2A34P-S1-RFElectronic bidet seat

LSDAEWON CO. LTD 94, Robot land-ro 249beon-gil,Seo-gu, Incheon, South Korea Date: 02/23/2022 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Letter of Authorization We, the undersigned, hereby authorize Geunki Son of DT&C C o., Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: 2A34P-S1-RF including signing of all documents relating to these matters. Any and all acts carried out by Geunki Son of DT&C C o., Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from LSDAEWON CO. LTD.. “I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a).” Sincerely, Contact Name: Cheolhui Lee Title: Deputy general manager

LSDAEWON CO. LTD 94, Robot land-ro 249beon-gil,Seo-gu, Incheon, South Korea Date: 02/23/2022 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Request of Confidentiality FCC ID: 2A34P-S1-RF To Whom It may Concern: Pursuant to Sections 0.457 and 0.459 of the Commission`s Rules(CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, LSDAEWON CO. LTD.. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give LSDAEWON CO. LTD.. temporary confidentiality of commercially sensitive information prior to product release. The requested permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT & SHORT-TERM CONFIDENTIAL LIST Exhibit Description PERMANENT 1 Block Diagram 2 Schematics 3 Part Lists 4 Operation Description 5 NA SHORT-TERM 6 Internal Photos 7 User Manual 8 NA 9 NA The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be public before the date of the Grant for this application. Sincerely, Contact Name: Cheolhui Lee Title: Deputy general manager

FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 1 FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 2 FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 3

FCC ID: 2A34P-S1-RF IC : 28097-S1RF SAMPLE LABEL & LOCATION LABELLING REQUIREMENTS The Label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time of purchase - The label shown is representative of the label that will appear on the radio when in production. Other information may also be included on this label. Sample Label

FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 1 FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 2 FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 3 FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 4 FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 5 FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 6 FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. View 7 <Antenna>

FCC ID: RF featureMode Transmitting Frequency(MHz) Test separation distance (mm) ANT Gain (dBi) Max. power with tune-up tolerance (dBm) Note1 Max. power with tune-up tolerance (mW) Power thresholds SAR test exclusion thresholds ZigbeeGFSK2 440.005.01.99-5.000.316 20.103.00 Note1. Conclusion : Note. The calculation result was rounded to two decimal place for comparison. 2A34P-S1-RF Please refer to the operation description for Max tune-up power. Standalone SAR test exclusion considerations SAR evaluation for general population exposure conditions by measurement or numerical simulation is not required KDB 447498 D01 clause 4.3.1 Step 1) SAR test exclusion thresholds for 100MHz to 6GHz at test separation distances ≤ 50 mm [ ( max. power of channel, including tune-up tolerance, mW ) / ( min. test separation distance, mm ) ] · [ √f(GHz) ] ≤ 3.0 for 1g SAR and ≤ 7.5 for 10g extremity SAR Sample Calculation = [ ( 0.3162mW / 5mm ) ] X [ √2.44GHz ] = 0.1

FCC ID: 2A34P-S1-RF Report No.: DRTFCC2202-0049 IC: 28097-S1RF This test report is prohibited to copy or reissue in whole or in part without the approval of DT&C Co., Ltd. TRF-RF-238(06)210316 Pages: 2 / 32 Test Report Version Test Report No. Date Description Revised by Reviewed by DRTFCC2202-0049 Feb, 23. 2022 Initial issue JaeHyeok Bang JaeJin Lee FCC ID: 2A34P-S1-RF Report No.: DRTFCC2202-0049 IC: 28097-S1RF This test report is prohibited to copy or reissue in whole or in part without the approval of DT&C Co., Ltd. TRF-RF-238(06)210316 Pages: 3 / 32 Table of Contents 1. General Information .................................................................................... 4 1.1. Description of EUT .......................................................................................................... 4 1.2. Declaration by the applicant / manufacturer ................................................................ 4 1.3. Testing Laboratory .......................................................................................................... 5 1.4. Testing Environment ....................................................................................................... 5 1.5. Measurement Uncertainty............................................................................................... 5 1.6. Test Equipment List ........................................................................................................ 6 2. Test Methodology ........................................................................................ 7 2.1. EUT Configuration ........................................................................................................... 7 2.2. EUT Exercise .................................................................................................................... 7 2.3. General Test Procedures ................................................................................................ 7 2.4. Instrument Calibration .................................................................................................... 7 2.5. Description of Test Modes.............................................................................................. 7 3. Antenna Requirements ............................................................................... 8 4. Summary of Test Results ........................................................................... 9 5. Test Result ................................................................................................. 10 5.1. Maximum Peak Conducted Output Power .................................................................. 10 5.1.1. Test Setup .................................................................................................................. 10 5.1.2. Test Procedures ........................................................................................................ 10 5.1.3. Test Results ............................................................................................................... 10 5.2. 6 dB Bandwidth ............................................................................................................. 12 5.2.1. Test Setup .................................................................................................................. 12 5.2.2. Test Procedures ........................................................................................................ 12 5.2.3. Test Results ............................................................................................................... 12 5.3. Power Spectral Density ................................................................................................. 14 5.3.1. Test Setup .................................................................................................................. 14 5.3.2. Test Procedures ........................................................................................................ 14 5.3.3. Test Results ............................................................................................................... 14 5.4. Unwanted Emissions (Conducted) .............................................................................. 16 5.4.1. Test Setup .................................................................................................................. 16 5.4.2. Test Procedures ........................................................................................................ 16 5.4.3. Test Results ............................................................................................................... 17 5.5. Unwanted Emissions (Radiated) .................................................................................. 19 5.5.1. Test Setup .................................................................................................................. 21 5.5.2. Test Procedures ........................................................................................................ 21 5.5.3. Test Results ............................................................................................................... 22 5.6. AC Power-Line Conducted Emissions ........................................................................ 24 5.6.1. Test Setup .................................................................................................................. 24 5.6.2. Test Procedures ........................................................................................................ 24 5.6.3. Test Results ............................................................................................................... 24 5.7. Occupied Bandwidth ..................................................................................................... 27 5.7.1. Test Setup .................................................................................................................. 27 5.7.2. Test Procedures .....................…

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FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. Test Setup Photo of Radiated Measurement (0.009 ~ 30MHz) FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. Test Setup Photo of Radiated Measurement (Below 1GHz) FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. Test Setup Photo of Radiated Measurement (Above 1GHz) FCC ID: 2A34P-S1-RF IC: 28097-S1RF Copyright Ⓒ 2022, DT&C Co., Ltd. Test Setup Photo of AC Line Conducted Measurement