Vr all-in-one Test Report Shenzhen Sunspring Electronics Co., Ltd. SHENZHEN RUIHE TECHNOLOGY CO.,LTD

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Document DescriptionRF Test Report
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Document TitleShenzhen Sunspring Electronics Co., Ltd.

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 1 of 46
FCC TEST REPORT
FOR
SHENZHEN RUIHE TECHNOLOGY CO.,LTD
Vr all-in-one
Test Model: RT-V03
Prepared for
:
SHENZHEN RUIHE TECHNOLOGY CO.,LTD
Address
:
3/F B1 Building, Mingjun Industrial park, Huaning Rd, Bao’an
Area, Shenzhen, China
Prepared by
:
Shenzhen LCS Compliance Testing Laboratory Ltd.
Address
:
1/F., Xingyuan Industrial Park, Tongda Road, Bao'an Avenue,
Bao'an District, Shenzhen, Guangdong, China
Tel
:
(+86)755-82591330
Fax
:
(+86)755-82591332
Web
:
www.LCS-cert.com
Mail
:
[email protected]
Date of receipt of test sample
:
December 01, 2016
Number of tested samples
:
1
Serial number
:
Prototype
Date of Test
:
December 01, 2016~December 23, 2016
Date of Report
:
December 23, 2016
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 2 of 46
FCC TEST REPORT
FCC CFR 47 PART 15 C(15.247): 2015
Report Reference No. .................
:
LCS1612223160E
Date of Issue ...................................
:
December 23, 2016
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 ..........................
:
SHENZHEN RUIHE TECHNOLOGY CO.,LTD
Address ...........................................
:
3/F B1 Building, Mingjun Industrial park, Huaning Rd, Bao’an Area,
Shenzhen, China
Test Specification
Standard..........................................
:
FCC CFR 47 PART 15 C(15.247): 2015
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. ..................
:
Vr all-in-one
Trade Mark ......................................
:
REMAX
Model/ Type reference ....................
:
RT-V03
Ratings ............................................
:
DC 3.7V by battery(3200mAh)
Recharged by DC 5V/2A
Result ...........................................
:
Positive
Supervised by:
Approved by:
Glin Lu/ Technique principal
Gavin Liang/ Manager
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 3 of 46
FCC -- TEST REPORT
Test Result
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.
Test Report No. :
LCS1612223160E
December 23, 2016
Date of issue
Type / Model...........................
:
RT-V03
EUT.........................................
:
Vr all-in-one
Applicant...............................
:
SHENZHEN RUIHE TECHNOLOGY CO.,LTD
Address..................................
:
3/F B1 Building, Mingjun Industrial park, Huaning Rd, Bao’an Area,
Shenzhen, China
Telephone...............................
:
/
Fax..........................................
:
/
Manufacturer........................
:
SHENZHEN RUIHE TECHNOLOGY CO.,LTD
Address...................................
:
3/F B1 Building, Mingjun Industrial park, Huaning Rd, Bao’an Area,
Shenzhen, China
Telephone...............................
:
/
Fax..........................................
:
/
Factory...................................
:
SHENZHEN RUIHE TECHNOLOGY CO.,LTD
Address...................................
:
3/F B1 Building, Mingjun Industrial park, Huaning Rd, Bao’an Area,
Shenzhen, China
Telephone...............................
:
/
Fax..........................................
