C3K1724BPortable Computing Device

2. English 11. Français 21. Español 2 Surface 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. This symbol identifies safety and health messages in this Device Guide 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.surface.com/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 or fire or in damage to the device. To select an appropriate power source for your device: • 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. Confirm that they are rated to handle the total current (in amps [A]) drawn by the device (indicated on the power supply unit) and any other devices that are on the same circuit. • 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 of the proper configuration for the power outlet and 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 cords. 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 heat, open, puncture, mutilate, or dispose of the product in fire. Do not leave the device in 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.surface.com/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 expose to water or other liquids, expose to fire, explosion or other hazard. • Only use the battery with a charging system that has been qualified with the system per CTIA Certification Requirements for Battery System Compliance to IEEE 1725. Use of an unqualified battery or charger may present a risk of fire, explosion, leakage, or other hazard. • 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. • Improper battery use may result in a fire, explosion or other hazard. • This device shall only be connected to CTIA certified adapters, products that bear the USB-IF logo or products that have completed the USB-IF compliance program. Warning: Use Near Water To reduce the risk of fire or shock, do not use this device near water and do not expose it to rain 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-cancel…

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Microsoft Corporation is an equal opportunity employer October 8, 2015 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Subject: Confidentiality request regarding application for certification of FCC ID: C3K1724B TO WHOM IT MAY CONCERN 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:  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, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Sahithi Kandula Compliance Engineer, Microsoft Corporation.

Microsoft Corporation is an equal opportunity employer October 5, 2015 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: C3K1724B TO WHOM IT MAY CONCERN Pursuant to CFR 47, Sections 0.457 and 0.459, we request short-term confidential treatment for the following information until 180 days after the grant date of equipment authorization is issued 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, Sahithi Kandula Compliance Engineer, Microsoft Corporation.

Microsoft Corporation is an equal opportunity employer. September 16, 2015 Federal Communications Commission Equipment Authorization branch 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) do 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; 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 the products are certified as being in conformity with specified standards; Microsoft Corporation is an equal opportunity employer. g) endeavor to ensure that no certificate or 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 the 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 Yours, Sahithi Kandula Compliance Engineer Microsoft Corporation

Microsoft Corporation is an equal opportunity employer. Model 1724 – External Photos Front Back Antenna locations Microsoft Corporation is an equal opportunity employer. Bottom Top Left Side Microsoft Corporation is an equal opportunity employer. Right Side Left side with kickstand Microsoft Corporation is an equal opportunity employer. Right side with kickstand Back with kickstand

Label Content – e label Label is an e-label located in Device FW menu which can be accessed in 3 steps. Instructions for accessing the e-label are provided to the customers. To access the regulatory information –  With device powered off, press the power and volume + buttons at the same time, and continue to hold the volume + button until the devices boots into the Firmware menu.  Then select the About tab. Microsoft Corporation Model: 1724 FCC ID: C3K1724B

Microsoft Corporation is an equal opportunity employer. Model 1724 – Internal Photos Microsoft Corporation is an equal opportunity employer. Display Antenna locations Motherboard Microsoft Corporation is an equal opportunity employer. Motherboard top side with shield cans removed Motherboard bottom side with shield can removed Microsoft Corporation is an equal opportunity employer. Antenna deck – top view

