Test Report

FCC ID: 2AMH2-BH366A

Test Report

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FCCID_4474870

FCC PART 15.247 TEST REPORT For MPOW TECHNOLOGY CO.,LIMITED FLAT/RM 605 6/F FA YUEN COMMERCIAL BUILDING 75-77 FA YUEN STREET MONGKOK KL HONG KONG FCC ID: 2AMH2-BH366A Report Type: Product Name: Original Report Wire less Headphones Report Number: RDG190904001-00A Report Date: 2019-09-24 Jerry Zhang Reviewed By: EMC Manager Bay Area Compliance Laboratories Corp. (Dongguan) Test Laboratory: No.69 Pulongcun, Puxinhu Industry Area, Tangxia, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Dongguan). This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. * This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “*”.

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A TABLE OF CONTENTS GENERAL INFORMATION .......................................................................................................................................4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .....................................................................................4 OBJECTIVE ...................................................................................................................................................................4 RELATED SUBMITTAL(S)/GRANT(S) .............................................................................................................................4 TEST METHODOLOGY ..................................................................................................................................................4 MEASUREMENT UNCERTAINTY ....................................................................................................................................5 TEST FACILITY .............................................................................................................................................................5 SYSTEM TEST CONFIGURATION ..........................................................................................................................6 DESCRIPTION OF TEST CONFIGURATION ......................................................................................................................6 EQUIPMENT MODIFICATIONS .......................................................................................................................................6 EUT EXERCISE SOFTWARE ..........................................................................................................................................6 LOCAL SUPPORT EQUIPMENT LIST AND DETAILS ........................................................................................................7 SUPPORT CABLE LIST AND DETAILS ............................................................................................................................7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................8 SUMMARY OF TEST RESULTS ...............................................................................................................................9 FCC §15.247 (i) & §1.1310 & §2.1093- RF EXPOSURE..........................................................................................10 APPLICABLE STANDARD ............................................................................................................................................10 FCC §15.203 - ANTENNA REQUIREMENT...........................................................................................................11 APPLICABLE STANDARD ............................................................................................................................................11 ANTENNA INFORMATION AND CONNECTOR CONSTRUCTION.....................................................................................11 FCC §15.207 (a)– AC LINE CONDUCTED EMISSIONS ......................................................................................12 APPLICABLE STANDARD ............................................................................................................................................12 EUT SETUP ................................................................................................................................................................12 EMI TEST RECEIVER SETUP .......................................................................................................................................12 