Q11 BLUETOOTH SPEAKER Test Report Shenzhen Sunspring Electronics Co., Ltd. China Electronics Shenzhen Company

China Electronics Shenzhen Company BLUETOOTH SPEAKER

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
FCC TEST REPORT
FOR
CHINA ELECTRONICS SHENZHEN COMPANY
BLUETOOTH SPEAKER
Test Model: Q11
Additional Model NO.: Q12, 7198-38
Prepared for
Address
CHINA ELECTRONICS SHENZHEN COMPANY
33F, Tower A, Electronic Science and Technology Building, 2070
Shennan Zhonglu, Futian District, Shenzhen, China
Prepared by
Address
Tel
Fax
Web
Mail
Shenzhen LCS Compliance Testing Laboratory Ltd.
1/F., Xingyuan Industrial Park, Tongda Road, Bao'an Avenue,
Bao'an District, Shenzhen, Guangdong, China
(+86)755-82591330
(+86)755-82591332
www.LCS-cert.com
webmaster@LCS-cert.com
Date of receipt of test sample
Number of tested samples
Serial number
Date of Test
Date of Report
October 31, 2017
Prototype
October 31, 2017~November 16, 2017
November 16, 2017
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 1 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
FCC TEST REPORT
FCC CFR 47 PART 15 C(15.247)
Report Reference No. ................. : LCS171031029AE
Date of Issue ................................... : November 16, 2017
Testing Laboratory Name ............ : Shenzhen LCS Compliance Testing Laboratory Ltd.
Address ........................................... : 1/F., Xingyuan Industrial Park, Tongda Road, Bao'an Avenue,
Bao'an District, Shenzhen, Guangdong, China
Testing Location/ Procedure........... : Full application of Harmonised standards ■
Partial application of Harmonised standards □
Other standard testing method □
Applicant’s Name .......................... : CHINA ELECTRONICS SHENZHEN COMPANY
Address ........................................... : 33F, Tower A, Electronic Science and Technology Building, 2070
Shennan Zhonglu, Futian District, Shenzhen, China
Test Specification
Standard.......................................... : FCC CFR 47 PART 15 C(15.247)
Test Report Form No. ..................... : LCSEMC-1.0
TRF Originator ................................ : Shenzhen LCS Compliance Testing Laboratory Ltd.
Master TRF ..................................... : Dated 2011-03
Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved.
This publication may be reproduced in whole or in part for non-commercial purposes as long as the
Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of
the material. Shenzhen LCS Compliance Testing Laboratory 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.
Test Item Description. .................. : BLUETOOTH SPEAKER
Trade Mark ...................................... : N/A
Model/ Type reference .................... : Q11
DC 3.70V by battery(400mAh)
Ratings ............................................ :
Recharge Voltage: DC 5V/500mA
Result ........................................... : Positive
Compiled by:
Supervised by:
Approved by:
Dick Su/ File administrators
Calvin Weng/ Technique principal
Gavin Liang/ Manager
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 2 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
FCC -- TEST REPORT
Test Report No. :
LCS171031029AE
November 16, 2017
Date of issue
Type / Model...........................
: Q11
EUT.........................................
: BLUETOOTH SPEAKER
Applicant...............................
Address..................................
: CHINA ELECTRONICS SHENZHEN COMPANY
: 33F, Tower A, Electronic Science and Technology Building, 2070
Shennan Zhonglu, Futian District, Shenzhen, China
: /
: /
Telephone...............................
Fax..........................................
Manufacturer........................
Address...................................
Telephone...............................
Fax..........................................
Factory...................................
Address...................................
Telephone...............................
Fax..........................................
Test Result
: CHINA ELECTRONICS SHENZHEN COMPANY
: 33F, Tower A, Electronic Science and Technology Building, 2070
Shennan Zhonglu, Futian District, Shenzhen, China
: /
: /
: CHINA ELECTRONICS SHENZHEN COMPANY
: 33F, Tower A, Electronic Science and Technology Building, 2070
Shennan Zhonglu, Futian District, Shenzhen, China
: /
: /
Positive
The test report merely corresponds to the test sample.
It is not permitted to copy extracts of these test result without the written permission of the test
laboratory.
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 3 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
Revision History
Revision
00
Issue Date
November 16, 2017
Revisions
Initial Issue
Revised By
Gavin Liang
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Page 4 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
TABLE OF CONTENTS
Description
Page
1. GENERAL INFORMATION ............................................................................................... 6
1.1 Description of Device (EUT) .................................................................................................... 6
1.2 Support equipment List ............................................................................................................ 6
1.3 External I/O Cable ..................................................................................................................... 6
1.4 Description of Test Facility....................................................................................................... 6
1.5 Statement of the Measurement Uncertainty ......................................................................... 7
1.6 Measurement Uncertainty ........................................................................................................ 7
1.7 Description of Test Modes ....................................................................................................... 7
2. TEST METHODOLOGY ..................................................................................................... 8
2.1 EUT Configuration..................................................................................................................... 8
2.2 EUT Exercise ............................................................................................................................. 8
2.3 General Test Procedures ......................................................................................................... 8
2.4. Test Sample .............................................................................................................................. 8
3. SYSTEM TEST CONFIGURATION ................................................................................. 9
3.1 Justification................................................................................................................................. 9
3.2 EUT Exercise Software ............................................................................................................ 9
3.3 Special Accessories .................................................................................................................. 9
3.4 Block Diagram/Schematics ...................................................................................................... 9
3.5 Equipment Modifications .......................................................................................................... 9
3.6 Test Setup .................................................................................................................................. 9
4. SUMMARY OF TEST RESULTS.................................................................................... 10
5. SUMMARY OF TEST EQUIPMENT .............................................................................. 11
6. MEASUREMENT RESULTS ........................................................................................... 12
6.1 Peak Power .............................................................................................................................. 12
6.2 Frequency Separation and 20 dB Bandwidth ..................................................................... 14
6.3 Number of Hopping Frequency ............................................................................................. 17
6.4 Time of Occupancy (Dwell Time) ......................................................................................... 18
6.5 Conducted Spurious Emissions and Band Edges Test .................................................... 20
6.6 Restricted Band Emission Limit ............................................................................................ 21
6.7. AC Power line conducted emissions ................................................................................... 30
6.8. Band-edge measurements for radiated emissions ........................................................... 32
6.9. Pseudorandom frequency hopping sequence ................................................................... 35
6.10. Antenna requirement ........................................................................................................... 36
7. TEST SETUP PHOTOGRAPHS OF EUT ..................................................................... 38
8. EXTERIOR PHOTOGRAPHS OF THE EUT ................................................................ 38
9. INTERIOR PHOTOGRAPHS OF THE EUT ................................................................. 38
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
1. GENERAL INFORMATION
1.1 Description of Device (EUT)
EUT
BLUETOOTH SPEAKER
Test Model
Q11
Model List No.
