A94TR1 C2PC test report EMC.JR.427528.17.277.1.pdf

FCC ID: A94TR1

Test Report

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FCCID_3620541

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Report Number: EMC.JR.427528.17.277.1 1. Product Information NEW PRODUCT Name/Model Number: Bose Hearphones, FCC ID: A94TR1 Description: Wireless Headset REFERENCE PRODUCT 1 Name/Model Number: Bose Hearphones, FCC ID: A94TR1 Description: Wireless Headset Test Lab: Bose Corporation 1 New York Ave Framingham, MA 01701 Test Report Number: EMC.422850.16.301.3 Date of Issue: November 4, 2016 Standards: FCC Part 15.247, ANSI C63.10, KDB 558074d01 V03R05 2. Differences between reference product and new product: • A new antenna for the mainboard (PIFA type, 2.9 dBi) • Minor PCB layout change to accommodate matching components and new antenna • Inductor change to replace EOL component • Swap of the positive and negative solder pads of the battery leads on the interconnect board • shielding for the feedback microphones to eliminate audio hum 3. Rational to justify new product EMC compliance: The New Product was evaluated for requirements which would be impacted by the component changes listed above to verify continued compliance. 4. Required testing to verify new product EMC compliance: Test Type and Conditions: Test Lab: FCC Part 15.247: Maximum Conducted Output Power, Restricted Bose Corporation Band Emissions, Non-restricted Band Emissions 1 New York Ave FCC KDB 447498 D01: RF Exposure Framingham, MA 01701 5. Test Results: (See attached Reference Product Test Report(s) itemized above) Test results show that the radio performance of the New Product complies with regulatory requirements. 6. Conclusions: Based on the reference test report and the attached new test results, the New Product has demonstrated continued compliance with the regulatory requirements. Print Name: Signature: Date: Prepared By: Karl Klemm 05-Oct-17 Reviewed By: Chad Bell 05-Oct-17 Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 1 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Table of Contents Maximum Conducted Output Power ................................................................................................................................................. 3 Restricted/Non-restricted Band Emissions ........................................................................................................................................ 8 SAR Test Exclusion ......................................................................................................................................................................... 12 Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 2 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Maximum Conducted Output Power SN: 074251Z71920057AE SW: 1.5.0. Tested by: K. Klemm Date: 05-Oct-17 Equipment (TN): 2409 Test Result PASS Requirements: FCC 15.247(b) (1) (b) The maximum peak conducted output power of the intentional radiator shall not exceed the following: (1) For frequency hopping systems operating in the 2400-2483.5 MHz band employing at least 75 non-overlapping hopping channels, and all frequency hopping systems in the 5725-5850 MHz band: 1 watt. For all other frequency hopping systems in the 2400-2483.5 MHz band: 0.125 watts. Test Method: ANSI C63.10, Section 11.9.1.1 The following procedure shall be used when an instrument with a resolution bandwidth that is greater than the DTS bandwidth is available to perform the measurement: a) Set the RBW ≥ DTS bandwidth. b) Set VBW ≥ [3 × RBW]. c) Set span ≥ [3 × RBW]. d) Sweep time = auto couple. e) Detector = peak. f) Trace mode = max hold. g) Allow trace to fully stabilize. h) Use peak marker function to determine the peak amplitude level. Test setup details: The EUT is software controlled via the USB cable with software which is used to set the test modes of the Bluetooth device. The EUT antenna is disconnected and replaced with a 0.2 m long piece of flexible coax cable with an SMA connector at the measurement end. The cable has a W.FL2 connector at the product end. A 10 dB attenuator is also used. The EUT is transmitting in DH5 mode (worst case) on either the low (2402 MHz), mid (2441 MHz or 2442 MHz), or high (2480 MHz) channel. A spectrum analyzer is connected to the antenna port (through the 10 dB pad). The peak output power is measured on the low, mid, and high channels. Basic Data Rate and Enhanced Data Rate as well as BLE are measured. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 3 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Results: Output Power Frequency Reading Limit Margin Channel (MHz) Mode (dBm) (dBm) (dB) Result 0 2402 DH5 5.5 30 -24.5 PASS 39 2441 DH5 9.2 30 -20.8 PASS 78 2480 DH5 6.8 30 -23.2 PASS Output Power Frequency Reading Limit Margin Channel (MHz) Mode (dBm) (dBm) (dB) Result 0 2402 3DH5 3.8 21 -17.2 PASS 39 2441 3DH5 8 21 -13 PASS 78 2480 3DH5 5.9 21 -15.1 PASS Output Power Frequency Reading Limit Margin Channel (MHz) Mode (dBm) (dBm) (dB) Result 0 2402 BLE 5.5 21 -15.5 PASS 20 2442 BLE 9 21 -12 PASS 39 2480 BLE 6.7 21 -14.3 PASS Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 4 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT DH5 (worst case) 3DH5 Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 5 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT BLE Test Equipment: TN Description Model S/N Manufacturer Most Recent Service Service Due Date 2409 Signal and Spectrum Analyzer FSV40 101413 Rohde & Schwarz 05-Apr-2017 05-Apr-2018 Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 6 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Test Setup Photos: Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 7 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Restricted/Non-restricted Band Emissions SN: 074251Z71920014AE SW: 1.5.0. Tested by: K. Klemm Date: 16-Aug-17 Equipment (TN): 1663, 2357, 2373, 2385, 2478, 2349, 2342, 2602 Test Result PASS Requirements: FCC 15.247(d) In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated intentional radiator is operating, the radio frequency power that is produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired power, based on either an RF conducted or a radiated measurement, provided the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits based on the use of RMS averaging over a time interval, as permitted under paragraph (b)(3) of this section, the attenuation required under this paragraph shall be 30 dB instead of 20 dB. Attenuation below the general limits specified in §15.209(a) is not required. In addition, radiated emissions which fall in the restricted bands, as defined in §15.205(a), must also comply with the radiated emission limits specified in §15.209(a) (see §15.205(c)). Test setup details: The EUT is software controlled via the USB cable with software which is used to set the test modes of the Bluetooth device. The EUT antenna is connected, the measurements are made using a radiated emissions setup. The EUT is transmitting in DH5 mode (worst case) on either the low (2402 MHz), mid (2441 MHz), or high (2480 MHz) channel. Testing performed in the worst case “X” orientation. Results: It was determined that Bluetooth DH5 mode was representative of BLE mode and testing was performed in Bluetooth DH5 mode only. All emissions measured met the restricted band limits, which are more stringent than the non-restricted band limit of -20 dBc. Therefore the EUT also meets the non-restricted band requirements. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 8 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Low Channel (CH 0, 2402 MHz) FCC 15B Class B Product (Residential) @ 3 Meters Measured Measured FCC 15B Table Receiving Antenna Emission Amplitude Amplitude Limit Limit Margin Margin Azimuth Pol Height Frequency (dBµV/m) (dBµV/m) (dBµV/m) (dBµV/m) (dB) (dB) (0° (H/V) (Meters) Measurement (MHz) AVG Peak AVG Peak AVG Peak closest to Bandwidth Notes / Mode 2402.000 92.70 101.90 -- -- -- -- 199 V 3.3 100 kHz Funamental 2402.000 96.90 105.80 -- -- -- -- 178 H 3.4 100 kHz Funamental 4803.976 48.700 54.20 54.0 74.0 5.3 19.8 305 H 3 1 MHz 7205.976 36.70 47.80 54.0 74.0 17.3 26.2 29 H 1.1 1 MHz 9608.000 31.00 45.00 54.0 74.0 23.0 29.0 1 MHz noise floor 12010.000 34.00 47.80 54.0 74.0 20.0 26.2 323 H 3.0 1 MHz 14412.000 33.50 47.80 54.0 74.0 20.5 26.2 1 MHz noise floor 16814.000 35.40 49.60 54.0 74.0 18.6 24.4 1 MHz noise floor Mid channel (CH39, 2441 MHz) FCC 15B Class B Product (Residential) @ 3 Meters Measured Measured FCC 15B Table Receiving Antenna Emission Amplitude Amplitude Limit Limit Margin Margin Azimuth Pol Height Frequency (dBµV/m) (dBµV/m) (dBµV/m) (dBµV/m) (dB) (dB) (0° (H/V) (Meters) Measurement (MHz) AVG Peak AVG Peak AVG Peak closest to Bandwidth Notes / Mode 2441.000 96.10 104.80 192 V 3.1 100 kHz Funamental 2441.000 100.40 109.50 176 H 1.3 100 kHz Funamental 4882.000 45.10 51.00 54.0 74.0 8.9 23.0 319 H 1.5 1 MHz 7322.964 41.80 52.50 54.0 74.0 12.2 21.5 49 V 3.5 1 MHz 9763.964 38.10 52.30 54.0 74.0 15.9 21.7 34 V 1.3 1 MHz 12204.900 35.20 49.10 54.0 74.0 18.8 24.9 311 H 3.7 1 MHz 14646.000 33.10 47.40 54.0 74.0 20.9 26.6 1 MHz noise floor 17087.000 36.20 50.40 54.0 74.0 17.8 23.6 267 H 1.4 1 MHz High channel (CH78, 2480 MHz) FCC 15B Class B Product (Residential) @ 3 Meters Measured Measured FCC 15B Table Receiving Antenna Emission Amplitude Amplitude Limit Limit Margin Margin Azimuth Pol Height Frequency (dBµV/m) (dBµV/m) (dBµV/m) (dBµV/m) (dB) (dB) (0° (H/V) (Meters) Measurement (MHz) AVG Peak AVG Peak AVG Peak closest to Bandwidth Notes / Mode 2480.000 90.60 100.20 -- -- -- -- 60 V 2.0 100 kHz Funamental 2480.000 96.00 105.00 -- -- -- -- 169 H 1.9 100 kHz Funamental 4959.926 48.10 53.40 54.0 74.0 5.9 20.6 316 H 1.3 1 MHz 7439.953 38.90 49.10 54.0 74.0 15.1 24.9 276 H 3.9 1 MHz 9920.000 30.80 45.10 