C3K1970USB dongle

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  2 CLEANING & USAGE INSTRUCTIONS Always handle your device with care to maintain its appearance. To clean, wipe the outer surface with a soft, lint-free cloth.              WARNING: Read Safety & Health Info Read this guide for important safety and health information and the terms of the Limited Warranty that apply to the Microsoft ® device that you have purchased. Keep all printed guides for future reference. Failure to follow instructions and properly set up, use, and care for this product can increase the risk of serious injury or death, or damage to the device or devices. For an online version of this guide go to: www. /support Warning: Do Not Attempt Repairs Do not attempt to take apart, open, service, or modify the product, accessories, or power supply. Doing so could present the risk of electric shock or other hazard. Any evidence of any attempt to open and/or modify this device, including any peeling, puncturing, or removal of any of the labels, will void the Limited Warranty. Warning: AC Adapter Safety Failure to take the following precautions can result in serious injury or death from electric shock                        • Use only the power supply unit and AC power cord that came with your device or that you received from an authorized Microsoft retailer. • Do not use non-standard power sources, such as generators or inverters, even if the voltage and frequency appear acceptable. Only use AC power provided by a standard wall outlet. • Do not overload your wall outlet, extension cord, power strip, or other electrical receptacle.                  !  "            !               • On devices where the AC prongs may be folded for storage, before plugging the AC adapter into a power outlet, make sure its prongs are fully extended. • On devices where the AC prongs are removable and where the power supply uses a universal adapter, before plugging the AC adapter into a power outlet, make sure the prong assembly is               fully seated into the adapter. Caution: Cable and cord safety Arrange all cables and cords so that people and pets are not likely to trip over or accidentally pull on them as they move around or walk through the area. Do not allow children to play with cables and cor ds. To avoid damaging the power cords and power supply: • Protect the power cords from being walked on. • Protect cords from being pinched or sharply bent, particularly where they connect to the power outlet, the power supply unit, and the device. • Do not jerk, knot, sharply bend, or otherwise abuse the power cords. • Do not expose the power cords to sources of heat. • Keep children and pets away from the power cords. Do not allow them to bite or chew on them. • When disconnecting the power cords, pull on the plug—do not pull on the cord. • If a power cord or power supply becomes damaged in any way, stop using it immediately. • Unplug your device during lightning storms or when unused for long periods of time. • For devices with an AC power cord that connects to the power supply, always connect the power cord according to the following instructions: 1 Plug the AC power cord into the power supply until it seats fully. 2 Plug the other end of the AC power cord into the wall outlet. 3 Warning: Battery Safety Information This device contains a built-in battery, improper use of which may result in explosion. Do not   #  #   #   #        $        direct sunlight for an extended period of time, which could cause melting or battery damage. The battery in this device is not user replaceable and should only be replaced by Microsoft or a Microsoft Authorized Service Provider. See www. /support for additional details. • Do not disassemble or open, crush, bend or deform, puncture or shred • Do not modify or remanufacture, attempt to insert foreign objects into the battery, immerse or %        &# %   # %     ' • (   "          "  &         )      * &     +  0    )444 5678 9   &  "          ;   # %#  ; #     ' • Promptly dispose of used batteries in accordance with local regulations • Avoid dropping the device or battery. If the device or battery is dropped, especially on a hard surface, and the user suspects damage, take it to a service center for inspection. • )  "         # %     ' •      "     )      #    "   90+<)=          90+<)=   Warning: Use Near Water     ;    ;#              %    or moisture. Do not attempt to dry device with a hair dryer or a microwave oven. Warning: Hearing Safety Set the volume loud enough to hear clearly in quiet surroundings, and no louder. Do not increase the volume after you start listening. Your ears can adapt over time so that high volume sounds normal, but the high volume may still damage your hearing. • Do not increase the volume to block out outside noise. The combination of outside noise and sound from your headphones can damage your hearing. Sealed or noise-canceling headphones can reduce outside noise so that you don’t have to turn up the volume. If you can’t understand someone nearby speaking normally, turn down the volume. Sound that drowns out normal speech can damage your hearing. Even with sealed or noise-canceling headphones, you should be able to hear nearby people speak. Minimize Your Time Listening to Loud Sound The more time you spend expo…