Q11, Q12, 7198-38
Model Declaration
PCB board, structure
and internal of these model(s) are the same, So
no additional models were tested.
Hardware version
V1.0
Software version
V1.0
Power Supply
DC 3.70V by battery(400mAh)
Recharge Voltage: DC 5V/500mA
Bluetooth Technology
Modulation Type
2402MHz-2480MHz
GFSK, π /4-DQPSK,
8-DPSK(BT Classics)
Bluetooth Version
V4.1
Channel Number
79 Channels (BT: Classics)
1 MHz (BT Classics);
Operation frequency
Channel Spacing
Antenna Gain
Internal Antenna:
1.2dBi (Max.) :
Extreme temp. Tolerance
-10°C to +55°C :
Antenna Type
1.2 Support equipment List
Manufacturer
Lenovo
Lenovo
Description
AC/DC Adapter
PC
Model
CPA-A090
Ideapad
Serial Number
Certificate
36200414
DOC
A131101550
DOC
1.3 External I/O Cable
I/O Port Description
USB Port
Quantity
Cable
N/A
1.4 Description of Test Facility
CNAS Registration Number. is L4595.
FCC Registration Number. is 254912.
Industry Canada Registration Number. is 9642A-1.
ESMD Registration Number. is ARCB0108.
UL Registration Number. is 100571-492.
TUV SUD Registration Number. is SCN1081.
TUV RH Registration Number. is UA 50296516-001
NVLAP Registration Code is 600167-0
The 3m-Semi anechoic test site fulfils CISPR 16-1-4 according to ANSI C63.4:2014 and CISPR
16-1-4:2010 SVSWR requirement for radiated emission above 1GHz.
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
1.5 Statement of the Measurement Uncertainty
The data and results referenced in this document are true and accurate. The reader is cautioned that
there may be errors within the calibration limits of the equipment and facilities. The measurement
uncertainty was calculated for all measurements listed in this test report acc. To CISPR 16 – 4
“Specification for radio disturbance and immunity measuring apparatus and methods – Part 4:
Uncertainty in EMC Measurements” and is documented in the LCS quality system acc. To DIN EN
ISO/IEC 17025. Furthermore, component and process variability of devices similar to that tested may
result in additional deviation. The manufacturer has the sole responsibility of continued compliance of
the device.
1.6 Measurement Uncertainty
Test Item
Radiation Uncertainty
Conduction Uncertainty :
Power disturbance
Frequency Range
9KHz~30MHz
30MHz~200MHz
200MHz~1000MHz
1GHz~26.5GHz
26.5GHz~40GHz
150kHz~30MHz
30MHz~300MHz
Uncertainty
3.10dB
2.96dB
3.10dB
3.80dB
3.90dB
1.63dB
1.60dB
Note
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1). This uncertainty represents an expanded uncertainty expressed at approximately the 95%
confidence level using a coverage factor of k=2.
1.7 Description of Test Modes
Bluetooth operates in the unlicensed ISM Band at 2.4GHz. With basic data rate feature, the data rates
can be up to 1 Mb/s by modulating the RF carrier using GFSK techniques. The EUT works in the X-axis,
Y-axis, Z-axis. The following operating modes were applied for the related test items. All test modes
were tested, only the result of the worst case was recorded in the report.
Mode of Operations
BT
Frequency Range
(MHz)
2402
2441
2480
For Conducted Emission
Test Mode
Data Rate
(Mbps)
1/2/3
1/2/3
1/2/3
TX Mode
For Radiated Emission
Test Mode
TX Mode
Worst-case mode and channel used for 150 KHz-30 MHz power line conducted emissions was the
mode and channel with the highest output power that was determined to be TX (1Mbps).
Worst-case mode and channel used for 9 KHz-1000 MHz radiated emissions was the mode and
channel with the highest output power, that was determined to be TX(1Mbps-Low Channel).
AC conducted emission test performed at both voltage AC 120V/60Hz and AC 240V/60Hz.
Pre-test AC conducted emission at charge from PC mode, recorded worst case.
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 7 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
2. TEST METHODOLOGY
The tests documented in this report were performed in accordance with ANSI C63.10-2013, FCC CFR
PART 15C 15.207, 15.209, 15.247 and DA 00-705.
2.1 EUT Configuration
The EUT configuration for testing is installed on RF field strength measurement to meet the
Commissions requirement and operating in a manner that intends to maximize its emission
characteristics in a continuous normal application.
2.2 EUT Exercise
The EUT was operated in the normal operating mode for Hopping Numbers and Dwell Time test and a
continuous transmits mode for other tests.
According to its specifications, the EUT must comply with the requirements of the Section 15.207,
15.209, 15.247 under the FCC Rules Part 15 Subpart C.
2.3 General Test Procedures
2.3.1 Conducted Emissions
The EUT is directly placed on the ground. According to the requirements in Section 6.2.1 of ANSI
C63.10-2013 Conducted emissions from the EUT measured in the frequency range between 0.15 MHz
and 30MHz using Quasi-peak and average detector modes.
2.3.2 Radiated Emissions
The EUT is placed on a turntable, which is directly placed on the ground. The turntable shall rotate 360
degrees to determine the position of maximum emission level. EUT is set 3m away from the receiving
antenna, which varied from 1m to 4m to find out the highest emission. And also, each emission was to
be maximized by changing the polarization of receiving antenna both horizontal and vertical. In order to
find out the maximum emissions, exploratory radiated emission measurements were made according
to the requirements in Section 6.3 of ANSI C63.10-2013
2.4. Test Sample
The application provides 2 samples to meet requirement;
Sample Number
Sample 1
Sample 2
Description
Engineer sample – continuous transmit
Normal sample – Intermittent transmit
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Page 8 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
3. SYSTEM TEST CONFIGURATION
3.1 Justification
The system was configured for testing in a continuous transmits condition.
3.2 EUT Exercise Software
The system was configured for testing in a continuous transmits condition and change test channels by
software (Smart RF Control Kit) provided by application.
3.3 Special Accessories
No.
Equipment
Manufacturer
Model No.
Serial No.
Length
AC/DC Adapter
PC
Lenovo
Lenovo
CPA-A090
Ideapad
36200414
A131101550
1.00m
shielded/
unshielded
unshielded
Notes
DOC
DOC
3.4 Block Diagram/Schematics
Please refer to the related document.
