H4IKB555Wireless Keyboard

Declaration letter Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Declaration letter for label requirement Date:2024-03-14 FCC ID: H4IKB555 The label is permanent affixed in the battery compartment, and the EUT will be selling to market without the battery installed. The users can see the label during the battery installation process. The battery cover can be opened without any special tools. Please don’t hesitate to contact us, if you have any question(s). Thank you! Sincerely yours, ----------------------------------- Chris Chuang/ EMC/Safety Engineer Lite-On Technology Corporation Tel: 886-2-8798-2888 Ext 3248 Fax: 886-2-8793-6852 E-Mail: [email protected]

Date:2024-03-11 FCC ID:H4IKB555 To the attention of Federal Communications Commission Authorization and Evaluation Division Attestation Statements Attestation Statements Part 2.911(d)(5)(i) Filing Lite-On Technology Corporation certifies that the equipment for which authorization is soughtis not “covered” equipment prohibited from receivingan equipment authorization pursuant to section 2.903 of the FCC rules. Attestation Statements Part 2.911(d)(5)(ii) Filing Lite-On Technology Corporation certifies that, as of the date of the filing of the application, the applicantis not identified on the Covered List as an entity producing “covered” equipment. Sincerely yours, ----------------------------------------------- Chris Chuang/ EMC/Safety Engineer Lite-On Technology Corporation Tel: 886-2-8798-2888 Ext 3248 Fax: 886-2-8793-6852 E-Mail: [email protected]

U.S. Agent for Service of Process Attestation To the attention of Federal Communications Commission Authorization and Evaluation Division U.S. Agent Company Name:LITE-ON TRADING USA, INC. FRN:0035182872 Contact Name:Jeffery Wang Street Address:720 South Hillview Drive City/Province/Zip:Milpitas, CA 95035 Telephone No:408-946-4873 *552 Email:[email protected] This letter is to confirm that we have accepted the responsibility to act as the designated U.S. Agent for service of process as required by §2.911(d)(7) on behalf of theApplicantnoted below. U.S. Agent Signature: Date:2024-03-28 Signed by (printed name): Jeffery Wang Applicant Company name:LITE-ON Technology Corp. FRN: 0035172865 Grantee Code or FCC ID: H4I Contact Name:Chris Chuang Street Address:16F, 392, Ruey Kuang Road, Neihu City/Province/Zip:Taipei 11492, Taiwan, R.O.C Telephone No:02-8798-2888*3248 Email:[email protected] This letter is to confirm that the Applicant has designated theU.S Agent noted above for the purpose of accepting service of process on their behalf as required by §2.911(d)(7). The Applicant further acknowledges acceptance 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. Applicant Signature: Date: 2024-03-28 Signed by (printed name): Chris Chuang

Date:2024-03-11 FCC ID:H4IKB555 To the attention of Federal Communications Commission Authorization and Evaluation Division Permanent Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: Schematics Block Diagram Operational Description The above 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. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely yours, ----------------------------------- Chris Chuang/ EMC/Safety Engineer Lite-On Technology Corporation Tel: 886-2-8798-2888 Ext 3248 Fax: 886-2-8793-6852 E-Mail: [email protected]

Date:2024-03-11 FCC ID:H4IKB555 To the attention of Federal Communications Commission Authorization and Evaluation Division Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we request short-termconfidential treatment for the following information until180 days after the Grant Date of Equipment Authorization) in order to ensure sensitive business information remains confidential until the actual marketing of the device: External photos Test Setup photos User’s manual Internal Photos Sincerely yours, ----------------------------------- Chris Chuang/ EMC/Safety Engineer Lite-On Technology Corporation Tel: 886-2-8798-2888 Ext 3248 Fax: 886-2-8793-6852 E-Mail: [email protected]

Date: 2024-03-11 FCC ID:H4IKB555 A U T H O R I Z A T I O N L E T T E R To Whom It May Concern: Lite-On Technology Corporation hereby authorizes Emerald Chen / Specialist of Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch(“BV CPS Taoyuan”), to act on its behalf in all matters relating to the Federal Communication Commission (“FCC”) application for equipment authorization in connection with the FCC ID listed above, including signing of all documents relating to these matters. Any and all acts carried out by Emerald Chen / Specialistof BV CPS Taoyuan onLite-On Technology Corporation’s behalf, within the scope of the powers granted herein, shall have the same effect as acts of its own. If you have any questions regarding the authorization, please don’t hesitate to contact us. Sincerely yours, ----------------------------------------------- Chris Chuang/ EMC/Safety Engineer Lite-On Technology Corporation Tel: 886-2-8798-2888 Ext 3248 Fax: 886-2-8793-6852 E-Mail: [email protected]

The label will be permanently affixed and readily visible. Label location FCC ID: H4IKB555 IC:4491A-KB555 In battery compartment