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M1176796-001 ©2021 Microsoft Corporation support.microsoft.com MS-Dev Dark Gray GMS-00149 MS-Dev Light Gray GMS-00147 YMC 1-191443.indd 118/01/2021 02:39 Siga las instrucciones que encontrará en aka.ms/PairUSBLink para emparejar su Microsoft USB Link con su dispositivo. Requiere descarga de la aplicación y PC con Windows 10. Siga as instruções em aka.ms/PairUSBLink para emparelhar o Link USB Microsoft ao dispositivo. Download do app e PC com Windows 10 necessários. Follow the instructions at aka.ms/PairUSBLink to pair your Microsoft USB Link with your device. Requires app download and Windows 10 PC. Suivez les instructions sur aka.ms/PairUSBLink pour jumeler votre USB Link de Microsoft avec votre appareil. Nécessite le téléchargement de l’application et un PC Windows 10. 1-191443.indd 218/01/2021 02:39

Microsoft Corporation is an equal opportunity employer. March 22 th 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Subject: Confidentiality request regarding application for certification of FCC ID: C3K1970 TO WHOM IT MAY CONCERN Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: • Block Diagram • Schematics • 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(d), disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Compliance Engineer, Microsoft Corporation.

Microsoft Corporation is an equal opportunity employer. March 22 th 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Subject: Short-term confidentiality request regarding application for Certification of FCC ID: C3K1970 TO WHOM IT MAY CONCERN Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we request short- term confidential treatment for the following information 180days 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, Compliance Engineer, Microsoft Corporation.

Date: 2021-03-24 FCC ID: C3K1970 A U T H O R I Z A T I O N L E T T E R To Whom It May Concern: We, the undersigned, hereby authorizes Andrea Hsia / Supervisor of Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch (“BV CPS Taoyuan”) of Taiwan 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: C3K1970 listed above, 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, 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, ----------------------------------------------- Name: Albert Huang MICROSOFT CORPORATION TEL: 86 755 86118676 E-mail: [email protected]

Microsoft Corporation is an equal opportunity employer. Subject: Authorized signatories February 26, 2019 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 AGENCY AUTHORIZATION LETTER FOR MICROSOFT EMPLOYEES To whom it may concern, I, the undersigned hereby authorize the following, to act on my behalf, as the agent(s), in all matters relating to all processes for FCC equipment authorization for Microsoft® Corporation (Grantee Code: C3K). Hasnain Syed Anindita Mitra David Johnson Michael Boucher Kyle Chen Chaitrali Limaye Wei Sun Zachary Gray Daniel Salinas Vishwas Varadanahalli Narayan Albert Huang Mengni Yin Choon Sian Ooi Nisha Nandakumar If you have any questions regarding the authorization, please don’t hesitate to contact me. Sincerely, Hasnain Syed Sr. Director, EMC/SI & RF Compliance Microsoft Corporation Email: [email protected]

Reference No.: BBKX-WTW-P20110697-1 Page 1/3 CONSTRUCTION PHOTOS OF EUT Brand: MICROSOFT, Model: 1970 Reference No.: BBKX-WTW-P20110697-1 Page 2/3 Reference No.: BBKX-WTW-P20110697-1 Page 3/3

Reference No.: BBKX-WTW-P20110697-2 Page 1/3 CONSTRUCTION PHOTOS OF EUT Brand: MICROSOFT, Model: 1970 Reference No.: BBKX-WTW-P20110697-2 Page 2/3 Reference No.: BBKX-WTW-P20110697-2 Page 3/3