3.5 Equipment Modifications
Shenzhen LCS Compliance Testing Laboratory Ltd. has not done any modification on the EUT.
3.6 Test Setup
Please refer to the test setup photo.
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 9 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
4. SUMMARY OF TEST RESULTS
Applied Standard: FCC Part 15 Subpart C
FCC Rules
Description of Test
Test
Sample
Result
§15.247(b)(1)
§15.247(c)
§15.247(a)(1)(ii)
§15.247(a)(1)(iii)
§15.209, §15.247(d)
§15.205
§15.207(a)
§15.203
§15.247(i)§2.1093
Maximum Conducted Output Power
Frequency Separation And 20 dB Bandwidth
Number Of Hopping Frequency
Time Of Occupancy (Dwell Time)
Radiated and Conducted Spurious Emissions
Emissions at Restricted Band
Conducted Emissions
Antenna Requirements
RF Exposure
Sample 1
Sample 1
Sample 2
Sample 2
Sample 1
Sample 1
Sample 1
Sample 1
N/A
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
Compliant
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Page 10 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
5. SUMMARY OF TEST EQUIPMENT
Item
Equipment
Power Meter
Power Sensor
Power Sensor
EPM Series Power
Meter
E-SERIES AVG
POWER SENSOR
ESA-E SERIES
SPECTRUM
ANALYZER
MXA Signal
Analyzer
SPECTRUM
ANALYZER
3m Semi Anechoic
Chamber
Positioning
10
Controller
11 EMI Test Software
12 EMI Test Receiver
13
14
15
16
17
18
19
20
21
22
23
AMPLIFIER
Active Loop
Antenna
By-log Antenna
Horn Antenna
Horn Antenna
RF Cable-R03m
Manufacturer
R&S
R&S
R&S
Model No.
NRVS
NRV-Z81
NRV-Z32
Serial No.
100444
100458
10057
Last Cal.
2017-06-17
2017-06-17
2017-06-17
Next Cal.
2018-06-16
2018-06-16
2018-06-16
Agilent
E4419B
MY45104493
2017-06-17
2018-06-16
Agilent
E9301H
MY41495234
2017-06-17
2018-06-16
Agilent
E4407B
MY41440754
2016-11-18
2017-11-17
Agilent
N9020A
MY49100040
2017-06-17
2018-06-16
R&S
FSP
100503
2017-06-17
2018-06-16
SIDT
FRANKONIA
SAC-3M
03CH03-HY
2017-06-17
2018-06-16
MF
MF-7082
2017-06-17
2018-06-16
AUDIX
ROHDE &
SCHWARZ
QuieTek
E3
N/A
2017-06-17
2018-06-16
ESR 7
101181
2017-06-17
2018-06-16
QTK-A2525G CHM10809065 2016-11-18
2017-11-17
SCHWARZBECK FMZB 1519B
SCHWARZBECK
EMCO
SCHWARZBECK
Jye Bao
00005
VULB9163
9163-470
3115
6741
BBHA9170 BBHA9170154
RG142
CB021
SUCOFLEX
RF Cable-HIGH
SUHNER
03CH03-HY
106
TEST RECEIVER
R&S
ESCI
101142
RF Cable-CON
UTIFLEX
3102-26886-4
CB049
261115-001-00
10dB Attenuator SCHWARZBECK MTS-IMP136
32
Artificial Mains
R&S
ENV216
101288
2017-06-23
2018-06-22
2017-05-02
2017-06-23
2017-06-10
2017-06-17
2018-05-01
2018-06-22
2018-06-09
2018-06-16
2017-06-17
2018-06-16
2017-06-17
2017-06-17
2018-06-16
2018-06-16
2017-06-17
2018-06-16
2017-06-17
2018-06-16
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Page 11 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6. MEASUREMENT RESULTS
6.1 Peak Power
6.1.1 Block Diagram of Test Setup
6.1.2 Limit
According to §15.247(b)(1), For frequency hopping systems operating in the 2400–2483.5 MHz band
employing at least 75 non-overlapping hopping channels, and all frequency hopping systems in the
5725–5850 MHz band: 1 watt. For all other frequency hopping systems in the 2400–2483.5 MHz band:
0.125 watts.
6.1.3 Test Procedure
The transmitter output (antenna port) was connected to the spectrum analyzer.
According to ANSI C63.10:2013 Output power test procedure for frequency-hopping spread-spectrum
(FHSS) devices; this is an RF-conducted test to evaluate maximum peak output power. Use a direct
connection between the antenna port of the unlicensed wireless device and the spectrum analyzer,
through suitable attenuation. The hopping shall be disabled for this test:
a) Use the following spectrum analyzer settings:
1) Span: Approximately five times the 20 dB bandwidth, centered on a hopping channel.
2) RBW > 20 dB bandwidth of the emission being measured.
3) VBW ≥ RBW.
4) Sweep: Auto.
5) Detector function: Peak.
6) Trace: Max hold.
b) Allow trace to stabilize.
c) Use the marker-to-peak function to set the marker to the peak of the emission.
d) The indicated level is the peak output power, after any corrections for external attenuators and
cables.
6.1.4 Test Results
Test Mode
GFSK
π/4DQPSK
8DPSK
Channel
Frequency
(MHz)
39
78
39
78
39
78
2402
2441
2480
2402
2441
2480
2402
2441
2480
Measured Maximum
Peak Power
(dBm)
2.759
2.637
2.416
1.988
1.993
1.640
2.036
2.083
1.832
Limits
(dBm)
Verdict
21
PASS
21
PASS
21
PASS
Remark:
1. Test results including cable loss;
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
2. Measured output power at difference Packet Type for each mode and recorded worst case for each
mode.
3. Average power is only for report;
4. Plesase See appendix A Section 2 for Peak Output Power test data
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.2 Frequency Separation and 20 dB Bandwidth
6.2.1 Limit
According to §15.247(a) (1), Frequency hopping systems shall have hopping channel carrier
frequencies separated by a minimum of 25 kHz or the 20 dB bandwidth of the hopping channel,
whichever is greater. Alternatively, frequency hopping systems operating in the 2400-2483.5 MHz band
may have hopping channel carrier frequencies that are separated by 25 kHz or two-thirds of the 20 dB
bandwidth of the hopping channel, whichever is greater, provided the systems operate with an output
power no greater than 125 mW.
6.2.2 Block Diagram of Test Setup
6.2.3 Test Procedure
Frequency separation test 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 loss RF cable from the antenna port to
the Spectrum Analyzer.
3). Set center frequency of Spectrum Analyzer = middle of hopping channel.
