Test report_BLE_Rev2.pdf

FCC ID: A94423376

Test Report

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FCCID_3807942

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Test Type: Emissions [X] Immunity [] Product Type: Wireless Headphones Product Name/Number: Model Number: 423376 FCC ID: A94423376 IC: 3232A-423376 Prepared For: Design Assurance Engineering Department, Bose Corporation Test Results: Pass [X] Fail [] Applicable Standards: FCC CFR 47 PART 15 SUBPART C Industry Canada RSS-247 Issue 2 Industry Canada RSS-GEN Issue 4 Report Number: EMC.423376.18.75.1 General Comments/Special Test Conditions: This report relates only to the items tested. This report covers EMC marking requirements for Enter product and any special modifications or test conditions. Print Name Signature Date Prepared By: Brent DeWitt March 16, 2018 Electrical Engineer Review* Chad Bell March 29, 2018 By: * Since every test result is separately reviewed after its completion, the electrical engineer review indicated above represents a higher level review to ensure this report lists and contains all applicable and appropriate requirements. If the report carries the “accredited” logo, the reviewer must verify all the tests in this report are covered under the current ISO17025 accreditation. The A2LA-accredited logo must be removed if any of the tests in the report are not performed under the current scope of accreditation. It is the responsibility or the reviewer to ensure the A2LA advertising policy is followed. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 1 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Table of Contents Tests Performed (Table of Contents): Test Report Summary ....................................................................................................................................................................... 3 6dB Bandwidth .................................................................................................................................................................................. 5 99% Bandwidth.................................................................................................................................................................................. 8 Conducted Output Power ................................................................................................................................................................ 11 Power Spectral Density ................................................................................................................................................................... 14 Conducted Spurious Emissions ...................................................................................................................................................... 17 Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 2 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Test Report Summary Product Information: Description The EUT is a wireless headphone that contains Bluetooth/BLE transceivers, manufactured by Cambridge Silicon Radio, CSR8670. The EUT uses Adaptive Frequency Hopping (AFH) mode, using a reduced hop set if interference is detected in band, however a maximum of 20 channels is always maintained.. Setup (Cables and Accessories) Radiated emission and power line conducted emission were performed with the EUT playing IEC pink noise over the BT link. EUT is not sold with a power supply so when necessary a Bose model number PSA05F- 050QBT1 power supply was used for charging. For radio tests the BT radio was configured with CSR Blue Suite software (details provided in SOFTWARE AND FIRMWARE section). EUT Antenna Description The antenna is an internal inverted F antenna with antenna gain of 3.8dBi formed by printed circuit board etch. SOFTWARE AND FIRMWARE The firmware installed in the EUT during testing was version 0.1.5 The test utility software used during testing was Polycomm, version 0.2.1.0 and CSR Blue Suite version 2.6.2. Scope: This report covers EMC requirements. FCC CFR 47 PART 15 SUBPART C, Industry Canada RSS-247 Issue 2, and Industry Canada RSS-GEN Issue 4.. Test Objective: Verify product meets all applicable EMC requirements. Results: Product complies with all applicable EMC requirements. All final results represent worst-case emissions and/or immunity. Conclusions: The device under test (D.U.T.): [X] meets all test standards selected in section 2 of this report. [ ] does not meet all test standards selected in section 2 of this report. Affirmation of Test Results: Print Name Signature Date Testing Engineer/Technician Brent DeWitt March 16, 2018 Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 3 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Test Standards Emissions: Standard [X] FCC Part 15C [X] Canada RSS-247 [X] Canada RSS-GEN [X] FCC KDB 558074 D01 DTS measurement guidance v04 Environmental Conditions Ambient: Temperature: 22±4°C Humidity: 30-60%RH Mains Voltage: [X] 120VAC MEASUREMENT METHODS Duty Cycle: KDB 558074 D01 Section 6.0 6 dB BW: KDB 558074 D01, Section 8.1. 