TEST PROCEDURE ......................................................................................................................................................12 CORRECTED AMPLITUDE & MARGIN CALCULATION .................................................................................................13 TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................13 TEST DATA ................................................................................................................................................................13 FCC §15.209, §15.205, §15.247(d) - SPURIOUS EMISSIONS .................................................................................16 APPLICABLE STANDARD ............................................................................................................................................16 EUT SETUP ................................................................................................................................................................16 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP ..............................................................................................17 TEST PROCEDURE ......................................................................................................................................................17 CORRECTED AMPLITUDE & MARGIN CALCULATION .................................................................................................17 TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................18 TEST DATA ................................................................................................................................................................18 FCC §15.247(a) (2) –6 dB EMISSION BANDWIDTH .............................................................................................24 APPLICABLE STANDARD ............................................................................................................................................24 TEST PROCEDURE ......................................................................................................................................................24 TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................24 TEST DATA ................................................................................................................................................................24 FCC §15.247(b) (3) - MAXIMUM PEAK CONDUCTED OUTPUT POWER ......................................................27 APPLICABLE STANDARD ............................................................................................................................................27 TEST PROCEDURE ......................................................................................................................................................27 Page 2 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................27 TEST DATA ................................................................................................................................................................27 FCC §15.247(d) – 100 kHz BANDWIDTH OF FREQUENCY BAND EDGE .......................................................29 APPLICABLE STANDARD ............................................................................................................................................29 TEST PROCEDURE ......................................................................................................................................................29 TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................29 TEST DATA ................................................................................................................................................................29 FCC §15.247(e) - POWER SPECTRAL DENSITY .................................................................................................31 APPLICABLE STANDARD ............................................................................................................................................31 TEST PROCEDURE ......................................................................................................................................................31 TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................31 TEST DATA ................................................................................................................................................................31 Page 3 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A GENERAL INFORMATION Product Description for Equipment under Test (EUT) EUT Name: Wireless Headphones EUT Model: BH366A Multiple Model: BH366B Operation Frequency: 2402-2480MHz Maximum Peak Output Power 2.31 dBm (Conducted): Modulation Type: GFSK Rated Input Voltage: 3.7V DC from battery or 5V DC from USB port External Dimension: 200mm(L)*170mm(W)*80mm(H) Serial Number: 190904001 EUT Received Date: 2019.09.05 Notes: Model BH366A and BH366B are identical, BH366A was selected for fully testing, the detailed information about the difference among them can be referred to the declaration letter which was stated and guaranteed by the manufacturer. Objective This report is prepared on behalf of the MPOW TECHNOLOGY CO.,LIMITED in accordance with Part 2, Subpart J, Part 15, Subparts A and C of the Federal Communications Commission’s rules The tests were performed in order to determine the compliance of the EUT with FCC Rules Part 15- Subpart C, section 15.203, 15.205, 15.207, 15.209, 15.247 rules. Related Submittal(s)/Grant(s) FCC Part 15C DSS submissions with FCC ID: 2AMH2-BH366A. Test Methodology All measurements contained in this report were conducted with ANSI C63.10-2013, American National Standard of Procedures for Compliance Testing of Unlicensed Wireless Devices and KDB 558074 D01 DTS Meas Guidance v05r02. All emissions measurement was performed and Bay Area Compliance Laboratories Corp. (Dongguan). Page 4 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Measurement Uncertainty Parameter Measurement Uncertainty Occupied Channel Bandwidth ±5 % RF output power, conducted ±0.61dB Power Spectral Density, conducted ±0.61 dB 30M~200MHz: 4.55 dB,200M~1GHz: 5.92 dB,1G~6GHz: 4.98 dB, Unwanted Emissions, radiated 6G~18GHz: 5.89 dB,18G~26.5G:5.47 dB,26.5G~40G:5.63 dB Unwanted Emissions, conducted ±1.5 dB Temperature ±1℃ Humidity ±5% DC and low frequency voltages ±0.4% Duty Cycle 1% AC Power Lines Conducted Emission 3.12 dB (150 kHz to 30 MHz) Test Facility The Test site used by Bay Area Compliance Laboratories Corp. (Dongguan) to collect test data is located on the No.69 Pulongcun, Puxinhu Industry Area, Tangxia, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 897218, the FCC Designation No. : CN1220. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0022. Page 5 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A SYSTEM TEST CONFIGURATION Description of Test Configuration The system was configured for testing in engineering mode. For Bluetooth LE mode, 40 channels are provided for testing: Frequency Frequency Channel Channel (MHz) (MHz) 0 2402 20 2442 1 2404 … … … … … … … … … … .. … 38 2478 19 2440 39 2480 EUT was tested with channel 0, 19 and 39. Equipment Modifications No modification was made to the EUT tested. EUT Exercise Software The software ' CSR Bluetooth 2.5.8' was used for testing, which was provided by manufacturer and the maximum power was configured as below table: Frequency Channel Power level (MHz) Low 2402 Default Middle 2440 Default High 2480 Default The duty cycle as below: Ton Ton+off Duty Cycle (ms) (ms) (%) 0.444 0.648 68.52 Page 6 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A RBW 10 MHz Delta 2 [T1 ] * VBW 10 MHz -1.13 dB Ref 20 dBm * Att 40 dB SWT 3 ms 648.000000 µs 20 Offset 0.5 dB Marker 1 [T1 ] -35.48 dBm 56.000000 µs A 10 SGL Delta 1 [T1 ] 1 PK * -2.75 dB CLRWR 0 444.000000 µs LVL -10 -20 -30 1 2 1 3DB -40 -50 -60 -70 -80 Center 2.44 GHz 300 µs/ Date: 11.SEP.2019 16:50:53 Local Support Equipment List and Details Manufacturer Description Model Serial Number HUAWEI adapter HW-059200CHQ K68249FC804287 Support Cable List and Details Shielding Length Cable Description Ferrite Core From Port To Type (m) USB Cable Yes No 1.0 Adapter EUT Page 7 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Block Diagram of Test Setup AC Line Condcuted Test: Radiation Test: Page 8 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A SUMMARY OF TEST RESULTS FCC Rules Description of Test Result FCC§15.247 (i) & §1.1310 & RF Exposure Compliance §2.1093 FCC §15.203 Antenna requirement Compliance FCC §15.207(a) AC line conducted emissions Compliance FCC §15.205, §15.209, Spurious emissions Compliance §15.247(d) FCC §15.247(a)(2) 6 dB emission