AW10-R True Wireless Stereo Earbuds Test Report Measurement Report Shenzhen MODO Innovation Technology Co.Ltd

Shenzhen MODO Innovation Technology Co.Ltd True Wireless Stereo Earbuds

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Page 1 of 67
Report No.: HK1812071826E
FCC TEST REPORT
Test report
On Behalf of
Shenzhen MODO Innovation Technology Co.Ltd
For
True Wireless Stereo Earbuds
Model No.: AW-10
FCC ID: 2ARYFAW10-R
Prepared for :
Shenzhen MODO Innovation Technology Co.Ltd
Room B303, FuAn Science Building. 1st Road of GaoXin South, Nanshan District,
ShenZhen, PRC
Prepared By :
Shenzhen HUAK Testing Technology Co., Ltd.
1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street,
Bao'an District, Shenzhen City, China
Date of Test:
Nov. 25, 2018 ~ Dec. 06, 2018
Date of Report:
Dec. 06, 2018
Report Number:
HK1812071826E
Page 2 of 67
Report No.: HK1812071826E
TEST RESULT CERTIFICATION
Applicant’s name ................. : Shenzhen MODO Innovation Technology Co.Ltd
Address ................................. :
Room B303, FuAn Science Building. 1st Road of GaoXin South,
Nanshan District, ShenZhen, PRC
Manufacture's Name ............ : Shenzhen MODO Innovation Technology Co.Ltd
Address ................................. :
Room B303, FuAn Science Building. 1st Road of GaoXin South,
Nanshan District, ShenZhen, PRC
Product description
Trade Mark: .......................... EXCITRUS
Product Name ........................... : True Wireless Stereo Earbuds
Model and/or type reference .. : AW-10
Standards ............................. :
FCC Rules and Regulations Part 15 Subpart C Section 15.247
ANSI C63.10: 2013
This publication may be reproduced in whole or in part for non-commercial purposes as long as
the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source
of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will
not assume liability for damages resulting from the reader's interpretation of the reproduced
material due to its placement and context.
Date of Test ........................................... :
Date (s) of performance of tests ............. :
Nov. 25, 2018 ~ Dec. 06, 2018
Date of Issue .......................................... :
Dec. 06, 2018
Test Result.............................................. :
Pass
Testing Engineer
(Gary Qian)
Technical Manager
(Eden Hu)
Authorized Signatory :
(Jason Zhou)
Page 3 of 67
Report No.: HK1812071826E
TABLE OF CONTENTS
PAGE
1 . TEST SUMMARY
2 . GENERAL INFORMATION
2.1 . GENERAL DESCRIPTION OF EUT
2.2 . CARRIER FREQUENCY OF CHANNELS
2.3 . OPERATION OF EUT DURING TESTING
2.4 . DESCRIPTION OF TEST SETUP
2.5. EQUIPMENT USED IN EUT SYSTEM
2.6. MEASUREMENT INSTRUMENTS LIST
3. PEAK OUTPUT POWER
10
3.1. MEASUREMENT PROCEDURE
10
3.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION)
10
3.3. LIMITS AND MEASUREMENT RESULT
11
4. BANDWIDTH
17
4.1. MEASUREMENT PROCEDURE
17
4.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION)
17
4.3. LIMITS AND MEASUREMENT RESULTS
17
5. CONDUCTED SPURIOUS EMISSION
24
5.1. MEASUREMENT PROCEDURE
24
5.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION)
24
5.3. LIMITS AND MEASUREMENT RESULT
24
6. RADIATED EMISSION
28
6.1. TEST LIMIT
28
6.2. MEASUREMENT PROCEDURE
28
6.3. TEST SETUP