99% Occupied Bandwidth: ANSI C63.10-2013, Section 6.9.3 Output Power: KDB 558074 D01 Section 9.1.2 Power Spectral Density: KDB 558074 D01 Section 10.2. Out-of-band emissions in non-restricted bands: KDB 558074 D01 Section 11.0. Out-of-band emissions in restricted bands: KDB 558074 D01 Section 12.2.5.2 General Radiated Emissions: ANSI C63.10:2013 Sections 6.3-6.6 Line Conducted Emissions: ANSI C63.10:2013 Sections 6.2 FCC Test Site Accreditation. Canadian Test Site Registration. Radiated emissions below 1GHz were performed in Test Site 3232A-1. Radiated emissions above 1GHz were performed in Test Site 3232A-2. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 4 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 6dB Bandwidth Requirement: FCC 15.247(a)(2); IC RSS-247 5.2 (1) The minimum 6 dB bandwidth shall be at least 500 kHz. Test Procedure: The transmitter output is connected to a spectrum analyzer. The RBW is set to 1-5% of the 99% Occupied Bandwidth. The VBW is set to ≥ RBW. The sweep time is coupled. Test Results: DTS Bandwidth Summary Table (BLE) Frequency DTS BW Limit Margin Channel Mode Result (MHz) (kHz) (kHz) (kHz) Low 2402 BLE 696.7 500 -196.7 Pass Middle 2440 BLE 690.0 500 -190.0 Pass High 2480 BLE 693.3 500 -193.3 Pass The minimum 6dB bandwidth measured between vertical markers labeled F1 and F2 is 690.0 kHz which is more than the 500kHz minimum required. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 5 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 The minimum 6dB bandwidth measured between vertical markers labeled F1 and F2 is 696.7 kHz which is more than the 500kHz minimum required. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 6 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 The minimum 6dB bandwidth measured between vertical markers labeled F1 and F2 is 693.3 kHz which is more than the 500kHz minimum required. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 7 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 99% Bandwidth Requirement: None; for reporting purposes, only. Test per FCC 15.247(a)(1); IC RSS-247 5.1 (1), RSS-Gen 6.6. Test Procedure: The transmitter output is connected to a spectrum analyzer. The RBW is set to 1-5% of the 99% Occupied Bandwidth. The VBW is set to ≥ RBW. The sweep time is coupled. Test Results: 99% Bandwidth Summary Table (BLE) Frequency 99% Bandwidth Channel Mode (MHz) (kHz) Low 2402 DH5 1023.3 Middle 2440 DH5 1018.3 High 2480 DH5 1018.3 The minimum 99% bandwidth measured between markers labeled T1 and T2 is 1018.3 kHz. ` Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 8 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 The minimum 99% bandwidth measured between markers labeled T1 and T2 is 1023.3 kHz. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 9 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 The minimum 99% bandwidth measured between markers labeled T1 and T2 is 1018.3 kHz. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 10 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Conducted Output Power Requirements: FCC 15.247 (b) (3) For systems using digital modulation in the 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz bands: 1 Watt, based on the use of antennas with directional gains that do not exceed 6 dBi. If transmitting antennas of directional gain greater than 6 dBi are used, the conducted output power from the intentional radiator shall be reduced by the amount in dB that the directional gain of the antenna exceeds 6 dBi. RSS-247 5.4 (4) For DTSs employing digital modulation techniques operating in the bands 902-928 MHz and 2400-2483.5 MHz, the maximum peak conducted output power shall not exceed 1W. Except as provided in Section 5.4(5), the e.i.r.p. shall not exceed 4 W. Test setup details: The EUT is controlled via the USB port with CSR’s Blue Suite software which is used to set the test modes of the Bluetooth device. The EUT antenna is disconnected. A temporary test connector is mounted to the PCB. An 8 inch u.FL to SMA adapter cable with 1 dB loss and a 10 dB pad were used for all conducted measurements. To compensate for the cable loss and pad attenuation, the reference level offset feature of the spectrum analyzer was used. The EUT is programmed to operate on fixed frequencies at the low, middle, and high end of the authorized frequency band. The spectrum analyzer resolution bandwidth is set to 3 MHz (higher than the occupied bandwidth), peak detector and max hold. The maximum output power is recorded for each of the three frequencies. Test Results: Output Power Summary Table (BLE) Output Directional Frequency Limit Margin Channel Power Gain Result (MHz) (dB) (dB) (dBm) (dBi) Low 2402 2.78 0 30 27.22 Pass Middle 2440 3.31 0 30 26.69 Pass High 2480 5.50 0 30 24.50 Pass Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 11 of 30

