2A3PX-RCL1Robint-Clean

Attestation Statements (March 8, 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: 2A3PX-RCL1 ) (Beijing Robint Technology Co., Ltd.), the undersigned, hereby authorize (NEWENERGYER LIMITED) to act as our designated U.S. agent for service of process, (Beijing Robint Technology Co., Ltd.) 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. (NEWENERGYER LIMITED) accepts the responsibility to act as designated U.S. agent for service of process, provides 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. Applicant Information： Company name: Beijing Robint Technology Co., Ltd. Contact Name: Fan WU Address: Room 2006, Jinqiu International Building, No.6 Zhichun Road, Haidian District, Beijing, China Telephone No: 13538214502 Email: [email protected] FRN: 0031650310 Signature [Fan WU] U.S. Agent Information: Company Name: NEWENERGYER LIMITED Address: 1818 S Patton Ct, Denver, CO, 80219 Contact Name: CHUN LIU Telephone No: 213 289 5042 Email: [email protected] FRN: 0034665885 Signature [CHUN LIU]

(Beijing Robint Technology Co., Ltd.) (March 8, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2A3PX-RCL1) [Beijing Robint 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. Sincerely, (Applicant signature) (Applicant printed name) Fan WU (Beijing Robint Technology Co., Ltd.) (March 8, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2A3PX-RCL1) [Beijing Robint 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. Sincerely, (Applicant signature) (Applicant printed name) Fan WU

Beijing Robint Technology Co., Ltd. (March 8, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Fan WU Title: Quality manager

FCC ID LABEL: Label Location: FCC ID: 2A3PX-RCL1 Model No.: RCL1 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 §15.247 (i), §2.1091 – RF Exposure FCC ID: 2A3PX-RCL1 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), 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 Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result BLE GFSK& LCH 3±1 4 2.5119 1.4093 (1.49dBi) 0.0007 1 Pass EDR 8DPSK&LCH 2±1 3 1.9953 1.4093 (1.49dBi) 0.0006 1 Pass ANT1 2.4G WIFI 802.11n(HT20)&2462 14±1 15 31.6228 1.4093 (1.49dBi) 0.0089 1 Pass ANT2 2.4G WIFI 802.11b&2412 15±1 16 39.8107 1.4093 (1.49dBi) 0.0112 1 Pass ANT1 5.2GWIFI 802.11a&5200 11±1 12 15.8489 1.762 (2.46dBi) 0.0056 1 Pass ANT2 5.2GWIFI 802.11a&5240 11±1 12 15.8489 1.762 (2.46dBi) 0.0056 1 Pass ANT1 5.8GWIFI 802.11n(HT20)& 5745 11±1 12 15.8489 1.1246 (1.51dBi) 0.0035 1 Pass ANT2 5.8GWIFI 802.11n(HT40)& 5755 12±1 13 19.9526 1.1246 (1.51dBi) 0.0045 1 Pass Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 2.4G WIFI MIM O 14 ±1 15 ±1 15 16 1.4093 (1.49dBi) 0.0089 0.0112 1 0.0201 1 Pass BT+2.4GWIFI MIMO+5GWIFI MIMO: ∑MPE Ratio =0.0007+0.0112+0.0056=0.0175≤1, so passed. Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 5G WIFI MIM O 11± 1 11± 1 12 12 1.762 (2.46dBi) 0.0056 0.0056 1 0.0112 1 Pass