54.0 74.0 23.2 28.9 1 MHz noise floor 12399.947 34.60 48.70 54.0 74.0 19.4 25.3 311 H 1.0 1 MHz 14880.000 32.20 46.40 54.0 74.0 21.8 27.6 1 MHz noise floor 17360.000 37.70 51.90 54.0 74.0 16.3 22.1 331 H 2.8 1 MHz Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 9 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Test Equipment: Most Recent Service Due TN Description Model S/N Manufacturer Service Date Rohde & 1663 EMI Test Receiver ESU40 100098 05-Apr-2017 05-Apr-2018 Schwarz TRU-12707- TRU 2357 RF Cable 30MHz-18GHz TRU-300 03-Feb-2017 03-Feb-2018 03 Corporation RF Cable 30MHz-18GHz - 25 TRU 2373 TRU-300 N/A Verify before use feet "N" Corporation 3 Meter Semi 2385 Marconi Manor N/A AP Americas 15-Feb-2017 15-Feb-2019 Anechoic Chamber 2478 RF cable 30MHz-18GHz 257-257-3052640 N/A SRC Haverhill 03-Feb-2017 03-Feb-2018 Double Ridge Waveguide Horn 2349 3117 00152406 ETS Lindgren 23-Nov-2016 23-Nov-2017 Antenna 1-18GHz 2342 2.4GHz Band Reject Filter BRM50702-07 001 Micro-Tronics 02-Mar-2017 02-Mar-2018 AFS42-01001800-28- 2602 Miteq pre-amp 1-18GHz 35dB N/A Miteq 03-Feb-2017 03-Feb-2018 10P-42 Test Setup Photos: Rear Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 10 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Front Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 11 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT SAR Test Exclusion SN: 074251Z71920029AE SW: 1.5.0. Tested by: K. Klemm Date: 11-Aug-17 Equipment (TN): 2404, 2405, 2151 Test Result Exempt from SAR testing Requirements: From FCC KDB 447498 D01 General RF Exposure Guidance v06: 4.3. General SAR test exclusion guidance 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition(s), listed below, is (are) satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions.28 The minimum test separation distance defined in 4.1 f) is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander. To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified, typically in the SAR measurement or SAR analysis report, by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting are required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops and tablets, etc.29 a) For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR, and ≤ 7.5 for 10-g extremity SAR,30 where • f(GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation31 • The result is rounded to one decimal place for comparison • The values 3.0 and 7.5 are referred to as numeric thresholds in step b) below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1 f) is applied to determine SAR test exclusion. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 12 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Test setup details: The EUT is connected to a CBT (test set) in A2DP (sink) mode. The connection is made through a directional coupler with a power meter attached to monitor the transmissions from the EUT. Transmitter output power and duty cycle are monitored using an ETS power meter probe. Results: Duty Cycle Max Output Power D.C. Corrected Power Operating Mode (%) (dBm) (mW) (dBm) (mW) BT (A2DP sink) 3.83 9.20 8.32 -4.97 0.32 BLE (test mode) 64.17 9.00 7.94 8.14 5.10 D.C. Corrected Min. Separation Frequency Exclusion Operating Mode Power (mW) (mm) (GHz) Calculation Threshold Result BT (A2DP sink) 0 0.0 Exempt 3* 2.45 3 BLE (test mode) 5 1.6 Exempt *per KDB 447498, for separations <5 mm, use 5 mm D.C. Corrected power is rounded to the nearest mW Exclusion Calculation = (D.C. Corrected Power / Min. Separation) * √Frequency Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 13 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT BT (A2DP sink) BLE (test mode) Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 14 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Measured Distance from the inner surface of the antenna to the body side of the enclosure Outward side of the antenna Body side of the antenna Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 15 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT Test Equipment: TN Description Model S/N Manufacturer Most Recent Service Service Due Date 2404 USB RF Power Sensor 7002-006 160035 ETS Lindgren 07-Feb-2017 07-Feb-2018 2405 USB RF Power Sensor 7002-006 160033 ETS Lindgren 07-Feb-2017 07-Feb-2018 2151 Digital Caliper CD-6 12257904 Mitutoyo Verify before use Test Setup Photos: Bluetooth A2DP sink mode Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 16 of 17

DESIGN ASSURANCE ENGINEERING Certificate # 1514.1 EMC COMPLIANCE JUSTIFICATION REPORT BLE test mode Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL323063 Rev 03 Tel: (508) 766-6000 Fax: (508) 766-1145 BOSE CONFIDENTIAL Without written permission of laboratory, this report shall not be reproduced except in full. Report Number: EMC.JR.427528.17.277.1 Page 17 of 17


Document Created: 2017-10-09 15:57:53
Document Modified: 2017-10-09 15:57:53
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