_BHSE ACCREDITED] Spectrum (€] Ref Level 31.00 dam Offset 11.00 dB «@ RBW 3 MHz e Att 30 dB SWT 1 ms @ VBW 10 MHz Mode Swaep @ 1Pk view M1i[1] 3.31 dBm 2.4397340 GHz 20 d&m 10 dBm Mi 0 dom ~10 dBm —30 dbm ~40 dBm —50 dbm —60 d&m CF 2.44 GHz 601 pts Span 10.0 MHz Plot2 BLE Power 2440 MHz Spectrum RefLevel 31.00 dam Offset 11.00 dB «@ RBW 3 MHz @© e Att 30 dB SWT 1 ms @ VBW 10 MHz Mode Sweep @ 1Pk view M1ili] 2.78 dBm 2.4022500 GHz 20 dBm 10 dBim ML 0 d&m —10 dBm 30 d&m ~40 d&m —50 dBm —60 dm CF 2.402 GHz 601 pts Span 10.0 MHz Plot1 BLE Power 2402 MHz

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Model 423376 meets the conducted power limit of 1W (30dBm) by 27.2dB at 2402MHz. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 13 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Power Spectral Density Requirements: FCC 15.247 (e) and IC RSS-247 5.2 (2) The power spectral density conducted from the transmitter to the antenna shall not be greater than 8 dBm in any 3 kHz band during any time interval of continuous transmission. Test Results: Power Spectral Density Summary Table (BLE) Frequency PSD Limit Margin Channel Result (MHz) (dBm) (dB) (dB) Low 2402 -13.57 8 21.57 Pass Middle 2440 -12.71 8 20.71 Pass High 2480 -10.41 8 18.41 Pass Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 14 of 30

~* * _BHSE ACCREDITED] on Spectrum V RefLevel 31.00 dém Offset 11.00 dB @ RBW 3 kHz Att 30 dB SWT 22.3 ms @ VBW 10 kHz Mode Swee 1Pk Max M1i[1] ~12.71 dBm 2.43987350 GHz 1 ©.000 d CF 2.44 GHz Plot2 BLE PSD 2440 MHz Spectrum “? RefLevel 31.00 dém Offset 11.00 dB @ RBW 3 kHz Att 30 dB SWT 22.3 ms @ VBW 10 kHz Mode Swes 1Pk Max M1ili] ~13.57 dBm 2.40187950 GHz 1 £.000 dB CF 2.402 GHz Plot1 BLE PSD 2402 MHz

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 16 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Conducted Spurious Emissions 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)). IC RSS-247 5.5 In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated device is operating, the RF power that is produced 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 that the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits based on the use of root-mean-square averaging over a time interval, as permitted under Section A8.4 (4), the attenuation required shall be 30 dB instead of 20 dB. Attenuation below the general field strength limits specified in RSS-Gen is not required. Note: Antenna gain outside of the wanted band was assumed to be zero. The conducted spurious readings are for additional information as the radiated readings take precedence. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 17 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Spurious Band-edge Emissions Upper Band Edge (BLE) (Peak Detector) Worst Frequency Limit Margin Channel Mode Case Result (MHz) (dBc) (dB) (dBc) High 2480 BLE 54.25 20 34.25 Pass Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 18 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Lower Band Edge (BLE) Worst Frequency Limit Margin Channel Mode Case Result (MHz) (dBc) (dB) (dBc) Low 2402 BLE 47.69 20 27.69 Pass Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 19 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Spurious Emissions Spurious Summary Table (BLE) EUT Antenna Raw Convert to E-Field Band Range Test Cable Loss Pad ATTN Gain At Corrected Reading Peak Limit Margin Channel Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (dBm) (dBuV/m) (dBi) Low 30 To 1000 BLE -88.2 1.0 10.0 0.0 -77.2 17.98 74 56.02 Pass Low 2483.5 To 25000 BLE -78.5 1.0 10.0 0.0 -67.5 27.76 74 46.24 Pass Spurious Summary Table (BLE) EUT Antenna Raw Convert to E-Field Band Range Test Cable Loss Pad ATTN Gain At Corrected Reading Peak Limit Margin Channel Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (dBm) (dBuV/m) (dBi) Mid 30 To 1000 BLE -88.7 1.0 10.0 0.0 -77.7 17.52 74 56.48 Pass Mid 2483.5 To 25000 BLE -73.9 1.0 10.0 0.0 -62.9 32.30 74 41.70 Pass Spurious Summary Table (BLE) EUT Antenna Raw Convert to E-Field Band Range Test Cable Loss Pad ATTN Gain At Corrected Reading Peak Limit Margin Channel Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (dBm) (dBuV/m) (dBi) High 30 To 1000 BLE -88.5 1.0 10.0 0.0 -77.5 17.71 74 56.29 Pass High 2483.5 To 25000 BLE -78.5 1.0 10.0 0.0 -67.5 27.76 74 46.24 Pass Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 20 of 30

