2ANPB-RIV1230RCHBluetooth Communication Module

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: RNG International Inc. FRN:0026824391 Contact Name: Jason Jiang Address:5050 S Archibald Ave, Ontario, CA 91762, USA Telephone No: +1-4128889636 Email:[email protected] Applicant: Company name: RNG International Inc. Product Description: Bluetooth Communication Module Grantee code:2ANPB FCC ID:2ANPB-RIV1230RCH Contact Name: Jason Jiang Address:5050 S Archibald Ave, Ontario, CA 91762, USA Telephone No: +1-4128889636 Email:[email protected] [RNG International Inc.] certifies that, as of the date of this filing of the application with the TCB, [RNG International Inc.] is our designated US agent for service of process for the above referenced FCC ID. [RNG InternationalInc.] 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. [RNG International Inc.] accepts, as of the date of the filing of the application, the obligation of the designatedUS agent for service of process for the above reference FCC ID. The RNG International Inc. 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: 2023/05/08 Applicant’s Name:Jason JiangUS Agent’s Name:Jason Jiang Title:Director of Product SolutionTitle:Director of Product Solution SignatureSignature

C5266091_X24_Ed.2 1/1 “Attestation Statements” 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 nam e: RNG International Inc. Grantee code: 2ANPB FCC ID:2ANPB-RIV1230RCH Contact Name: Jason Jiang Address:5050 S Archibald Ave, Ontario, CA 91762, USA Telephone No: +1-4128889636 Fax No:+1-9092196382 Email:[email protected] i. [RNG International 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. [RNG International 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. [RNG International Inc.] (“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: 2023/05/16 Applicant’s Name:Jason Jiang Title: DirectorofProductSolution Signature 1 The Commission’sCovered Listis 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

C5266091_X8_Ed.1 1/1 Letter of Authorization Company:RNG International Inc. Address:5050 S Archibald Ave, Ontario, CA 91762, USA Product Name:Bluetooth Communication Module Model Number:RNGBTCM001 FCC Identifier:2ANPB-RIV1230RCH 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 acton our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Fontdel 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:Jason JiangDate:2023-06-25 Title:Director of Product Solution Signature of applicant:

C5266091_X10_Ed.1 1/1 RNG International Inc. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-06-25 Subject: Request for Confidentiality FCC ID: 2ANPB-RIV1230RCH 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. ExhibitsLong-Term Confidentiality Short-Term Confidentiality ID Label/LocationNoNo Attestation StatementNoNo External PhotosNo Block Diagram Schematics Test ReportNoNo Test Setup PhotosNo User’s Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s)NoNo SDR Software / Security InfoNo Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. Thepublic disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. 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 willbe available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Jason Jiang Title: Director of Product Solution

C5266091_X9_Ed.2 1/1 RNG International Inc. Modular Transmitter Approval Request Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Company name: RNG International Inc. FCC ID: 2ANPB-RIV1230RCH Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Certification Guide v02’. FCC ID: 2ANPB-RIV1230RCH has been examined against the following requirements. Items to be covered by Single modular transmitters. Requirement per 15.212 and KDB 996369 D01 ‘Modular Certification Guide v02 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved) 1. 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 The model with shielding cover, Single modular approval. 2. 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 Buffered data inputs stage has been integrated in chip TTC2640 R2 3. The module must contain power supply regulation on the module Yes The power regulator has been integrated in chip TTC2640 R2 4. 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 Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) The requirements of antenna connector and spurious emission have been fulfilled. Please reference the exhibition Test Report. 5. The module must demonstrate compliance in a stand- alone configuration Please reference exhibition Test Configuration Photo for the stand-alone test configuration. 6. The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) The instruction on the labelling rule of the end product has been stated in the Users manual of this module. Please also see the exhibition Label Sample. 7. The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee The required FCC rule has been fulfilled and all the instructions for maintaining compliance has been clearly stated in the Users Manual. 8. The module must comply with RF exposure requirements Please refer exhibition RF Exposure for the compliance of MPE RF exposure rule. C5266091_X9_Ed.2 1/1 Items to be covered by Split modular transmitters. Requirement per 15.212 and KDB 996369 D01 ‘Modular Certification Guide v02 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved) 9. Split modular transmitters must meet all the requirements of a single modular in above item1 and 5 for single modular approval requirements. 10. Only the radio front end must be shielded. The physical crystal and tuning capacitors may be located external to the shielded radio elements. The interface between the split sections of the modular system must be digital with a minimum signaling amplitude of 150 mV peak-to-peak. 11. Control information and other data may be exchanged between the transmitter control elements and radio front end. 12. The sections of a split modular transmitter must be tested installed in a host device(s) similar to that which is representative of the platform(s) intended for use. 13. Manufacturers must ensure that only transmitter control elements and radio front end components that have been approved together are capable of operating together. The transmitter module must not operate unless it has verified that the installed transmitter control elements and radio front end have been authorized together. Manufacturers may use means including, but not limited to, coding in hardware and electronic signatures in software to meet these requirements, and must describe the methods in their application for equipment authorization. A limited modular approval (LMA) may be granted for single or split modular transmitters that comply partially with requirements above. Name: Jason Jiang Date: 2023/05/08 Title: Director of Product Solution Signature of applicant