bandwidth Compliance FCC §15.247(b)(3) Maximum conducted output power Compliance FCC §15.247(d) 100 kHz Bandwidth of frequency band edge Compliance FCC §15.247(e) Power spectral density Compliance Page 9 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A FCC §15.247 (i) & §1.1310 & §2.1093- RF EXPOSURE Applicable Standard According to§15.247(i) and §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. According to KDB447498 D01 General RF Exposure Guidance v06: The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(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, where • f(GHz) is the RF channel transmit frequency in GHz • Power and distance are roundssed to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 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 5) in section 4.1 is applied to determine SAR test exclusion. Measurement Result The max conducted power including tune-up tolerance is 3.0 dBm (2 mW). [(max. power of channel, mW)/(min. test separation distance, mm)][√f(GHz)] = 2/5*(√2.480) = 0.6< 3.0 So the stand-alone SAR evaluation is not necessary. Page 10 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A FCC §15.203 - ANTENNA REQUIREMENT Applicable Standard According to § 15.203, an intentional radiator shall be designed to ensure that no antenna other than that furnished by the responsible party shall be used with the device. The use of a permanently attached antenna or of an antenna that uses a unique coupling to the intentional radiator shall be considered sufficient to comply with the provisions of this section. The manufacturer may design the unit so that a broken antenna can be replaced by the user, but the user of a standard antenna jack or electrical connector is prohibited. The structure and application of the EUT were analyzed to determine compliance with section §15.203 of the rules. §15.203 state that the subject device must meet the following criteria: a. Antenna must be permanently attached to the unit. b. Antenna must use a unique type of connector to attach to the EUT. c. Unit must be professionally installed, and installer shall be responsible for verifying that the correct antenna is employed with the unit. Antenna Information And Connector Construction The EUT has one internal FPC antenna arrangement for BT, and the antenna gain is 3.16 dBi, fulfill the requirement of this section. Please refer to the EUT photos. Result: Compliance. Page 11 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A FCC §15.207 (a)– AC LINE CONDUCTED EMISSIONS Applicable Standard FCC§15.207(a) EUT Setup The setup of EUT is according with per ANSI C63.10-2013 measurement procedure. The specification used was with the FCC Part 15.207. The spacing between the peripherals was 10 cm. The adapter was connected to the main lisn with a 120 V/60 Hz AC power source. EMI Test Receiver Setup The EMI test receiver was set to investigate the spectrum from 150 kHz to 30 MHz. During the conducted emission test, the EMI test receiver was set with the following configurations: Frequency Range IF B/W 150 kHz – 30 MHz 9 kHz Test Procedure During the conducted emission test, the adapter was connected to the first LISN. Maximizing procedure was performed on the six (6) highest emissions of the EUT. All data was recorded in the Quasi-peak and average detection mode. Page 12 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Corrected Amplitude & Margin Calculation The basic equation is as follows: VC = VR + AC + VDF Cf = AC + VDF Herein, VC (cord. Reading): corrected voltage amplitude VR: reading voltage amplitude Ac: attenuation caused by cable loss VDF: voltage division factor of AMN Cf: Correction Factor The “Margin” column of the following data tables indicates the degree of compliance within the applicable limit. For example, a margin of 7dB means the emission is 7dB below the limit. The equation for margin calculation is as follows: Margin = Limit – Corrected Amplitude Test Equipment List and Details Serial Calibration Calibration Manufacturer Description Model Number Date Due Date Unknown Coaxial Cable C-NJNJ-50 C-0200-01 2019-09-05 2020-09-05 R&S Test Software EMC32 Version8.53.0 N/A N/A R&S Two-line V-network ENV 216 101614 2018-12-10 2019-12-10 R&S EMI Test Receiver ESPI 100120 2019-05-09 2020-05-09 * Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). Test Data Environmental Conditions Temperature: 28.2 oC Relative Humidity: 62 % ATM