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C3K2147Wireless input device

Microsoft Corporation

Application Details

Equipment Class
DTS - Digital Transmission System
Date of Grant
Aug 28, 2026
Application Purpose
Original Equipment
Equipment Note
Wireless input device
Frequency Range
2402.00000000 - 2480.00000000
Company
Microsoft Corporation
Country
United States

Documents & Files

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Attestation Statements

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Cover Letter(s)

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ID Label/Location Info

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RF Exposure Info

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Test Report

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Attestation Statements

Date: 8/5/2026 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: C3K2147 1. Microsoft Corporation (“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. 2. Microsoft Corporation (“the applicant”) certifies that, the device does not have cybersecurity and / or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, identified on the Covered List installed on the device, nor will it be installed by the applicant anytime after certification. 3. Microsoft Corporation (“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 and is not an affiliate or subsidiary of an entity identified on the Covered List. 4. Microsoft Corporation (“the applicant") certifies that the RF device is not a router “produced in a foreign country”. Sincerely, Vishwas Varadanahalli Narayan Radio Test Engineer 2, Microsoft Corporation

Attestation Statements

Date: March 23, 2026 FederalCommunicationsCommissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(7) Agent Designation Attestation Grantee Code: C3K To whom it may concern: Microsoft Corporation (“the applicant”)as required by section §2.911(d)(7), will also serve as the agent for service of process. The applicant acknowledges that they will maintain an agent for no less than one year after thegranteehas terminatedall marketing andimportationortheconclusion ofanyCommission- related proceeding involving the equipment. The applicant further acknowledges their responsibility under CFR 47 §2.929(c) to inform the FCC whenever the agent information changes. Company Name:MicrosoftCorporation Contact Person: Hasnain Syed FCC FRN: 0006275291 CompanyUSAddress:OneMicrosoftWay,RedmondWA98052 Email: [email protected] Sincerely, Name: Hasnain Syed Title/Company: Sr. Director EMC/SI/RF Compliance, Microsoft Corporation

Attestation Statements

Microsoft Corporation is an equal opportunity employer. Date: 8/12/2026 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: Part 15 Subpart E U-NII-4 Attestation Letter To whom it may concern: We, Microsoft Corporation, attest that this device under FCC ID: C3K2147 complies with the device protocol requirements and operational restrictions noted in Part 15E of the FCC’s rules for the band 5850 – 5925 MHz (UNII-4) and as detailed in Section 3 of KDB 291074 D02 1) This client device will not directly connect to another client device. 2) This client device will only associate and connect with an indoor Access Point (AP) or indoor Subordinate. 3) This client device will always be under the control of an indoor AP. However, there may exist situations where the client may transmit brief messages, prior to being under the control of an AP, to join an AP network. But these brief messages will only occur if the client has detected a signal confirming that an AP is operating on a particular channel. These brief messages have a time-out mechanism if the client does not receive a response from an AP. Sincerely, Vishwas Varadanahalli Narayan) Radio Test Engineer2 Microsoft Corporation

Cover Letter(s)

Microsoft Corporation is an equal opportunity employer. 08/19/2026 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 To whom it may concern: I, the undersigned, hereby authorize UL Verification Services Inc. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by UL Verification Services Inc. on our behalf shall have the same effect as acts of our own. 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). In authorizing UL Verification Services Inc. as our representative, we still recognize that we are responsible to: a) Comply with the relevant provisions of the certification program; b) Make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) Make claims regarding certification only in respect of the scope for which certification has been granted; d) Not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; Microsoft Corporation is an equal opportunity employer. e) Upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) Use certification only to indicate that products are certified as being in conformity with specified standards; g) Endeavor to ensure that no certificate nor report nor any part thereof is used in a misleading manner; h) Ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) Keep a record of all complaints made known to us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the when requested; j) Take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) Document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely, Vishwas Varadanahalli Narayan Radio Test Engineer 2, Microsoft Corporation.

