FCC IC SIM TX REPORT

FCC ID: C3K1868

Test Report

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FCCID_4449493

SIMULTANEOUS TRANSMISSION TEST REPORT Report Number: R12935938-E12 Applicant : Microsoft Corporation One Microsoft Way Redmond, WA 98052-6399 USA Model : 1868 FCC ID : C3K1868 IC : 3048A-1868 EUT Description : Portable Computing Device Test Standard(s) : FCC 47 CFR PART 15 SUBPARTS C and E ISED RSS-247 ISSUE 2 ISED RSS-GEN ISSUE 5 Date Of Issue: 2019-09-06 Prepared by: UL LLC 12 Laboratory Dr. Research Triangle Park, NC 27709 U.S.A. TEL: (919) 549-1400

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 REPORT REVISION HISTORY Issue Ver. Date Revisions Revised By 1 2019-08-29 Initial Issue Brian T. Kiewra Added AC power adaptor to support equipment 2 2019-09-06 Brian T. Kiewra and removed 1867 antenna gains. Page 2 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 TABLE OF CONTENTS REPORT REVISION HISTORY ..................................................................................................2 TABLE OF CONTENTS .............................................................................................................3 1. ATTESTATION OF TEST RESULTS ..................................................................................4 2. TEST METHODOLOGY ......................................................................................................5 3. FACILITIES AND ACCREDITATION ..................................................................................5 4. CALIBRATION AND UNCERTAINTY .................................................................................6 MEASURING INSTRUMENT CALIBRATION ...............................................................6 SAMPLE CALCULATION .............................................................................................6 MEASUREMENT UNCERTAINTY ................................................................................6 5. EQUIPMENT UNDER TEST ................................................................................................7 EUT DESCRIPTION .....................................................................................................7 MAXIMUM OUTPUT POWER.......................................................................................7 DESCRIPTION OF AVAILABLE ANTENNAS ...............................................................7 SOFTWARE AND FIRMWARE .....................................................................................7 SIMULTANEOUS TRANSMISSION CONFIGURATIONS .............................................8 DESCRIPTION OF TEST SETUP.................................................................................8 6. TEST AND MEASUREMENT EQUIPMENT ........................................................................9 7. MEASUREMENT METHOD...............................................................................................10 8. SIMULTANEOUS TRANSMISSION RESULTS .................................................................11 BT GFSK 2480MHz and 5GHz WLAN 802.11ax HE20 26T RU 5 5785MHz SIMULTANEOUS TRANSMISSION ......................................................................................13 9. SETUP PHOTOS ...............................................................................................................15 END OF TEST REPORT ..........................................................................................................15 Page 3 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 1. ATTESTATION OF TEST RESULTS COMPANY NAME: Microsoft Corporation One Microsoft Way Redmond, WA 98052-6399 USA EUT DESCRIPTION: Portable Computing Device MODEL: 1868 SERIAL NUMBER: See Section 5.4 DATE TESTED: 2019-08-20 APPLICABLE STANDARDS STANDARD TEST RESULTS CFR 47 Part 15 Subparts C and E Complies ISED RSS-247 Issue 2 Complies ISED RSS-GEN Issue 5 Complies UL LLC tested the above equipment in accordance with the requirements set forth in the above standards. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. It is the manufacturer's responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. All samples tested were in good operating condition throughout the entire test program. Measurement Uncertainties are published for informational purposes only and were not taken into account unless noted otherwise. This document may not be altered or revised in any way unless done so by UL LLC and all revisions are duly noted in the revisions section. Any alteration of this document not carried out by UL LLC will constitute fraud and shall nullify the document. This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the U.S. government. Approved & Released Prepared By: For UL LLC By: Jeffrey Moser Brian T. Kiewra Operations Leader Project Engineer UL – Consumer Technology Division UL – Consumer Technology Division Page 4 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 2. TEST METHODOLOGY The tests documented in this report were performed in accordance with FCC CFR 47 Part 2, FCC CFR 47 Part 15, FCC 14-30, FCC KDB 662911 D01 v02r01, FCC KDB 789033 D02 v02r01, ANSI C63.10-2013, FCC 06-96, RSS-GEN Issue 5, and RSS-247 Issue 2. 3. FACILITIES AND ACCREDITATION The test sites and measurement facilities used to collect data are located at 12 Laboratory Drive, Research Triangle Park, NC 27709, USA and 2800 Perimeter Park Dr., Suite B, Morrisville, NC 27590, USA. The following table identifies which facilities were utilized for radiated emission measurements documented in this report. Specific facilities are also identified in the test results sections. 12 Laboratory Dr. 2800 Perimeter Park Dr. Site Code: 2180C Chamber A RTP North Chamber Chamber C RTP South Chamber UL LLC (RTP) is accredited by NVLAP, Laboratory Code 200246-0 Page 5 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 4. CALIBRATION AND UNCERTAINTY MEASURING INSTRUMENT CALIBRATION The measuring equipment utilized to perform the tests documented in this report has been calibrated in accordance with the manufacturer's recommendations, and is traceable to recognized national standards. SAMPLE CALCULATION RADIATED EMISSIONS Where relevant, the following sample calculation is provided: Field Strength (dBuV/m) = Measured Voltage (dBuV) + Antenna Factor (dB/m) + Cable Loss (dB) – Preamp Gain (dB) 36.5 dBuV + 18.7 dB/m + 0.6 dB – 26.9 dB = 28.9 dBuV/m MAINS CONDUCTED EMISSIONS Where relevant, the following sample calculation is provided: Final Voltage (dBuV) = Measured Voltage (dBuV) + Cable Loss (dB) + Limiter Factor (dB) + LISN Insertion Loss. 36.5 dBuV + 0 dB +10.1 dB+ 0 dB = 46.6 dBuV MEASUREMENT UNCERTAINTY Where relevant, the following measurement uncertainty levels have been estimated for tests performed on the apparatus: PARAMETER UNCERTAINTY All emissions, radiated 5.17 dB Temperature 2.26°C Humidity 6.79% Uncertainty figures are valid to a confidence level of 95%. Page 6 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 5. EQUIPMENT UNDER TEST EUT DESCRIPTION The EUT is a Portable Computing Device that contains 802.11 a/ac/ax/b/g/n 20/40/80/160MHz 2x2 dual band and BT/BLE radios. MAXIMUM OUTPUT POWER Refer to Model 1868 (FCC ID: C3K1868, IC: 3048A-1868) reports R12935938-E5, -E6, -E7, - E8, -E9, and -E10 for output power. DESCRIPTION OF AVAILABLE ANTENNAS Frequency Range Antenna Peak Gain (dBi) Peak Gain (dBi) (GHz) Type Chain 0 (Right) Chain 1 (Left) Model 1868 2.4 to 2.48 0.4 1.0 5.15 to 5.25 3.6 2.2 5.25 to 5.35 PIFA 5.2 3.5 5.47 to 5.72 6.4 4.7 5.725 to 5.85 7.8 4.5 The 5 GHz WLAN radio utilizes Chain 0 and chain 1. NOTE: Antenna 1 = Chain 0 Antenna 2 = Chain 1 SOFTWARE AND FIRMWARE Serial DRTU WiFi Driver EUT’s Power EUT OS Version BT Driver Version Number Version Version Supply (s/n) R-557-1868-FCC- 11.1916.0 005210692757 MTEOS 1.652.0 21.0.19157.20088 99.0.43.8 0D130P01P9596 