:
/
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 4 of 46
Revision History
Revision
Issue Date
Revisions
Revised By
00
2016-12-23
Initial Issue
Gavin Liang
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 5 of 46
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
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 ..................................................................... 13
6.3 Number of Hopping Frequency ............................................................................................. 19
6.4 Time of Occupancy (Dwell Time) ......................................................................................... 20
6.5 Conducted Spurious Emissions and Band Edges Test .................................................... 24
6.6 Restricted Band Emission Limit ............................................................................................ 30
6.7. AC Power line conducted emissions ................................................................................... 39
6.8. Band-edge measurements for radiated emissions ........................................................... 42
6.9. Pseudorandom frequency hopping sequence ................................................................... 45
6.10. Antenna requirement ........................................................................................................... 46
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 6 of 46
1. GENERAL INFORMATION
1.1 Description of Device (EUT)
EUT
:
Vr all-in-one
Test Model
:
RT-V03
Power Supply
:
DC 3.7V by battery(3200mAh)
Recharged by DC 5V/2A
Hardware version
:
v509_MB_V(1.2)
Software version
:
Nibiru 2.00.001/vr0079/(20161109103756)
Bluetooth Operation frequency
:
2402MHz-2480MHz
(Channel Frequency=2402+1(K-1), K=1, 2, 3..79) (DSS)
Bluetooth Version
:
V4.0+EDR
Bluetooth Channel Number
:
79 Channels for Bluetooth V4.0(DSS)
40 Channels for Bluetooth V4.0(DTS)
Bluetooth Modulation Type
:
GFSK, π/4-DQPSK , 8-DPSK for Bluetooth V4.0(DSS)
GFSK for Bluetooth V4.0(DTS)
Antenna Description
:
Internal Antenna, 1.0dBi(Max.)
1.2 Support equipment List
Manufacturer
Description
Model
Serial
Number
Certificate
Lenovo
PC
B470
--
DOC
Lenovo
AC/DC ADAPTER
ADP-90DDB
--
DOC
1.3 External I/O Cable
I/O Port Description
Quantity
Cable
Earphone Jack
1
N/A
Mini USB Port
1
N/A
A USB Port
1
N/A
TF Card Slot
1
N/A
1.4 Description of Test Facility
CNAS Registration Number. is L4595.
FCC Registration Number. is 899208.
Industry Canada Registration Number. is 9642A-1.
VCCI Registration Number. is C-4260 and R-3804.
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
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.
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
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Page 7 of 46
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
Frequency Range
Uncertainty
Note
Radiation Uncertainty
:
9KHz~30MHz
3.10dB
(1)
30MHz~200MHz
2.96dB
(1)
200MHz~1000MHz
3.10dB
(1)
1GHz~26.5GHz
3.80dB
(1)
26.5GHz~40GHz
3.90dB
(1)
Conduction Uncertainty
:
150kHz~30MHz
1.63dB
(1)
Power disturbance
:
30MHz~300MHz
1.60dB
(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
Frequency Range
(MHz)
Data Rate
(Mbps)
BT V 4.0
2402
1/2/3
2441
1/2/3
2480
1/2/3
For Conducted Emission
Test Mode
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 9kHz-1000 MHz radiated emissions was the mode and
channel with the highest output power, that was determined to be TX(1Mbps-Low Channel).
Pre-test AC conducted emission at both power adapter and charge from PC mode, recorded worst
case.
Pre-test AC conducted emission at both voltage AC 120V/60Hz and AC 240V/60Hz, recorded worst
case.
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 8 of 46
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 engineering mode to fix the TX frequency that was for the purpose of the
measurements.
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
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 9 of 46
3. SYSTEM TEST CONFIGURATION
3.1 Justification
The system was configured for testing in a continuous transmits condition.
3.2 EUT Exercise Software
N/A.
3.3 Special Accessories
N/A.
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.
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 10 of 46
4. SUMMARY OF TEST RESULTS
Applied Standard: FCC Part 15 Subpart C
FCC Rules
Description of Test
Result
§15.247(b)(1)
Maximum Conducted Output Power
Compliant
§15.247(c)
Frequency Separation And 20 dB Bandwidth
Compliant
§15.247(a)(1)(ii)
Number Of Hopping Frequency
Compliant
§15.247(a)(1)(iii)
Time Of Occupancy (Dwell Time)
Compliant
§15.209, §15.205
Con Conducted Spurious Emissions and Band
Edges Test
Compliant
§15.209, §15.247(d)
Radiated and Conducted
Spurious Emissions
Compliant
§15.205
Emissions at Restricted Band
Compliant
§15.207(a)
Conducted Emissions
Compliant
§15.203
Antenna Requirements
Compliant
§15.247(i)§2.1093
RF Exposure
Compliant
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 11 of 46
5. SUMMARY OF TEST EQUIPMENT
Item
Equipment
Manufacturer
Model No.