Cover Letter(s)

Microsoft Corporation is an equal opportunity employer. 07/17/2026 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality for FCC ID: C3K2147 To Whom It May Concern: Pursuant to the provisions of the Commission’s rules 47 CFR sections 0.457(d) and 0.459, we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. • Block Diagram • Schematics • Operational Description and associated KDB inquiry details The above mentioned documents contain detailed system and equipment descriptions that are considered as proprietary information in the operation of the equipment. Public disclosure of the above documents might be harmful to our company and would give competitors an unfair advantage in the market. In additional to above mentioned documents, pursuant to Public Notice DA 04- 1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we are requesting the commission to grant short-term confidentiality on the following attachments until 2/22/2027. Microsoft Corporation is an equal opportunity employer. • External Photos • Test Setup Photos • User’s Manual • Internal Photos It is our understanding that all measurement test reports, FCC ID label format and correspondence during certification review process cannot be granted as confidential documents and the information will be available for public review once the grant of equipment authorization is issued. Sincerely, Vishwas Varadanahalli Narayan Radio Test Engineer 2, Microsoft Corporation.

RF Exposure Info

Plots of System Verification Appendix A. Plots of System Verification The plots for system verification are shown as follows. Report No.: SFBEMX-WTW-P26040284 R1 Cancels and replaces the report no. : SFBEMX-WTW-P26040284 dated on 2026/7/15 Plots of System Verification Measurement Report S01 System Check H2450_260424 Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type D2450V2, 10.0 x 10.0 x 290.0 Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, , CW, 0-- 2450.000, 0 7.09 1.80 39.2 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2122 H19T27N9 , 2026-04-24 EX3DV4 - SN3650, 2026-01-26 DAE4 Sn1341, 2026-03-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 48.0 x 96.0 35.0 x 35.0 x 30.0 Grid Steps [mm] 12.0 x 12.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Measurement Results Area Scan Zoom Scan Date 2026-04-24 2026-04-24 psSAR1g [W/kg] 2.77 2.83 psSAR10g [W/kg] 1.29 1.31 Power Drift [dB] -0.16 -0.07 Report No.: SFBEMX-WTW-P26040284 R1 Cancels and replaces the report no. : SFBEMX-WTW-P26040284 dated on 2026/7/15 Plots of System Verification Measurement Report S02 System Check_H5250_260424 Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type D5GHzV2, 10.0 x 10.0 x 300.0 Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, , CW, 0-- 5250.000, 0 5.57 4.52 35.3 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2122 H50T60N9 , 2026-04-24 EX3DV4 - SN3650, 2026-01-26 DAE4 Sn1341, 2026-03-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 24.0 x 24.0 x 22.0 Grid Steps [mm] 10.0 x 10.0 4.0 x 4.0 x 1.4 Sensor Surface [mm] 3.0 1.4 Measurement Results Area Scan Zoom Scan Date 2026-04-24 2026-04-24 psSAR1g [W/kg] 3.76 3.80 psSAR10g [W/kg] 1.03 1.06 Power Drift [dB] 0.15 0.01 Report No.: SFBEMX-WTW-P26040284 R1 Cancels and replaces the report no. : SFBEMX-WTW-P26040284 dated on 2026/7/15 Plots of System Verification Measurement Report S03 System Check_H5600_260424 Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type D5GHzV2, 10.0 x 10.0 x 300 Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, , CW, 0-- 5600.000, 0 5.11 4.90 34.7 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2122 H50T60N9 , 2026-04-24 EX3DV4 - SN3650, 2026-01-26 DAE4 Sn1341, 2026-03-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 24.0 x 24.0 x 22.0 Grid Steps [mm] 10.0 x 10.0 4.0 x 4.0 x 1.4 Sensor Surface [mm] 3.0 1.4 Measurement Results Area Scan Zoom Scan Date 2026-04-24 2026-04-24 psSAR1g [W/kg] 4.18 4.20 psSAR10g [W/kg] 1.18 1.20 Power Drift [dB] -0.11 0.02 Report No.: SFBEMX-WTW-P26040284 R1 Cancels and replaces the report no. : SFBEMX-WTW-P26040284 dated on 2026/7/15 Plots of System Verification Measurement Report S04 System Check_H5800_260424 Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type D5GHzV2, 10.0 x 10.0 x 300.0 Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, , CW, 0-- 5800.000, 0 5.04 5.12 34.4 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2122 H50T60N9 , 2026-04-24 EX3DV4 - SN3650, 2026-01-26 DAE4 Sn1341, 2026-03-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 24.0 x 24.0 x 22.0 Grid Steps [mm] 10.0 x 10.0 4.0 x 4.0 x 1.4 Sensor Surface [mm] 3.0 1.4 Measurement Results Area Scan Zoom Scan Date 2026-04-24 2026-04-24 psSAR1g [W/kg] 3.98 4.02 psSAR10g [W/kg] 1.13 1.15 Power Drift [dB] 0.02 0.02 Report No.: SFBEMX-WTW-P26040284 R1 Cancels and replaces the report no. : SFBEMX-WTW-P26040284 dated on 2026/7/15 Plots of System Verification Measurement Report S06 System Check_H5800_260424 Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type D5GHzV2, 10.0 x 10.0 x 300.0 Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, , CW, 0-- 5800.000, 0 5.04 5.12 34.4 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2122 H50T60N9 , 2026-04-24 EX3DV4 - SN3650, 2026-01-26 DAE4 Sn1341, 2026-03-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 24.0 x 24.0 x 22.0 Grid Steps [mm] 10.0 x 10.0 4.0 x 4.0 x 1.4 Sensor Surface [mm] 3.0 1.4 Measurement Results Area Scan Zoom Scan Date 2026-04-24 2026-04-24 psSAR1g [W/kg] 3.98 4.02 psSAR10g [W/kg] 1.13 1.15 Power Drift [dB] 0.02 0.02 Report No.: SFBEMX-WTW-P26040284 R1 Cancels and replaces the report no. : SFBEMX-WTW-P26040284 dated on 2026/7/15 Plots of System Verification Measurement Report S05 System Check H2450_260424 Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type D2450V2, 10.0 x 10.0 x 290.0 Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, , CW, 0-- 2450.000, 0 7.09 1.80 39.2 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2122 H19T27N9 , 2026-04-24 EX3DV4 - SN3650, 2026-01-26 DAE4 Sn1341, 2026-03-11 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 48.0 x 96.0 3…