The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. This report does not imply that the product(s) has met the criteria for certification. SAR EVALUATION REPORT FCC 47 CFR § 2.1093 IEEE Std. 1528-2013 For USB Dongle FCC ID: C3K1970 Model: 1970 Report Number: 20210324-SAR-2 Issue Date: March 24, 2021 Prepared for MICROSOFT CORPORATION ONE MICROSOFT WAY REDMON, WA 98052-6399 Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Building 10, Innovation Technology Park, No. 1, Li Bin Road, Song Shan Lake Hi-Tech Development Zone Dongguan, People’s Republic of China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT No.: 20210324-SAR-2 Page 2 of 31 Page 2 of 22 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Date Revisions Revised By V1.0 March 24, 2021 Initial Issue \ Note: 1. The Measurement result for the sample received is<Pass> according to < IEEE Std. 1528- 2013> when <Accuracy Method> decision rule is applied. 2. This report is only published to and used by the applicant, and it is not for evidence purpose in China. REPORT No.: 20210324-SAR-2 Page 3 of 31 Page 3 of 22 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Table of Contents 1. Attestation of Test Results ......................................................................................................... 4 2. Test Specification, Methods and Procedures ............................................................................ 5 3. Facilities and Accreditation ........................................................................................................ 6 4. SAR Measurement System & Test Equipment .......................................................................... 7 4.1. SAR Measurement System ........................................................................................................ 7 4.2. SAR Scan Procedures ............................................................................................................... 8 4.3. Test Equipment ........................................................................................................................ 10 5. Measurement Uncertainty ......................................................................................................... 11 6. Device Under Test (DUT) Information ...................................................................................... 12 6.1. DUT Description ...................................................................................................................... 12 6.2. Wireless Technology................................................................................................................ 12 7. Conducted Output Power Measurement and tune-up tolerance ............................................ 13 7.1. Power measurement result of BT. ............................................................................................ 13 8. RF Exposure Conditions ........................................................................................................... 14 9. Dielectric Property Measurements & System Check .............................................................. 15 9.1. Dielectric Property Measurements ........................................................................................... 15 9.2. System Check.......................................................................................................................... 17 10. Measured and Reported (Scaled) SAR Results ....................................................................... 19 10.1. SAR Test Results of Bluetooth. ............................................................................................ 20 11. Simultaneous Transmission SAR Analysis ............................................................................. 21 Appendixes .......................................................................................................................................... 22 20210324-SAR-2_App A Photo .......................................................................................................... 22 20210324-SAR-2_App B System Check Plots ................................................................................... 22 20210324-SAR-2_App C Highest Test Plots ...................................................................................... 22 20210324-SAR-2_App D Cal. Certificates .......................................................................................... 22 REPORT No.: 20210324-SAR-2 Page 4 of 31 Page 4 of 22 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 1. Attestation of Test Results Applicant Name MICROSOFT CORPORATION Address ONE MICROSOFT WAY REDMON, WAY 98052-6399 Manufacturer MICROSOFT CORPORATION Address ONE MICROSOFT WAY REDMON, WAY 98052-6399 EUT Name USB Dongle Model 1970 Sample Status Normal Sample Received Date March 24, 2021 Date of Tested March 24, 2021 Applicable Standards FCC 47 CFR § 2.1093 IEEE Std. 1528-2013 KDB publication SAR Limits (W/Kg) Exposure Catego…

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Date: 2021/3/24 Dongle 3DH5 2480_Vertical-Front 5mm Communication System: UID 0, BT(0) (0); Communication System Band: BT; Frequency: 2480 MHz; Medium parameters used: f = 2480 MHz; σ = 1.859 S/m; ε r = 38.508; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(7.75, 7.75, 7.75); Calibrated: 2020/11/30; • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 23.0 • Electronics: DAE3 Sn427; Calibrated: 2020/3/31 • Phantom: ELI v5.0; Type: QDOVA002AA; Serial: 1235 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Body/Area Scan (6x6x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.298 W/kg Configuration/Body/Zoom Scan (8x8x6)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=2mm Reference Value = 7.613 V/m; Power Drift = 0.16 dB Peak SAR (extrapolated) = 0.729 W/kg SAR(1 g) = 0.101 W/kg; SAR(10 g) = 0.034 W/kg Maximum value of SAR (measured) = 0.285 W/kg 0 dB = 0.298 W/kg = -5.26 dBW/kg