CONDUCTED-02 -09531 R-557-1868-FCC- 11.1916.0 005216792757 MTEOS 1.652.0 21.0.19157.20088 99.0.43.8 0D130P03GE596 CONDUCTED-03 -09531 R-557-1868-FCC- 11.1916.0 013886292757 MTEOS 1.652.0 21.0.19157.20088 99.0.43.8 0D130P02KC596 RADIATED-10 -09531 R-557-1868-FCC- 11.1916.0 013891692757 MTEOS 1.652.0 21.0.19157.20088 99.0.43.8 0D130P01S7596 RADIATED-11 -09531 Page 7 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 SIMULTANEOUS TRANSMISSION CONFIGURATIONS The EUT has one intended orientation, X; therefore, all final radiated testing was performed with the EUT in X orientation. Simultaneous transmission of the following was investigated: • 5GHz and Bluetooth Per the manufacturer, no other radios transmit simultaneously. The device was found to still be compliant. DESCRIPTION OF TEST SETUP SUPPORT EQUIPMENT Support Equipment List Description Manufacturer Model Serial Number FCC ID AY2A1904000477 / USB Hub J5 Create JCA374 N/A AY6A1903004261 Earbuds Sony MDR-EX14AP Non-Serialized N/A AC Adaptor Microsoft 1706 0D130P02KC596 N/A USB Flash Drive Kingston Data Traveler G4 Non-Serialized N/A I/O CABLES I/O Cable List # of Cable Cable Connector Port Identical Cable Type Length Remarks No. Type Ports (m) 1 Mains 1 12-pin Mains <3m None 2 USB-A 1 USB-A USB <3m None 3 USB-C 1 USB-C USB <3m None 4 Aux 1 Aux Aux <3m None TEST SETUP The test utility software was located on the EUT during the tests and was used to exercised the radios. SETUP DIAGRAMS Please refer to 12935938-EP1 for setup diagrams Page 8 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 6. TEST AND MEASUREMENT EQUIPMENT The following test and measurement equipment was utilized for the tests documented in this report: Test Equipment Used - Radiated Disturbance Emissions Test Equipment (Morrisville - North Chamber) Equipment Description Manufacturer Model Number Last Cal. Next Cal. ID 1-18 GHz Double-Ridged AT0067 Waveguide Horn ETS Lindgren 3117 2019-03-22 2020-03-22 Antenna, 1 to 18 GHz Gain-Loss Chains Gain-loss string: 1- N-SAC03 Various Various 2019-03-15 2020-03-15 18GHz Receiver & Software SA0026 Spectrum Analyzer Agilent N9030A 2019-03-19 2020-03-19 SOFTEMI EMI Software UL Version 9.5 NA NA Additional Equipment used s/n 181474341 Environmental Meter Fisher Scientific 15-077-963 2018-07-27 2020-07-27 NOTES: 1. For equipment listed above that was calibrated during the testing period, please note the equipment was used for testing after calibration. 2. For equipment listed above that has a calibration due date during the testing period, the testing was completed before the equipment expiration date. Page 9 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 7. MEASUREMENT METHOD Unwanted emissions in restricted bands: KDB 789033 D02 v02r01, Section II G.3, G.5 and G.6. Unwanted emissions in non-restricted bands: KDB 789033 D02 v02r01, Section II G.3 and G.5. Page 10 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 8. SIMULTANEOUS TRANSMISSION RESULTS LIMITS FCC §15.205 and §15.209 – Restricted bands FCC §15.407(b)(1-4) – Unrestricted bands RSS-GEN, Section 8.9 and 8.10. Frequency Range Field Strength Limit Field Strength Limit (MHz) (uV/m) at 3 m (dBuV/m) at 3 m 0.009-0.490 2400/F(kHz) @ 300 m - 0.490-1.705 24000/F(kHz) @ 30 m - 1.705 - 30 30 @ 30m - 30 - 88 100 40 88 - 216 150 43.5 216 - 960 200 46 Above 960 500 54 After January 01, 2019 for Outside of the Restricted Bands Emissions RSS 247 Issue 2 Sections 6.2.1.2 (for 5150-5250 MHz band) 6.2.2.2 (for 5250-5350 MHz band) 6.2.3.2 (for 5470-5600 MHz and 5650-5725 MHz bands) 6.2.4.2 (for 5725-5850 MHz band) NCC LP0002 §2.7 and §2.8 Frequency Range Field Strength Limit Field Strength Limit (MHz) (uV/m) at 3 m (dBuV/m) at 3 m 30 - 88 100 40 88 - 216 150 43.5 216 - 960 200 46 Above 960 500 54 TEST PROCEDURE The EUT is placed on a non-conducting table 1.5 m above the ground plane for measurements above 1GHz. The antenna to EUT distance is 3 meters. The EUT is