Serial No.
Last Cal.
Next Cal.
1
Power Sensor
R&S
NRV-Z51
100458
2016-06-18
2017-06-17
2
Power Sensor
R&S
NRV-Z32
10057
2016-06-18
2017-06-17
3
Power Meter
R&S
NRVS
100444
2016-06-18
2017-06-17
4
DC Filter
MPE
23872C
N/A
2016-06-18
2017-06-17
5
RF Cable
Harbour
Industries
1452
N/A
2016-06-18
2017-06-17
6
SMA Connector
Harbour
Industries
9625
N/A
2016-06-18
2017-06-17
7
Spectrum
Analyzer
Agilent
N9020A
MY50510140
2016-10-27
2017-10-26
8
Signal analyzer
Agilent
E4448A(Exter
nal mixers to
40GHz)
US44300469
2016-06-16
2017-06-15
9
RF Cable
Hubersuhne
Sucoflex104
FP2RX2
2016-06-18
2017-06-17
10
3m Semi
Anechoic
Chamber
SIDT
FRANKONIA
SAC-3M
03CH03-HY
2016-06-18
2017-06-17
11
Amplifier
SCHAFFNER
COA9231A
18667
2016-06-18
2017-06-17
12
Amplifier
Agilent
8449B
3008A02120
2016-06-16
2017-06-15
13
Amplifier
MITEQ
AMF-6F-2604
00
9121372
2016-06-16
2017-06-15
14
Loop Antenna
R&S
HFH2-Z2
860004/001
2016-06-18
2017-06-17
15
By-log Antenna
SCHWARZBEC
K
VULB9163
9163-470
2016-06-10
2017-06-09
16
Horn Antenna
EMCO
3115
6741
2016-06-10
2017-06-09
17
Horn Antenna
SCHWARZBEC
K
BBHA9170
BBHA9170154
2016-06-10
2017-06-09
18
RF Cable-R03m
Jye Bao
RG142
CB021
2016-06-18
2017-06-17
19
RF Cable-HIGH
SUHNER
SUCOFLEX
106
03CH03-HY
2016-06-18
2017-06-17
20
EMI Test
Receiver
ROHDE &
SCHWARZ
ESCI
101142
2016-06-18
2017-06-17
21
Artificial Mains
ROHDE &
SCHWARZ
ENV216
101288
2016-06-18
2017-06-17
22
EMI Test
Software
AUDIX
E3
N/A
2016-06-18
2017-06-17
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 12 of 46
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 24002483.5 MHz band
employing at least 75 non-overlapping hopping channels, and all frequency hopping systems in the
57255850 MHz band: 1 watt. For all other frequency hopping systems in the 24002483.5 MHz band:
0.125 watts.
6.1.3 Test Procedure
The transmitter output is connected to the Power Meter.
6.1.4 Test Results
Test Mode
Channel
Frequency
(MHz)
Measured Maximum Peak Power
(dBm)
Limits
(dBm)
Verdict
GFSK
0
2402
1.07
21
PASS
39
2441
1.37
78
2480
1.43
π/4DQPSK
0
2402
0.74
21
PASS
39
2441
0.62
78
2480
0.36
8-DPSK
0
2402
0.71
21
PASS
39
2441
0.56
78
2480
0.33
Remark:
1. Test results including cable loss;
2. please refer to following plots;
3. Measured output power at difference Packet Type for each mode and recorded worst case for each
mode.
4. Worst case data at DH5 for GFSK, π/4DQPSK, 8-DPSK modulation type;
DC Filter
EUT
Power Meter.