Plot No. 1 Test Laboratory: UL Verification Services Inc., SAR Lab 1 Date/Time: 8/21/2015 9:23:51 AM 20150821 SystemPerformanceCheck-D2450V2 SN 706 Frequency: 2450 MHz; Duty Cycle: 1:1; Room Ambient Temperature: 24.0°C; Liquid Temperature: 23.0°C Medium parameters used: f = 2450 MHz; σ = 2.024 S/m; ε r = 51.689; ρ = 1000 kg/m 3 DASY5 Configuration: - Area Scan Setting: Find Secondary Maximum Within: 2.0 dB and with a peak SAR value greater than 0.0012W/kg - Electronics: DAE4 Sn1352; Calibrated: 11/7/2014 - Probe: EX3DV4 - SN7356; ConvF(7.54, 7.54, 7.54); Calibrated: 4/22/2015; - Sensor-Surface: 2.5mm (Mechanical Surface Detection) - Phantom: ELI-A v5.0; Type: QDOVA002AA; Serial: TP 1194 Body/Pin=100 mW/Area Scan (8x8x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 7.00 W/kg Body/Pin=100 mW/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 56.473 V/m; Power Drift = 0.16 dB Peak SAR (extrapolated) = 11.3 W/kg SAR(1 g) = 5.41 W/kg; SAR(10 g) = 2.49 W/kg Maximum value of SAR (measured) = 7.73 W/kg 0 dB = 7.73 W/kg = 8.88 dBW/kg Plot No. 2 Test Laboratory: UL Verification Services Inc., SAR Lab 1 Date/Time: 8/21/2015 9:44:23 AM 20150821 SystemPerformanceCheck-D2450V2 SN 706 Frequency: 2450 MHz; Duty Cycle: 1:1 Body/Pin=100 mW/Z Scan (1x1x21): Measurement grid: dx=20mm, dy=20mm, dz=5mm Maximum value of SAR (measured) = 6.37 W/kg Plot No. 3 Test Laboratory: UL Verification Services Inc., SAR Lab 4 Date/Time: 8/17/2015 1:01:54 PM 20150817_SystemPerformanceCheck-D5GHzV2 SN 1138 Frequency: 5600 MHz; Duty Cycle: 1:1; Room Ambient Temperature: 24.0°C; Liquid Temperature: 23.0°C Medium parameters used: f = 5600 MHz; σ = 5.886 S/m; ε r = 46.998; ρ = 1000 kg/m 3 DASY5 Configuration: - Area Scan Setting: Find Secondary Maximum Within: 2.0 dB and with a peak SAR value greater than 0.0012W/kg - Electronics: DAE4 Sn1377; Calibrated: 8/27/2014 - Probe: EX3DV4 - SN3989; ConvF(4, 4, 4); Calibrated: 3/17/2015; - Sensor-Surface: 1.4mm (Mechanical Surface Detection) - Phantom: ELI A (v5.0); Type: QDOVA001BB; Serial: S/n:1212 Body/5.6 GHz, Pin=100mW/Area Scan (7x7x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 22.5 W/kg Body/5.6 GHz, Pin=100mW/Zoom Scan (8x8x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 55.99 V/m; Power Drift = 0.01 dB Peak SAR (extrapolated) = 37.7 W/kg SAR(1 g) = 8.73 W/kg; SAR(10 g) = 2.42 W/kg Maximum value of SAR (measured) = 20.8 W/kg 0 dB = 20.8 W/kg = 13.18 dBW/kg Plot No. 4 Test Laboratory: UL Verification Services Inc., SAR Lab 4 Date/Time: 8/17/2015 1:23:07 PM 20150817_SystemPerformanceCheck-D5GHzV2 SN 1138 Frequency: 5600 MHz; Duty Cycle: 1:1 Body/5.6 GHz, Pin=100mW/Z Scan (1x1x21): Measurement grid: dx=20mm, dy=20mm, dz=5mm Maximum value of SAR (measured) = 15.6 W/kg