4). Set the Spectrum Analyzer as RBW = 100 kHz, VBW = 100 kHz, Span = wide enough to capture
the peaks of two adjacent channels, Sweep = auto.
5). Max hold, mark 2 peaks of hopping channel and record the 2 peaks frequency.
20dB bandwidth test procedure:
1). Span = approximately 2 to 3 times the 20 dB bandwidth, centered on a hopping channel.
2). RBW ≥1% of the 20 dB bandwidth, VBW ≥RBW.
3). Detector function = peak.
4). Trace = max hold.
6.2.4 Test Results
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.2.4.1 20dB Bandwidth
Test Mode
GFSK
π/4DQPSK
8DPSK
Channel
39
78
39
78
39
78
Frequency
(MHz)
2402
2441
2480
2402
2441
2480
2402
2441
2480
Occupied Bandwidth (KHz)
20dB
1.032
1.029
1.031
1.293
1.296
1.292
1.296
1.304
1.300
Limits
(KHz)
Verdict
No Limits
PASS
No Limits
PASS
No Limits
PASS
Remark:
1. Test results including cable loss;
2. Measured 99% and 20dB Bandwidth at difference Packet Type for each mode and recorded worst case
for each mode.
3. Worst case data at DH5 for GFSK, 2DH5 for π/4DQPSK, 3DH5 for 8DPSK modulation type;
4. Please refer following test plots;
Plesase See appendix A for Section 1 for 20dB Bandwidth test data
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Page 15 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.2.4.2 Frequency Separation
Temperature
25.8℃
Humidity
52.1%
Test Engineer
Ryan Hu
Configurations
BT
The Measurement Result With 1Mbps for GFSK Modulation
20dB Bandwidth
Channel Separation
Limit
Channel
(MHz)
(MHz)
(MHz)
Low
1.032
0.882
0.688
Middle
1.029
0.870
0.686
High
1.031
0.898
0.687
The Measurement Result With 2Mbps For π/4-DQPSK Modulation
20dB Bandwidth
Channel Separation
Limit
Channel
(MHz)
(MHz)
(MHz)
Low
1.293
1.154
0.862
Middle
1.296
0.954
0.864
High
1.292
1.300
0.861
The Measurement Result With 3Mbps For 8-DPSK Modulation
20dB Bandwidth
Channel Separation
Limit
Channel
(MHz)
(MHz)
(MHz)
Low
1.296
0.982
0.864
Middle
1.304
0.994
0.869
High
1.300
1.158
0.867
Result
PASS
PASS
PASS
Result
PASS
PASS
PASS
Result
PASS
PASS
PASS
Remark:
1. Test results including cable loss;
2. Please refer to following plots;
3. Measured at difference Packet Type for each mode and recorded worst case for each mode.
4. Worst case data at DH5 for GFSK, 2DH5 for π/4-DQPSK, 3DH5 for 8DPSK modulation type;
5. Plesase See appendix A Section 3 for Frequency Separation test data
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Page 16 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.3 Number of Hopping Frequency
6.3.1 Limit
According to §15.247(a)(1)(ii) or A8.1 (d), Frequency hopping systems operating in the band
2400-2483.5 MHz shall use at least 15 hopping channels.
6.3.2 Block Diagram of Test Setup
6.3.3 Test 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 loss RF cable from the antenna port to
the Spectrum Analyzer.
3). Set Spectrum Analyzer Start=2400MHz, Stop = 2483.5MHz, Sweep = auto.
4). Set the Spectrum Analyzer as RBW, VBW=1MHz.
5). Max hold, view and count how many channel in the band.
6.3.4 Test Results
Test Mode
GFSK
π/4DQPSK
8DPSK
Measurement Result
(No. of Channels)
79
79
79
Limit
(No. of Channels)
≥15
≥15
≥15
Result
PASS
PASS
PASS
Remark:
1. Test results including cable loss;
2. Measured number of hopping channels at difference Packet Type for each mode and recorded worst
case for each mode.
3. Worst case data at DH5 for GFSK, 2DH5 for π/4DQPSK, 3DH5 for 8DPSK modulation type;
4. Record test plots only for GFSK;
5. Please refer following test plots;
6. Plesase See appendix A Section 5 for Number of Hopping Frequency test data
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Page 17 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.4 Time of Occupancy (Dwell Time)
6.4.1 Limit
According to §15.247(a)(1)(iii) or A8.1 (d), Frequency hopping systems operating in the 2400MHz2483.5 MHz bands. The average time of occupancy on any channels shall not greater than 0.4 s within
a period 0.4 s multiplied by the number of hopping channels employed.
6.4.2 Block Diagram of Test Setup
6.4.3 Test 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 loss RF cable from the antenna port to
the Spectrum Analyzer.
3). Set center frequency of Spectrum Analyzer = operating frequency.
4). Set the Spectrum Analyzer as RBW, VBW=1MHz, Span = 0Hz, Sweep = auto.
5). Repeat above procedures until all frequency measured was complete.
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FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.4.4 Test Results
The Dwell Time=Burst Width*Total Hops. The detailed calculations are showed as follows:
The duration for dwell time calculation: 0.4[s]*hopping number=0.4[s]*79[ch] =31.6[s*ch];
The burst width [ms/hop/ch], which is directly measured, refers to the duration on one channel hop.
The hops per second for all channels: The selected EUT Conf uses a slot type of 5-Tx&1-Rx and a
hopping rate of 1600 [ch*hop/s] for all channels. So the final hopping rate for all channels is
1600/6=266.67 [ch*hop/s]
The hops per second on one channel: 266.67 [ch*hops/s]/79 [ch] =3.38 [hop/s];
The total hops for all channels within the dwell time calculation duration: 3.38 [hop/s]*31.6[s*ch]=106.67
[hop*ch];
The dwell time for all channels hopping: 106.67 [hop*ch]*Burst Width [ms/hop/ch].
Mode
GFSK
π/4-DQPSK
8DPSK
Frequency
(MHz)
2402
2441
2480
2402
2441
2480
2402
2441
2480
Burst Type
DH5
DH5
DH5
2DH5
2DH5
2DH5
3DH5
3DH5
3DH5
Pulse Width
(ms)
2.87
2.87
2.87
2.88
2.88
2.88
2.88
2.88
2.88
Dwell Time
(S)
0.306
0.306
0.306
0.307
0.307
0.307
0.307
0.307
0.307
Limit
(S)
Verdict
0.4
PASS
0.4
PASS
0.4
PASS
Plesase See appendix A Section 4 for Number of Dwell Time test data
Remark:
1. Test results including cable loss;
2. Please refer to following plots;
3. Measured at difference Packet Type for each mode and recorded worst case for each mode.
4. Dwell Time Calculate formula:
DH1: Dwell time=Pulse time (ms) × (1600 ÷ 2 ÷ 79) ×31.6 Second
DH3: Dwell time=Pulse time (ms) × (1600 ÷ 4 ÷ 79) ×31.6 Second
DH5: Dwell time=Pulse Time (ms) × (1600 ÷ 6 ÷ 79) ×31.6 Second
5. Measured at low, middle and high channel, recorded worst at middle channel;
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Page 19 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.5 Conducted Spurious Emissions and Band Edges Test
6.5.1 Limit
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. Attenuation below the general limits specified in Section 15.209(a) is not required.