Pressure: 100.1kPa Tester: Sem Xing Test Date: 2019-09-22 Test Result: Compliance Test Mode: Charging Page 13 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A AC120V, 60 Hz, Line: 80 70 Quasi-Peak Limit 60 Average Limit 50 Level in dBμ 40 30 20 10 0 150k 300 400 500 800 1M 2M 3M 4M 5M 6 8 10M 20M 30M Frequency in Hz Frequency QuasiPeak Bandwidth Corr. Margin Limit Line (MHz) (dBμV) (kHz) (dB) (dB) (dBμV) 0.162429 37.9 9.000 L1 11.0 27.4 65.3 0.367295 34.3 9.000 L1 10.0 24.3 58.6 0.536077 35.8 9.000 L1 9.9 20.2 56.0 0.654116 37.8 9.000 L1 9.8 18.2 56.0 0.737074 28.7 9.000 L1 9.8 27.3 56.0 1.325783 27.5 9.000 L1 9.8 28.5 56.0 Frequency Average Bandwidth Corr. Margin Limit Line (MHz) (dBμV) (kHz) (dB) (dB) (dBμV) 0.393790 19.7 9.000 L1 10.0 28.3 48.0 0.660657 30.2 9.000 L1 9.8 15.8 46.0 0.983629 21.3 9.000 L1 9.8 24.7 46.0 1.312656 18.8 9.000 L1 9.8 27.2 46.0 1.717229 18.7 9.000 L1 9.7 27.3 46.0 2.074599 18.1 9.000 L1 9.7 27.9 46.0 Page 14 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A AC120V, 60 Hz, Neutral: 80 70 Quasi-Peak Limit 60 Average Limit 50 Level in dBμ 40 30 20 10 0 150k 300 400 500 800 1M 2M 3M 4M 5M 6 8 10M 20M 30M Frequency in Hz Frequency QuasiPeak Bandwidth Corr. Margin Limit Line (MHz) (dBμV) (kHz) (dB) (dB) (dBμV) 0.150000 37.5 9.000 N 11.2 28.5 66.0 0.405722 33.3 9.000 N 10.0 24.4 57.7 0.660657 37.7 9.000 N 9.8 18.3 56.0 1.003400 26.5 9.000 N 9.8 29.5 56.0 1.717229 25.3 9.000 N 9.8 30.7 56.0 2.095345 23.1 9.000 N 9.8 32.9 56.0 Frequency Average Bandwidth Corr. Margin Limit Line (MHz) (dBμV) (kHz) (dB) (dB) (dBμV) 0.430682 16.3 9.000 N 9.9 30.9 47.2 0.667264 25.5 9.000 N 9.8 20.5 46.0 0.973890 18.8 9.000 N 9.8 27.2 46.0 1.700226 16.0 9.000 N 9.8 30.0 46.0 2.074599 15.4 9.000 N 9.8 30.6 46.0 2.481527 13.7 9.000 N 9.8 32.3 46.0 Page 15 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A FCC §15.209, §15.205, §15.247(d) - SPURIOUS EMISSIONS Applicable Standard FCC §15.247 (d); §15.209; §15.205 EUT Setup Below 1GHz: Above 1GHz: The radiated emission below 1GHz tests were performed in the 10 meters chamber, above 1GHz tests were performed in the 3 meters chamber B, using the setup accordance with the ANSI C63.10-2013. The specification used was the FCC 15.209, and FCC 15.247 limits. The external I/O cables were draped along the test table and formed a bundle 30 to 40 cm long in the middle. The spacing between the peripherals was 10 cm. Page 16 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A EMI Test Receiver & Spectrum Analyzer Setup The system was investigated from 30 MHz to 25 GHz. During the radiated emission test, the EMI test receiver & Spectrum Analyzer Setup were set with the following configurations: 30MHz-1000MHz: Measurement RBW Video B/W IF B/W QP 120 kHz 300 kHz 120kHz 1GHz- 25GHz: Measurement Duty cycle RBW Video B/W PK Any 1MHz 3 MHz >98% 1MHz 10 Hz AV <98% 1MHz 1/T Note: T is minimum transmission duration If the maximized peak measured value complies with under the QP/Average limit more than 6dB, then it is unnecessary to perform an QP/Average measurement. Test Procedure Maximizing procedure was performed on the highest emissions to ensure that the EUT complied with all installation combinations. Data was recorded in Quasi-peak detection mode for frequency range of 30 MHz-1 GHz, peak and Average detection modes for frequencies above 1 GHz. Corrected Amplitude & Margin Calculation The Corrected Amplitude is calculated by adding the Antenna Factor and Cable Loss, and subtracting the Amplifier Gain from the Meter Reading. The basic equation is as follows: Corrected Amplitude = Meter Reading + Antenna Factor + Cable Loss - Amplifier Gain The “Margin” column of the following data tables indicates the degree of compliance with the applicable limit. For example, a margin of 7dB means the emission is 7dB below the limit. The equation for margin calculation is as follows: Margin = Limit –Corrected Amplitude Page 17 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Test Equipment List and Details Serial Calibration Calibration Manufacturer Description Model Number Date Due Date R&S EMI Test Receiver ESCI 100035 2019-08-03 2020-08-03 Farad Test Software EZ-EMC V1.1.4.2 N/A N/A Sunol Sciences Antenna JB3 A060611-2 2017-08-25 2020-08-25 Unknown Coaxial Cable C-NJNJ-50 C-1000-01 2019-09-05 2020-09-05 Unknown Coaxial Cable C-NJNJ-50 C-0400-02 2019-09-05 2020-09-05 Unknown Coaxial Cable C-NJNJ-50 C-0530-01 2018-09-24 2019-09-24 