2A9IF-SL-600HAir Purifier

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SteriLumen, Inc Model difference statement Product Name: Air Purifier Model N o.: SL-600H, APS-600H We (SteriLumen, Inc., 3625 Kennesaw N Industrial Pkwy, Kennesaw, GA 30144 USA) hereby state that all the models are the same circuit and module, except the model name. Signature: Name: Mark Lee Title: Sr. Director Tel: 914-665-6100 Email: [email protected] Date: 1.5.2023

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: SteriLumen, Inc Address: 3625 Kennesaw N Industrial Pkwy, Kennesaw, GA 30144 USA Product Name: Air Purifier Model Number: SL-600H, APS-600H FCC Identifier: 2A9IF-SL-600H We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Mark Lee Date: 1/5/2023 Title: Sr. Director Signature of applicant:

C5266091_X10_Ed.1 1/1 SteriLumen, Inc Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 1/5/2023 Subject: Request for Confidentiality FCC ID: 2A9IF-SL-600H To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality 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 Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) No No SDR Software / Security Info No 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. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Mark Lee Date: 1/5/2023 Title: Sr. Director

Page 1 of 3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Appendix - Ext Photos Model: SL-600H Photo 1 Photo 2 Page 2 of 3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 3 Photo 4 Page 3 of 3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 5 Photo 6 ----End of Report----

Label Location

Page 1 of 9 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Appendix - Int Photos Model: SL-600H Photo 1 Photo 2 Page 2 of 9 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 3 Photo 4 Page 3 of 9 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 5 Photo 6 Page 4 of 9 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 7 Photo 8 Page 5 of 9 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 9 Photo 10 Page 6 of 9 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 11 Photo 12 Page 7 of 9 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 13 Photo 14 Page 8 of 9 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 15 Photo 16 ANT Page 9 of 9 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 17 ----End of Report----

Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] RF EXPOSURE Test Report Report No.: MTi221118004-01E2 Date of issue: 2023-01-04 Applicant: SteriLumen, Inc Product: Air Purifier Model(s): SL-600H, APS-600H FCC ID: 2A9IF-SL-600H Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 5 - Report No.: MTi221118004-01E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Instructions 1. The report shall not be partially reproduced without the written consent of the laboratory; 2. The test results of this report are only responsible for the samples submitted; 3. This report is invalid without the seal and signature of the laboratory; 4. This report is invalid if transferred, altered or tampered with in any form without authorization; 5. Any objection to this report shall be submitted to the laboratory within 15 days from the date of receipt of the report. - Page 3 of 5 - Report No.: MTi221118004-01E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Test Result Certification Applicant: SteriLumen, Inc Address: 3625 Kennesaw N Industrial Pkwy, Kennesaw, GA 30144 USA Manufacturer: Anhui Leking Environment Technology Co., Ltd. Address: No.58 Fuqiang Road, Jiujiang District, Wuhu City, Anhui Province, China Product description Product name: Air Purifier Trademark: SteriLumen Model name: SL-600H Serial Model: APS-600H Standards: N/A Test procedure: KDB 447498 D01 v06 Date of Test Date of test: 2022-11-28 ~ 2022-12-02 Test result: Pass Test Engineer : (David Lee) Reviewed By: : (Leon Chen) Approved By: : (Tom Xue) - Page 4 of 5 - Report No.: MTi221118004-01E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) MPE Calculation Method Friis transmission formula: Pd= (Pout*G)\ (4*pi*R 2 ) Where Pd= Power density in mW/cm 2 Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1415926 R= distance between observation point and center of the radiator in cm(20cm) Pd the limit of MPE, 1mW/cm 2 . If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. - Page 5 of 5 - Report No.: MTi221118004-01E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Measurement Result 2.4GWiFi: Operation Frequency: WIFI 802.11b/g/n HT20: 2412-2462MHz, Power density limited: 1mW/ cm 2 Antenna Type: PCB Antenna; WIFI antenna gain: 2.54dBi R=20cm mW=10^(dBm/10) antenna gain Numeric=10^(dBi/10)= 10^(2.54/10)=1.79 2.4GWiFi: Channel Freq. (MHz) modulation conducted power Tune- up power Max Antenna Evaluation result at 20cm Power density Limits (dBm) (dBm) tune-up power Gain Power density(mW/cm 2 ) (mW/cm 2 ) (dBm) (mW) Numeric 2412 802.11b 17.09 17±1 18 63.096 1.79 0.02247 1 2437 17.13 17±1 18 63.096 1.79 0.02247 1 2462 17.2 17±1 18 63.096 1.79 0.02247 1 2412 802.11g 14.47 14±1 15 31.623 1.79 0.01126 1 2437 14.29 14±1 15 31.623 1.79 0.01126 1 2462 14.66 14±1 15 31.623 1.79 0.01126 1 2412 802.11n H20 13.11 14±1 15 31.623 1.79 0.01126 1 2437 13.26 14±1 15 31.623 1.79 0.01126 1 2462 13.6 14±1 15 31.623 1.79 0.01126 1 Conclusion: For the max result: 0.02247≤ 1.0 SAR, No SAR is required. ----END OF REPORT----