6.5.2 Block Diagram of Test Setup
6.5.3 Test Procedure
Conducted RF measurements of the transmitter output were made to confirm that the EUT antenna
port conducted emissions meet the specified limit and to identify any spurious signals that require
further investigation or measurements on the radiated emissions site.
The transmitter output is connected to the spectrum analyzer. The resolution bandwidth is set to 100
KHz. The video bandwidth is set to 300 KHz.
Measurements are made over the 9 kHz to 26.5GHz range with the transmitter set to the lowest, middle,
and highest channels
6.5.4 Test Results of Conducted Spurious Emissions
No non-compliance noted. Only record the worst test result in this report. The test data refer to the
following page.
Test Mode
GFSK
π/4-DQPSK
8DPSK
Channel
Frequency
(MHz)
Measured
Frequency Range
39
78
39
78
39
78
2402
2441
2480
2402
2441
2480
2402
2441
2480
9 KHz – 26.5 GHz
9 KHz – 26.5 GHz
9 KHz – 26.5 GHz
9 KHz – 26.5 GHz
9 KHz – 26.5 GHz
9 KHz – 26.5 GHz
9 KHz – 26.5 GHz
9 KHz – 26.5 GHz
9 KHz – 26.5 GHz
Spurious RF
Conducted Emission
(dBc)
<-20
<-20
<-20
<-20
<-20
<-20
<-20
<-20
<-20
Limits
(dBc)
Verdict
-20
PASS
-20
PASS
-20
PASS
Remark:
1. Test results including cable loss;
2. Please refer to following plots;
3. Measured at difference Packet Type for each mode and recorded worst case for each mode.
Plesase See appendix A Section 6 for Band Edges
And appendix A Section 7 for Conducted Spurious Emissions test data
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Page 20 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.6 Restricted Band Emission Limit
6.6.1. Standard Applicable
15.205 (a) Except as shown in paragraph (d) of this section, only spurious emissions are permitted in
any of the frequency bands listed below:
MHz
0.090-0.110
\1\ 0.495-0.505
2.1735-2.1905
4.125-4.128
4.17725-4.17775
4.20725-4.20775
6.215-6.218
6.26775-6.26825
6.31175-6.31225
8.291-8.294
8.362-8.366
8.37625-8.38675
8.41425-8.41475
12.29-12.293.
12.51975-12.52025
12.57675-12.57725
13.36-13.41
MHz
16.42-16.423
16.69475-16.69525
16.80425-16.80475
25.5-25.67
37.5-38.25
73-74.6
74.8-75.2
108-121.94
123-138
149.9-150.05
156.52475-156.52525
156.7-156.9
162.0125-167.17
167.72-173.2
240-285
322-335.4
MHz
399.9-410
608-614
960-1240
1300-1427
1435-1626.5
1645.5-1646.5
1660-1710
1718.8-1722.2
2200-2300
2310-2390
2483.5-2500
2690-2900
3260-3267
3332-3339
3345.8-3358
3600-4400
GHz
4.5-5.15
5.35-5.46
7.25-7.75
8.025-8.5
9.0-9.2
9.3-9.5
10.6-12.7
13.25-13.4
14.47-14.5
15.35-16.2
17.7-21.4
22.01-23.12
23.6-24.0
31.2-31.8
36.43-36.5
(\2\)
\1\ Until February 1, 1999, this restricted band shall be 0.490-0.510 MHz.
\2\ Above 38.6
According to §15.247 (d): 20dBc in any 100 kHz bandwidth outside the operating frequency band. In
case the emission fall within the restricted band specified on 15.205(a), then the 15.209(a) limit in the
table below has to be followed.
Frequencies
Field Strength
Measurement Distance
(MHz)
(microvolts/meter)
(meters)
0.009~0.490
2400/F(KHz)
300
0.490~1.705
24000/F(KHz)
30
1.705~30.0
30
30
30~88
100
88~216
150
216~960
200
Above 960
500
6.6.2. Measuring Instruments and Setting
Please refer to equipment list in this report. The following table is the setting of spectrum analyzer and
receiver.
Spectrum Parameter
Attenuation
Start Frequency
Stop Frequency
RB / VB (Emission in restricted band)
RB / VB (Emission in non-restricted band)
Setting
Auto
1000 MHz
10th carrier harmonic
1MHz / 1MHz for Peak, 1 MHz / 1/B kHz for Average
1MHz / 1MHz for Peak, 1 MHz / 1/B kHz for Average
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
Receiver Parameter
Attenuation
Start ~ Stop Frequency
Start ~ Stop Frequency
Start ~ Stop Frequency
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
Setting
Auto
9kHz~150kHz / RB/VB 200Hz/1KHz for QP/AVG
150kHz~30MHz / RB/VB 9kHz/30KHz for QP/AVG
30MHz~1000MHz / RB/VB 120kHz/1MHz for QP
6.6.3. Test Procedures
1) Sequence of testing 9 kHz to 30 MHz
Setup:
--- The equipment was set up to simulate a typical usage like described in the user manual or
described by manufacturer.
--- If the EUT is a tabletop system, a rotatable table with 0.8 m height is used.
--- If the EUT is a floor standing device, it is placed on the ground.
--- Auxiliary equipment and cables were positioned to simulate normal operation conditions.
--- The AC power port of the EUT (if available) is connected to a power outlet below the turntable.
--- The measurement distance is 3 meter.
--- The EUT was set into operation.
Premeasurement:
--- The turntable rotates from 0° to 315° using 45° steps.
--- The antenna height is 0.8 meter.
--- At each turntable position the analyzer sweeps with peak detection to find the maximum of all
emissions
Final measurement:
--- Identified emissions during the premeasurement the software maximizes by rotating the turntable
position (0° to 360°) and by rotating the elevation axes (0° to 360°).
--- The final measurement will be done in the position (turntable and elevation) causing the highest
emissions with QPK detector.