_BHSE ACCREDITEDI im Ref Level ~10.00 dBm @ RBW 100 khz e Att 0 dB SWT 226 ms @ VBW 300 kHz Mode Sweep (@ 1¢k View M1i[1] ~73.93 dBm 4.884130 GHz —20 dBm —30 dBm —40 dBm —50 dBm —60 dBm —70 dBm—fire —80 dBm T —100 d&m Start 2.4835 GHz 30000 pts Stop 25.0 GHz T ] Plot? BLE 2442 MHz Peak Band 2 Spectrum Ref Level ~10.00 dBm @ RBW 100 kHz @ e Att 0 dB SWT 226 ms @ VBW 300 kHz Mode Sweep i 1k View M1ili] ~78.47 dBm 4.803830 GHz —20 dBm —30 dBm —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm —100 d&m Start 2.4835 GHz 20000 pts stop 25.0 GHz J ] Plot2 BLE 2402 MHz Peak Band 2

_BHSE ACCREDITEDI Spectrum Ref Level ~10.00 dBm @ RBW 100 kHz e Att 0 dB SWT 30 ms @ VBW 300 kHz Mode Sweep (@ 1¢k View M1i[1] ~88.52 dBm 1.7987710 GHz —20 dBm —30 dBm —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm —100 d&m Start 30.0 MHz 30000 pts Stop 2.4 GHz J ] Plot1 BLE 2480 MHz Peak Band 1 Spectrum Ref Level ~10.00 dBm @ RBW 100 kHz @ e Att 0 dB SWT 30 ms @ VBW 300 kHz Mode Sweep i 1k View M1ili] ~88.71 dBm 980.0940 MHz —20 dBm —30 dBm —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm —100 d&m Start 30.0 MHz 20000 pts Stop 2.4 GHz J ] Plot1 BLE 2442 MFHz Peak Band 1

_BHSE ACCREDITEDI im Ref Level ~10.00 dBm @ RBW 100 kHz e Att 0 dB SWT 30 ms @ VBW 300 kHz Mode Sweep (@ 1¢k View M1i[1] ~88.25 dBm 1.1461520 GHz —20 dBm —30 dBm —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm ML —100 d&m Start 30.0 MHz 30000 pts Stop 2.4 GHz T ] Plot1 BLE 2402 MHz Peak Band 1 Spectrum Ref Level ~10.00 dBm @ RBW 100 kHz @ e Att 0 dB SWT 226 ms @ VBW 300 kHz Mode Sweep i 1k View M1ili] ~78.47 dBm 4.959190 GHz —20 dBm —30 dBm —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm Y —100 d&m Start 2.4835 GHz 20000 pts stop 25.0 GHz J ] Plot2 BLE 2480 MFHz Peak Band 2

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Spurious Summary Table (BLE) EUT Antenna Raw Convert to E-Field Band Range Test Cable Loss Pad ATTN Gain At Corrected Reading Average Limit Margin Channel Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (dBm) (dBuV/m) (dBi) Low 30 To 1000 BLE -94.5 1.0 10.0 0.0 -83.5 11.72 54 42.28 Pass Low 2483.5 To 25000 BLE -89.0 1.0 10.0 0.0 -78.0 17.24 54 36.76 Pass Spurious Summary Table (BLE) EUT Antenna Raw Convert to E-Field Band Range Test Cable Loss Pad ATTN Gain At Corrected Reading Average Limit Margin Channel Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (dBm) (dBuV/m) (dBi) Mid 30 To 1000 BLE -94.7 1.0 10.0 0.0 -83.7 11.58 54 42.42 Pass Mid 2483.5 To 25000 BLE -84.9 1.0 10.0 0.0 -73.9 21.30 54 32.70 Pass Spurious Summary Table (BLE) EUT Antenna Raw Convert to E-Field Band Range Test Cable Loss Pad ATTN Gain At Corrected Reading Average Limit Margin Channel Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (dBm) (dBuV/m) (dBi) High 30 To 1000 BLE -94.7 1.0 10.0 0.0 -83.7 11.51 54 42.49 Pass High 2483.5 To 25000 BLE -86.1 1.0 10.0 0.0 -75.1 20.14 54 33.86 Pass Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 24 of 30