Sonoma Amplifier 310N 185914 2018-10-13 2019-10-13 Agilent Spectrum Analyzer E4440A SG43360054 2019-05-09 2020-05-09 ETS-Lindgren Horn Antenna 3115 000 527 35 2018-10-12 2021-10-12 Ducommun 1007726-01 Horn Antenna ARH-4223-02 2016-11-18 2019-11-18 Technolagies 1304 Unknown Coaxial Cable C-SJSJ-50 C-0800-01 2019-09-05 2020-09-05 Unknown Coaxial Cable C-2.4J2.4J-50 C-0700-02 2019-06-27 2020-06-27 AFS42-00101800- MITEQ Amplifier 2001271 2019-09-05 2020-09-05 25-S-42 Quinstar Amplifier QLW-18405536-JO 15964001001 2019-06-27 2020-06-27 OBSF-2400-2483.5- E-Microwave Band-stop Filters OE01601525 2019-06-16 2020-06-16 S Micro-tronics High Pass Filter HPM50111 S/N-G217 2019-06-16 2020-06-16 * Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). Test Data Environmental Conditions Test Items Radiation Below 1GHz Radiation Above 1GHz Temperature: 26.6 C 27.9 C Relative Humidity: 59 % 60 % ATM Pressure: 100.3 kPa 100.6 kPa Tester: Ade Xiao Tyler Pan Test Date: 2019-09-11 2019-09-12 Test Mode: Transmitting Test Result: Compliance. Please refer to the following table and plots. Page 18 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A 1) 30MHz-1GHz (Middle Channel was the worst): Horizontal: Receiver Correction Cord. Frequency Limit Margin Reading Detector Factor Amp. (MHz) (dBuV/m) (dB) (dBuV) (dB/m) (dBuV/m) 30.9700 27.31 peak -4.88 22.43 40.00 17.57 148.3400 32.83 peak -9.37 23.46 43.50 20.04 210.4200 41.77 peak -11.36 30.41 43.50 13.09 278.3200 35.83 peak -8.60 27.23 46.00 18.77 327.7900 38.45 peak -7.11 31.34 46.00 14.66 548.9500 27.69 peak -1.83 25.86 46.00 20.14 Page 19 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Vertical: Receiver Correction Cord. Frequency Limit Margin Reading Detector Factor Amp. (MHz) (dBuV/m) (dB) (dBuV) (dB/m) (dBuV/m) 38.7300 31.49 peak -8.78 22.71 40.00 17.29 148.3400 32.14 peak -9.37 22.77 43.50 20.73 210.4200 36.90 peak -11.36 25.54 43.50 17.96 293.8400 36.25 peak -7.70 28.55 46.00 17.45 333.6100 37.38 peak -6.96 30.42 46.00 15.58 572.2300 26.71 peak -1.46 25.25 46.00 20.75 Page 20 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A 2) 1-25GHz: Receiver Rx Antenna Cable Amplifier Corrected Frequency Limit Margin Reading Detector Polar Factor loss Gain Amplitude (MHz) (dBμV/m) (dB) (dBμV) (PK/QP/AV) (H/V) (dB/m) (dB) (dB) (dBμV/m) Low Channel: 2402 MHz 2390.00 26.80 PK H 28.08 1.80 0.00 56.68 74.00 17.32 2390.00 14.72 AV H 28.08 1.80 0.00 44.60 54.00 9.40 4804.00 53.86 PK H 32.91 3.17 37.20 52.74 74.00 21.26 4804.00 50.67 AV H 32.91 3.17 37.20 49.55 54.00 4.45 7206.00 50.55 PK H 35.74 4.82 37.23 53.88 74.00 20.12 7206.00 45.58 AV H 35.74 4.82 37.23 48.91 54.00 5.09 Middle Channel: 2440 MHz 4880.00 56.94 PK H 33.06 3.27 37.21 56.06 74.00 17.94 4880.00 53.60 AV H 33.06 3.27 37.21 52.72 54.00 1.28 7320.00 52.47 PK H 36.03 4.62 37.37 55.75 74.00 18.25 7320.00 47.29 AV H 36.03 4.62 37.37 50.57 54.00 3.43 High Channel: 2480 MHz 2483.50 25.99 PK H 28.27 1.84 0.00 56.10 74.00 17.90 2483.50 13.89 AV H 28.27 1.84 0.00 44.00 54.00 10.00 4960.00 54.33 PK H 33.22 3.23 37.25 53.53 74.00 20.47 4960.00 51.67 AV H 33.22 3.23 37.25 50.87 54.00 3.13 7440.00 50.97 PK H 36.34 4.41 37.52 54.20 74.00 19.80 7440.00 45.80 AV H 36.34 4.41 37.52 49.03 54.00 4.97 Page 21 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Worst plots (middle Channel) Horizontal Fundamental Test with Band Rejection Filter Page 22 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Vertical Fundamental Test with Band Rejection Filter Page 23 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A FCC §15.247(a) (2) –6 dB EMISSION BANDWIDTH Applicable Standard According to FCC §15.247(a) (2) Systems using digital modulation techniques may operate in the 902–928 MHz, 2400–2483.5 MHz, and 5725–5850 MHz bands. The minimum 6 dB bandwidth shall be at least 500 kHz. Test Procedure a) Set RBW = 100 kHz. b) Set the video bandwidth (VBW) ≥ 3×RBW. c) Detector = Peak. d) Trace mode = max hold. e) Sweep = auto couple. f) Allow the trace to stabilize. g) Measure the maximum width of the emission that is constrained by the frequencies associated with the two outermost amplitude points (upper and lower frequencies) that are attenuated by 6 dB relative to the maximum level measured in the fundamental emission. EUT Test Equipment Test Equipment List and Details Serial Calibration Calibration Manufacturer Description Model Number Date Due Date R&S Spectrum Analyzer FSU 26 200256 2019-01-04 