EMJKKB3121WPKeyboard

Dell Pro Wireless Keyboard and Mouse KM5221W Quick Start Guide 4 © 2020 Dell Inc. or its subsidiaries.2020-09 A00 https://www.dell.com/support https://www.dell.com/regulatory_compliance Dell Peripheral Manager https://www.dell.com/support/drivers 3 USB USB Dell Pro Wireless Keyboard and Mouse KM5221W Quick Start Guide 2 3214 12 1 12

No. 669, Ruey Kuang Road Neihu Taipei, Taiwan, R.O.C. Tel: 886-2-2798-9008 Fax: 886-2-8798-1565 Declaration letter Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Declaration letter for label requirement Date: 2020-09-04 FCC ID:EMJKKB3121WP 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! ------------------------------------------------------------------- C.T. Huang Compliance Dept. / Director Phone: 886-2-2798-9008 Fax: 886-2-8797-1565 Email: [email protected]

No. 669, Ruey Kuang Road Neihu Taipei, Taiwan, R.O.C. Tel: 883-2-2798-9008 Fax: 886-2-8798-1565 Date: 2020-08-26 FCC ID: EMJKKB3121WP AUTHORIZATION LETTER To whom it may concern: We, the undersigned, hereby authorize Andrea Hsia / Supervisor of Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch (BV CPS Taoyuan) of Taiwan to act on our behalf in all manners relating to FCC application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Andrea Hsia / Supervisor of BV CPS Taoyuan on our behalf shall have the same effect as acts of our own. If you have any questions regarding the authorization, please don’t hesitate to contact us. Sincerely yours, ------------------------------------------------------------------- C.T. Huang Compliance Dept. / Director Phone: 886-2-2798-9008 Fax: 886-2-8797-1565 Email: [email protected]

Reference No.:BDKX-WTW-P20080445-ExtPho Page 1/3 CONSTRUCTION PHOTOS OF EUT Reference No.:BDKX-WTW-P20080445-ExtPho Page 2/3 Reference No.:BDKX-WTW-P20080445-ExtPho Page 3/3

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Reference No.:BDKX-WTW-P20080445-IntPho Page 1/4 CONSTRUCTION PHOTOS OF EUT Reference No.:BDKX-WTW-P20080445-IntPho Page 2/4 Reference No.:BDKX-WTW-P20080445-IntPho Page 3/4 Reference No.:BDKX-WTW-P20080445-IntPho Page 4/4 Antenna

Report No.: RFBDKX-WTW-P20080445 Page No. 1 / 24 Report Format Version: 6.1.1 FCC Test Report Report No.: RFBDKX-WTW-P20080445 FCC ID: EMJKKB3121WP Test Model: KB3121Wp Received Date: Aug. 21, 2020 Test Date: Aug. 27 to Sep. 9, 2020 Issued Date: Sep. 14, 2020 Applicant: PRIMAX ELECTRONICS LTD. Address: No. 669, Ruey Kuang Road, Neihu, Taipei, 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 FCC Registration / Designation Number: 198487 / TW2021 This report is 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. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, 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. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: RFBDKX-WTW-P20080445 Page No. 2 / 24 Report Format Version: 6.1.1 Table of Contents Release Control Record .................................................................................................................................. 3 1 Certificate of Conformity ...................................................................................................................... 4 2 Summary of Test Results ..................................................................................................................... 5 2.1 Measurement Uncertainty ................................................................................................................... 5 2.2 Modification Record ............................................................................................................................ 5 3 General Information .............................................................................................................................. 6 3.1 General Description of EUT ................................................................................................................ 6 3.2 Description of Test Modes ................................................................................................................... 7 3.2.1 Test Mode Applicability and Tested Channel Detail ............................................................................. 8 3.3 Description of Support Units ............................................................................................................... 9 3.3.1 Configuration of System under Test .................................................................................................... 9 3.4 General Description of Applied Standards .......................................................................................... 9 4 Test Types and Results ...................................................................................................................... 10 4.1 Radiated Emission and Bandedge Measurement ............................................................................. 10 4.1.1 Limits of Radiated Emission and Bandedge Measurement .............................................................. 10 4.1.2 Test Instruments ................................................................................................................................. 11 4.1.3 Test Procedures ................................................................................................................................. 12 4.1.4 Deviation from Test Standard ............................................................................................................ 12 4.1.5 Test Setup .......................................................................................................................................... 13 4.1.6 EUT Operating Conditions ................................................................................................................. 14 4.1.7 Test Results ....................................................................................................................................... 15 4.2 Channel Bandwidth ........................................................................................................................... 21 4.2.1 Test Setup .......................................................................................................................................... 21 4.2.2 Test Instruments ................................................................................................................................ 21 4.2.3 Test Procedure .................................................................................................................................. 21 4.2.4 Deviation from Test Standard ............................................................................................................ 21 4.2.5 EUT Operating Condition .................................................................................................................. 21 4.2.6 Test Results ...................…

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Reference No.: RFBDKX-WTW-P20080445 Page No. 1 / 2 PHOTOGRAPHS OF THE TEST CONFIGURATION RADIATED EMISSION TEST <Frequency Range below 1GHz> Reference No.: RFBDKX-WTW-P20080445 Page No. 2 / 2 RADIATED EMISSION TEST <Frequency Range above 1GHz>