Plot No. 1 Test Laboratory: UL Verification Services Inc., SAR Lab 1 Date/Time: 8/20/2015 10:44:59 AM WiFi 2.4GHz Frequency: 2457 MHz; Duty Cycle: 1:1; Room Ambient Temperature: 24.0°C; Liquid Temperature: 23.0°C Medium parameters used (interpolated): f = 2457 MHz; σ = 2.039 S/m; ε r = 51.329; ρ = 1000 kg/m 3 DASY5 Configuration: - Area Scan Setting: Find Secondary Maximum Within: 2.0 dB and with a peak SAR value greater than 0.0012W/kg - Electronics: DAE4 Sn1352; Calibrated: 11/7/2014 - Probe: EX3DV4 - SN7356; ConvF(7.54, 7.54, 7.54); Calibrated: 4/22/2015; - Sensor-Surface: 2.5mm (Mechanical Surface Detection (Locations From Previous Scan Used)), Sensor-Surface: 2.5mm (Mechanical Surface Detection) - Phantom: ELI-A v5.0; Type: QDOVA002AA; Serial: TP 1194 Edge 1 Tilt/802.11g_ch 10 MIMO/Reduced Power/Area Scan (9x30x1): Measurement grid: dx=12mm, dy=12mm Info: Interpolated medium parameters used for SAR evaluation. Maximum value of SAR (measured) = 1.22 W/kg Edge 1 Tilt/802.11g_ch 10 MIMO/Reduced Power/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 23.339 V/m; Power Drift = -0.12 dB Peak SAR (extrapolated) = 2.12 W/kg SAR(1 g) = 0.711 W/kg; SAR(10 g) = 0.258 W/kg Info: Interpolated medium parameters used for SAR evaluation. Maximum value of SAR (measured) = 1.17 W/kg Edge 1 Tilt/802.11g_ch 10 MIMO/Reduced Power/Zoom Scan 2 (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 23.339 V/m; Power Drift = -0.12 dB Peak SAR (extrapolated) = 2.01 W/kg SAR(1 g) = 0.699 W/kg; SAR(10 g) = 0.253 W/kg Info: Interpolated medium parameters used for SAR evaluation. Maximum value of SAR (measured) = 1.08 W/kg 0 dB = 1.08 W/kg = 0.33 dBW/kg Plot No. 2 Test Laboratory: UL Verification Services Inc., SAR Lab 4 Date/Time: 8/19/2015 16:56:22 Wi-Fi 5.3GHz Frequency: 5310 MHz; Duty Cycle: 1:1; Room Ambient Temperature: 24.0°C; Liquid Temperature: 23.0°C Medium parameters used: f = 5310 MHz; σ = 5.57 S/m; ε r = 47.382; ρ = 1000 kg/m 3 DASY5 Configuration: - Area Scan Setting: Find Secondary Maximum Within: 2.0 dB and with a peak SAR value greater than 0.0012W/kg - Electronics: DAE4 Sn1377; Calibrated: 8/27/2014 - Probe: EX3DV4 - SN3989; ConvF(4.77, 4.77, 4.77); Calibrated: 3/17/2015; - Sensor-Surface: 2mm (Mechanical Surface Detection (Locations From Previous Scan Used)), Sensor-Surface: 2mm (Mechanical Surface Detection) - Phantom: ELI A (v5.0); Type: QDOVA001BB; Serial: S/n:1212 Edge 1/802.11n HT40_Ch 62/Area Scan (10x33x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 1.25 W/kg Edge 1/802.11n HT40_Ch 62/Zoom Scan (7x7x12)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=2mm Reference Value = 14.36 V/m; Power Drift = -0.15 dB Peak SAR (extrapolated) = 5.87 W/kg SAR(1 g) = 0.932 W/kg; SAR(10 g) = 0.189 W/kg Maximum value of SAR (measured) = 2.36 W/kg Edge 1/802.11n HT40_Ch 62/Zoom Scan 2 (7x7x12)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=2mm Reference Value = 14.36 V/m; Power Drift = -0.15 dB Peak SAR (extrapolated) = 3.97 W/kg SAR(1 g) = 0.730 W/kg; SAR(10 g) = 0.176 W/kg Maximum value of SAR (measured) = 1.72 W/kg 0 dB = 1.72 W/kg = 2.36 dBW/kg Plot No. 3 Test Laboratory: UL Verification Services Inc., SAR Lab 4 Date/Time: 8/20/2015 11:51:03 AM Wi-Fi 5.6GHz Frequency: 5510 MHz; Duty Cycle: 1:1; Room Ambient Temperature: 24.0°C; Liquid Temperature: 23.0°C Medium parameters used: f = 5510 MHz; σ = 5.798 S/m; ε r = 47.155; ρ = 1000 kg/m 3 DASY5 Configuration: - Area Scan Setting: Find Secondary Maximum Within: 2.0 dB and with a peak SAR value greater than 0.0012W/kg - Electronics: DAE4 Sn1377; Calibrated: 8/27/2014 - Probe: EX3DV4 - SN3989; ConvF(4, 4, 4); Calibrated: 3/17/2015; - Sensor-Surface: 2mm (Mechanical Surface Detection (Locations From Previous Scan Used)), Sensor-Surface: 2mm (Mechanical Surface Detection) - Phantom: ELI A (v5.0); Type: QDOVA001BB; Serial: S/n:1212 Edge 1/802.11a_Ch 102/Area Scan (10x33x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 1.75 W/kg Edge 1/802.11a_Ch 102/Zoom Scan (7x7x12)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=2mm Reference Value = 17.33 V/m; Power Drift = -0.17 dB Peak SAR (extrapolated) = 7.07 W/kg SAR(1 g) = 1.16 W/kg; SAR(10 g) = 0.229 W/kg Maximum value of SAR (measured) = 2.92 W/kg Edge 1/802.11a_Ch 102/Zoom Scan 2 (7x7x12)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=2mm Reference Value = 17.33 V/m; Power Drift = -0.17 dB Peak SAR (extrapolated) = 3.85 W/kg SAR(1 g) = 0.705 W/kg; SAR(10 g) = 0.184 W/kg Maximum value of SAR (measured) = 1.61 W/kg 0 dB = 1.61 W/kg = 2.07 dBW/kg Plot No. 4 Test Laboratory: UL Verification Services Inc., SAR Lab 4 Date/Time: 8/21/2015 7:14:54 PM Wi-Fi 5.8GHz Frequency: 5755 MHz; Duty Cycle: 1:1; Room Ambient Temperature: 24.0°C; Liquid Temperature: 23.0°C Medium parameters used: f = 5755 MHz; σ = 6.092 S/m; ε r = 47.213; ρ = 1000 kg/m 3 DASY5 Configuration: - Area Scan Setting: Find Secondary Maximum Within: 2.0 dB and with a peak SAR value greater than 0.0012W/kg - Electronics: DAE4 Sn1377; Calibrated: 8/27/2014 - Probe: EX3DV4 - SN3989; ConvF(4.36, 4.36, 4.36); Calibrated: 3/17/2015; - Sensor-Surface: 2mm (Mechanical Surface Detection (Locations From Previous Scan Used)), Sensor-Surface: 2mm (Mechanical Surface Detection) - Phantom: ELI A (v5.0); Type: QDOVA001BB; Serial: S/n:1212 Edge 1/802.11n HT40_Ch 151/Area Scan (10x33x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 0.967 W/kg Edge 1/802.11n HT40_Ch 151/Zoom Scan (7x7x12)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=2mm Reference Value = 14.77 V/m; Power Drift = 0.20 dB Peak SAR (extrapolated) = 3.66 W/kg SAR(1 g) = 0.699 W/kg; SAR(10 g) = 0.186 W/kg Maximum value of SAR (measured) = 1.51 W/kg Edge 1/802.11n HT40_Ch 151/Zoom Scan 2 (7x7x12)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=2mm Reference Value = 14.77 V/m; Power Drift = 0.20 dB Peak SAR (extrapolated) = 4.49 W/kg SAR(1 g) = 0.667 W/kg; SAR(10 g) = 0.149 W/kg Maximum value of SAR (m…