30
6.4. TEST RESULT
32
7. BAND EDGE EMISSION
44
7.1. MEASUREMENT PROCEDURE
44
7.2. TEST SET-UP
44
7.3. TEST RESULT
45
8. NUMBER OF HOPPING FREQUENCY
49
8.1. MEASUREMENT PROCEDURE
49
8.2. TEST SETUP (BLOCK DIAGRAM OF CONFIGURATION)
49
8.3. LIMITS AND MEASUREMENT RESULT
49
9. TIME OF OCCUPANCY (DWELL TIME)
51
Page 4 of 67
Report No.: HK1812071826E
TABLE OF CONTENTS
PAGE
9.1. MEASUREMENT PROCEDURE
51
9.2. TEST SETUP (BLOCK DIAGRAM OF CONFIGURATION)
51
9.3. LIMITS AND MEASUREMENT RESULT
51
10. FREQUENCY SEPARATION
54
10.1. MEASUREMENT PROCEDURE
54
10.2. TEST SETUP (BLOCK DIAGRAM OF CONFIGURATION)
54
10.3. LIMITS AND MEASUREMENT RESULT
54
11. LINE CONDUCTED EMISSION TEST
56
11.1. LIMITS OF LINE CONDUCTED EMISSION TEST
56
11.2. BLOCK DIAGRAM OF LINE CONDUCTED EMISSION TEST
56
11.3. PRELIMINARY PROCEDURE OF LINE CONDUCTED EMISSION TEST
57
11.4. FINAL PROCEDURE OF LINE CONDUCTED EMISSION TEST
57
11.5. TEST RESULT OF LINE CONDUCTED EMISSION TEST
57
12. ANTENNA REQUIREMENT
58
13. PHOTOGRAPH OF TEST
59
14. PHOTOGRAPHS OF EUT
61
Page 5 of 67
Report No.: HK1812071826E
1. TEST SUMMARY
1.1. TEST PROCEDURES AND RESULTS
DESCRIPTION OF TEST
RESULT
PEAK OUTPUT POWER
COMPLIANT
COMPLIANT
COMPLIANT
COMPLIANT
COMPLIANT
COMPLIANT
COMPLIANT
COMPLIANT
N/A
20 DB BANDWIDTH
CONDUCTED SPURIOUS EMISSION
RADIATED EMISSION
BAND EDGES
NUMBER OF HOPPING FREQUENCY
TIME OF OCCUPANCY
FREQUENCY SEPARATION
LINE CONDUCTION EMISSION
Note: N/A means it’s not applicable to this item.
1.2. TEST FACILITY
Test Firm
: Shenzhen HUAK Testing Technology Co., Ltd.
Address
1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park,
Fuhai Street, Bao'an District, Shenzhen City, China
Designation Number: : CN1229
Test Firm Registration Number : 616276
1.3. MEASUREMENT UNCERTAINTY
Measurement Uncertainty
Conducted Emission Expanded Uncertainty
Radiated emission expanded uncertainty(9kHz-30MHz)
Radiated emission expanded uncertainty(30MHz-1000MHz)
Radiated emission expanded uncertainty(Above 1GHz)
2.23dB, k=2
3.08dB, k=2
4.42dB, k=2
4.06dB, k=2
Page 6 of 67
Report No.: HK1812071826E
2. GENERAL INFORMATION
2.1. GENERAL DESCRIPTION OF EUT
Operation
2.402 GHz to 2.480GHz
Frequency
RF Output Power
-0.936dBm(Max)
Bluetooth Version
V5.0
Modulation
BR
BLE
Number of channels
79 for BR/EDR
Hardware Version
V1.0
Software Version
V1.0
Antenna
Designation
Ceramic Antenna
Antenna Gain
2.28dBi
Power Supply
DC 3.7V by battery
GFSK, EDR
GFSK
π /4-DQPSK,
8DPSK
Note: The EUT comprises left and right channel headsets, both are the have been tested. Only
the test data of right headset recorded in this report.
Page 7 of 67
Report No.: HK1812071826E
2.2. CARRIER FREQUENCY OF CHANNELS
BR/EDR Channel List
Frequency Band
2400~2483.5MHz
Channel Number
Frequency
2402MHz
2403MHz
38
2440 MHz
39
2441 MHz
40
2442 MHz
77
2479 MHz
78
2480 MHz
2.3. OPERATION OF EUT DURING TESTING
NO.
TEST MODE DESCRIPTION
Low channel GFSK
Middle channel GFSK
High channel GFSK
Low channel π /4-DQPSK
Middle channel π /4-DQPSK
High channel π /4-DQPSK
Low channel 8DPSK
Middle channel 8DPSK
High channel 8DPSK
10
BT Link(Hopping mode)
Note: 1. All the test modes can be supply by battery, only the result of the worst case was
recorded in the report, if no other cases.