2020-01-04 Unknown Coaxial Cable C-SJ00-0010 C0010/03 Each time N/A * Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). Test Data Environmental Conditions Temperature: 22.7 C Relative Humidity: 60 % ATM Pressure: 100.3 kPa Tester: Blake Yang Test Date: 2019-09-11 Test Mode: Transmitting Test Result: Compliance. Please refer to the following table and plots. Page 24 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A 6 dB Emission Frequency Limit Channel Bandwidth (MHz) (MHz) (MHz) Low 2402 0.692 ≥0.5 Middle 2440 0.692 ≥0.5 High 2480 0.688 ≥0.5 Low Channel * RBW 100 kHz Delta 1 [T1 ] * VBW 300 kHz -0.07 dB Ref 20 dBm * Att 40 dB SWT 2.5 ms 692.000000000 kHz 20 Offset 0.5 dB Marker 1 [T1 ] -2.34 dBm 2.401648000 GHz A 10 1 PK D1 3.7 dBm MAXH 1 1 0 D2 -2.3 dBm LVL -10 -20 -30 3DB -40 -50 -60 -70 -80 Center 2.402 GHz 200 kHz/ Span 2 MHz Date: 11.SEP.2019 16:45:55 Page 25 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Middle Channel * RBW 100 kHz Delta 1 [T1 ] * VBW 300 kHz -0.15 dB Ref 20 dBm * Att 40 dB SWT 2.5 ms 692.000000000 kHz 20 Offset 0.5 dB Marker 1 [T1 ] -1.73 dBm 2.439648000 GHz A 10 1 PK D1 4.15 dBm MAXH 1 1 0 D2 -1.85 dBm LVL -10 -20 -30 3DB -40 -50 -60 -70 -80 Center 2.44 GHz 200 kHz/ Span 2 MHz Date: 11.SEP.2019 16:49:18 High Channel * RBW 100 kHz Delta 1 [T1 ] * VBW 300 kHz 0.00 dB Ref 20 dBm * Att 40 dB SWT 2.5 ms 688.000000000 kHz 20 Offset 0.5 dB Marker 1 [T1 ] -2.16 dBm 2.479648000 GHz A 10 1 PK D1 3.8 dBm MAXH 1 1 0 D2 -2.2 dBm LVL -10 -20 -30 3DB -40 -50 -60 -70 -80 Center 2.48 GHz 200 kHz/ Span 2 MHz Date: 11.SEP.2019 16:47:43 Page 26 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A FCC §15.247(b) (3) - MAXIMUM PEAK CONDUCTED OUTPUT POWER Applicable Standard According to 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. As an alternative to a peak power measurement, compliance with the one Watt limit can be based on a measurement of the maximum conducted output power. Maximum Conducted Output Power is defined as the total transmit power delivered to all antennas and antenna elements averaged across all symbols in the signaling alphabet when the transmitter is operating at its maximum power control level. Power must be summed across all antennas and antenna elements. The average must not include any time intervals during which the transmitter is off or is transmitting at a reduced power level. If multiple modes of operation are possible (e.g., alternative modulation methods), the maximum conducted output power is the highest total transmit power occurring in any mode. Test Procedure 1. Place the EUT on a bench and set it in transmitting mode. 2. Remove the antenna from the EUT and then connect a low loss RF cable from the antenna port to test equipment. 3. Add a correction factor to the display. Test Equipment List and Details Serial Calibration Calibration Manufacturer Description Model Number Date Due Date Unknown Coaxial Cable C-SJ00-0010 C0010/04 Each time N/A USB Wideband Agilent U2021XA MY5425009 2019-05-09 2020-05-09 Power Sensor * Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). Test Data Environmental Conditions Temperature: 22.7 C Relative Humidity: 60 % ATM Pressure: 100.3 kPa Tester: Blake Yang Test Date: 2019-09-11 Test Mode: Transmitting Test Result: Compliance. Please refer to the following table. Page 27 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Max Peak Frequency Conducted Limit Channel (MHz) Output Power (dBm) (dBm) Low 2402 1.86 30 Middle 2440 2.31 30 High 2480 1.99 30 Page 28 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A FCC §15.247(d) – 100 kHz BANDWIDTH OF FREQUENCY BAND EDGE Applicable Standard According to 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 Procedure 1. Check the calibration of the measuring instrument using either an internal calibrator or a known signal from an external generator. 2. Position the EUT without connection to measurement instrument. Turn on the EUT and connect its antenna terminal to measurement instrument via a low loss cable. Then set it to any one measured frequency within its operating range, and make sure the instrument is operated in its linear range. 3. Set RBW to 100 kHz and VBW of spectrum analyzer to 300 kHz with a convenient frequency span including 100 kHz bandwidth from band edge. 4. Measure the highest amplitude appearing on spectral display and set it as a reference level. Plot the graph with marking the highest point and edge frequency. 