--- The final levels, frequency, measuring time, bandwidth, turntable position, correction factor, margin
to the limit and limit will be recorded. Also a plot with the graph of the premeasurement and the limit will
be stored.
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
2) Sequence of testing 30 MHz to 1 GHz
Setup:
--- The equipment was set up to simulate a typical usage like described in the user manual or
described by manufacturer.
--- If the EUT is a tabletop system, a table with 0.8 m height is used, which is placed on the ground
plane.
--- If the EUT is a floor standing device, it is placed on the ground plane with insulation between both.
--- Auxiliary equipment and cables were positioned to simulate normal operation conditions
--- The AC power port of the EUT (if available) is connected to a power outlet below the turntable.
--- The measurement distance is 3 meter.
--- The EUT was set into operation.
Premeasurement:
--- The turntable rotates from 0° to 315° using 45° steps.
--- The antenna is polarized vertical and horizontal.
--- The antenna height changes from 1 to 3 meter.
--- At each turntable position, antenna polarization and height the analyzer sweeps three times in peak
to find the maximum of all emissions.
Final measurement:
--- The final measurement will be performed with minimum the six highest peaks.
--- According to the maximum antenna and turntable positions of premeasurement the software
maximize the peaks by changing turntable position (± 45°) and antenna movement between 1 and 4
meter.
--- The final measurement will be done with QP detector with an EMI receiver.
--- The final levels, frequency, measuring time, bandwidth, antenna height, antenna polarization,
turntable angle, correction factor, margin to the limit and limit will be recorded. Also a plot with the
graph of the premeasurement with marked maximum final measurements and the limit will be stored.
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
3) Sequence of testing 1 GHz to 18 GHz
Setup:
--- The equipment was set up to simulate a typical usage like described in the user manual or
described by manufacturer.
--- If the EUT is a tabletop system, a rotatable table with 1.5 m height is used.
--- If the EUT is a floor standing device, it is placed on the ground plane with insulation between both.
--- Auxiliary equipment and cables were positioned to simulate normal operation conditions
--- The AC power port of the EUT (if available) is connected to a power outlet below the turntable.
--- The measurement distance is 3 meter.
--- The EUT was set into operation.
Premeasurement:
--- The turntable rotates from 0° to 315° using 45° steps.
--- The antenna is polarized vertical and horizontal.
--- The antenna height scan range is 1 meter to 2.5 meter.
--- At each turntable position and antenna polarization the analyzer sweeps with peak detection to find
the maximum of all emissions.
Final measurement:
--- The final measurement will be performed with minimum the six highest peaks.
--- According to the maximum antenna and turntable positions of premeasurement the software
maximize the peaks by changing turntable position (± 45°) and antenna movement between 1 and 4
meter. This procedure is repeated for both antenna polarizations.
--- The final measurement will be done in the position (turntable, EUT-table and antenna polarization)
causing the highest emissions with Peak and Average detector.
--- The final levels, frequency, measuring time, bandwidth, turntable position, EUT-table position,
antenna polarization, correction factor, margin to the limit and limit will be recorded. Also a plot with the
graph of the premeasurement with marked maximum final measurements and the limit will be stored.
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
4) Sequence of testing above 18 GHz
Setup:
--- The equipment was set up to simulate a typical usage like described in the user manual or
described by manufacturer.
--- If the EUT is a tabletop system, a rotatable table with 1.5 m height is used.
--- If the EUT is a floor standing device, it is placed on the ground plane with insulation between both.
--- Auxiliary equipment and cables were positioned to simulate normal operation conditions
--- The AC power port of the EUT (if available) is connected to a power outlet below the turntable.
--- The measurement distance is 1 meter.
--- The EUT was set into operation.
Premeasurement:
--- The antenna is moved spherical over the EUT in different polarizations of the antenna.
Final measurement:
--- The final measurement will be performed at the position and antenna orientation for all detected
emissions that were found during the premeasurements with Peak and Average detector.
--- The final levels, frequency, measuring time, bandwidth, correction factor, margin to the limit and limit
will be recorded. Also a plot with the graph of the premeasurement and the limit will be stored.
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Page 25 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.6.4. Test Setup Layout
Above 18 GHz shall be extrapolated to the specified distance using an extrapolation factor of 20
dB/decade form 3m to 1m.
Distance extrapolation factor = 20 log (specific distanc [3m] / test distance [1m]) (dB);
Limit line = specific limits (dBuV) + distance extrapolation factor [6 dB].
6.6.5. EUT Operation during Test
The EUT was programmed to be in continuously transmitting mode.
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.6.6. Results of Radiated Emissions (9 KHz~30MHz)
Temperature
Test Engineer
Humidity
Configurations
25℃
Chaz
60%
BT
Freq.
(MHz)
Level
(dBuV)
Over Limit
(dB)
Over Limit
(dBuV)
Remark
See Note
Note:
The amplitude of spurious emissions which are attenuated by more than 20 dB below the permissible
value has no need to be reported.
Distance extrapolation factor = 40 log (specific distance / test distance) (dB);
Limit line = specific limits (dBuV) + distance extrapolation factor.
PASS.
Only record the worst test result in this report.
The test data please refer to following page.
Below 1GHz (Low Channel)
Vertical
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
Horizontal
***Note:
Pre-scan all mode and recorded the worst case results in this report (TX-Low Channel (1Mbps)).
Emission level (dBuV/m) = 20 log Emission level (uV/m).
Corrected Reading: Antenna Factor + Cable Loss + Read Level - Preamp Factor = Level.
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
Above 1GHz
Note: All the modes have been tested and recorded worst mode in the report.
The worst test result for GFSK, Channel 0 / 2402 MHz
Freq.
MHz
Reading
dBuV
4804.00
4804.00
4804.00
4804.00
54.46
37.13
51.73
40.94
Ant.
Fac.
dB/m
33.06
33.06
33.06
33.06
Pre.
Fac.
dB
35.04
35.04
35.04
35.04
Cab.
Loss
dB
3.94
3.94
3.94
3.94
Measured
dBuV/m
Limit
dBuV/m
Margin
dB
Remark
Pol.
56.42
39.09
53.69
42.90
74.00
54.00
74.00
54.00
-17.58
-14.91
-20.31
-11.10
Peak
Average
Peak
Average
Horizontal
Horizontal
Vertical
Vertical
Measured
dBuV/m
Limit
dBuV/m
Margin
dB
Remark
Pol.
54.23
38.77
54.00
43.96
74.00
54.00
74.00
54.00
-19.77
-15.23
-20.00
-10.04
Peak
Average
Peak
Average
Horizontal
Horizontal
Vertical
Vertical
Measured
dBuV/m
Limit
dBuV/m
Margin
dB
Remark
Pol.