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 13 of 46
6.2 Frequency Separation and 20 dB Bandwidth
6.2.1 Limit
According to §15.247(c) or A8.1(a), in any 100 kHz bandwidth outside the frequency bands in which
the spread spectrum intentional radiator in operating, the radio frequency power that is produced by the
intentional radiator shall be at least 20dB below that in the 100kHz bandwidth within the band that
contains the highest level of the desired power, 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
in15.209(a).
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 = 300 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
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
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Page 14 of 46
The Measurement Result With 1Mbps For GFSK Modulation
Channel
20dB Bandwidth
(MHz)
Channel Separation
(MHz)
Limit
(MHz)
Result
Low
1.050
1.000
0.700
Pass
Middle
1.051
0.701
Pass
High
1.046
0.697
Pass
The Measurement Result With 2Mbps For π/4-DQPSK Modulation
Channel
20dB Bandwidth
(MHz)
Channel Separation
(MHz)
Limit
(MHz)
Result
Low
1.358
1.000
0.905
Pass
Middle
1.356
0.904
Pass
High
1.356
0.904
Pass
The Measurement Result With 3Mbps For 8-DPSK Modulation
Channel
20dB Bandwidth
(MHz)
Channel Separation
(MHz)
Limit
(MHz)
Result
Low
1.320
1.000
0.880
Pass
Middle
1.322
0.881
Pass
High
1.322
0.881
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, π/4-DQPSK, 8-DPSK modulation type;
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
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Page 15 of 46
Frequency Separation
GFSK
π/4-DQPSK
Channel 0 / 2402 MHz
Channel 0 / 2402 MHz
Channel 39 / 2441 MHz
Channel 39 / 2441 MHz
Channel 78 / 2480 MHz
Channel 78 / 2480 MHz
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
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Page 16 of 46
Frequency Separation
8-DPSK
Channel 0 / 2402 MHz
Channel 39 / 2441 MHz
Channel 78 / 2480 MHz
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
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Page 17 of 46
20dB Bandwidth
GFSK
π/4-DQPSK
Channel 0 / 2402 MHz
Channel 0 / 2402 MHz
Channel 39 / 2441 MHz
Channel 39 / 2441 MHz
Channel 78 / 2480 MHz
Channel 78 / 2480 MHz
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
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Page 18 of 46
Test Plot of Test Result
8-DPSK
Channel 0 / 2402 MHz
Channel 39 / 2441 MHz
Channel 78 / 2480 MHz
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
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Page 19 of 46
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
The Measurement Result With The Worst Case of 1Mbps For GFSK Modulation
Total No. of
Hopping Channel
Measurement Result
(No. of Ch)
Limit
(MHz)
Result
79
≥15
Pass
Note: The test data refer to the following page.
Number Of Hopping Frequency
GFSK
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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 2400MHz-
2483.5 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.
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
Frequency
(MHz)
Burst Type
Pulse Width
(ms)
Dwell Time
(S)
Limit
(S)
Verdict
GFSK
2441
DH1
0.3815
0.1221
0.4
PASS
DH3
1.638
0.2621
DH5
2.886
0.3078
π/4-DQPSK
2441
DH1
0.388
0.1242
0.4
PASS
DH3
1.641
0.2626
DH5
2.888
0.3081
8-DPSK
2441
DH1
0.388
0.1242
0.4
PASS
DH3
1.639
0.2622
DH5
2.890
0.3083
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Remark:
1. Test results including cable loss;
2. please refer to following plots;