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RF Exposure Info

SAR Test Report Report Format Version 8.0.0 Page No. : 1 of 27 Report No. : SFBEMX-WTW-P26040284 R1 Issued Date : 2026/8/19 Cancels and replaces the report no. : SFBEMX-WTW-P26040284 dated on 2026/7/15 SAR Test Report FCC Rule Part : CFR §2.1093 Standards : IEEE Std 1528:2013, KDB 865664 D01 v01r04, KDB 865664 D02 v01r02, KDB 248227 D01 v02r02, KDB 447498 D01 v06 Report No. : SFBEMX-WTW-P26040284 R1 Applicant : MICROSOFT CORPORATION Address : ONE MICROSOFT WAY REDMOND, WA 98052-6399, U.S.A Product : Wireless input device FCC ID : C3K2147 Brand : Microsoft Corporation Model No. : 2147 Sample Received Date : 2025/12/24 Date of Testing : 2026/4/24 Lab Address : No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location : No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City, Taiwan FCC Accredited No. : TW0003 CERTIFICATION: The above equipment have been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch–Lin Kou Laboratories, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s SAR characteristics under the conditions specified in this report. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product certification, approval, or endorsement by TAF or any government agencies. Prepared By : Lena Wang / Specialist Approved By : Gordon Lin / Manager 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. SAR Test Report Report Format Version 8.0.0 Page No. : 2 of 27 Report No. : SFBEMX-WTW-P26040284 R1 Issued Date : 2026/8/19 Cancels and replaces the report no. : SFBEMX-WTW-P26040284 dated on 2026/7/15 Table of Contents Release Control Record ............................................................................................................................................................... 3 1. Test Reference Guidance ...................................................................................................................................................... 4 2. Summary of Maximum SAR Value ....................................................................................................................................... 5 3. Description of Equipment Under Test ................................................................................................................................. 6 4. SAR Measurement System ................................................................................................................................................... 7 4.1 Definition of Specific Absorption Rate (SAR) ............................................................................................................... 7 4.2 SPEAG DASY6 System ............................................................................................................................................... 7 4.2.1 Robot ............................................................................................................................................................... 8 4.2.2 Probes ............................................................................................................................................................. 9 4.2.3 Data Acquisition Electronics (DAE) .................................................................................................................. 9 4.2.4 Phantoms ......................................................................................................................................................... 9 4.2.5 Device Holder ................................................................................................................................................ 10 4.2.6 System Validation Dipoles ............................................................................................................................. 11 4.2.7 Power Source ................................................................................................................................................ 11 4.2.8 Tissue Simulating Liquids .............................................................................................................................. 12 4.3 SAR System Verification ........…