FCC ID: 2ANPB-RIV1230RCH IC: 23590-RIV1230RCH External photos FCC ID: 2ANPB-RIV1230RCH IC: 23590-RIV1230RCH FCC ID: 2ANPB-RIV1230RCH IC: 23590-RIV1230RCH RF Antenna FCC ID: 2ANPB-RIV1230RCH IC: 23590-RIV1230RCH

Model number: RNGBTCM001 FCC ID: 2ANPB-RIV1230RCH IC: 23590-RIV1230RCH XXX-XXXXXX Label Location

FCC ID: 2ANPB-RIV1230RCH IC: 23590-RIV1230RCH Internal photos RF Chip

Report No.: NTC2211499F01 Dongguan Nore Testing Center Co., Ltd. Address: Building D, Gaosheng Science and Technology park, Hongtu road, Nancheng district, Dongguan city, Guangdong province, China Web: www.ntc-c.com Tel:+86-769-2202 2444 Fax:+86-769-2202 2799 Page 1 of 9 RF EVALUATION TEST REPORT Applicant......................... : RNG International Inc Address........................... : 5050 S Archibald Ave, Ontario, CA 91762, USA Manufacturer.................... : RENOGY New Energy Co., Ltd Address........................... : Room 624-625, Taicang German Overseas Students Pioneer Park, No.66 Ningbo East Road, Taicang Economic Development Zone, Taicang, JiangSu, 215000 China Factory........................... : Wuxi HQ Science and Technology Co.,Ltd Address.......................... : 8 Chengtang Road, Huishan District, Wuxi City, Jiangsu, China Product Name................... : Bluetooth Communication Module FCC ID............................ : 2ANPB-RIV1230RCH Brand Name..................... : Model No. ....................... : RNGBTCM001 Measurement Standard....... : 47 CFR PART 2, Section 2.1091 Receipt Date of Samples.... : November 25, 2022 Date of Tested.................. : November 25, 2022 to March 21, 2023 Date of Report.................. : July 06, 2023 This report shows that above equipment is technically compliant with the requirements of the standards above. All test results in this report apply only to the tested sample(s). Without prior written approval of Dongguan Nore Testing Center Co., Ltd, this report shall not be reproduced except in full. Prepared by Rose Hu / Project Engineer Approved by Iori Fan / Authorized Signatory Report No.: NTC2211499F01 Page 2 of 9 Table of Contents 1. General Description of EUT ................................................................................................................................ 4 2. Test Facility and Location ................................................................................................................................... 6 3. Applicable Standards and References ................................................................................................................ 7 4. Maximum Permissible Exposure Limit ................................................................................................................ 7 5. RF Exposure Evaluation Results ........................................................................................................................ 9 Report No.: NTC2211499F01 Page 3 of 9 Revision History Report Number Description Issued Date NTC2211499F01 Initial Issue 2023-07-06 Report No.: NTC2211499F01 Page 4 of 9 1. General Description of EUT Product Information Product name: Bluetooth Communication Module Main Model Name: RNGBTCM001 Additional Model Name: N/A Model Difference: N/A S/N: 2212-6862 Brand Name: Hardware version: V01 Software version: Not stated Rating: DC 3.3V come from external power source Typical Arrangement: Tabletop / Built-in I/O Port: Refer to the user manual Accessories Information Adapter: N/A Cable: N/A Other: N/A Additional information Note: N/A Remark: All the information above are provided by the manufacturer. More detailed feature of the EUT please refers to the user manual. Report No.: NTC2211499F01 Page 5 of 9 Technical Specification Bluetooth Version: V4.2 Frequency Range: 2402-2480MHz Modulation Type: GFSK Number of Channel: 40 (refer to following channel list for details) Channel Space: 2MHz Antenna Type: Integral Antenna Antenna Gain: 3.56 dBi RF PHY Support: 1Mbps Note: The EUT does not support Bluetooth BDR and EDR feature in accordance with the manufacturer declaration. Report No.: NTC2211499F01 Page 6 of 9 2. Test Facility and Location Test Site : Dongguan Nore Testing Center Co., Ltd. (Dongguan NTC Co., Ltd.) Accreditations and Authorizations : The Laboratory has been assessed and proved to be in compliance with CNAS/CL01 Listed by CNAS, August 13, 2018 The Certificate Registration Number is L5795. The Certificate is valid until August 13, 2024 The Laboratory has been assessed and proved to be in compliance with ISO17025 Listed by A2LA, November 01, 2017 The Certificate Registration Number is 4429.01 Listed by FCC, November 06, 2017 Test Firm Registration Number: 907417 Listed by Industry Canada, June 08, 2017 The Certificate Registration Number. Is 46405-9743A Test Site Location : Building D, Gaosheng Science and Technology Park, Hongtu Road, Nancheng District, Dongguan City, Guangdong Province, China Report No.: NTC2211499F01 Page 7 of 9 3. Applicable Standards and References According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standards: Test Standards: 47 CFR Part 1, 1.1307 47 CFR Part 2, 2.1091 KDB 447498 D04 v01 4. Maximum Permissible Exposure Limit According to 47 CFR Part 1, 1.1307, for single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: 47 CFR Part 1, 1.1307 (A) The available maximum time- averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph (b)(3)(ii)(A) of this section. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time- averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). P th is given by: Where, And, Report No.: NTC2211499F01 Page 8 of 9 d = the minimum separation distance (cm) in any direction from any part of the device antenna(s) or radiating structure(s) to the body of the device use…