2. For Radiated Emission, 3axis were chosen for testing for each applicable mode.
3. The EUT used fully-charged battery when tested.
4. The BT function of EUT doesn’t work when charging.
Page 8 of 67
Report No.: HK1812071826E
2.4. DESCRIPTION OF TEST SETUP
Configure 1: (Normal hopping)
EUT
Configure 2: (Control continuous TX)
EUT
Control box
PC
2.5. EQUIPMENT USED IN EUT SYSTEM
Item
Equipment
True Wireless Stereo
Earbuds
Mfr/Brand
Model/Type No.
Remark
EXCITRUS
AW-10
EUT
Battery
N/A
501015
Accessory
PC
APPLE
A1465
A.E
IPOD
APPLE
A1367
A.E
Control box
DOFLY
N/A
A.E
USB Cable
N/A
1.0m unshielded
A.E
Note: The temporary antenna connector is a RF SMA connector with fifty ohm resistor, which is welded
to the PCB board or module.
Page 9 of 67
Report No.: HK1812071826E
2.6. MEASUREMENT INSTRUMENTS LIST
TEST EQUIPMENT OF RADIATED EMISSION TEST
Cal.
Item
Equipment
Manufacturer
Model No.
Serial No.
Last Cal.
1.
Spectrum analyzer
Agilent
N9020A
HKE-048
Dec. 28, 2017
1 Year
2.
Preamplifier
Schwarzbeck
BBV 9743
HKE-006
Dec. 28, 2017
1 Year
3.
EMI Test Receiver
ESCI 7
HKE-010
Dec. 28, 2017
1 Year
Schwarzbeck
VULB9163
HKE-012
Dec. 28, 2017
1 Year
4.
Bilog Broadband
Antenna
Rohde &
Schwarz
5.
Loop Antenna
Schwarzbeck
FMZB 1519 B
6.
Horn Antenna
Schewarzbeck
9120D
Schewarzbeck
LB-180400-KF
7.
Broad-band Horn
Antenna
Interval
HKE-014
FMZB 1519 Dec. 012
28, 2017
May 11,12016
Year 1 Year
HKE-013
HKE-031
Dec. 28, 2017
1 Year
Dec. 28, 2017
1 Year
8.
Pre-amplifier
EMCI
EMC051845SE
HKE-015
Dec. 28, 2017
1 Year
9.
Pre-amplifier
Agilent
83051A
HKE-016
Dec. 28, 2017
1 Year
Micro-tronics
087
--
N/A
N/A
10.
Filter
(2.4-2.483GHz)
11.
Radiation Cable 1
MXT
HK1
R05
N/A
N/A
12.
Radiation Cable 2
MXT
HK1
R06
N/A
N/A
Page 10 of 67
Report No.: HK1812071826E
3. PEAK OUTPUT POWER
3.1. MEASUREMENT PROCEDURE
For peak power test:
1. Connect EUT RF output port to the Spectrum Analyzer through an RF attenuator
2. Set the EUT Work on the top, middle and the bottom operation frequency individually.
3. RBW > the 20 dB bandwidth of the emission being measured, VBW  RBW.
4. Record the maximum power from the Spectrum Analyzer.
5. The maximum peak power shall be less 21dBm.
3.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION)
RF Attenuator
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Report No.: HK1812071826E
3.3. LIMITS AND MEASUREMENT RESULT
PEAK OUTPUT POWER MEASUREMENT RESULT
FOR GFSK MOUDULATION
Frequency
(GHz)
Peak Power
Pass or Fail
(dBm)
Applicable Limits
(dBm)
2.402
-3.462
21
Pass
2.441
-3.652
21
Pass
2.480
-4.420
21
Pass
CH0
Page 12 of 67
CH39
CH78
Report No.: HK1812071826E
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Report No.: HK1812071826E
PEAK OUTPUT POWER MEASUREMENT RESULT
FOR Π /4-DQPSK MODULATION
Frequency
(GHz)
Peak Power
Pass or Fail
(dBm)
Applicable Limits
(dBm)
2.402
-1.363
21
Pass
2.441
-1.577
21
Pass
2.480
-2.447
21
Pass
CH0
Page 14 of 67
CH39
CH78
Report No.: HK1812071826E
Page 15 of 67
Report No.: HK1812071826E
PEAK OUTPUT POWER MEASUREMENT RESULT
FOR 8DPSK MODULATION
Frequency
(GHz)
Peak Power
2.402
Applicable Limits (dBm)
Pass or Fail
-0.936
21
Pass
2.441
-1.204
21
Pass
2.480
-2.002
21
Pass
(dBm)
CH0
Page 16 of 67
CH39
CH78
Report No.: HK1812071826E
Page 17 of 67
Report No.: HK1812071826E
4. BANDWIDTH
4.1. MEASUREMENT PROCEDURE
1. Connect EUT RF output port to the Spectrum Analyzer through an RF attenuator
2. Set the EUT Work on the top, the middle and the bottom operation frequency individually.
3. Set Span = approximately 2 to 3 times the 20 dB bandwidth, centered on a hoping channel
RBW  1% of the 20 dB bandwidth, VBW  3RBW; Sweep = auto; Detector function = peak
4. Set SPA Trace 1 Max hold, then View.
4.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION)
Note: The EUT has been used temporary antenna connector for testing.
4.3. LIMITS AND MEASUREMENT RESULTS
BLUETOOTH 1MBPS LIMITS AND MEASUREMENT RESULT
Measurement Result
Applicable Limits
Test Data (MHz)
Result
N/A
99%OBW (MHz)
-20dB BW(MHz)
Low Channel
0.878
0.986
PASS
Middle Channel
0.878
0.986
PASS
High Channel
0.879
0.987
PASS
Page 18 of 67
Report No.: HK1812071826E
TEST PLOT OF BANDWIDTH FOR LOW CHANNEL
TEST PLOT OF BANDWIDTH FOR MIDDLE CHANNEL
Page 19 of 67
Report No.: HK1812071826E
TEST PLOT OF BANDWIDTH FOR HIGH CHANNEL
Page 20 of 67
Report No.: HK1812071826E
BLUETOOTH 2MBPS LIMITS AND MEASUREMENT RESULT
Measurement Result
Applicable Limits
Test Data (MHz)
Result
N/A
99%OBW (MHz)
-20dB BW(MHz)
Low Channel
1.221
1.405
PASS
Middle Channel
1.220
1.405
PASS
High Channel
1.220
1.405
PASS
TEST PLOT OF BANDWIDTH FOR LOW CHANNEL
Page 21 of 67
Report No.: HK1812071826E
TEST PLOT OF BANDWIDTH FOR MIDDLE CHANNEL
TEST PLOT OF BANDWIDTH FOR HIGH CHANNEL
Page 22 of 67
Report No.: HK1812071826E
BLUETOOTH 3MBPS LIMITS AND MEASUREMENT RESULT
Measurement Result
Applicable Limits
Test Data (MHz)
Result
N/A
99%OBW (MHz)
-20dB BW(MHz)
Low Channel
1.226
1.411
PASS
Middle Channel
1.225
1.412
PASS
High Channel
1.226
1.410
PASS
TEST PLOT OF BANDWIDTH FOR LOW CHANNEL
Page 23 of 67
Report No.: HK1812071826E
TEST PLOT OF BANDWIDTH FOR MIDDLE CHANNEL
TEST PLOT OF BANDWIDTH FOR HIGH CHANNEL
Page 24 of 67
Report No.: HK1812071826E
5. CONDUCTED SPURIOUS EMISSION
5.1. MEASUREMENT PROCEDURE
1. Connect EUT RF output port to the Spectrum Analyzer through an RF attenuator
2. Set the EUT Work on the top, the Middle and the bottom operation frequency individually.
3. Set the Span = wide enough to capture the peak level of the in-band emission and all spurious
emissions from the lowest frequency generated in the EUT up through the 10th harmonic.
RBW = 100 kHz; VBW = 300kHz; Sweep = auto; Detector function = peak.