_BHSE ACCREDITEDI Spectrum Ref Level ~10.00 dBm « RBW 100 kAz e Att 0 0B w SWT is «@ VBW 300 kHz Mode Sweep (@ 1Ay View M1i[1] ~84.93 dBm 4.884130 GHz —20 dBm —30 dBm —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm —90 dBm T Start 2.4835 GHz 30000 pts Stop 25.0 GHz T ] Plot? BLE 2442 MHz Average Band 2 Spectrum & Ref Level .00 dBm @ RBW 100 kHz e Att 0 08 @ SWT 1s @ VBW 300 kHz Mode Sweep (@ 1Ay View M1ili] —88.99 dBim 20.244890 GHz —20 dBm —30 dBm: —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm —90 dBm Start 2.4835 GHz 20000 pts Stop 25.0 GHz J J Plot2 BLE 2402 MHz Average Band 2

v* * _BHSE ACCREDITEDI E==— Ref Level ~10.00 dBm « RBW 100 kAz @ e Att 0 0B w SWT is «@ VBW 300 kHz Mode Sweep (@ 1Ay View M1i[1] —94.72 dBm 1.0730770 GHz —20 dBm —30 dBm —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm —90 dBm MZ Start 30.0 MHz 30000 pts Stop 2.4 GHz T ] Plot1 BLE 2480 MHz Average Band 1 St im uép: Ref Level .00 dBm @ RBW 100 kHz > Att 0 08 @ SWT 1s @ VBW 300 kHz Mode Sweep (@ 1Ay View M1ili] —94.65 dBim 2.3118760 GHz —20 dBm —30 dBm: —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm —90 dBm MI Start 30.0 MHz 20000 pts Stop 2.4 GHz J ] Plot1 BLE 2442 MHz Average Band 1

v* * _BHSE ACCREDITEDI E==— Ref Level ~10.00 dBm « RBW 100 kAz @ e Att 0 0B w SWT is «@ VBW 300 kHz Mode Sweep (@ 1Ay View M1i[1] —94.51 dBm 836.8670 MHz —20 dBm —30 dBm —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm —90 dBm ML Start 30.0 MHz 30000 pts Stop 2.4 GHz T ] Plot1 BLE 2402 MHz Average Band 1 St im uép: Ref Level .00 dBm @ RBW 100 kHz > Att 0 08 @ SWT 1s @ VBW 300 kHz Mode Sweep (@ 1Ay View M1ili] —86.09 dBim 4.959940 GHz —20 dBm —30 dBm: —40 dBm —50 dBm —60 dBm —70 dBm —80 dBm —90 dBm T Start 2.4835 GHz 20000 pts Stop 25.0 GHz J ] Plot2 BLE 2480 MHz Average Band 2

