2BKDQ-NSBE200GRFAN HEATER

Attestation Statements (August 15, 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: 2BKDQ-NSBE200GR ) (Ningbo Kadeer Electrical Appliances Co.,Ltd.), the undersigned, hereby authorize (NEWENERGYER LIMITED) to act as our designated U.S. agent for service of process, (Ningbo Kadeer Electrical Appliances 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: Ningbo Kadeer Electrical Appliances Co.,Ltd. Contact Name: ANGEL PENG Address: Guanhaiwei Industry Development Zone, Cixi, Ningbo city, Zhejiang province, China Telephone No: 13538214502 Email: [email protected] FRN: 0035823954 Signature [ANGEL PENG] 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]

(Ningbo Kadeer Electrical Appliances Co.,Ltd.) (August 15, 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: 2BKDQ-NSBE200GR) [Ningbo Kadeer Electrical Appliances 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) ANGEL PENG (Ningbo Kadeer Electrical Appliances Co.,Ltd.) (August 15, 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: 2BKDQ-NSBE200GR) [Ningbo Kadeer Electrical Appliances 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) ANGEL PENG

Ningbo Kadeer Electrical Appliances Co.,Ltd. Model Difference Data：August 15, 2024 Product description: FAN HEATER Model name: NSBE-200GR, NSBE-200DR, NSBE-200FR, NSBE-200FGR, NSBE-200CR, NSBE-200PR, NSBE-200ER, NSBE-220TSH1R, NSBE- 220TSHR, NSBE-220TSGS1R, NSBE-220TSGSR, NSBE-200WFR, NSBE- 220TS45B1R, NSBE-200TS45B1R, NSBE-220TS45A1R, NSBE- 200TS45A1R, NSBE-200TSF1R, NSBE-200TSFR, NSBE-200FR, NSBE- 200L, NSBE-200TS45BR, NSBE-200TS45AR, NSBE-220HR, NSBE-200MR, NSBE-200KR, NSBE-220KR, NSBE-220KSR, NSBE-200JSR Trade Name:N/A FCC ID: 2BKDQ-NSBE200GR All the model are the same circuit and RF module, only the name and appearance are different. Regards Sincerely Client’s signature : Client’s name / title : ANGEL PENG（sales manager） Contact information / address：Guanhaiwei Industry Development Zone, Cixi, Ningbo city, Zhejiang province, China

Ningbo Kadeer Electrical Appliances Co.,Ltd. (August 15, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (FAN HEATER / NSBE-200GR, NSBE- 200DR, NSBE-200FR, NSBE-200FGR, NSBE-200CR, NSBE-200PR, NSBE- 200ER, NSBE-220TSH1R, NSBE-220TSHR, NSBE-220TSGS1R, NSBE- 220TSGSR, NSBE-200WFR, NSBE-220TS45B1R, NSBE-200TS45B1R, NSBE- 220TS45A1R, NSBE-200TS45A1R, NSBE-200TSF1R, NSBE-200TSFR, NSBE- 200FR, NSBE-200L, NSBE-200TS45BR, NSBE-200TS45AR, NSBE-220HR, NSBE-200MR, NSBE-200KR, NSBE-220KR, NSBE-220KSR, NSBE-200JSR / FCC ID: 2BKDQ-NSBE200GR) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the 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 required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Signature: Name: ANGEL PENG Title: sales manager

Ningbo Kadeer Electrical Appliances Co.,Ltd. (August 15, 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: ANGEL PENG Title: sales manager

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 4 Model: NSBE-200GR External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 4

FCC ID LABEL: Label Location: FCC ID: 2BKDQ-NSBE200GR Model No.: NSBE-200GR

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BKDQ-NSBE200GR 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 Modes& Channel Freq. (MHz) 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 2.4G WIFI 802.11n(H T40)&245 2 16±1 17 50.1187 1.7579 (2.45dBi) 0.0175 1 Pass