5. Repeat above procedures until all measured frequencies were complete. Test Equipment List and Details Serial Calibration Calibration Manufacturer Description Model Number Date Due Date R&S Spectrum Analyzer FSU 26 200256 2019-01-04 2020-01-04 Unknown Coaxial Cable C-SJ00-0010 C0010/03 Each time N/A * Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). Test Data Environmental Conditions Temperature: 22.7 C Relative Humidity: 60 % ATM Pressure: 100.3 kPa Tester: Blake Yang Test Date: 2019-09-11 Test mode: Transmitting Page 29 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Test Result: Compliance. Please refer to following plots. Band Edge, Left Side * RBW 100 kHz Delta 1 [T1 ] * VBW 300 kHz -45.31 dB Ref 20 dBm * Att 40 dB SWT 2.5 ms -2.016000000 MHz 20 Offset 0.5 dB Marker 1 [T1 ] 3.70 dBm 2.402000000 GHz A 10 1 1 PK MAXH 0 LVL -10 -16.30 dBm -20 -30 3DB 1 -40 -50 -60 -70 -80 Center 2.4 GHz 800 kHz/ Span 8 MHz Date: 11.SEP.2019 16:47:01 Band Edge, Right Side * RBW 100 kHz Delta 1 [T1 ] * VBW 300 kHz -48.03 dB Ref 20 dBm * Att 40 dB SWT 2.5 ms 4.284000000 MHz 20 Offset 0.5 dB Marker 1 [T1 ] -16.15 dBm 3.85 dBm 2.480000000 GHz A 10 1 1 PK MAXH 0 LVL -10 -20 -30 3DB -40 1 -50 -60 -70 -80 Center 2.4835 GHz 1.4 MHz/ Span 14 MHz Date: 11.SEP.2019 16:48:52 Page 30 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A FCC §15.247(e) - POWER SPECTRAL DENSITY Applicable Standard According to FCC§15.247(e):For digitally modulated systems, the power spectral density conducted from the intentional radiator to the antenna shall not be greater than 8 dBm in any 3 kHz band during any time interval of continuous transmission. This power spectral density shall be determined in accordance with the provisions of paragraph (b) of this section. The same method of determining the conducted output power shall be used to determine the power spectral density. Test Procedure 1. Check the calibration of the measuring instrument using either an internal calibrator or a known signal from an external generator. 2. Position the EUT was set without connection to measurement instrument. Turn on the EUT and connect its antenna terminal to measurement instrument via a low loss cable. Then set it to any one measured frequency within its operating range, and make sure the instrument is operated in its linear range. 3. Set the RBW = 3 kHz, VBW = 10 kHz, Set the span to 1.5 times the DTS bandwidth. 4. Use the peak marker function to determine the maximum amplitude level. Test Equipment List and Details Serial Calibration Calibration Manufacturer Description Model Number Date Due Date R&S Spectrum Analyzer FSU 26 200256 2019-01-04 2020-01-04 Unknown Coaxial Cable C-SJ00-0010 C0010/03 Each time N/A * Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations have been performed, traceable to National Primary Standards and International System of Units (SI). Test Data Environmental Conditions Temperature: 22.7 C Relative Humidity: 60 % ATM Pressure: 100.3 kPa Tester: Blake Yang Test Date: 2019-09-11 Test Mode: Transmitting Test Result: Compliance. Please refer to the following table and plots Page 31 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Power Spectral Frequency Limit Channel Density (MHz) (dBm/3kHz) (dBm/3kHz) Low 2402 -11.98 ≤8 Middle 2440 -11.54 ≤8 High 2480 -11.84 ≤8 Power Spectral Density, Low Channel * RBW 3 kHz Marker 1 [T1 ] * VBW 10 kHz -11.98 dBm Ref 20 dBm * Att 40 dB SWT 120 ms 2.401993772 GHz 20 Offset 0.5 dB A 10 1 PK MAXH 0 LVL -10 1 -20 -30 3DB -40 -50 -60 -70 -80 Center 2.402 GHz 103.8 kHz/ Span 1.038 MHz Date: 11.SEP.2019 16:46:40 Page 32 of 33

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG190904001-00A Power Spectral Density, Middle Channel * RBW 3 kHz Marker 1 [T1 ] * VBW 10 kHz -11.54 dBm Ref 20 dBm * Att 40 dB SWT 120 ms 2.439991696 GHz 20 Offset 0.5 dB A 10 1 PK MAXH 0 LVL 1 -10 -20 -30 3DB -40 -50 -60 -70 -80 Center 2.44 GHz 103.8 kHz/ Span 1.038 MHz Date: 11.SEP.2019 16:50:04 Power Spectral Density, High Channel * RBW 3 kHz Marker 1 [T1 ] * VBW 10 kHz -11.84 dBm Ref 20 dBm * Att 40 dB SWT 115 ms 2.479993808 GHz 20 Offset 0.5 dB A 10 1 PK MAXH 0 LVL -10 1 -20 -30 3DB -40 -50 -60 -70 -80 Center 2.48 GHz 103.2 kHz/ Span 1.032 MHz Date: 11.SEP.2019 16:48:22 ***** END OF REPORT ***** Page 33 of 33


Document Created: 2019-10-11 03:36:47
Document Modified: 2019-10-11 03:36:47
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