ReportNo.:RFI-LAB-RF-202401-AA19 QP030-E41 Page1of10 TestingReport CustomerName:BeijingRobintTechnologyCo.,Ltd. ProductName:Robint-Clean SampleModel:RCL1 ReferenceStandard:GB/T9410-2008;ANSI/IEEEStd149-1979 IssueDate:2024.1.31 Engineer:Date: Auditor:Date: Approver:Date: ReportNo.:RFI-LAB-RF-202401-AA19 QP030-E41 Page2of10 Version VersionNo.DateDescriptionFormulateApproval A02024.1.31Forthefirsttime,formulateZkrisEason Contents 1.GeneralInformation.........................................................................................................................3 1.1Generalinformationoftestinginstitutions...........................................................................3 1.2Testingprinciple...................................................................................................................3 1.3Testequipment......................................................................................................................4 1.4Testenvironment...................................................................................................................4 1.5Statement..............................................................................................................................4 2.SampleInformation.........................................................................................................................5 2.1Clientinformation.................................................................................................................5 2.2DescriptionofEUT(S)..........................................................................................................5 2.3EUTappearance....................................................................................................................6 2.4EUTsetupphotooffreespaceOTAtesting.........................................................................6 3.TestResults......................................................................................................................................7 3.1Teststandard.........................................................................................................................7 3.2Testuncertainty.....................................................................................................................7 3.3Testdata................................................................................................................................8 3.3.1VSWRparameters.....................................................................................................8 3.3.2VSWRdata................................................................................................................8 3.3.3Typicalfreespaceefficiencyandgain......................................................................8 3.3.4Typicalfreespaceradiationpattern...........................................................................9 （Thefollowingisblank）..............................................................................................................10 ReportNo.:RFI-LAB-RF-202401-AA19 QP030-E41 Page3of10 1.GeneralInformation 1.1Generalinformationoftestinginstitutions Name ShenzhenRFI-LABCommunicationTechnologyCo.,Ltd. Address 103Building1TingweilndustrialPark,No.6,LiufangRoad,Zone 67Xingdong,Xin'anSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Tel 13682621346 E-mail [email protected] Equipment Alltheequipmentusedinthereportisfixedin103Building1Tingweilndustrial Park,No.6,LiufangRoad,Zone67Xingdong,Xin'anSubdistrict,Bao'anDistrict, Shenzhen,Guangdong,China 1.2Testingprinciple ReportNo.:RFI-LAB-RF-202401-AA19 QP030-E41 Page4of10 1.3Testequipment EquipmentModelNo.SerialNo.Manufacturer Calibration date Next calibration date OTATest System RayZone-5000 RFI-LAB-RF -D00 GTS2023.3.142025.3.13 Network Analyzer E5071C RFI-LAB-RF -D01 KEYSIGHT2023.5.112024.5.10 Network Analyzer E5071C RFI-LAB-RF -C02 KEYSIGHT2023.5.112024.5.10 1.4Testenvironment Temperature 24.2°C Humidity 58%RH Pressure 100.17kPa 1.5Statement (1)Thetestresultsinthereportareonlyapplicabletothetestedsamplesandthetestedsamples workundertheenvironmentdescribedinthereport. (2)OnlyShenzhenRFI-LABCommunicationTechnologyCo.,Ltd.havetherighttomodifythe report,andthemodificationinformationshallbeannotatedintherevisionform. (3)Anyobjectiontothisreportshallberaisedwithin30daysafterformalconfirmationofthe report. (4)Thisreportisinvalidifthereisanyevidencethatthesampleinformationprovidedisfalsified. (5)Thereportisinvalidwithoutthesignatureoftheauditorandapprover. ReportNo.:RFI-LAB-RF-202401-AA19 QP030-E41 Page5of10 2.SampleInformation 2.1Clientinformation Name BeijingRobintTechnologyCo.,Ltd. Address Room2006,JinqiuInternationalBuilding,No.6ZhichunRoad, HaidianDistrict,Beijing Contacts Mr.Xiao Tel 13538218145 E-mail [email protected] Manufacturer BeijingRobintTechnologyCo.,Ltd. Manufacturer Address Room2006,JinqiuInternationalBuilding,No.6ZhichunRoad, HaidianDistrict,Beijing 2.2DescriptionofEUT(S) ProductName Robint-Clean SampleModel RCL1 AntennaSize / SerialNo. / AntennaType Externalantenna TestItem VSWR;Antennagain;Efficiency;Radiationpattern FrequencyRange 2400-2500MHz;5000-6000MHz ReceivedDate 2024.1.31 TestDate 2024.1.31 Remark / ReportNo.:RFI-LAB-RF-202401-AA19 QP030-E41 Page6of10 2.3EUTappearance 2.4EUTsetupphotooffreespaceOTAtesting Planform Frontview ReportNo.:RFI-LAB-RF-202401-AA19 QP030-E41 Page7of10 3.TestResults 3.1Teststandard NameParameterMethodStandardno. Mobile communication antenna Antennagain Genericspecification forantennasusedinthe mobilecommunications GB/T 9410-2008 Radiationpattern VSWR Antenna Radiationefficiency IEEEStandardTest ProceduresforAntennas ANSI/IEEEStd 149-1979 Gainanddirectivity 3.2Testuncertainty TheuncertaintywascalculatedonthebasisoftheGUMpublishedbyISO,usingthe inclusionfactorofK=2andthe95%confidenceleveltoexpresstheextended uncertainty. ItemUncertainty VSWR±0.3 Antennagain±0.72dB Radiationefficiency±0.72dB ReportNo.:RFI-LAB-RF-202401-AA…