4. Set SPA Trace 1 Max hold, then View.
5.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION)
5.3. LIMITS AND MEASUREMENT RESULT
LIMITS AND MEASUREMENT RESULT
Measurement Result
Applicable Limits
In any 100 KHz Bandwidth Outside the
frequency band in which the spread spectrum
intentional radiator is operating, the radio
frequency power that is produce by the intentional
radiator shall be at least 20 dB below that in
100KHz bandwidth within the band that contains
the highest level of the desired power.
In addition, radiation 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))
Test Data
Result
At least -20dBc than the limit
Specified on the BOTTOM
Channel
PASS
At least -20dBc than the limit
Specified on the TOP Channel
PASS
Page 25 of 67
Report No.: HK1812071826E
TEST PLOT OF OUT OF BAND EMISSIONS WITH THE WORST CASE
OF 8DPSK MODULATION IN LOW CHANNEL
Page 26 of 67
Report No.: HK1812071826E
TEST PLOT OF OUT OF BAND EMISSIONS
OF 8DPSK MODULATION IN MIDDLE CHANNEL
Page 27 of 67
Report No.: HK1812071826E
TEST PLOT OF OUT OF BAND EMISSIONS
OF 8DPSK MODULATION IN HIGH CHANNEL
Page 28 of 67
Report No.: HK1812071826E
6. RADIATED EMISSION
6.1. TEST LIMIT
Frequency
Distance
Field Strengths Limit
(MHz)
Meters
μ V/m
dB(μV)/m
0.009 ~ 0.490
300
2400/F(kHz)
---
0.490 ~ 1.705
30
24000/F(kHz)
---
1.705 ~ 30
30
30
---
30 ~ 88
100
40.0
88 ~ 216
150
43.5
216 ~ 960
200
46.0
960 ~ 1000
500
54.0
Above 1000
Other:74.0 dB(μV)/m (Peak) 54.0 dB(μV)/m
(Average)
Remark: (1) Emission level dBμ V = 20 log Emission level μ V/m
(2) The smaller limit shall apply at the cross point between two frequency bands.
(3) Distance is the distance in meters between the measuring instrument, antenna and the
closest point of any part of the device or system.
6.2. MEASUREMENT PROCEDURE
1. The measuring distance of 3m shall be used for measurements. The EUT was placed on the top of a
rotating table 0.8 meter above the ground at a 3 meter semi-anechoic chamber. The table was rotated
360 degrees to determine the position of the highest radiation(Below 1GHz)
2. The measuring distance of 3m shall used for measurements. The EUT was placed on the top of a
rotating table 1.5 meter above the ground at a 3 meter semi-anechoic chamber. The table was rotated
360 degrees to determine the position of the highest radiation(Above 1GHz)
3. The height of the test antenna shall vary between 1m to 4m.Both horizontal and vertical polarization
Of the antenna are set to make the measurement.
4. The initial step in collecting radiated emission data is a receive peak detector mode. Pre-scanning the
measurement frequency range. Significant peaks are then marked and then Quasi Peak detector
mode re-measured.
5. All readings are peak unless otherwise stated QP in column of Note. Peak denoted that the Peak
reading compliance with the QP limits and then QP Mode measurement didn’t perform(Below 1GHz)
6. All readings are Peak mode value unless otherwise stated AVG in column of Note. If the Peak mode
measured value compliance with the Peak limits and lower than AVG Limits, the EUT shall be deemed
to meet Peak&AVG limits and then only Peak mode was measured, but AVG mode didn’t
perform.(Above 1GHz)
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The following table is the setting of spectrum analyzer and receiver.