3. Measured at difference Packet Type for each mode and recorded woest case for each mode.
4. Worst case data at DH5 for GFSK, π/4-DQPSK ,8-DPSK modulation type;
5. 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
6. Measured at low, middle and high channel, recorded worst at middle channel;
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Dwell time
GFSK
π/4-DQPSK
Channel 39 / 2441 MHz - DH1
Channel 39 / 2441 MHz - 2DH1
Channel 39 / 2441 MHz DH3
Channel 39 / 2441 MHz - 2DH3
Channel 39 / 2441 MHz DH5
Channel 39 / 2441 MHz - 2DH5
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Dwell time
8-DPSK
Channel 39 / 2441 MHz - 3DH1
2 Channel 39 / 2441 MHz - 3DH3
Channel 39 / 2441 MHz 3DH5
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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
Channel
Frequency
(MHz)
Spurious RF Conducted
Emission
(dBc)
Limits
(dBc)
Verdict
GFSK
0
2402
<-20
-20
PASS
39
2441
<-20
78
2480
<-20
π/4-DQPSK
0
2402
<-20
-20
PASS
39
2441
<-20
78
2480
<-20
8-DPSK
0
2402
<-20
-20
PASS
39
2441
<-20
78
2480
<-20
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, π/4-DQPSK, 8-DPSK modulation type;
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RF Conducted Spurious Emissions
GFSK Channel 0 / 2402 MHz
2399.5 2404.5 MHz
9 KHz 26.5 GHz
GFSK Channel 39 / 2441 MHz
2438.5 2443.5 MHz
9 KHz 26.5 GHz
GFSK Channel 78 / 2480 MHz
2477.5 2482.5 MHz
9 KHz 26.5 GHz
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RF Conducted Spurious Emissions
π/4-DQPSK - Channel 0 / 2402 MHz
2399.5 2404.5 MHz
9 KHz 26.5 GHz
π/4-DQPSK - Channel 39 / 2441 MHz
2438.5 2443.5 MHz
9 KHz 26.5 GHz
π/4-DQPSK - Channel 78 / 2480 MHz
2477.5 2482.5 MHz
9 KHz 26.5 GHz
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RF Conducted Spurious Emissions
8-DPSK - Channel 0 / 2402 MHz
2399.5 2404.5 MHz
9 KHz 26.5 GHz
8-DPSK - Channel 39 / 2441 MHz
2438.5 2443.5 MHz
9 KHz 26.5 GHz
8-DPSK - Channel 78 / 2480 MHz
2477.5 2482.5 MHz
9 KHz 26.5 GHz
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Band-edge for RF conducted emissions
GFSK
Channel 0 / 2402 MHz Non-Hopping
Channel 0 / 2402 MHz Hopping
Channel 78 / 2480 MHz Non-Hopping
Channel 78 / 2480 MHz Hopping
π/4-DQPSK
Channel 0 / 2402 MHz Non-Hopping
Channel 0 / 2402 MHz Hopping
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Band-edge for RF conducted emissions
π/4-DQPSK
Channel 78 / 2480 MHz Non-Hopping
Channel 78 / 2480 MHz Hopping
8-DPSK
Channel 0 / 2402 MHz Non-Hopping
Channel 0 / 2402 MHz Hopping
Channel 78 / 2480 MHz Non-Hopping
Channel 78 / 2480 MHz Hopping
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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
MHz
MHz
GHz
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
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
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
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
(MHz)
Field Strength
(microvolts/meter
)
Measuremen
t Distance
(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
3
88~216
150
3
216~960
200
3
Above 960
500
3
6.6.2. Measuring Instruments and Setting
Please refer to section 6 of equipment list in this report. The following table is the setting of spectrum
analyzer and receiver.
Spectrum Parameter
Setting
Attenuation
Auto
Start Frequency
1000 MHz
Stop Frequency
10th carrier harmonic
RB / VB (Emission in restricted band)
1MHz / 1MHz for Peak, 1 MHz / 1/B kHz for Average
RB / VB (Emission in non-restricted band)
1MHz / 1MHz for Peak, 1 MHz / 1/B kHz for Average
Receiver Parameter
Setting
Attenuation
Auto
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Start ~ Stop Frequency
9kHz~150kHz / RB/VB 200Hz/1KHz for QP/AVG
Start ~ Stop Frequency
150kHz~30MHz / RB/VB 9kHz/30KHz for QP/AVG
Start ~ Stop Frequency
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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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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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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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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6.6.4. Test Setup Layout
Above 10 GHz shall be extrapolated to the specified distance using an extrapolation factor of 20
dB/decade form 3m to 1.5m.