Report No.: AGBBDJ-WTW-P24020140 Page No. 1 / 9 Report Format Version:6.1.2 Antenna Gain Measurement Report Report No.: AGBBDJ-WTW-P24020140 Brand: LITEON Model No.: NA(PCB printing layout) Received Date: 2024/2/27 Test Date: 2024/2/27 Issued Date: 2024/3/11 Applicant: LITE-ON Technology Corp. Address: 16F, 392, Ruey Kuang Road, Neihu, Taipei 11492, Taiwan, R.O.C Manufacturer: LITE-ON Technology Corp. Address: 16F, 392, Ruey Kuang Road, Neihu, Taipei 11492, Taiwan, R.O.C Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan FCC Registration / Designation Number: 198487 / TW2021 Prepared by : , Date: 2024/3/11 Annie Chang / Senior Specialist Approved by : , Date: 2024/3/11 Jeremy Lin / Project Engineer This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our-business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Report No.: AGBBDJ-WTW-P24020140 Page No. 2 / 9 Report Format Version:6.1.2 Table of Contents Release Control Record .................................................................................................................................. 3 1 EUT Antenna System Description .................................................................................................... 4 1.1 Antenna Information.............................................................................................................................. 4 1.2 Antenna Location .................................................................................................................................. 4 2 2D Antenna Pattern Measurement .................................................................................................... 5 2.1 Test Location ......................................................................................................................................... 5 2.2 Test Measurement procedure ............................................................................................................... 5 2.3 Test Setup Diagram @ Fully Anechoic Chamber ................................................................................. 5 2.4 Test Setup Diagram for EUT ................................................................................................................. 6 2.5 Test Instruments .................................................................................................................................... 6 2.6 Measurement Uncertainty ..................................................................................................................... 6 2.7 Test Procedure ...................................................................................................................................... 7 2.8 Test Result ............................................................................................................................................ 7 2.9 2D Pattern Test Plots ............................................................................................................................ 8 Appendix - Information of the Testing Laboratories .................................................................................... 9 Report No.: AGBBDJ-WTW-P24020140 Page No. 3 / 9 Report Format Version:6.1.2 Release Control Record Issue No. Description Date Issued AGBBDJ-WTW-P24020140 Original release. 2024/3/11 Report No.: AGBBDJ-WTW-P24020140 Page No. 4 / 9 Report Format Version:6.1.2 1 EUT Antenna System Description 1.1 Antenna Information Frequency Range (GHz) Antenna Type Connector Type Max Gain (dBi) 2.4 ~ 2.4835 PCB printing None 1.37 1.2 Antenna Location Please refer to the attached file (Test Setup Photo) Report No.: AGBBDJ-WTW-P24020140 Page No. 5 / 9 Report Format Version:6.1.2 2 2D Antenna Pattern Measurement 2.1 Test Location 2D antenna pattern measurement in Fully Anechoic Chamber 2.2 Test Measurement procedure CISPR 16-1-6 ANSI 63.10-2013 clause 13 KDB 412172 D01 Determining ERP and EIRP v01r01 2.3 Test Setup Diagram @ Fully Anechoic Chamber The 2D antenna pattern measurement is using the test system (refer to Figure 1). The EUT is positioned on center of turntable, for Free Space only in fully anechoic chamber. Data (Raw Value) is recorded using the spectrum analyzer at each position. Figure 1. 2D antenna pattern test system. Report …

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Report No.: RFBBDJ-WTW-P24020140 Page No. 1 / 32 Report Format Version: 7.1.0 Reference No.: BBDJ-WTW-P24020140 TEST REPORT CERTIFICATE OF CONFORMITY Standard: 47 CFR FCC Part 15, Subpart C (Section 15.247) Report No.: RFBBDJ-WTW-P24020140 FCC ID: H4IKB555 Product: Wireless Keyboard Brand: DELL Model No.: KB555t Received Date: 2024/2/7 Test Date: 2024/2/27 ~ 2024/2/29 Issued Date: 2024/3/11 Applicant: LITE-ON Technology Corp. Address: 16F, 392, Ruey Kuang Road, Neihu, Taipei 11492, Taiwan, R.O.C Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan FCC Registration / Designation Number: 198487 / TW2021 Approved by: , Date: 2024/3/11 Jeremy Lin / Project Engineer This test report consists of 32 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. Prepared by : Annie Chang / Senior Specialist This report is governed by, and incorporates by reference, the Conditions of Testing as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our- business/cps/about-us/terms-conditions/ and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. Statements of conformity are based on simple acceptance criteria without taking measurement uncertainty into account, unless otherwise requested in writing. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Report No.: RFBBDJ-WTW-P24020140 Page No. 2 / 32 Report Format Version: 7.1.0 Reference No.: BBDJ-WTW-P24020140 Table of Contents Release Control Record ....................................................................................................................................................... 4 1 Certificate .................................................................................................................................................................... 5 2 Summary of Test Results .......................................................................................................................................... 6 2.1 Measurement Uncertainty ........................................................................................................................................ 6 2.2 Supplementary Information ...................................................................................................................................... 6 3 General Information ................................................................................................................................................... 7 3.1 General Description .................................................................................................................................................. 7 3.2 Antenna Description of EUT ..................................................................................................................................... 7 3.3 Channel List .............................................................................................................................................................. 8 3.4 Test Mode Applicability and Tested Channel Detail .................................................................................................. 9 3.5 Duty Cycle of Test Signal .......................................................................................................................................... 9 3.6 Test Program Used and Operation Descriptions .................................................................................................... 10 3.7 Connection Diagram of EUT and Peripheral Devices ............................................................................................ 10 4 Test Instruments ...................................................................................................................................................... 11 4.1 RF Output Power .................................................................................................................................................... 11 4.2 Power Spectral Density .......................................................................................................................................... 11 4.3 6 dB Bandwidth ...................................................................................................................................................... 11 4.4 Conducted Out of Band Emissions ............................................…

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