. Frequency: 902.3MHz~927.7MHz Modulation: LoRa Antenna Type: Rod Antenna Gain: 4.5dBi Rating: Input: DC 2.8~3.7V;Tpy 3.3V Hardware Version: N/A Software Version: N/A Connecting I/O Port(s): Please refer to the Note 1. Note: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the User Manual. 2. The antenna information refers to the manufacturer provide report, applicable only to the tested sample identified in the report. Due to the incorrect antenna information, a series of problems such as the accuracy of the test results will be borne by …

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Page 1 of 2 Report No.: LGT24A096 Appendix - Test Setup photos Set-up for Radiated Spurious Emission, Below 1GHz Set-up for Radiated Spurious Emission, Above 1GHz Page 2 of 2 Report No.: LGT24A096 Set-up for Conducted Emission