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Head Tissue Simulating Liquids Head Tissue Parameters according to IEEE Std 1528-2013 / IEC 62209 / FCC KDB 865664 D01 Narrow- Band Solutions (±5% tolerance) Product HSL300V2 HSL450V2 HSL750V2 HSL900V2 HSL1450V2 HSL1750V2 HSL1800V2 HSL1900V2 HSL1950V2 HSL2450V2 Test Frequency (MHz) 300 450 750 835, 900 1450, 1500, 1640 1750 1800, 1900 1900 1950, 2000 2450, 2600 Main Ingredients Water, Sugar Water, Sugar Water, Sugar Water, Sugar Water, DGBE Water, DGBE Water, DGBE Water, DGBE Water, DGBE Water, DGBE Broad- Band Solutions (±5% tolerance) Product HBBL30-250V3 HBBL1350-1850V3 HBBL1550-1950V3 HBBL1900-3800V3 HBBL3500-5800V5 Test Frequency (MHz) 30-250 1400-1800 1750-1900 1950-3000 3500-5800 Main Ingredients Water, Tween Water, Tween Water, Tween Water, Tween Water, Oil Body Tissue Simulating Liquids Body Tissue (Muscle) Parameters according to FCC KDB 865664 D01 Narrow- Band Solutions (±5% tolerance) Product MSL300V2 MSL450V2 MSL750V2 MSL900V2 MSL1450V2 MSL1750V2 MSL1800V2 MSL1900V2 MSL1950V2 MSL2450V2 Test Frequency (MHz) 300 400, 450 750 835, 900 1450, 1500, 1640 1750 1800, 1900 1900 1950, 2100 2450, 2600 Main Ingredients Water, Sugar Water, Sugar Water, Sugar Water, Sugar Water, DGBE Water, DGBE Water, DGBE Water, DGBE Water, DGBE Water, DGBE Broad- Band Solutions (±5% tolerance) Product MBBL130-250V3 MBBL1350-1850V3 MBBL1550-1950V3 MBBL1900-3800V3 MBBL3500-5800V5 Test Frequency (MHz) 130-250 1350-1800 1550-1850 1950-3800 3500-5800 Main Ingredients Water, Tween Water, Tween Water, Tween Water, Tween Water, Oil