Date: 2021/3/24 System Performance Check-2450MHz Communication System: UID 0, CW (0); Communication System Band: D2450 (2450.0 MHz); Frequency: 2450 MHz; Medium parameters used: f = 2450 MHz; σ = 1.826 S/m; ε r = 38.634; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY Configuration: • Probe: EX3DV4 - SN7383; ConvF(7.75, 7.75, 7.75); Calibrated: 2020/11/30; • Sensor-Surface: 2.5mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE3 Sn427; Calibrated: 2020/3/31 • Phantom: ELI v5.0; Type: QDOVA002AA; Serial: 1235 • DASY52 52.8.8(1222); SEMCAD X 14.6.10(7331) Configuration/Flat Section/Area Scan (6x8x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 6.74 W/kg Configuration/Flat Section/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 56.13 V/m; Power Drift = 0.11 dB Peak SAR (extrapolated) = 11.8 W/kg SAR(1 g) = 5.39 W/kg; SAR(10 g) = 2.44 W/kg Maximum value of SAR (measured) = 7.80 W/kg 0 dB = 6.74 W/kg = 8.29 dBW/kg

Report No.: RFBBKX-WTW-P20110697 R1 Page No. 1 / 57 Report Format Version: 6.1.1 Cancels and replaces the report No.: RFBBKX-WTW-P20110697 dated Nov. 30, 2020 FCC Test Report Report No.: RFBBKX-WTW-P20110697 R1 FCC ID: C3K1970 Test Model: 1970 Received Date: Oct. 10, 2020 Test Date: Oct. 15 ~ Nov. 25, 2020 Issued Date: Mar. 19, 2021 Applicant: MICROSOFT CORPORATION Address: ONE MICROSOFT WAY REDMOND, WA 98052-6399 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. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, Taiwan FCC Registration / Designation Number: 788550 / TW0003 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 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.: RFBBKX-WTW-P20110697 R1 Page No. 2 / 57 Report Format Version: 6.1.1 Cancels and replaces the report No.: RFBBKX-WTW-P20110697 dated Nov. 30, 2020 Table of Contents Release Control Record .................................................................................................................................. 4 1 Certificate of Conformity ...................................................................................................................... 5 2 Summary of Test Results ..................................................................................................................... 6 2.1 Measurement Uncertainty ................................................................................................................... 6 2.2 Modification Record ............................................................................................................................ 6 3 General Information .............................................................................................................................. 7 3.1 General Description of EUT ................................................................................................................ 7 3.2 Description of Test Modes ................................................................................................................... 8 3.2.1 Test Mode Applicability and Tested Channel Detail ............................................................................. 9 3.3 Duty Cycle of Test Signal .................................................................................................................. 10 3.4 Description of Support Units ............................................................................................................. 10 3.4.1 Configuration of System under Test .................................................................................................. 10 3.5 General Description of Applied Standards and References .............................................................. 11 4 Test Types and Results ...................................................................................................................... 12 4.1 Radiated Emission and Bandedge Measurement ............................................................................. 12 4.1.1 Limits of Radiated Emission and Bandedge Measurement .............................................................. 12 4.1.2 Test Instruments ................................................................................................................................ 13 4.1.3 Test Procedures ................................................................................................................................. 14 4.1.4 Deviation from Test Standard ............................................................................................................ 14 4.1.5 Test Setup .......................................................................................................................................... 15 4.1.6 EUT Operating Conditions ................................................................................................................. 16 4.1.7 Test Results ....................................................................................................................................... 17 4.2 Conducted Emission Measurement .................................................................................................. 33 4.2.1 Limits of Conducted Emission Measurement .................................................................................... 33 4.2.2 Test Instruments ................................................................................................................................ 33 4.2.3 Test Procedures ................................................................................................................................. 34 4.2.4 D…

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1 | Page Appendix A Test position Horizontal-UP 5mm Horizontal-Down 5mm Vertical-Front 5mm Vertical-Back 5mm Top Side 5mm N/A 2 | Page / Antenna location diagram

Reference No.: BBKX-WTW-P20110697_RF Page No. 1 / 4 PHOTOGRAPHS OF THE TEST CONFIGURATION Conducted Emission Test Reference No.: BBKX-WTW-P20110697_RF Page No. 2 / 4 Radiated Emission Test (Above 1GHz) Reference No.: BBKX-WTW-P20110697_RF Page No. 3 / 4 Radiated Emission Test (Below 1GHz) Reference No.: BBKX-WTW-P20110697_RF Page No. 4 / 4