Spectrum Parameter
Setting
Start ~Stop Frequency
9KHz~150KHz/RB 200Hz for QP
Start ~Stop Frequency
150KHz~30MHz/RB 9KHz for QP
Start ~Stop Frequency
30MHz~1000MHz/RB 120KHz for QP
Start ~Stop Frequency
1GHz~26.5GHz
RBW 1MHz/ VBW 3MHz for Peak,
RBW 1MHz/ VBW 10Hz for Average
Receiver Parameter
Setting
Start ~Stop Frequency
9KHz~150KHz/RB 200Hz for QP
Start ~Stop Frequency
150KHz~30MHz/RB 9KHz for QP
Start ~Stop Frequency
30MHz~1000MHz/RB 120KHz for QP
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6.3. TEST SETUP
RADIATED EMISSION TEST SETUP BELOW 30MHz
RADIATED EMISSION TEST SETUP 30MHz-1000MHz
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RADIATED EMISSION TEST SETUP ABOVE 1000MHz
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6.4. TEST RESULT
(Worst Modulation: 8DPSK)
RADIATED EMISSION BELOW 30MHz
No emission found between lowest internal used/generated frequencies to 30MHz.
RADIATED EMISSION BELOW 1GHz
RADIATED EMISSION TEST- (30MHz-1GHz)-LOW CHANNEL-HORIZONTAL
RESULT: PASS
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RADIATED EMISSION TEST- (30MHz-1GHz)-LOW CHANNEL -VERTICAL
RESULT: PASS
Note: 1. Factor=Antenna Factor + Cable loss, Margin=Measurement-Limit.
2. The “Factor” value can be calculated automatically by software of measurement system.
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RADIATED EMISSION TEST- (30MHz-1GHz)-MIDDLE CHANNEL-HORIZONTAL
RESULT: PASS
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RADIATED EMISSION TEST- (30MHz-1GHz)- MIDDLE CHANNEL -VERTICAL
RESULT: PASS
Note: 1. Factor=Antenna Factor + Cable loss, Margin=Measurement-Limit.
2. The “Factor” value can be calculated automatically by software of measurement system.
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RADIATED EMISSION TEST- (30MHz-1GHz)-HIGH CHANNEL-HORIZONTAL
RESULT: PASS
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RADIATED EMISSION TEST- (30MHz-1GHz)-HIGH CHANNEL -VERTICAL
RESULT: PASS
Note: 1. Factor=Antenna Factor + Cable loss, Margin=Measurement-Limit.
2. The “Factor” value can be calculated automatically by software of measurement system.
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RADIATED EMISSION ABOVE 1GHz
RADIATED EMISSION ABOVE 1GHz (1-10th Harmonics)-LOW CHANNEL-HORIZONTAL
RESULT: PASS
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RADIATED EMISSION ABOVE 1GHz (1-10th Harmonics)-LOW CHANNEL –VERTICAL
RESULT: PASS
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RADIATED EMISSION ABOVE 1GHz (1-10th Harmonics)-MIDDLE CHANNEL-HORIZONTAL
RESULT: PASS
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RADIATED EMISSION ABOVE 1GHz (1-10th Harmonics) - MIDDLE CHANNEL –VERTICAL
RESULT: PASS
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RADIATED EMISSION ABOVE 1GHz (1-10th Harmonics)-HIGH CHANNEL-HORIZONTAL
RESULT: PASS
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RADIATED EMISSION ABOVE 1GHz (1-10th Harmonics)-HIGH CHANNEL –VERTICAL
RESULT: PASS
Note: 6~25GHz at least have 20dB margin. No recording in the test report.
Factor=Antenna Factor+ Cable loss-Amplifier gain, Margin=Measurement-Limit.
The “Factor” value can be calculated automatically by software of measurement system.
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7. BAND EDGE EMISSION
7.1. MEASUREMENT PROCEDURE
1. Set the EUT Work on the top, the bottom operation frequency individually.
2. Set SPA Start or Stop Frequency=Operation Frequency,
For unrestricted band: RBW=100kHz, VBW=300kHz
For restricted band: RBW=1MHz, VBW=3*RBW
Center frequency =Operation frequency
3. The band edges was measured and recorded.
7.2. TEST SET-UP
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7.3. TEST RESULT
(Worst Modulation: 8DPSK)
TEST PLOT OF BAND EDGE FOR LOW CHANNEL (3Mbps)-Horizontal
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TEST PLOT OF BAND EDGE FOR LOW CHANNEL (3Mbps)-Vertical
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TEST PLOT OF BAND EDGE FOR HIGH CHANNEL (3Mbps)-Horizontal
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TEST PLOT OF BAND EDGE FOR HIGH CHANNEL (3Mbps)-Vertical
RESULT: PASS
Note: 1. Factor=Antenna Factor + Cable loss, Margin=Measurement-Limit.