Distance extrapolation factor = 20 log (specific distanc [3m] / test distance [1.5m]) (dB);
Limit line = specific limits (dBuV) + distance extrapolation factor [6 dB].
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6.6.5. EUT Operation during Test
The EUT was programmed to be in continuously transmitting mode.
6.6.6. Results of Radiated Emissions (9 kHz~30MHz)
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.
Temperature
25
Humidity
60%
Test Engineer
Chaz
Configurations
BT
Freq.
(MHz)
Level
(dBuV)
Over Limit
(dB)
Over Limit
(dBuV)
Remark
-
-
-
-
See Note
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Below 1GHz (Low Channel)
***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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Above 1GHz
The worst test result for GFSK, Channel 0 / 2402 MHz
Freq.
MHz
Reading
dBuv
Ant.
Fac
dB/m
Pre.
Fac.
dB
Cab.
Loss
dB
Measured
dBuv/m
Limit
dBuv/m
Margin
dB
Remark
Pol.
4804.00
48.46
33.06
35.04
3.94
50.42
74
-23.58
Peak
Horizontal
4804.00
37.32
33.06
35.04
3.94
39.28
54
-14.72
Average
Horizontal
4804.00
52.17
33.06
35.04
3.94
54.13
74
-19.87
Peak
Vertical
4804.00
32.78
33.06
35.04
3.94
34.74
54
-19.26
Average
Vertical
The worst test result for GFSK, Channel 39 / 2441 MHz
Freq.
MHz
Reading
dBuv
Ant.
Fac
dB/m
Pre.
Fac.
dB
Cab.
Loss
dB
Measured
dBuv/m
Limit
dBuv/m
Margin
dB
Remark
Pol.
4882.00
44.62
33.16
35.15
3.96
46.59
74
-27.41
Peak
Horizontal
4882.00
36.69
33.16
35.15
3.96
38.66
54
-15.34
Average
Horizontal
4882.00
45.54
33.16
35.15
3.96
47.51
74
-26.49
Peak
Vertical
4882.00
35.54
33.16
35.15
3.96
37.51
54
-16.49
Average
Vertical
The worst test result for GFSK, Channel 78 / 2480 MHz
Freq.
MHz
Reading
dBuv
Ant.
Fac
dB/m
Pre.
Fac
dB
Cab.
Los
dB
Measured
dBuv/m
Limit
dBuv/m
Margin
dB
Remark
Pol.
4960.00
43.25
33.26
35.14
3.98
45.35
74
-28.65
Peak
Horizontal
4960.00
32.16
33.26
35.14
3.98
34.26
54
-19.74
Average
Horizontal
4960.00
45.62
33.26
35.14
3.98
47.72
74
-26.28
Peak
Vertical
4960.00
37.06
33.26
35.14
3.98
39.16
54
-14.84
Average
Vertical
Notes:
1). Measuring frequencies from 9k~10th harmonic (ex. 26GHz), No emission found between lowest
internal used/generated frequency to 30 MHz.
2). Radiated emissions measured in frequency range from 9k~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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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:
Frequency Range
(MHz)
Limits (dBμV)
Quasi-peak
Average
0.15 to 0.50
66 to 56
56 to 46
0.50 to 5
56
46
5 to 30
60
50
* Decreasing linearly with the logarithm of the frequency
6.7.2 Block Diagram of Test Setup
PC
LISN
EMI receiver
Reference ground plane
Vert. reference
plane
EUT
6.7.3 Test Results
PASS.
The test data please refer to following page.
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 40 of 46
Test Results for AC 120V/60Hz @ GFSK (worst case)
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 41 of 46
Test Results for AC 240V/60Hz @ GFSK (worst case)
Note: Pre-scan all modes and recorded the worst case results in this report.
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 42 of 46
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 section 6 of 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 a
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).