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Test Report

Report No.: RFBEMX-WTW-P26040284-1 Page No. 1 / 65 Report Format Version: 7.2.0 Reference No.: BEMX-WTW-P26040284 TEST REPORT CERTIFICATE OF CONFORMITY Standard: 47 CFR FCC Part 15, Subpart C (Section 15.247) Report No.: RFBEMX-WTW-P26040284-1 FCC ID: C3K2147 Product: Wireless input device Brand: Microsoft Corporation Model No.: 2147 Received Date: 2025/12/24 Test Date: 2026/2/2 ~ 2026/6/9 Issued Date: 2026/7/17 Applicant: MICROSOFT CORPORATION Address: ONE MICROSOFT WAY REDMOND, WA 98052-6399, U.S.A 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: 2026/7/17 Jeremy Lin / Project Engineer This test report consists of 65 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 : Jessica Cheng / 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.: RFBEMX-WTW-P26040284-1 Page No. 2 / 65 Report Format Version: 7.2.0 Reference No.: BEMX-WTW-P26040284 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 ........................................................................................................................................ 10 3.6 Test Program Used and Operation Descriptions .................................................................................................... 12 3.7 Connection Diagram of EUT and Peripheral Devices ............................................................................................ 12 3.8 Configuration of Peripheral Devices and Cable Connections ................................................................................ 13 4 Test Instruments ...................................................................................................................................................... 14 4.1 RF Output Power .................................................................................................................................................... 14 4.2 Power Spectral Density .......................................................................................................................................... 14 4.3 6 dB Bandwidth ................................................................................…

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Test Report

Report No.: RFBEMX-WTW-P26040284-2 Page No. 1 / 81 Report Format Version: 7.2.0 Reference No.: BEMX-WTW-P26040284 TEST REPORT CERTIFICATE OF CONFORMITY Standard: 47 CFR FCC Part 15, Subpart C (Section 15.247) Report No.: RFBEMX-WTW-P26040284-2 FCC ID: C3K2147 Product: Wireless input device Brand: Microsoft Corporation Model No.: 2147 Received Date: 2025/12/24 Test Date: 2026/2/3 ~ 2026/6/9 Issued Date: 2026/7/17 Applicant: MICROSOFT CORPORATION Address: ONE MICROSOFT WAY REDMOND, WA 98052-6399, U.S.A 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: 2026/7/17 Jeremy Lin / Project Engineer This test report consists of 81 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 : Jessica Cheng / 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.: RFBEMX-WTW-P26040284-2 Page No. 2 / 81 Report Format Version: 7.2.0 Reference No.: BEMX-WTW-P26040284 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 ...................................................................................................................…

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Contact Information

Applicant

Hasnain Syed(SR. DIR EMC/SI&RF COMPLIANCE)
[email protected]Fax: +1(425)-936-7329

Technical Contact

Microsoft CorporationHasnain Syed
[email protected]

One Microsoft Way · Redmond, 98052 · United States

Test Firm

Bureau Veritas CPS(H.K.) Ltd., Taoyuan BranchKen Liu
[email protected]Fax: +886-3-211-5834

Technical Specifications

#Rule PartsFrequency RangePower Output
115C2.40 GHz - 2.48 GHz3.00 mW
215C2.40 GHz - 2.48 GHz3.00 mW
315C2.41 GHz - 2.46 GHz215.00 mW
Confidentiality
Long Term
Grant Notes
Output power listed is average conducted. This device supports 20MHz bandwidth for 2.4GHz WIFI. End-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. The highest reported SAR for Extremity use condition is 0.39 W/Kg(10g).

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