2. The “Factor” value can be calculated automatically by software of measurement system.
3. Hopping off and Hopping on have been tested and only worst case recorded
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8. NUMBER OF HOPPING FREQUENCY
8.1. MEASUREMENT PROCEDURE
1. Place the EUT on the table and set it in transmitting mode.
2. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the
spectrum analyzer.
3. Set the spectrum analyzer Start = 2.4GHz Stop = 2.4835GHz
4. Set the Spectrum Analyzer as RBW>=1%span, VBW>=3RBW.
8.2. TEST SETUP (BLOCK DIAGRAM OF CONFIGURATION)
8.3. LIMITS AND MEASUREMENT RESULT
TOTAL NO. OF
HOPPING CHANNEL
LIMIT (NO. OF CH)
MEASUREMENT
(NO. OF CH)
RESULT
>=15
79
PASS
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TEST PLOT FOR NO. OF TOTAL CHANNELS
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9. TIME OF OCCUPANCY (DWELL TIME)
9.1. MEASUREMENT PROCEDURE
1. Place the EUT on the table and set it in transmitting mode
2. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the
spectrum analyzer.
3. Set Span = zero span, centered on a hoping channel
4. Set the spectrum analyzer as RBW=1MHz, VBW>=RBW, Span = 0 Hz
9.2. TEST SETUP (BLOCK DIAGRAM OF CONFIGURATION)
9.3. LIMITS AND MEASUREMENT RESULT
The Worst Case (3Mbps)
Time of Pulse for DH5
Period Time
Channel
(ms)
(s)
Sweep Time
(ms)
Limit
(ms)
Low
2.883
31.6
307.52
400
Middle
2.875
31.6
306.67
400
High
2.875
31.6
306.67
400
Low Channel Time
2.883*(1600/6)/79*31.6=307.52ms
Middle Channel Time
2.875*(1600/6)/79*31.6=306.67ms
High Channel Time
2.875*(1600/6)/79*31.6=306.67ms
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TEST PLOT OF LOW CHANNEL
TEST PLOT OF MIDDLE CHANNEL
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TEST PLOT OF HIGH CHANNEL
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10. FREQUENCY SEPARATION
10.1. MEASUREMENT PROCEDURE
1. Place the EUT on the table and set it in transmitting mode
2. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the
spectrum analyzer
3. Set Span = wide enough to capture the peaks of two adjacent channels Resolution (or IF) Bandwidth
(RBW)  1% of the span Video (or Average) Bandwidth (VBW)  RBW; Sweep = auto; Detector
function = peak; Trace = max hold
10.2. TEST SETUP (BLOCK DIAGRAM OF CONFIGURATION)
10.3. LIMITS AND MEASUREMENT RESULT
CHANNEL
SEPARATION
CHANNEL
CH00-CH01
LIMIT
RESULT
KHz
KHz
1.005
>=25 KHz or 2/3 20 dB
BW
Pass
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TEST PLOT FOR FREQUENCY SEPARATION(3Mbps)
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11. LINE CONDUCTED EMISSION TEST
11.1. LIMITS OF LINE CONDUCTED EMISSION TEST
Maximum RF Line Voltage
Frequency
Q.P.( dBuV)
Average( dBuV)
150kHz~500kHz
66-56
56-46
500kHz~5MHz
56
46
5MHz~30MHz
60
50
Note:
1. The lower limit shall apply at the transition frequency.
2. The limit decreases linearly with the logarithm of the frequency in the range 0.15 MHz to 0.50 MHz.
11.2. BLOCK DIAGRAM OF LINE CONDUCTED EMISSION TEST
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11.3. PRELIMINARY PROCEDURE OF LINE CONDUCTED EMISSION TEST
1. The equipment was set up as per the test configuration to simulate typical actual usage per the user’s
manual. When the EUT is a tabletop system, a wooden table with a height of 0.8 meters is used and is
placed on the ground plane as per ANSI C63.10 (see Test Facility for the dimensions of the ground
plane used). When the EUT is a floor-standing equipment, it is placed on the ground plane which has a
3-12 mm non-conductive covering to insulate the EUT from the ground plane.