NVLAP LAB CODE 200065-0 SAR EVALUATION REPORT FCC 47 CFR § 2.1093 IEEE Std 1528-2013 For Portable Computing Device FCC ID: C3K1724B Model Name: 1724 Report Number: 15U21305-S1V3 Issue Date: 10/23/2015 Prepared for Microsoft Corporation One Microsoft Way Redmond, WA 98052 United States Prepared by UL VERIFICATION SERVICES INC. 47173 BENICIA STREET FREMONT, CA 94538, U.S.A. TEL: (510) 771-1000 FAX: (510) 661-0888 Report No.: 15U21305-S1V3 Issue Date: 10/23/2015 Page 2 of 33 UL Verification Services Inc. Doc. No.: 1.0 This report shall not be reproduced without the written approval of UL Verification Services Inc. Revision History Rev. Date Revisions Revised By V1 10/2/2015 Initial Issue -- V2 10/5/2015 Updated FCC ID Coltyce Sanders V3 10/23/2015 Updated Section 6.4.1 based on FCC guidance Coltyce Sanders Report No.: 15U21305-S1V3 Issue Date: 10/23/2015 Page 3 of 33 UL Verification Services Inc. Doc. No.: 1.0 This report shall not be reproduced without the written approval of UL Verification Services Inc. Table of Contents 1. Attestation of Test Results ......................................................................................................... 5 2. Test Specification, Methods and Procedures ............................................................................ 6 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 ......................................................................................................... 10 6. Device Under Test (DUT) Information ...................................................................................... 11 6.1. DUT Description ...................................................................................................................... 11 6.2. Wireless Technologies ............................................................................................................. 11 6.3. Nominal and Maximum Output Power ...................................................................................... 12 6.4. Power Reduction by Proximity Sensing ................................................................................... 13 6.4.1. Proximity Sensor Triggering Distance (KDB 616217 §6.2) ................................................ 14 6.4.2. Proximity Sensor Coverage (KDB 616217 §6.3) ............................................................... 15 6.4.3. Proximity Sensor Tilt Angle Assessment (KDB 616217 §6.4) ............................................ 16 6.4.4. Resulting test positions for SAR measurements ............................................................... 16 7. RF Exposure Conditions (Test Configurations) ...................................................................... 17 7.1. Standalone SAR Test Exclusion Considerations ...................................................................... 17 7.2. Required Test Configurations .................................................................................................. 18 8. Dielectric Property Measurements & System Check .............................................................. 19 8.1. Dielectric Property Measurements ........................................................................................... 19 8.2. System Check.......................................................................................................................... 21 9. Conducted Output Power Measurements ................................................................................ 23 9.1. Wi-Fi 2.4GHz (DTS Band) ....................................................................................................... 23 9.2. Wi-Fi 5GHz (U-NII Bands)........................................................................................................ 24 9.3. Bluetooth ................................................................................................................................. 26 10. Measured and Reported (Scaled) SAR Results ....................................................................... 27 10.1. Wi-Fi (DTS Band) ................................................................................................................. 28 10.2. Wi-Fi (U-NII Band) ................................................................................................................ 29 10.3. Bluetooth .............................................................................................................................. 30 11. SAR Measurement Variability ................................................................................................... 31 Report No.: 15U21305-S1V3 Issue Date: 10/23/2015 Page 4 of 33 UL Verification Services Inc. Doc. No.: 1.0 This report shall not be reproduced without the written approval of UL Verification Services Inc. 12. Simultaneous Transmission SAR Analysis ............................................................................. 32 12.1. Sum of the SAR for WLAN + Bluetooth ................................................................................ 32 Appendixes .......................................................................................................................................... 33 15U21305-S1V1 SAR_App A Photos & Ant. Locations ...................................................................... 33 15U21305-S1V1 SAR_App…