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Page 1 of 10 Specification for approval Customer: RNG International Inc Antenna model number: RIV1230RCH-SPS-ANT Antenna type: Integral Antenna Date: 2023.03.20 Page 2 of 10 1. Product Overview & Dimension Page 3 of 10 2. Test Result 2.1 VSWR Page 4 of 10 2. Test Result 2.2 Gain & Efficiency Frequency ID 1 2 3 4 5 6 7 8 9 10 11 Frequency (MHz) 2400.0 2410.0 2420.0 2430.0 2440.0 2450.0 2460.0 2470.0 2480.0 2490.0 2500.0 Efficiency (dBi) -2.29 -2.44 -2.29 -2.22 -2.41 -2.81 -2.92 -2.78 -2.54 -2.64 -2.85 Gain (dBi) 3.39 3.28 3.51 3.56 3.35 2.93 2.83 2.92 3.11 2.91 2.58 Efficiency (%) 59.03 57.03 59.03 60.01 57.45 52.40 51.11 52.67 55.70 54.42 51.93 Directivity (dB) 5.68 5.72 5.80 5.77 5.75 5.74 5.75 5.71 5.65 5.56 5.42 Peak Gain Position (Theta) 135.00 135.00 135.00 135.00 135.00 135.00 135.00 135.00 135.00 135.00 135.00 Peak Gain Position (Phi) 225.00 225.00 225.00 225.00 225.00 225.00 225.00 225.00 225.00 225.00 225.00 Efficiency ThetaPol (%) 45.25 43.54 44.93 45.72 43.95 40.04 38.97 39.97 42.25 41.07 39.01 Efficiency PhiPol (%) 13.78 13.49 14.10 14.29 13.50 12.36 12.14 12.70 13.45 13.35 12.92 Upper Hem. Efficiency (%) 23.09 22.14 22.67 23.08 22.16 20.10 19.29 19.46 20.13 19.15 17.79 Lower Hem. Efficiency (%) 35.94 34.89 36.36 36.93 35.29 32.30 31.81 33.21 35.57 35.27 34.14 Page 5 of 10 2. Test Result Page 6 of 10 Page 7 of 10 Page 8 of 10 Page 9 of 10 Page 10 of 10