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: FAN HEATER FCC ID: 2BKDQ-NSBE200GR Trademark: N/A Model Number: NSBE-200GR, NSBE-200DR, NSBE-200FR, NSBE-200FGR, NSBE-200CR, NSBE-200PR, NSBE-200ER, NSBE-220TSH1R, NSBE-220TSHR, NSBE-220TSGS1R, NSBE-220TSGSR, NSBE-200WFR, NSBE-220TS45B1R, NSBE-200TS45B1R, NSBE-220TS45A1R, NSBE-200TS45A1R, NSBE-200TSF1R, NSBE-200TSFR, NSBE-200FR, NSBE-200L, NSBE-200TS45BR, NSBE-200TS45AR, NSBE-220HR, NSBE-200MR, NSBE-200KR, NSBE-220KR, NSBE-220KSR, NSBE-200JSR Prepared For: Ningbo Kadeer Electrical Appliances Co.,Ltd. Address: Guanhaiwei Industry Development Zone, Cixi, Ningbo city, Zhejiang province, China Manufacturer: Ningbo Kadeer Electrical Appliances Co.,Ltd. Address: Guanhaiwei Industry Development Zone, Cixi, Ningbo city, Zhejiang province, 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: Aug. 02, 2024 Sample tested Date: Aug. 02, 2024 to Aug. 06, 2024 Issue Date: Aug. 06, 2024 Report No.: CTB240806016RFX Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 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.: CTB240806016RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 65 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 ............................. 12 6.1 Block Diagram Of Test Setup ........................................... 12 6.2 Limit ................................................................. 12 6.3 Test procedure ........................................................ 12 6.4 Test Result ........................................................... 14 7. RADIATED SPURIOUS EMISSION ..................................... 16 7.1 Block Diagram Of Test Setup ........................................... 16 7.2 Limit ................................................................. 17 7.3 Test procedure ........................................................ 18 7.4 Test Result ........................................................... 19 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............ 41 8.1 Block Diagram Of Test Setup ........................................... 41 8.2 Limit ................................................................. 41 8.3 Test procedure ........................................................ 41 8.4 Test Result ........................................................... 42 9. COUDUCTED OUTPUT POWER ....................................... 50 9.1 Block Diagram Of Test Setup ........................................... 50 9.2 Limit ................................................................. 50 9.3 Test procedure ........................................................ 50 9.4 Test Result ........................................................... 50 10. 6DB OCCUPIED BANDWIDTH......................................... 51 10.1 Block Diagram Of Test Setup .......................................... 51 10.2 Limit ................................................................ 51 10.3 Test procedure ....................................................... 51 10.4 Test Result .......................................................... 52 11. POWER SPECTRAL DENSITY ........................................ 57 11.1 Block Diagram Of Test Setup .......................................... 57 11.2 Limit ................................................................ 57 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240806016RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 65 11.3 Test procedure ....................................................... 57 11.4 Test Result .......................................................... 58 12. ANTENNA REQUIREMENT ........................................... 63 13. EUT TEST SETUP PHOTOGRAPHS ................................... 64 (Note: N/A means not applicable) Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240806016RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 65 1. VERSION Report No. Issue Date Description Approved CTB240806016RFX Aug. 06, 2024 Original Valid Shenzhen CT…

Text truncated - open the document above for the full version.

AntennaSpecification Manufacture：TUYA ProductName：WBR3Antenna AntennaType：PCB TestDate：2021.05.20 Testedby：LongWang Approvedby：Licco Content 1.GeneralDescription.................................................................................1 2.TestConfigurations...................................................................................2 2.1TestEnvironment............................................................................2 2.2TestEquipment...............................................................................2 2.3TestPrinciple...................................................................................2 3.TestResults..............................................................................................3 3.1GainandEfficiency..........................................................................3 3.2RadiationPattern............................................................................4 4.AntennaDimensions................................................................................6 5.EUTPhoto................................................................................................6 6.TestSetupPhoto......................................................................................7 1 1.GeneralDescription ManufacturerHangzhouTuyaInformationTechnologyCo.,Ltd Address Room701,Building3,MoreCenter,No.87GuDunRoad, Hangzhou,Zhejiang,China TestLocation Room106,Building3,LetongSciencePark,No.500, QiuyiRoad,BinjiangDistrict,Hangzhou ProductNameWBR3Antenna Productmodel WBR3 AntennaType PCBAntenna TestItems Gain;Efficiency;RadiationPattern TestFrequency 2400-2500MHz TestStandard ANSI/IEEEStd149-1979 2 2.TestConfigurations 2.1TestEnvironment Temperature(°C)25 Humidity(%RH)60 AtmosphericPressure(kPa)100.5 2.2TestEquipment TestSystemTEM24Multi-probeMicrowaveChamber TestInstrumentAgilentE5071B 2.3TestPrinciple 3 3.TestResults 3.1GainandEfficiency Frequency(MHz)PeakGain(dBi)Efficiency(%) 2400 1.6252.29 2410 1.7152.17 2420 1.9353.14 2430 1.9854.16 2440 2.0057.62 2450 2.1759.64 2460 2.4561.55 2470 2.3860.64 2480 2.5462.86 2490 2.3059.85 2500 2.4960.41 4 3.2RadiationPattern Phi02D Phi902D 5 Theta902D 2480MHz3D 6 4.AntennaDimensions 5.EUTPhoto 7 6.TestSetupPhoto

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: NSBE-200GR 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