2. Support equipment, if needed, was placed as per ANSI C63.10.
3. All I/O cables were positioned to simulate typical actual usage as per ANSI C63.10.
4. All support equipments received AC120V/60Hz power from a LISN, if any.
5. The EUT received DC 5V power from adapter which received DC 12V/60Hz power from a LISN.
6. The test program was started. Emissions were measured on each current carrying line of the EUT
using a spectrum Analyzer / Receiver connected to the LISN powering the EUT. The LISN has two
monitoring points: Line 1 (Hot Side) and Line 2 (Neutral Side). Two scans were taken: one with Line 1
connected to Analyzer / Receiver and Line 2 connected to a 50 ohm load; the second scan had Line 1
connected to a 50 ohm load and Line 2 connected to the Analyzer / Receiver.
7. Analyzer / Receiver scanned from 150 kHz to 30MHz for emissions in each of the test modes.
8. During the above scans, the emissions were maximized by cable manipulation.
9. The test mode(s) were scanned during the preliminary test.
Then, the EUT configuration and cable configuration of the above highest emission level were recorded for
reference of final testing.
11.4. FINAL PROCEDURE OF LINE CONDUCTED EMISSION TEST
1. EUT and support equipment was set up on the test bench as per step 2 of the preliminary test.
2. A scan was taken on both power lines, Line 1 and Line 2, recording at least the six highest emissions.
Emission frequency and amplitude were recorded into a computer in which correction factors were
used to calculate the emission level and compare reading to the applicable limit. If EUT emission level
was less –2dB to the A.V. limit in Peak mode, then the emission signal was re-checked using Q.P and
Average detector.
3. The test data of the worst case condition(s) was reported on the Summary Data page.
11.5. TEST RESULT OF LINE CONDUCTED EMISSION TEST
N/A
Note: The BT function of EUT didn’t work when charging.
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12. ANTENNA REQUIREMENT
Standard Applicable
For intentional device, according to FCC 47 CFR Section 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.
Refer to statement below for compliance.
The manufacturer may design the unit so that the user can replace a broken antenna, but the use of a
standard antenna jack or electrical connector is prohibited. Further, this requirement does not apply to
intentional radiators that must be professionally installed.
ANTENNA
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13. PHOTOGRAPH OF TEST
FCC RADIATED EMISSION TEST SETUP
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14. PHOTOGRAPHS OF EUT
TOTAL VIEW OF EUT
TOP VIEW OF EUT
Report No.: HK1812071826E
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BOTTOM VIEW OF EUT
FRONT VIEW OF EUT
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BACK VIEW OF EUT
LEFT VIEW OF EUT
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RIGHT VIEW OF EUT
VIEW OF EUT (PORT)
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OPEN VIEW OF EUT(Right)
VIEW OF BATTERY
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INTERNAL VIEW OF EUT-1
INTERNAL VIEW OF EUT-2
Report No.: HK1812071826E
Page 67 of 67
INTERNAL VIEW OF EUT-3
ALL MODEL COLORS
----END OF REPORT----
Report No.: HK1812071826E
Download: AW10-R True Wireless Stereo Earbuds Test Report Measurement Report Shenzhen MODO Innovation Technology Co.Ltd
Mirror Download [FCC.gov]AW10-R True Wireless Stereo Earbuds Test Report Measurement Report Shenzhen MODO Innovation Technology Co.Ltd
Document ID4115738
Application IDCB70Bs3EarLzgFq18c0fYg==
Document Description14_AW-10 (R) TestRpt
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeTest Report
Display FormatAdobe Acrobat PDF - pdf
Filesize344kB (4299955 bits)
Date Submitted2018-12-24 00:00:00
Date Available2018-12-24 00:00:00
Creation Date2018-12-13 17:09:50
Producing SoftwareMicrosoft® Office Word 2007
Document Lastmod2018-12-24 16:49:35
Document TitleMeasurement Report
Document CreatorMicrosoft® Office Word 2007
Document Author: Kent

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Title                           : Measurement Report
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