Report No.: NTC2211499FV00 Dongguan Nore Testing Center Co., Ltd. Address: Building D, Gaosheng Science and Technology park, Hongtu road, Nancheng district, Dongguan city, Guangdong province, China Web: www.ntc-c.com Tel:+86-769-2202 2444 Fax:+86-769-2202 2799 Page 1 of 36 FCC RADIO TEST REPORT Applicant......................... : RNG International Inc Address........................... : 5050 S Archibald Ave, Ontario, CA 91762, USA Manufacturer.................... : RENOGY New Energy Co., Ltd Address........................... : Room 624-625, Taicang German Overseas Students Pioneer Park, No.66 Ningbo East Road, Taicang Economic Development Zone, Taicang, JiangSu, 215000 China Factory........................... : Wuxi HQ Science and Technology Co.,Ltd Address.......................... : 8 Chengtang Road, Huishan District, Wuxi City, Jiangsu, China Product Name................... : Bluetooth Communication Module Brand Name..................... : Model No. ....................... : RNGBTCM001 FCC ID................................ : 2ANPB-RIV1230RCH Measurement Standard....... : 47 CFR FCC Part 15, Subpart C (Section 15.247) Receipt Date of Samples.... : November 25, 2022 Date of Tested.................. : November 25, 2022 to March 21, 2023 Date of Report.................. : July 06, 2023 This report shows that above equipment is technically compliant with the requirements of the standards above. All test results in this report apply only to the tested sample(s). Without prior written approval of Dongguan Nore Testing Center Co., Ltd, this report shall not be reproduced except in full. Prepared by Rose Hu / Project Engineer Approved by Iori Fan / Authorized Signatory Report No.: NTC2211499FV00 Page 2 of 36 Table of Contents 1. Summary of Test Result ...................................................................................................................................... 4 2. General Description of EUT ................................................................................................................................ 5 3. Test Channels and Modes Detail ........................................................................................................................ 8 4. Configuration of EUT ........................................................................................................................................... 8 5. Modification of EUT ............................................................................................................................................. 8 6. Description of Support Device ............................................................................................................................. 9 7. Test Facility and Location ................................................................................................................................. 10 8. Applicable Standards and References .............................................................................................................. 11 9. Deviations and Abnormalities from Standard Conditions ................................................................................. 11 10. Test Conditions ............................................................................................................................................... 12 11. Measurement Uncertainty ............................................................................................................................... 13 12. Sample Calculations ....................................................................................................................................... 14 13. Test Items and Results ................................................................................................................................... 15 13.1 Conducted Emissions Measurement ............................................................................................................ 15 13.2 Maximum Conducted Output Power Measurement ...................................................................................... 19 13.3 6dB Bandwidth Measurement ....................................................................................................................... 21 13.4 Power Spectral Density Measurement ......................................................................................................... 23 13.5 Band Edge and Conducted Spurious Emissions Measurement ................................................................... 24 13.6 Radiated Spurious Emissions and Restricted Bands Measurement ............................................................ 28 13.7 Antenna Requirement ................................................................................................................................... 35 14. Test Equipment List......................................................................................................................................... 36 Report No.: NTC2211499FV00 Page 3 of 36 Revision History Report Number Description Issued Date NTC2211499FV00 Initial Issue 2023-07-06 Report No.: NTC2211499FV00 Page 4 of 36 1. Summary of Test Result FCC Rules Description of Test Result Remarks §15.207 (a) AC Power Conducted Emission PASS --- §15.247(b)(3) Maximum Conducted Output Power PASS --- §15.247(a)(2) 6dB Bandwidth PASS --- §15.247(e) Power Spectral Density PASS --- §15.247(d) Band Edge and Conducted Spurious Emissions PASS --- §15.247(d), §15.209, §15.205 Radiated Spurious Emissions and Restricted Bands PASS --- §15.203 Antenna Requirement PASS --- Report No.: NTC2211499FV00 Page 5 of 36 2. General Description of EUT Product Information Product name: Bluetooth Communication Module Main Model Name: RNGBTCM001 Additional Model Name: N/A Model Difference: N/A S/N: 2212-6862 Brand Name: Hardware version: V01 Software version: Not stated Rating: DC 3.3V come from external power source Classification: Class B Typical a…

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FCC ID: 2ANPB-RIV1230RCH IC: 23590-RIV1230RCH Test Photo Radiated emission (Below 30MHz) Radiated emission (30-1000MHz) FCC ID: 2ANPB-RIV1230RCH IC: 23590-RIV1230RCH Radiated emission (Above 1000MHz) Conducted Emission