56.98
49.71
56.93
41.68
74.00
54.00
74.00
54.00
-17.02
-4.29
-17.07
-12.32
Peak
Average
Peak
Average
Horizontal
Horizontal
Vertical
Vertical
The worst test result for GFSK, Channel 39 / 2441 MHz
Freq.
MHz
Reading
dBuV
4882.00
4882.00
4882.00
4882.00
52.26
36.80
52.03
41.99
Ant.
Fac.
dB/m
33.16
33.16
33.16
33.16
Pre.
Fac.
dB
35.15
35.15
35.15
35.15
Cab.
Loss
dB
3.96
3.96
3.96
3.96
The worst test result for GFSK, Channel 78 / 2480 MHz
Freq.
MHz
Reading
dBuV
4960.00
4960.00
4960.00
4960.00
54.88
47.61
54.83
39.58
Ant.
Fac.
dB/m
33.26
33.26
33.26
33.26
Pre.
Fac.
dB
35.14
35.14
35.14
35.14
Cab.
Loss
dB
3.98
3.98
3.98
3.98
Notes:
1). Measuring frequencies from 9 KHz~10th harmonic (ex. 26GHz), No emission found between lowest
internal used/generated frequency to 30 MHz.
2). Radiated emissions measured in frequency range from 9 KHz~10th harmonic (ex. 26GHz) were
made with an instrument using Peak detector mode.
3). 18~25GHz at least have 20dB margin. No recording in the test report.
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Page 29 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.7. AC Power line conducted emissions
6.7.1 Standard Applicable
According to §15.207 (a): For an intentional radiator which is designed to be connected to the public
utility (AC) power line, the radio frequency voltage that is conducted back onto the AC power line on
any frequency or frequencies within the band 150 kHz to 30 MHz shall not exceed 250 microvolts (The
limit decreases linearly with the logarithm of the frequency in the range 0.15 MHz to 0.50 MHz). The
limits at specific frequency range is listed as follows:
Limits (dBμV)
Frequency Range
(MHz)
0.15 to 0.50
0.50 to 5
5 to 30
Quasi-peak
66 to 56
56
60
Average
56 to 46
46
50
* Decreasing linearly with the logarithm of the frequency
6.7.2 Block Diagram of Test Setup
Vert. reference
plane
EMI receiver
EUT
PC
LISN
Reference ground plane
6.7.3 Test Results
PASS.
The test data please refer to following page.
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Page 30 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
Test Results for AC 120V/60Hz @ GFSK (worst case)
Line
Neutral
Note: Pre-scan all modes and recorded the worst case results in this report (TX-high channel).
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Page 31 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.8. Band-edge measurements for radiated emissions
6.8.1 Standard Applicable
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)).
6.8.2. Test Setup Layout
6.8.3. Measuring Instruments and Setting
Please refer to equipment list in this report. The following table is the setting of Spectrum Analyzer.
6.8.4. Test Procedures
According to KDB 412172 section 1.1 Field Strength Approach (linear terms):
eirp = pt x gt = (E x d)2/30
Where:
pt = transmitter output power in watts,
gt = numeric gain of the transmitting antenna (unitless),
E = electric field strength in V/m,
d = measurement distance in meters (m).
erp = eirp/1.64 = (E x d)2/(30 x 1.64)
Where all terms are as previously defined.
1. Check the calibration of the measuring instrument using either an internal calibrator or a known signal
from an external generator.
2. Remove the antenna from the EUT and then connect to a low loss RF cable from the antenna port to an
EMI test receiver, then turn on the EUT and make it operate in transmitting mode. Then set it to Low
Channel and High Channel within its operating range, and make sure the instrument is operated in its
linear range.
3. Set both RBW and VBW of spectrum analyzer to 100 kHz with a convenient frequency span including
100kHz bandwidth from band edge, for Radiated emissions restricted band RBW=1MHz, VBW=3MHz
for peak detector and RBW=1MHz, VBW=1/B for Peak detector.
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.
6. Measure the conducted output power (in dBm) using the detector specified by the appropriate regulatory
agency for guidance regarding measurement procedures for determining quasi-peak, peak, and average
conducted output power, respectively).
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
7. Add the maximum transmit antenna gain (in dBi) to the measured output power level to determine the
EIRP level (see 12.2.5 for guidance on determining the applicable antenna gain)
8. Add the appropriate maximum ground reflection factor to the EIRP level (6 dB for frequencies ≤ 30 MHz,
4.7 dB for frequencies between 30 MHz and 1000 MHz, inclusive and 0 dB for frequencies > 1000 MHz).
9. For devices with multiple antenna-ports, measure the power of each individual chain and sum the EIRP
of all chains in linear terms (e.g., Watts, mW).
10. Compare the resultant electric field strength level to the applicable regulatory limit.
11. Perform radiated spurious emission test duress until all measured frequencies were complete.
6.8.5. Test Results
Frequency
(MHz)
Conducted
Power
(dBm)
2310.000
2390.000
2483.500
2500.000
-45.65
-45.87
-45.83
-45.12
Frequency
(MHz)
Conducted
Power
(dBm)
2310.000
2390.000
2483.500
2500.000
-45.64
-46.08
-44.66
-45.77
Frequency
(MHz)
Conducted
Power
(dBm)
2310.000
2390.000
2483.500
2500.000
-46.54
-45.76
-44.89
-46.02
GFSK – Non-Hopping
Covert
Ground
Antenna
Radiated E
Reflection
Gain
Level At
Factor
(dBi)
3m
(dB)
(dBuV/m)
2.00
0.0
51.610
2.00
0.0
51.390
2.00
0.0
51.430
2.00
0.0
52.140
π/4DQPSK – Non-Hopping
Ground
Covert
Antenna
Reflection
Radiated E
Gain
Factor
Level At 3m
(dBi)
(dB)
(dBuV/m)
2.00
51.620
2.00
51.180
2.00
52.600
2.00
51.490
8DPSK – Non-Hopping
Ground
Covert
Antenna
Reflection
Radiated E
Gain
Factor
Level At 3m
(dBi)
(dB)
(dBuV/m)
2.00
50.720
2.00
51.500
2.00
52.370
2.00
51.240
Detector
Limit
(dBuV/m)
Verdict
Peak
Peak
Peak
Peak
74.00
74.00
74.00
74.00
PASS
PASS
PASS
PASS
Detector
Limit
(dBuV/m)
Verdict
Peak
Peak
Peak
Peak
74.00
74.00
74.00
74.00
PASS
PASS
PASS
PASS
Detector
Limit
(dBuV/m)
Verdict
Peak
Peak
Peak
Peak
74.00
74.00
74.00
74.00
PASS
PASS
PASS
PASS
Remark:
1. Measured at difference Packet Type for each mode and recorded worst case for each mode.
2. Measured at Hopping and Non-Hopping mode, recorded worst at Non-Hopping mode.
3. The other emission levels were very low against the limit.
4. The average measurement was not performed when the peak measured data under the limit of average
detection.