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Spurious Harmonic Emissions Spurious Harmonics Summary Table (BLE) EUT Antenna Harmonic Raw Convert to E-Field Frequency Test Cable Loss Pad ATTN Gain At Corrected Reading Peak Limit Margin Channel Harmoinic Frequency Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (MHz) (dBm) (dBuV/m) (dBi) Low 2402 1 2402 DH5 -69.5 1.0 10.0 0.0 -58.5 36.73 - - - Low 2402 2 4804 DH5 -75.7 1.0 10.0 0.0 -64.7 30.56 74 43.44 Pass Low 2402 3 7206 DH5 -80.0 1.0 10.0 0.0 -69.0 26.23 74 47.77 Pass Low 2402 4 9608 DH5 -85.4 1.0 10.0 0.0 -74.4 20.78 74 53.22 Pass Low 2402 5 12010 DH5 -83.8 1.0 10.0 0.0 -72.8 22.39 74 51.61 Pass Low 2402 6 14412 DH5 -85.2 1.0 10.0 0.0 -74.2 21.05 74 52.95 Pass Low 2402 7 16814 DH5 -84.3 1.0 10.0 0.0 -73.3 21.93 74 52.07 Pass Low 2402 8 19216 DH5 -83.7 1.0 10.0 0.0 -72.7 22.51 74 51.49 Pass Low 2402 9 21618 DH5 -85.5 1.0 10.0 0.0 -74.5 20.70 74 53.30 Pass Low 2402 10 24020 DH5 -85.9 1.0 10.0 0.0 -74.9 20.37 74 53.63 Pass Spurious Harmonics Summary Table (BLE) EUT Antenna Harmonic Raw Convert to E-Field Frequency Test Cable Loss Pad ATTN Gain At Corrected Reading Peak Limit Margin Channel Harmoinic Frequency Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (MHz) (dBm) (dBuV/m) (dBi) Mid 2440 1 2440 DH5 -66.0 1.0 10.0 0.0 -55.0 40.27 - - - Mid 2440 2 4880 DH5 -73.7 1.0 10.0 0.0 -62.7 32.50 74 41.50 Pass Mid 2440 3 7320 DH5 -78.6 1.0 10.0 0.0 -67.6 27.62 74 46.38 Pass Mid 2440 4 9760 DH5 -86.4 1.0 10.0 0.0 -75.4 19.78 74 54.22 Pass Mid 2440 5 12200 DH5 -81.5 1.0 10.0 0.0 -70.5 24.73 74 49.27 Pass Mid 2440 6 14640 DH5 -85.3 1.0 10.0 0.0 -74.3 20.90 74 53.10 Pass Mid 2440 7 17080 DH5 -85.4 1.0 10.0 0.0 -74.4 20.81 74 53.19 Pass Mid 2440 8 19520 DH5 -84.5 1.0 10.0 0.0 -73.5 21.69 74 52.31 Pass Mid 2440 9 21960 DH5 -85.9 1.0 10.0 0.0 -74.9 20.29 74 53.71 Pass Mid 2440 10 24400 DH5 -86.1 1.0 10.0 0.0 -75.1 20.14 74 53.86 Pass Spurious Harmonics Summary Table (BLE) EUT Antenna Harmonic Raw Convert to E-Field Frequency Test Cable Loss Pad ATTN Gain At Corrected Reading Peak Limit Margin Channel Harmoinic Frequency Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (MHz) (dBm) (dBuV/m) (dBi) High 2480 1 2480 DH5 -61.5 1.0 10.0 0.0 -50.5 44.77 - - - High 2480 2 4960 DH5 -75.4 1.0 10.0 0.0 -64.4 30.84 74 43.16 Pass High 2480 3 7440 DH5 -77.8 1.0 10.0 0.0 -66.8 28.41 74 45.59 Pass High 2480 4 9920 DH5 -86.2 1.0 10.0 0.0 -75.2 20.08 74 53.92 Pass High 2480 5 12400 DH5 -83.7 1.0 10.0 0.0 -72.7 22.52 74 51.48 Pass High 2480 6 14880 DH5 -84.7 1.0 10.0 0.0 -73.7 21.58 74 52.42 Pass High 2480 7 17360 DH5 -85.4 1.0 10.0 0.0 -74.4 20.79 74 53.21 Pass High 2480 8 19840 DH5 -83.5 1.0 10.0 0.0 -72.5 22.69 74 51.31 Pass High 2480 9 22320 DH5 -86.2 1.0 10.0 0.0 -75.2 20.05 74 53.95 Pass High 2480 10 24800 DH5 -85.5 1.0 10.0 0.0 -74.5 20.73 74 53.27 Pass BOLDed frequencies are in the restricted bands. Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 28 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 Spurious Harmonics Summary Table (BLE) EUT Antenna Harmonic Raw Convert to E-Field Frequency Test Cable Loss Pad ATTN Gain At Corrected Reading Average Limit Margin Channel Harmoinic Frequency Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (MHz) (dBm) (dBuV/m) (dBi) Low 2402 1 2402 DH5 -69.3 1.0 10.0 0.0 -58.3 36.89 - - - Low 2402 2 4804 DH5 -76.7 1.0 10.0 0.0 -65.7 29.55 54 24.45 Pass Low 2402 3 7206 DH5 -80.5 1.0 10.0 0.0 -69.5 25.77 54 28.23 Pass Low 2402 4 9608 DH5 -86.8 1.0 10.0 0.0 -75.8 19.39 54 34.61 Pass Low 2402 5 12010 DH5 -84.9 1.0 10.0 0.0 -73.9 21.29 54 32.71 Pass Low 2402 6 14412 DH5 -85.8 1.0 10.0 0.0 -74.8 20.38 54 33.62 Pass Low 2402 7 16814 DH5 -86.0 1.0 10.0 0.0 -75.0 20.24 54 33.76 Pass Low 2402 8 19216 DH5 -85.6 1.0 10.0 0.0 -74.6 20.66 54 33.34 Pass Low 2402 9 21618 DH5 -86.5 1.0 10.0 0.0 -75.5 19.69 54 34.31 Pass Low 2402 10 24020 DH5 -86.6 1.0 10.0 0.0 -75.6 19.62 54 34.38 Pass Spurious Harmonics Summary Table (BLE) EUT Antenna Harmonic Raw Convert to E-Field Frequency Test Cable Loss Pad ATTN Gain At Corrected Reading Average Limit Margin Channel Harmoinic Frequency Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (MHz) (dBm) (dBuV/m) (dBi) Mid 2440 1 2440 DH5 -66.0 1.0 10.0 0.0 -55.0 40.18 - - - Mid 2440 2 4880 DH5 -73.7 1.0 10.0 0.0 -62.7 32.58 54 21.42 Pass Mid 2440 3 7320 DH5 -78.6 1.0 10.0 0.0 -67.6 27.66 54 26.34 Pass Mid 2440 4 9760 DH5 -88.9 1.0 10.0 0.0 -77.9 17.29 54 36.71 Pass Mid 2440 5 12200 DH5 -82.2 1.0 10.0 0.0 -71.2 24.03 54 29.97 Pass Mid 2440 6 14640 DH5 -86.5 1.0 10.0 0.0 -75.5 19.69 54 34.31 Pass Mid 2440 7 17080 DH5 -86.7 1.0 10.0 0.0 -75.7 19.55 54 34.45 Pass Mid 2440 8 19520 DH5 -86.8 1.0 10.0 0.0 -75.8 19.44 54 34.56 Pass Mid 2440 9 21960 DH5 -88.0 1.0 10.0 0.0 -77.0 18.23 54 35.77 Pass Mid 2440 10 24400 DH5 -87.1 1.0 10.0 0.0 -76.1 19.08 54 34.92 Pass Spurious Harmonics Summary Table (BLE) EUT Antenna Harmonic Raw Convert to E-Field Frequency Test Cable Loss Pad ATTN Gain At Corrected Reading Average Limit Margin Channel Harmoinic Frequency Mode Measurement at 3 meters Result (MHz) (dB) (dB) Harmonic Frequency (dBm) (dBuV/m) (dB) (MHz) (dBm) (dBuV/m) (dBi) High 2480 1 2480 DH5 -61.5 1.0 10.0 0.0 -50.5 44.71 - - - High 2480 2 4960 DH5 -75.1 1.0 10.0 0.0 -64.1 31.09 54 22.91 Pass High 2480 3 7440 DH5 -78.0 1.0 10.0 0.0 -67.0 28.27 54 25.73 Pass High 2480 4 9920 DH5 -87.7 1.0 10.0 0.0 -76.7 18.58 54 35.42 Pass High 2480 5 12400 DH5 -84.4 1.0 10.0 0.0 -73.4 21.81 54 32.19 Pass High 2480 6 14880 DH5 -86.6 1.0 10.0 0.0 -75.6 19.62 54 34.38 Pass High 2480 7 17360 DH5 -85.9 1.0 10.0 0.0 -74.9 20.29 54 33.71 Pass High 2480 8 19840 DH5 -85.2 1.0 10.0 0.0 -74.2 21.06 54 32.94 Pass High 2480 9 22320 DH5 -87.2 1.0 10.0 0.0 -76.2 18.99 54 35.01 Pass High 2480 10 24800 DH5 -87.3 1.0 10.0 0.0 -76.3 18.97 54 35.03 Pass BOLDed frequencies are in the restricted bands. Conducted Measurements Resources Used Most Recent Calibration Most Recent Verification TN Description Model S/N Manufacturer Calibration Due Date Verification Due Date Spectrum Rohde & 2409 FSV40 101413 05-Apr-2017 05-Apr-2018 n/a n/a Analyzer Schwarz Band Reject BRM50702- 2342 001 Micro-Tronics n/a n/a 29-Mar-2017 29-Mar-2018 Filter 07 Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 29 of 30

DESIGN ASSURANCE ENGINEERING Wireless Transceiver Bluetooth Low Energy Test Report Certificate # 1514.1 FCC ID: A94423376 IC: 3232A-423376 End of Report Bose Corporation, 1 New York Ave, Framingham, MA 01701, USA Form FL300959 Rev 04 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.423376.18.75.1 Page 30 of 30


Document Created: 2018-04-04 16:32:46
Document Modified: 2018-04-04 16:32:46
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