Page 1 SHANGHAI DEMAN INFORMATION TECHNOLOGY CO.,LTD. MANUFACTURER: TUYA PRODUCT NAME:WBR3 ANTENNA ANTENNA TYPE:PCB WRITED: Long Wang DATE:20190520 VERSIONS:A Page 2 Measurement data Frequency (MHz) 240024502500 Return Loss-8.73-11.76-11.21 VSWR 2.161.711.77 Page 3 Antenna Size Test SetupAntenna Size Page 4 Directivity Diagram 2D Phi 90 Phi 0 Theta 90 Page 5 © 2011, Deman Electronics Radiation Pattern Page 6 Freq.（MHz）Effi(%)Gain (dBi) 2400 52.29 1.62 2410 52.17 1.71 2420 53.14 1.93 2430 54.16 1.98 2440 57.62 2.00 2450 59.64 2.17 2460 61.55 2.45 2470 60.64 2.38 2480 62.86 2.54 2490 59.85 2.30 2500 60.41 2.49 Efficiency&Gain

Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Test Report Report No.: MTi221118004-01E1 Date of issue: 2023-01-04 Applicant: SteriLumen, Inc Product: Air Purifier Model(s): SL-600H, APS-600H FCC ID: 2A9IF-SL-600H Shenzhen Microtest Co., Ltd. http://www.mtitest.com Page 2 of 54 Report No.: MTi221118004-01E1 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86‐755)88850135 Fax: (86‐755) 88850136 Web: www.mtitest.com E‐mail: [email protected] Instructions 1. This test report shall not be partially reproduced without the written consent of the laboratory. 2. The test results in this test report are only responsible for the samples submitted 3. This test report is invalid without the seal and signature of the laboratory. 4. This test report is invalid if transferred, altered, or tampered with in any form without authorization. 5. Any objection to this test report shall be submitted to the laboratory within 15 days from the date of receipt of the report. Page 3 of 54 Report No.: MTi221118004-01E1 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86‐755)88850135 Fax: (86‐755) 88850136 Web: www.mtitest.com E‐mail: [email protected] Table of contents 1 General Description .......................................................................................................................... 5 1.1 Description of the EUT .................................................................................................................................. 5 1.2 Description of test modes ............................................................................................................................. 6 1.3 Environmental conditions for testing ............................................................................................................. 7 1.4 Description of support units .......................................................................................................................... 7 2 Measurement uncertainty ................................................................................................................. 8 3 Summary of Test Result ................................................................................................................... 9 4 Test Laboratory ............................................................................................................................... 10 5 Equipment List ................................................................................................................................ 11 6 Test Result ....................................................................................................................................... 12 6.1 Antenna requirement .................................................................................................................................. 12 6.2 AC power line conducted emissions ........................................................................................................... 13 6.3 Radiated spurious emission ........................................................................................................................ 16 6.4 DTS bandwidth ........................................................................................................................................... 25 6.5 Maximum conducted output power ............................................................................................................. 26 6.6 Power spectral density ................................................................................................................................ 27 6.7 Band edge (Conducted) .............................................................................................................................. 28 6.8 Conducted spurious emissions ................................................................................................................... 29 6.9 Duty Cycle ................................................................................................................................................... 30 Appendix A: DTS Bandwidth ................................................................................................................. 31 Appendix B: Maximum conducted output power ................................................................................ 35 Appendix C: Maximum power spectral density ................................................................................... 36 Appendix D: Band edge measurements ............................................................................................... 40 Appendix E: Conducted Spurious Emission ....................................................................................... 42 Appendix F: Duty Cycle ......................................................................................................................... 51 Photographs of the Test Setup ............................................................................................................. 53 Photographs of the EUT ........................................................................................................................ 54 Page 4 of 54 Report No.: MTi221118004-01E1 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86‐755)88850135 Fax: (86‐755) 88850136 Web: www.mtitest.com E‐mail: [email protected] Test Result Certification Applicant: SteriLumen, Inc Address: 3625 Kennesaw N Industrial Pkwy, Kennesaw, GA 30144 USA Manufacturer: Anhui Leking Environment Technology Co., Ltd…

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Page 1 of 2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Appendix - Test Setup Photos Model: SL-600H Radiated emissions – Below 1 GHz Radiated emissions – Above 1 GHz Page 2 of 2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Conducted emissions ----End of Report----