5. Detector AV is setting spectrum/receiver. RBW=1MHz/VBW=330Hz/Sweep time=Auto/Detector=Peak;
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6. Since the out-of-band characteristics of the EUT transmit antenna will often be unknown, the use of a
conservative antenna gain value is necessary. Thus, when determining the EIRP based on the
measured conducted power, the upper bound on antenna gain for a device with a single RF output shall
be selected as the maximum in-band gain of the antenna across all operating bands, or 2 dBi, whichever
is greater. However, for devices that operate in multiple frequency bands while using the same transmit
antenna, the highest gain of the antenna within the operating band nearest in frequency to the restricted
band emission being measured may be used in lieu of the overall highest gain when the emission is at a
frequency that is within 20 percent of the nearest band edge frequency, but in no case shall a value less
than 2 dBi be used.
Plesase See appendix A Section 8 for Restrict-band band-edge measurements test data.
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Page 34 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.9. Pseudorandom frequency hopping sequence
6.9.1 Standard Applicable
For 47 CFR Part 15C sections 15.247 (a) (1) requirement:
Frequency hopping systems shall have hopping channel carrier frequencies separated by a minimum of
25 kHz or the 20 dB bandwidth of the hop-ping channel, whichever is greater. Alternatively, frequency
hopping systems operating in the 2400–2483.5 MHz band may have hopping channel carrier
frequencies that are separated by 25 kHz or two-thirds of the 20 dB bandwidth of the hopping channel,
whichever is greater, provided the systems operate with an output power no greater than 125 mW. The
system shall hop to channel frequencies that are selected at the system hopping rate from a pseudo
randomly ordered list of hopping frequencies. Each frequency must be used equally on the average by
each transmitter. The system receivers shall have input bandwidths that match the hop-ping channel
bandwidths of their corresponding transmitters and shall shift frequencies in synchronization with the
transmitted signals.
6.9.2 EUT Pseudorandom Frequency Hopping Sequence Requirement
The pseudorandom frequency hopping sequence may be generated in a nice-stage shift register whose
5th first stage. The sequence begins with the first one of 9 consecutive ones, for example: the shift
register is initialized with nine ones.
● Number of shift register stages:9
● Length of pseudo-random sequence:29-1=511 bits
● Longest sequence of zeros:8(non-inverted signal)
An example of pseudorandom frequency hopping sequence as follows:
Each frequency used equally one the average by each transmitter.
The system receiver have input bandwidths that match the hopping channel bandwidths of their
corresponding transmitter and shift frequencies in synchronization with the transmitted signals.
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Page 35 of 38
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
6.10. Antenna requirement
6.10.1 Standard Applicable
According to antenna requirement of §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 re-placed by the user, but the use of a standard antenna jack or electrical connector is prohibited.
This requirement does not apply to carrier current devices or to devices operated under the provisions
of Sections 15.211, 15.213, 15.217, 15.219, or 15.221. Further, this requirement does not apply to
intentional radiators that must be professionally installed, such as perimeter protection systems and
some field disturbance sensors, or to other intentional radiators which, in accordance with Section
15.31(d), must be measured at the installation site. However, the installer shall be responsible for
ensuring that the proper antenna is employed so that the limits in this Part are not exceeded.
And according to §15.247(4)(1), system operating in the 2400-2483.5MHz bands that are used
exclusively for fixed, point-to-point operations may employ transmitting antennas with directional gain
greater than 6dBi provided the maximum peak output power of the intentional radiator is reduced by 1
dB for every 3 dB that the directional gain of the antenna exceeds 6dBi.
6.10.2 Antenna Connected Construction
6.10.2.1. Standard Applicable
According to § 15.203 & RSS-Gen, 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.
6.10.2.2. Antenna Connector Construction
The directional gains of antenna used for transmitting is 1.2 dBi, and the antenna is an internal antenna
connect to PCB board and no consideration of replacement. Please see EUT photo for details.
The WLAN and BT share difference modular and difference antenna.
6.10.2.3. Results: Compliance.
Measurement
The antenna gain of the complete system is calculated by the difference of radiated power in EIRP and
the conducted power of the module. For normal BT devices, the GFSK mode is used.
Conducted power refer ANSI C63.10:2013 Section 7.8.5 Output power test procedure for
frequency-hopping spread-spectrum (FHSS) devices
Radiated power refers to ANSI C63.10:2013 Section 6.6.4 Radiated emissions tests.
Measurement parameters
Measurement parameter
Detector:
Sweep Time:
Resolution bandwidth:
Video bandwidth:
Trace-Mode:
Peak
Auto
1MHz
3MHz
Max hold
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
Limits
FCC
ISED
Antenna Gain
6 dBi
Note: The antenna gain of the complete system is calculated by the difference of radiated power in
EIRP and the conducted power of the module. For BT V3.0 devices, the GFSK mode is used;
Tnom
Vnom
lowest channel
2402 MHz
Conducted power [dBm]
Measured with
2.759
GFSK modulation
Radiated power [dBm]
Measured with
3.879
GFSK modulation
Gain [dBi] Calculated
1.12
Measurement uncertainty
middle channel
2441 MHz
highest channel
2480 MHz
2.637
2.416
3.697
3.496
1.06
1.08
± 1.6 dB (cond.) / ± 3.8 dB (rad.)
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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.
FCC ID: 2AAQFQ11
Report No.: LCS171031029AE
7. TEST SETUP PHOTOGRAPHS OF EUT
Please refer to separated files for Test Setup Photos of the EUT.
8. EXTERIOR PHOTOGRAPHS OF THE EUT
Please refer to separated files for Test Setup Photos of the EUT.
9. INTERIOR PHOTOGRAPHS OF THE EUT
Please refer to separated files for Test Setup Photos of the EUT.
----------------THE END OF REPORT---------------
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Page 38 of 38
Download: Q11 BLUETOOTH SPEAKER Test Report Shenzhen Sunspring Electronics Co., Ltd. China Electronics Shenzhen Company
Mirror Download [FCC.gov]Q11 BLUETOOTH SPEAKER Test Report Shenzhen Sunspring Electronics Co., Ltd. China Electronics Shenzhen Company
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