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 43 of 46
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
GFSK Non-Hopping
Frequency
(MHz)
Conducted
Power
(dBm)
Antenna
Gain
(dBi)
Ground
Reflection
Factor
(dB)
Covert
Radiated E
Level At
3m
(dBuV/m)
Detector
Limit
(dBuV/m)
Verdict
2310.000
-60.432
1.0
0.0
35.828
Peak
74.00
PASS
2390.000
-58.628
1.0
0.0
37.632
Peak
74.00
PASS
2483.500
-57.581
1.0
0.0
38.679
Peak
74.00
PASS
2500.000
-61.476
1.0
0.0
34.784
Peak
74.00
PASS
π/4DQPSK Non-Hopping
Frequency
(MHz)
Conducted
Power
(dBm)
Antenna
Gain
(dBi)
Ground
Reflectio
n Factor
(dB)
Covert
Radiated E
Level At 3m
(dBuV/m)
Detector
Limit
(dBuV/m)
Verdict
2310.000
-62.679
1.0
0.0
33.581
Peak
74.00
PASS
2390.000
-61.055
1.0
0.0
35.205
Peak
74.00
PASS
2483.500
-56.184
1.0
0.0
40.076
Peak
74.00
PASS
2500.000
-60.031
1.0
0.0
36.229
Peak
74.00
PASS
8-DPSK Non-Hopping
Frequency
(MHz)
Conducted
Power
(dBm)
Antenna
Gain
(dBi)
Ground
Reflection
Factor
(dB)
Covert
Radiated E
Level At 3m
(dBuV/m)
Detector
Limit
(dBuV/m)
Verdict
2310.000
-61.614
1.0
0.0
34.646
Peak
74.00
PASS
2390.000
-59.985
1.0
0.0
36.275
Peak
74.00
PASS
2483.500
-56.191
1.0
0.0
40.069
Peak
74.00
PASS
2500.000
-60.704
1.0
0.0
35.556
Peak
74.00
PASS
Remark:
1. Measured at difference Packet Type for each mode and recorded worst case for each mode.
2. Worst case data at DH5 for GFSK, π/4DQPSK, 8-DPSK modulation type;
3. Measured at Hopping and Non-Hopping mode, recorded worst at Non-Hopping mode.
4. The other emission levels were very low against the limit.
5. The average measurement was not performed when the peak measured data under the limit of average
detection.
6. Detector AV is setting spectrum/receiver. RBW=1MHz/VBW=330Hz/Sweep time=Auto/Detector=Peak;
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 44 of 46
Band-edge measurements for radiated emissions
GFSK
Channel 0 / 2402 MHz Non-Hopping Peak
Channel 78 / 2480 MHz Non-Hopping Peak
π/4DQPSK
Channel 0 / 2402 MHz Non-Hopping Peak
Channel 78 / 2480 MHz Non-Hopping Peak
8-DPSK
Channel 0 / 2402 MHz Non-Hopping Peak
Channel 78 / 2480 MHz Non-Hopping Peak
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 45 of 46
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 24002483.5 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.
SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AKNBRT-V03 Report No.: LCS1612223160E
This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
Page 46 of 46
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 1.0 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 Bluetooth share same antenna.
6.10.2.3. Results: Compliance.
----------------THE END OF TEST REPORT---------------
Download: Vr all-in-one Test Report Shenzhen Sunspring Electronics Co., Ltd. SHENZHEN RUIHE TECHNOLOGY CO.,LTD
Mirror Download [FCC.gov]Vr all-in-one Test Report Shenzhen Sunspring Electronics Co., Ltd. SHENZHEN RUIHE TECHNOLOGY CO.,LTD
Document ID3254247
Application IDd8Z95u0Rj6GtboJGf3YNIA==
Document DescriptionRF Test Report
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeTest Report
Display FormatAdobe Acrobat PDF - pdf
Filesize5434195
Date Submitted2017-01-11 00:00:00
Date Available2017-01-11 00:00:00
Creation Date2016-12-29 08:55:55
Producing SoftwareMicrosoft Office Word 2007
Document Lastmod2016-12-29 08:55:55
Document TitleShenzhen Sunspring Electronics Co., Ltd.
Document CreatorMicrosoft Office Word 2007
Document Author: Violet Wang

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