configured in accordance with ANSI C63.10. The EUT is set to transmit in a continuous mode. For pre-scans above 1 GHz the resolution bandwidth is set to 1 MHz; the video bandwidth is set to 30 KHz for peak measurements. For final measurements above 1 GHz the resolution bandwidth is set to 1 MHz and the video bandwidth is set to 3 MHz for peak measurements and as applicable for average measurements. Detector used was RMS average detector. Page 11 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 The spectrum below 1 to 18GHz is investigated with the transmitter set to the modes and channels with the highest output power and PSD. The frequency range of interest is monitored at a fixed antenna height and EUT azimuth. The EUT is rotated through 360 degrees to maximize emissions received. The antenna is scanned from 1 to 4 meters above the ground plane to further maximize the emission. Measurements are made with the antenna polarized in both the vertical and the horizontal positions. Page 12 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 BT GFSK 2480MHz and 5GHz WLAN 802.11ax HE20 26T RU 5 5785MHz SIMULTANEOUS TRANSMISSION HORIZONTAL VERTICAL Page 13 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 Meter AT0067 Corrected Peak PK UNII Non- PK Frequency Amp/Cbl/Fltr/Pad Filter Avg Limit Margin Azimuth Height Reading Det AF Reading Limit Margin Restricted Margin Polarity (GHz) (dB) (dB) (dBuV/m) (dB) (Degs) (cm) (dBuV) (dBuV/m) (dBuV/m) (dBuV/m) (dB) (dBuV/m) (dB) * ** 3.83094 40.17 PK-U 33.5 -20.2 .7 54.17 - - 74 -19.83 68.2 -14.03 83 298 H * ** 3.83102 28.28 ADR 33.5 -20.2 .7 42.28 54 -11.72 - - - - 83 298 H * ** 3.83102 28.64 V1TR 33.5 -20.2 .7 42.64 54 -11.36 - - - - 83 298 H * ** 3.83626 40.44 PK-U 33.5 -20.2 .7 54.44 - - 74 -19.56 68.2 -13.76 1 150 V * ** 3.83627 28.28 ADR 33.5 -20.2 .7 42.28 54 -11.72 - - - - 1 150 V * ** 3.83631 28.65 V1TR 33.5 -20.2 .7 42.65 54 -11.35 - - - - 1 150 V * ** 11.6544 41.23 PK-U 38.4 -26.3 0 53.33 - - 74 -20.67 68.2 -14.87 344 334 H * ** 11.65441 30.07 ADR 38.4 -26.3 0 42.17 54 -11.83 - - - - 344 334 H * ** 11.6544 30.63 V1TR 38.4 -26.3 0 42.73 54 -11.27 - - - - 344 334 H * ** 11.65485 43.98 PK-U 38.4 -26.3 0 56.08 - - 74 -17.92 68.2 -12.12 317 206 V * ** 11.65484 32.98 ADR 38.4 -26.3 0 45.08 54 -8.92 - - - - 317 206 V * ** 11.65485 33.63 V1TR 38.4 -26.3 0 45.73 54 -8.27 - - - - 317 206 V * ** 17.74376 34.15 PK-U 41.1 -20.4 0 54.85 - - 74 -19.15 68.2 -13.35 258 233 H * ** 17.7438 22.07 ADR 41.1 -20.4 0 42.77 54 -11.23 - - - - 258 233 H * ** 17.74383 22.51 V1TR 41.1 -20.4 0 43.21 54 -10.79 - - - - 258 233 H * ** 17.74768 33.97 PK-U 41.1 -20.6 0 54.47 - - 74 -19.53 68.2 -13.73 246 181 V * ** 17.74773 22.03 ADR 41.1 -20.6 0 42.53 54 -11.47 - - - - 246 181 V * ** 17.74773 22.37 V1TR 41.1 -20.6 0 42.87 54 -11.13 - - - - 246 181 V 9.99993 38.24 PK-U 37.1 -27.3 0 48.04 - - - - 68.2 -20.16 8 119 H 9.99994 27.49 ADR 37.1 -27.3 0 37.29 - - - - - - 8 119 H 9.99992 27.86 V1TR 37.1 -27.3 0 37.66 - - - - - - 8 119 H 10.00013 38.7 PK-U 37.1 -27.3 0 48.5 - - - - 68.2 -19.7 114 115 V 10.00013 29.02 ADR 37.1 -27.3 0 38.82 - - - - - - 114 115 V 10.00016 29.28 V1TR 37.1 -27.3 0 39.08 - - - - - - 114 115 V * - indicates frequency in CFR47 Pt 15 / IC RSS-Restricted Band ** - indicates frequency in Taiwan NCC LP0002 Restricted Band PK-U: Maximum Peak ADR: AD primary method, RMS average V1TR: VB=1/Ton, Average where: Ton is packet duration Page 14 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC

REPORT NO: R12935938-E12 DATE: 2019-09-06 FCC ID: C3K1868 IC: 3048A-1868 9. SETUP PHOTOS Please refer to R12935938-EP1 for setup photos END OF TEST REPORT Page 15 of 15 UL LLC 12 Laboratory Dr., RTP, NC 27709; USA TEL:(919) 549-1400 This report shall not be reproduced except in full, without the written approval of UL LLC


Document Created: 2019-10-07 18:15:07
Document Modified: 2019-10-07 18:15:07
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