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NVLAP Lab code: 200246-0 FCC 47 CFR PART 15 SUBPART E CERTIFICATION TEST REPORT FOR PORTABLE COMPUTING DEVICE MODEL NUMBER: 1724 FCC ID: C3K 1724B REPORT NUMBER: R10880568-E2CV2 ISSUE DATE: 2015-10-08 Prepared for MICROSOFT CORPORATION ONE MICROSOFT WAY REDMOND, WA 98052, U.S.A. Prepared by UL LLC 12 LABORATORY DR. RESEARCH TRIANGLE PARK, NC 27709 USA TEL: (919) 549-1400 REPORT NO: R10880568-E2CV2 DATE: 2015-10-08 FCC ID: C3K1724B Page 2 of 437 UL LLC FORM NO: 03-EM-F00858 12 Laboratory Dr., RTP, NC 27709 TEL: (919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC. Revision History Ver. Issue Date Revisions Revised By 1 2015-10-02 Initial Issue J. Moser 2 2015-10-08 Update- DFS Data F. de Anda REPORT NO: R10880568-E2CV2 DATE: 2015-10-08 FCC ID: C3K1724B Page 3 of 437 UL LLC FORM NO: 03-EM-F00858 12 Laboratory Dr., RTP, NC 27709 TEL: (919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS ................................................................................. 7 2. TEST METHODOLOGY ..................................................................................................... 8 3. FACILITIES AND ACCREDITATION ................................................................................. 8 4. CALIBRATION AND UNCERTAINTY ................................................................................ 8 4.1. MEASURING INSTRUMENT CALIBRATION .............................................................. 8 4.2. SAMPLE CALCULATION ............................................................................................ 8 4.3. MEASUREMENT …

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