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TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Robint-Clean FCC ID: 2A3PX-RCL1 Trademark: ROBINT Model Number: RCL1 Prepared For: Beijing Robint Technology Co., Ltd. Address: Room 2006, Jinqiu International Building, No.6 Zhichun Road, Haidian District, Beijing, China Manufacturer: Beijing Robint Technology Co., Ltd. Address: Room 2006, Jinqiu International Building, No.6 Zhichun Road, Haidian District, Beijing, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Jan. 22, 2024 Sample tested Date: Jan. 22, 2024 to Feb. 23, 2024 Issue Date: Feb. 23, 2024 Report No.: CTB240223014RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240223014RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 35 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 3 2. TEST SUMMARY ........................................................................................................................... 4 3. MEASUREMENT UNCERTAINTY ................................................................................................. 5 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 6 4.1 Product Information .......................................................................................................................... 6 4.2 Test Setup Configuration .................................................................................................................. 6 4.3 Support Equipment........................................................................................................................... 6 4.4 Channel List ..................................................................................................................................... 7 4.5 Test Mode ........................................................................................................................................ 7 4.6 Test Environment ............................................................................................................................. 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................................................... 8 5.1 Test Facility ...................................................................................................................................... 8 5.2 Test Instrument Used ....................................................................................................................... 8 6. AC POWER LINE CONDUCTED EMISSION ................................................................................ 10 6.1 Block Diagram Of Test Setup ......................................................................................................... 10 6.2 Limit ................................................................................................................................................ 10 6.3 Test procedure ............................................................................................................................... 10 6.4 Test Result ..................................................................................................................................... 12 7. RADIATED SPURIOUS EMISSION ............................................................................................. 14 7.1 Block Diagram Of Test Setup ......................................................................................................... 14 7.2 Limit ................................................................................................................................................ 14 7.3 Test procedure ............................................................................................................................... 15 7.4 Test Result ..................................................................................................................................... 16 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 23 8.1 Block Diagram Of Test Setup ......................................................................................................... 23 8.2 Limit ................................................................................................................................................ 23 8.3 Test procedure ............................................................................................................................... 23 8.4 Test Result ..................................................................................................................................... 24 9. COUDUCTED OUTPUT POWER ................................................................................................. 26 9.1 Block Diagram Of Test Setup ......................................................................................................... …

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TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Robint-Clean FCC ID: 2A3PX-RCL1 Trademark: ROBINT Model Number: RCL1 Prepared For: Beijing Robint Technology Co., Ltd. Address: Room 2006, Jinqiu International Building, No.6 Zhichun Road, Haidian District, Beijing, China Manufacturer: Beijing Robint Technology Co., Ltd. Address: Room 2006, Jinqiu International Building, No.6 Zhichun Road, Haidian District, Beijing, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Jan. 22, 2024 Sample tested Date: Jan. 22, 2024 to Feb. 23, 2024 Issue Date: Feb. 23, 2024 Report No.: CTB240223016RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is WIFI-2.4GHz band radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240223016RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 81 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ............................................................ 4 2. TEST SUMMARY ..................................................... 5 3. MEASUREMENT UNCERTAINTY ....................................... 6 4. PRODUCT INFORMATION AND TEST SETUP ........................... 7 4.1 Product Information ..................................................... 7 4.2 Test Setup Configuration ................................................ 7 4.3 Support Equipment ..................................................... 7 4.4 Channel List ........................................................... 8 4.5 Test Mode ............................................................. 8 4.6 Test Environment ....................................................... 8 5. TEST FACILITY AND TEST INSTRUMENT USED ......................... 9 5.1 Test Facility ............................................................ 9 5.2 Test Instrument Used ................................................... 9 6. AC POWER LINE CONDUCTED EMISSION ............................. 11 6.1 Block Diagram Of Test Setup ........................................... 11 6.2 Limit ................................................................. 11 6.3 Test procedure ........................................................ 11 6.4 Test Result ........................................................... 13 7. RADIATED SPURIOUS EMISSION ..................................... 15 7.1 Block Diagram Of Test Setup ........................................... 15 7.2 Limit ................................................................. 15 7.3 Test procedure ........................................................ 16 7.4 Test Result ........................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ........... 39 8.1 Block Diagram Of Test Setup ........................................... 39 8.2 Limit ................................................................. 39 8.3 Test procedure ........................................................ 39 9. COUDUCTED OUTPUT POWER ....................................... 56 9.1 Block Diagram Of Test Setup ........................................... 56 9.2 Limit ................................................................. 56 9.3 Test procedure ........................................................ 56 9.4 Test Result ........................................................... 57 10. 6DB OCCUPIED BANDWIDTH ........................................ 58 10.1 Block Diagram Of Test Setup .......................................... 58 10.2 Limit ................................................................ 58 10.3 Test procedure ....................................................... 58 10.4 Test Result .......................................................... 59 11. POWER SPECTRAL DENSITY ........................................ 69 11.1 Block Diagram Of Test Setup .......................................... 69 11.2 Limit ................................................................ 69 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240223016RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 81 11.3 Test procedure ....................................................... 69 11.4 Test Result .......................................................... 70 12. ANTENNA REQUIREMENT ........................................... 79 13. EUT TEST SETUP PHOTOGRAPHS ................................... 80 (Note: N/A means not applicable) Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240223016RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 81 1. VERSION Report No. Issue Date Description Approved CTB240223016RFX Feb. 23, 2024 Original Valid Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240223016RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 5 of 81 2. TEST SUMMARY The Product has been tested according to the following specifications: Test Item Test Requirement Test method Result AC Power Line Conducted Emission 47 CFR Part 15 Subpart C Section 15.207 ANSI C63.10-2013 PASS Radiated Spurious emissions 47 CFR Part 15 Subpart C Section 15.205/15.209 ANSI C63.10-2013 PASS Band edge and RF Conducted Spurious E…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: RCL1 Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions