A3391 Soundcore Rave Test Report ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT Anker Innovations Limited

Anker Innovations Limited Soundcore Rave

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FCC 47 CFR PART 15 SUBPART C
CERTIFICATION TEST REPORT
For
Soundcore Rave
MODEL No.: A3391
FCC ID: 2AOKB-A3391
Trade Mark: Soundcore
REPORT NO: ES181031025W01
ISSUE DATE: December 05, 2018
Prepared for
Anker Innovations Limited
Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok,
Kowloon, Hong Kong
Prepared by
EMTEK (SHENZHEN) CO., LTD.
Bldg 69, Majialong Industry Zone, Nanshan District, Shenzhen,
Guangdong, China
TEL: 86-755-26954280
FAX: 86-755-26954282
TRF No.:FCC 15.247/A
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Table of Contents
TEST RESULT CERTIFICATION ............................................................................................................. 3
EUT TECHNICAL DESCRIPTION ............................................................................................................ 4
SUMMARY OF TEST RESULT ................................................................................................................ 5
TEST METHODOLOGY ........................................................................................................................... 6
4.1
4.2
4.3
GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................................... 6
MEASUREMENT EQUIPMENT USED.......................................................................................... 6
DESCRIPTION OF TEST MODES ................................................................................................ 7
FACILITIES AND ACCREDITATIONS ...................................................................................................... 8
5.1
5.2
FACILITIES .................................................................................................................................... 8
LABORATORY ACCREDITATIONS AND LISTINGS ..................................................................... 8
TEST SYSTEM UNCERTAINTY .............................................................................................................. 9
SETUP OF EQUIPMENT UNDER TEST ............................................................................................... 10
7.1
7.2
7.3
7.4
7.5
FREQUENCY HOPPING SYSTEM REQUIREMENTS ......................................................................... 14
8.1
8.2
8.3
8.4
RADIO FREQUENCY TEST SETUP 1 ........................................................................................ 10
RADIO FREQUENCY TEST SETUP 2 ........................................................................................ 10
CONDUCTED EMISSION TEST SETUP .................................................................................... 12
BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ........................................................ 13
SUPPORT EQUIPMENT ............................................................................................................. 13
STANDARD APPLICABLE .................................................................................................................. 14
EUT PSEUDORANDOM FREQUENCY HOPPING SEQUENCE................................................................ 14
EQUAL HOPPING FREQUENCY USE ................................................................................................. 15
FREQUENCY HOPPING SYSTEM ...................................................................................................... 15
TEST REQUIREMENTS......................................................................................................................... 16
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
20DB BANDWIDTH ..................................................................................................................... 16
CARRIER FREQUENCY SEPARATION ..................................................................................... 22
NUMBER OF HOPPING FREQUENCIES ................................................................................... 28
AVERAGE TIME OF OCCUPANCY (DWELL TIME) .................................................................... 30
MAXIMUM PEAK CONDUCTED OUTPUT POWER ................................................................... 33
CONDUCTED SUPRIOUS EMISSION ....................................................................................... 39
RADIATED SPURIOUS EMISSION ............................................................................................ 46
CONDUCTED EMISSION TEST ................................................................................................. 59
ANTENNA APPLICATION ........................................................................................................... 62
TRF No.:FCC 15.247/A
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TEST RESULT CERTIFICATION
Applicant
Anker Innovations Limited
Address
Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hong
Kong
Manufacturer
Anker Innovations Limited
Address
Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hong
Kong
Factory
SHENZHEN FENDA TECHNOLOGY CO., LTD.
Address
Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town, Baoan District, Shenzhen City,
Guangdong, China
Trade Mark
Soundcore
EUT
Soundcore Rave
Model No.
A3391
Measurement Procedure Used:
APPLICABLE STANDARDS
STANDARD
TEST RESULT
FCC 47 CFR Part 2, Subpart J
FCC 47 CFR Part 15, Subpart C
PASS
The above equipment was tested by EMTEK (SHENZHEN) CO., LTD. The test data, data evaluation, test
procedures, and equipment configurations shown in this report were made in accordance with the
procedures given in ANSI C63.10 (2013) and the energy emitted by the sample EUT tested as described in
this report is in compliance with the requirements of FCC Rules Part 2 and Part 15.247
The test results of this report relate only to the tested sample identified in this report
Date of Test :
November 01, 2018 to December 04, 2018
Prepared by :
Abel Wu /Editor
Reviewer :
Joe Xia/Editor
Approve & Authorized Signer :
Lisa Wang/Manager
TRF No.:FCC 15.247/A
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EUT TECHNICAL DESCRIPTION
Characteristics
Description
Product
Soundcore Rave
Model Number
A3391
Device Type
Bluetooth V5.0
Modulation:
GFSK modulation
pi/4-DQPSK modulation
8DPSK modulation
Operating Frequency
Range(s):
2402-2480MHz
Number of Channels:
79 channels
Transmit Power Max:
4.072 dBm
Antenna Type
FPC Antenna
Antenna Gain
3.75 dBi
100-240V~, 50Hz/60Hz
Power supply
Temperature Range:
DC 14.8V from battery
0°C ~ +40°C
Note: for more details, please refer to the User’s manual of the EUT.
TRF No.:FCC 15.247/A
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SUMMARY OF TEST RESULT
FCC Part Clause
Test Parameter
15.247(a)(1)
20 dB Bandwidth
15.247(a)(1)
Carrier Frequency Separation
15.247(a)(1)
Number of Hopping Frequencies
15.247(a)(1)
Average Time of Occupancy (Dwell Time)
15.247(b)(1)
Maximum Peak Conducted Output Power
15.247(c)
Conducted Spurious Emissions
15.247(d)
Radiated Spurious Emissions
15.209
15.207
Conducted Emission
15.203
Antenna Application
NOTE1: N/A (Not Applicable)
Verdict
PASS
PASS
PASS
PASS
PASS
PASS
PASS
Remark
PASS
PASS
RELATED SUBMITTAL(S) / GRANT(S):
This submittal(s) (test report) is intended for FCC ID: 2AOKB-A3391 filing to comply with Section 15.247 of
the FCC Part 15, Subpart C Rules.
TRF No.:FCC 15.247/A
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TEST METHODOLOGY
4.1
GENERAL DESCRIPTION OF APPLIED STANDARDS
According to its specifications, the EUT must comply with the requirements of the following standards:
FCC 47 CFR Part 2, Subpart J
FCC 47 CFR Part 15, Subpart C
DA 00-705
MEASUREMENT EQUIPMENT USED
4.2
4.2.1
Conducted Emission Test Equipment
EQUIPMENT
TYPE
Test Receiver
L.I.S.N.
SERIAL
NUMBER
828985/018
8129203
LAST CAL.
DUE CAL.
Rohde & Schwarz
Schwarzbeck
MODEL
NUMBER
ESCS30
NNLK8129
05/20/2018
05/20/2018
05/19/2019
05/19/2019
50Ω Coaxial Switch
Anritsu
MP59B
M20531
05/20/2018
05/19/2019
Pulse Limiter
Rohde & Schwarz
ESH3-Z2
100006
05/20/2018
05/19/2019
Voltage Probe
Rohde & Schwarz
TK9416
N/A
05/20/2018
05/19/2019
I.S.N
Rohde & Schwarz
ENY22
1109.9508.02
05/20/2018
05/19/2019
MODEL
NUMBER
ESU
8447D
VULB9163
PLA-1030/B
BBHA 9170
BBHA 9120
AK9513
N/A
AK9513
AK9513
SERIAL
NUMBER
1302.6005.26
2944A07999
142
1029
BBHA9170399
D143
ACRX1
FP2RX2
CRPX1
CRRX2
LAST CAL.
DUE CAL.
05/20/2018
05/20/2018
05/20/2018
05/20/2018
05/20/2018
05/20/2018
05/20/2018
05/20/2018
05/20/2018
05/20/2018
05/19/2019
05/19/2019
05/19/2019
05/19/2019
05/19/2019
05/19/2019
05/19/2019
05/19/2019
05/19/2019
05/19/2019
4.2.2
Radiated Emission Test Equipment
EQUIPMENT
TYPE
EMI Test Receiver
Pre-Amplifier
Bilog Antenna
Loop Antenna
Horn Antenna
Horn Antenna
Cable
Cable
Cable
Cable
4.2.3
MFR
MFR
Rohde & Schwarz
HP
Schwarzbeck
ARA
Schwarzbeck
Schwarzbeck
Schwarzbeck
Rosenberger
Schwarzbeck
Schwarzbeck
Radio Frequency Test Equipment
EQUIPMENT
TYPE
MFR
MODEL
NUMBER
SERIAL
NUMBER
LAST CAL.
DUE CAL.
Spectrum Analyzer
Signal Analyzer
Power meter
Power sensor
Spectrum Analyzer
Agilent
Agilent
Anritsu
Anritsu
Rohde & Schwarz
E4407B
N9010A
ML2495A
MA2411B
FSV40
88156318
My53470879
0824006
0738172
100967
05/20/2018
05/20/2018
05/20/2018
05/20/2018
05/20/2018
05/19/2019
05/19/2019
05/19/2019
05/19/2019
05/19/2019
Remark: Each piece of equipment is scheduled for calibration once a year.
TRF No.:FCC 15.247/A
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4.3
DESCRIPTION OF TEST MODES
The EUT has been tested under its typical operating condition.
The EUT configuration for testing is installed on RF field strength measurement to meet the Commissions
requirement and operating in a manner which intends to maximize its emission characteristics in a
continuous normal application.
The Transmitter was operated in the normal operating mode. The TX frequency was fixed which was for the
purpose of the measurements.
Test of channel included the lowest and middle and highest frequency to perform the test, then record on this
report.
Those data rates (1Mbps for Bluetooth V4.2 BR GFSK modulation; 2Mbps for Bluetooth V4.2 EDR
pi/4-DQPSK modulation; 3Mbps for Bluetooth V4.2 EDR 8DPSK modulation ) were used for all test.
Pre-defined engineering program for regulatory testing used to control the EUT for staying in continuous
transmitting and receiving mode is programmed.
Frequency and Channel list for Bluetooth V4.2+EDR:
Frequency
Channel
(MHz)
2402
39
2403
40
2404
41
…
…
…
Note: fc=2402MHz+(k-1)×1MHz k=1 to 79
Channel
Frequency
(MHz)
2441
2442
2443
…
Channel
…
76
77
78
Frequency
(MHz)
…
2478
2479
2480
Test Frequency and channel for Bluetooth V4.2+EDR:
Lowest Frequency
Channel
TRF No.:FCC 15.247/A
Frequency
(MHz)
2402
Middle Frequency
Channel
39
Frequency
(MHz)
2441
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Highest Frequency
Channel
78
Frequency
(MHz)
2480
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5.1
FACILITIES AND ACCREDITATIONS
FACILITIES
All measurement facilities used to collect the measurement data are located at
Bldg 69, Majialong Industry Zone District, Nanshan District, Shenzhen, China
The sites are constructed in conformance with the requirements of ANSI C63.7, ANSI C63.10 and CISPR
Publication 22.
5.2 LABORATORY ACCREDITATIONS AND LISTINGS
Site Description
EMC Lab.
: Accredited by CNAS, 2016.10.24
The certificate is valid until 2022.10.28
The Laboratory has been assessed and proved to be in compliance with
CNAS-CL01:2006 (identical to ISO/IEC 17025:2005)
The Certificate Registration Number is L2291.
Accredited by TUV Rheinland Shenzhen 2016.05.19
The Laboratory has been assessed according to the requirements
ISO/IEC 17025.
Accredited by FCC, August 06, 2018
The certificate is valid until August 07, 2020
Designation Number: CN1204
Test Firm Registration Number: 882943
Name of Firm
Site Location
TRF No.:FCC 15.247/A
Accredited by Industry Canada, November 09, 2018
The Conformity Assessment Body Identifier is CN0008.
: EMTEK (SHENZHEN) CO., LTD.
: Bldg 69, Majialong Industry Zone,
Nanshan District, Shenzhen, Guangdong, China
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TEST SYSTEM UNCERTAINTY
The following measurement uncertainty levels have been estimated for tests performed on the
apparatus:
Parameter
Uncertainty
Radio Frequency
±1x10^-5
Maximum Peak Output Power Test
±1.0dB
Conducted Emissions Test
±2.0dB
Radiated Emission Test
±2.0dB
Occupied Bandwidth Test
±1.0dB
Band Edge Test
±3dB
All emission, radiated
±3dB
Antenna Port Emission
±3dB
Temperature
±0.5℃
Humidity
±3%
Measurement Uncertainty for a level of Confidence of 95%
TRF No.:FCC 15.247/A
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SETUP OF EQUIPMENT UNDER TEST
7.1 RADIO FREQUENCY TEST SETUP 1
The Bluetooth V4.2+EDR component’s antenna ports(s) of the EUT are connected to the measurement
instrument per an appropriate attenuator. The EUT is controlled by PC/software to emit the specified signals
for the purpose of measurements.
EUT
Measurement
Instrument
Attenuator
7.2 RADIO FREQUENCY TEST SETUP 2
The test site semi-anechoic chamber has met the requirement of NSA tolerance 4 dB according to the
standards: ANSI C63.10. The test distance is 3m.The setup is according to the requirements in Section
13.1.4.1 of ANSI C63.10-2013 and CAN/CSA-CEI/IEC CISPR 22.
Below 30MHz:
The EUT is placed on a turntable 0.8meters above the ground in the chamber, 3 meter away from the
antenna (loop antenna). The Antenna should be positioned with its plane vertical at the specified distance
from the EUT and rotated about its vertical axis for maximum response at each azimuth about the EUT. The
center of the loop shall be 1 m above the ground. For certain applications, the loop antenna plane may also
need to be positioned horizontally at the specified distance from the EUT.
Above 30MHz:
The EUT is placed on a turntable 0.8meters above the ground in the chamber, 3 meter away from the
antenna. The maximal emission value is acquired by adjusting the antenna height, polarisation and turntable
azimuth. Normally, the height range of antenna is 1 m to 4 m, the azimuth range of turntable is 0° to 360°,
and the receive antenna has two polarizations Vertical (V) and Horizontal (H).
Above 1GHz:
(Note: the FCC’s permission to use 1.5m as an alternative per TCBC Conf call of Dec. 2, 2014.)
The EUT is placed on a turntable 1.5 meters above the ground in the chamber, 3 meter away from the
antenna. The maximal emission value is acquired by adjusting the antenna height, polarisation and turntable
azimuth. Normally, the height range of antenna is 1 m to 4 m, the azimuth range of turntable is 0° to 360°,
and the receive antenna has two polarizations Vertical (V) and Horizontal (H).
(a) Radiated Emission Test Set-Up, Frequency Below 30MHz
Turntable
3m
EUT
Test
Receiver
0.8 m
Ground Plane
TRF No.:FCC 15.247/A
Coaxial Cable
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(b) Radiated Emission Test Set-Up, Frequency Below 1000MHz
3m
Turntable
1m to 4m
EUT
Test
Receiver
0.8m
Ground Plane
Coaxial Cable
(c) Radiated Emission Test Set-Up, Frequency above 1000MHz
3m
Turntable
4m
EUT
1.5m
1m
Amplifier
TRF No.:FCC 15.247/A
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Test
Receiver
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7.3 CONDUCTED EMISSION TEST SETUP
The mains cable of the EUT (Perfect Share Mini) must be connected to LISN. The LISN shall be
placed 0.8m from the boundary of EUT and bonded to a ground reference plane for LISN
mounted on top of the ground reference plane. This distance is between the closest points of the
LISN and the EUT. All other units of the EUT and associated equipment shall be at least 0.8m
from the LISN.
Ground connections, where required for safety purposes, shall be connected to the reference
ground point of the LISN and, where not otherwise provided or specified by the manufacturer,
shall be of same length as the mains cable and run parallel to the mains connection at a
separation distance of not more than 0.8m.
According to the requirements in Section 13.1.4.1 of ANSI C63.10-2013 Conducted emissions
from the EUT measured in the frequency range between 0.15 MHz and 30 MHz using CISPR
Quasi-Peak and average detector mode.
Reference
Ground
EUT
EMI Receiver
Auxiliary
Equipment
Reference
Ground
50Ω
80cm
80cm
LISN
LISN
TRF No.:FCC 15.247/A
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7.4 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM
7.5 SUPPORT EQUIPMENT
EUT Cable List and Details
Cable Description
Length (m)
Shielded/Unshielded
With / Without Ferrite
Power line
1.5m
Unshielded
Aux 2In1
1.5m
Unshielded
Cable Description
Length (m)
Shielded/Unshielded
With / Without Ferrite
Auxiliary Cable List and Details
Auxiliary Equipment List and Details
Description
Manufacturer
Model
Serial Number
DVD
Cambridge
Audio
BB DVD86-S
UK0606 1460
iPhone 5C
Apple
A1526 CE, FCC ID
Notes:
1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during
the test.
2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the
intended use.
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FREQUENCY HOPPING SYSTEM REQUIREMENTS
8.1 Standard Applicable
According to FCC Part 15.247(a)(1), 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 hopping channel bandwidths of their corresponding transmitters and shall shift frequencies in
synchronization with the transmitted signals.
(g) Frequency hopping spread spectrum systems are not required to employ all available hopping channels
during each transmission. However, the system, consisting of both the transmitter and the receiver, must be
designed to comply with all of the regulations in this section should the transmitter be presented with a
continuous data (or information) stream. In addition, a system employing short transmission bursts must
comply with the definition of a frequency hopping system and must distribute its transmissions over the
minimum number of hopping channels specified in this section.
(h) The incorporation of intelligence within a frequency hopping spread spectrum system that permits the
system to recognize other users within the spectrum band so that it individually and independently chooses
and adapts its hopsets to avoid hopping on occupied channels is permitted. The coordination of frequency
hopping systems in any other manner for the express purpose of avoiding the simultaneous occupancy of
individual hopping frequencies by multiple transmitters is not permitted.
8.2 EUT Pseudorandom Frequency Hopping Sequence
The channel is represented by a pseudo-random hopping sequence hopping through the 79 RF channels.
The hopping sequence is unique for the piconet and is determined by the Bluetooth device address of the
master; the phase in the hopping sequence is determined by the Bluetooth clock of the master.The channel
is divide into time slots where each slot corresponds to an RF hop frequency. Consecutive hops correspond
to different RF hop frequencies. The normal hop is 1 600 hops/s.
The pseudorandom sequence may be generated in a nine-stage shift register whose 5th and 9th stage
outputs are added in a modulo-two addition stage, and the result is fed back to the input of the first stage.
The sequence begins with the first ONE of 9 consecutive ONEs; i.e. 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)
TRF No.:FCC 15.247/A
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Each frequency used equally on the average by each transmitter.
The system receiver have input bandwidths that match the hopping channel bandwidths of their
corresponding transmitters and shift frequencies in synchronization with the transmitted signals.
8.3 Equal Hopping Frequency Use
All Bluetooth units participating in the piconet are time and hop-synchronized to the channel.
Example of a 79 hopping sequence in data mode:
35, 27, 6, 44, 14, 61, 74, 32, 1, 11, 23, 2, 55, 65, 29, 3, 9, 52, 78, 58, 40, 25, 0, 7, 18, 26, 76, 60, 47, 50, 2, 5,
16, 37, 70, 63, 66, 54, 20, 13, 4, 8, 15, 21, 26, 10, 73, 77, 67, 69, 43, 24, 57, 39, 46, 72, 48, 33, 17, 31, 75, 19,
41, 62, 68, 28, 51, 66, 30, 56, 34, 59, 71, 22, 49, 64, 38, 45, 36, 42, 53
Each Frequency used equally on the average by each transmitter
8.4 Frequency Hopping System
This transmitter device is frequency hopping device, and complies with FCC part 15.247 rule.
This device uses Bluetooth radio which operates in 2400-2483.5 MHz band. Bluetooth uses a radio
technology called frequency-hopping spread spectrum, which chops up the data being sent and transmits
chunks of it on up to 79 bands (1 MHz each; centred from 2402 to 2480 MHz) in the range 2,400-2,483.5
MHz. The transmitter switches hop frequencies 1,600 times per second to assure a high degree of data
security. All Bluetooth devices participating in a given piconet are synchronized to the frequency-hopping
channel for the piconet. The frequency hopping sequence is determined by the master's device address and
the phase of the hopping sequence (the frequency to hop at a specific time) is determined by the master's
internal clock. Therefore, all slaves in a piconet must know the master's device address and must
synchronize their clocks with the master's clock.
Adaptive Frequency Hopping (AFH) was introduced in the Bluetooth specification to provide an effective way
for a Bluetooth radio to counteract normal interference. AFH identifies "bad" channels, where either other
wireless devices are interfering with the Bluetooth signal or the Bluetooth signal is interfering with another
device. The AFH- enabled Bluetooth device will then communicate with other devices within its piconet to
share details of any identified bad channels. The devices will then switch to alternative available "good"
channels, away from the areas of interference, thus having no impact on the bandwidth used.
TRF No.:FCC 15.247/A
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TEST REQUIREMENTS
9.1 20DB BANDWIDTH
9.1.1
Applicable Standard
According to FCC Part 15.247(a)(1) and DA 00-705
9.1.2
Conformance Limit
No limit requirement.
9.1.3
Test Configuration
Test according to clause 7.1 radio frequency test setup 1
9.1.4
Test Procedure
The EUT was operating in Bluetooth V4.2+EDR mode and controlled its channel. Printed out the test result
from the spectrum by hard copy function.
The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator. The path loss
was compensated to the results for each measurement.
Set to the maximum power setting and enable the EUT transmit continuously
Set RBW = 30 kHz.
Set the video bandwidth (VBW) =100 kHz.
Set Span= approximately 2 to 3 times the 20 dB bandwidth
Set Detector = Peak.
Set Trace mode = max hold.
Set Sweep = auto couple.
The EUT should be transmitting at its maximum data rate. Allow the trace to stabilize. Use the
marker-to-peak function to set the marker to the peak of the emission. Use the marker-delta function to
measure 20 dB down one side of the emission. Reset the markerdelta function, and move the marker to the
other side of the emission, until it is (as close as possible to) even with the reference marker level. The
marker-delta reading at this point is the 20 dB bandwidth of the emission.
If this value varies with different modes of operation (e.g., data rate, modulation format, etc.), repeat this test
for each variation.
Measure and record the results in the test report.
Test Results
Temperature:
Relative Humidity:
ATM Pressure:
Modulation
Mode
26° C
54%
1011 mbar
Channel Channel Frequency
Number
(MHz)
00
2402
GFSK
39
2441
78
2480
00
2402
pi/4-DQPSK
39
2441
78
2480
00
2402
8DPSK
39
2441
78
2480
Note: N/A (Not Applicable)
TRF No.:FCC 15.247/A
Measurement Bandwidth
(kHz)
912.0
885.0
885.8
1218
1219
1219
1207
1205
1205
Page 16 of 63
Limit
(kHz)
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Verdict
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
Report No.: ES181031025W01
Ver.1.0
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Test Model
20dB Bandwidth
Bluetooth V4.2+EDR
Channel 0: 2402MHz
GFSK Modulation
20dB Bandwidth
Test Model
Bluetooth V4.2+EDR
Channel 39: 2441MHz
TRF No.:FCC 15.247/A
GFSK Modulation
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Test Model
20dB Bandwidth
Bluetooth V4.2+EDR
Channel 78: 2480MHz
GFSK Modulation
20dB Bandwidth
Test Model
Bluetooth V4.2+EDR
Channel 0: 2402MHz
TRF No.:FCC 15.247/A
pi/4-DQPSK Modulation
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Test Model
20dB Bandwidth
Bluetooth V4.2+EDR
Channel 39: 2441MHz
pi/4-DQPSK Modulation
20dB Bandwidth
Test Model
Bluetooth V4.2+EDR
Channel 78: 2480MHz
TRF No.:FCC 15.247/A
pi/4-DQPSK Modulation
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Test Model
Test Model
20dB Bandwidth
Bluetooth V4.2+EDR
Channel 0: 2402MHz
20dB Bandwidth
Bluetooth V4.2+EDR
Channel 39: 2441MHz
TRF No.:FCC 15.247/A
8DPSK Modulation
8DPSK Modulation
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Test Model
20dB Bandwidth
Bluetooth V4.2+EDR
Channel 78: 2480MHz
TRF No.:FCC 15.247/A
8DPSK Modulation
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9.2 CARRIER FREQUENCY SEPARATION
9.2.1
Applicable Standard
According to FCC Part 15.247(a)(1) and DA 00-705
9.2.2
Conformance Limit
Frequency hopping systems operating in the 2400-2483.5MHz band shall have hopping channel carrier
frequencies separated by a minimum of 25kHz or the 20dB bandwidth of the hopping channel, whichever is
greater.
In case of an output power less than 125mW, the frequency hopping system may have channels separated
by a minimum of 25kHz or two-thirds of the 20dB bandwidth of the hopping channel, whichever is greater.
9.2.3
Test Configuration
Test according to clause 7.1 radio frequency test setup 1
9.2.4
Test Procedure
 According to FCC Part15.247(a)(1)
The EUT must have its hopping function enabled. Use the following spectrum analyzer settings:
Set the RBW =100kHz. Set VBW =300kHz.
Set the span = wide enough to capture the peaks of two adjacent channels
Set Sweep time = auto couple.
Set Detector = peak. Set Trace mode = max hold.
Allow the trace to stabilize. Use the marker-delta function to determine the separation
between the peaks of the adjacent channels. The limit is specified in one of the
subparagraphs of this Section. Submit this plot.
Test Results
Temperature:
Relative Humidity:
ATM Pressure:
26° C
54%
1011 mbar
Modulation
Mode
Channel Channel Frequency Measurement Bandwidth
Limit
Verdict
Number
(MHz)
(kHz)
(kHz)
2402
984
>912.00
PASS
GFSK
39
2441
984
>885.00
PASS
78
2480
1005
>885.80
PASS
2402
999
>812.00
PASS
pi/4-DQPSK
39
2441
1002
>812.67
PASS
78
2480
1002
>812.67
PASS
2402
999
>804.67
PASS
8DPSK
39
2441
999
>803.33
PASS
78
2480
993
>803.33
PASS
Note: Limit = 20dB bandwidth * 2/3, if it is greater than 25kHz and the output power is less than
125mW (21dBm).
TRF No.:FCC 15.247/A
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Test Model
Carrier Frequency Separation
Bluetooth V4.2+EDR
Channel 0: 2402MHz
GFSK Modulation
Carrier Frequency Separation
Test Model
Bluetooth V4.2+EDR
Channel 39: 2441MHz
TRF No.:FCC 15.247/A
GFSK Modulation
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Test Model
Test Model
Carrier Frequency Separation
Bluetooth V4.2+EDR
Channel 78: 2480MHz
Carrier Frequency Separation
Bluetooth V4.2+EDR
Channel 0: 2402MHz
TRF No.:FCC 15.247/A
GFSK Modulation
pi/4-DQPSK Modulation
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Test Model
Test Model
Carrier Frequency Separation
Bluetooth V4.2+EDR
Channel 39: 2441MHz
Carrier Frequency Separation
Bluetooth V4.2+EDR
Channel 78: 2480MHz
TRF No.:FCC 15.247/A
pi/4-DQPSK Modulation
pi/4-DQPSK Modulation
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Test Model
Test Model
Carrier Frequency Separation
Bluetooth V4.2+EDR
Channel 0: 2402MHz
Carrier Frequency Separation
Bluetooth V4.2+EDR
Channel 39: 2441MHz
TRF No.:FCC 15.247/A
8DPSK Modulation
8DPSK Modulation
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Test Model
Carrier Frequency Separation
Bluetooth V4.2+EDR
Channel 78: 2480MHz
TRF No.:FCC 15.247/A
8DPSK Modulation
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9.3 NUMBER OF HOPPING FREQUENCIES
9.3.1
Applicable Standard
According to FCC Part 15.247(a)(1) (iii)and DA 00-705
9.3.2
Conformance Limit
Frequency hopping systems operating in the 2400-2483.5MHz band shall use at least 15 channels.
9.3.3
Test Configuration
Test according to clause 7.1 radio frequency test setup 1
9.3.4
Test Procedure
 According to FCC Part15.247(a)(1)(iii)
The EUT must have its hopping function enabled. Use the following spectrum analyzer
settings:
Span = the frequency band of operation (2400-2483.5MHz)
RBW ≥ 100KHz
VBW ≥ RBW
Sweep = auto
Detector function = peak
Trace = max hold
Allow the trace to stabilize. It may prove necessary to break the span up to sections, in order to clearly show
all of the hopping frequencies.
Test Results
Temperature:
Relative Humidity:
ATM Pressure:
Modulation
Mode
GFSK
pi/4-DQPSK
8DPSK
26° C
54%
1011 mbar
Hopping Channel
Frequency
Range
2402-2480
2402-2480
2402-2480
TRF No.:FCC 15.247/A
Quantity of Hopping
Channel
Quantity of Hopping Channel
limit
79
79
79
>15
>15
>15
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Test Model
Number Of Hopping Frequencies
Bluetooth V4.2+EDR
Span: 2400-2483.5MHz
TRF No.:FCC 15.247/A
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9.4 AVERAGE TIME OF OCCUPANCY (DWELL TIME)
9.4.1
Applicable Standard
According to FCC Part 15.247(a)(1)(iii) and DA 00-705
9.4.2
Conformance Limit
For frequency hopping systems operating in the 2400-2483.5MHz band, the average time of occupancy on
any channel shall not be greater than 0.4s within a period of 0.4s multiplied by the number of hopping
channels employed.
9.4.3
Test Configuration
Test according to clause 7.1 radio frequency test setup 1
9.4.4
Test Procedure
 According to FCC Part15.247(a)(1)(iii)
The EUT must have its hopping function enabled. Use the following spectrum analyzer settings:
Span = zero span, centered on a hopping channel
RBW = 1 MHz
VBW ≥ RBW
Sweep = as necessary to capture the entire dwell time per hopping channel
Detector function = peak
Trace = max hold
If possible, use the marker-delta function to determine the dwell time. If this value
varies with different modes of operation (e.g., data rate, modulation format, etc.),
repeat this test for each variation. The limit is specified in one of the subparagraphs of this Section.
9.4.5
Test Results
Temperature:
Relative Humidity:
ATM Pressure:
26° C
54%
1011 mbar
Bluetooth (GFSK, pi/4-DQPSK, 8DPSK) mode have been tested, and the worst result(GFSK) was report as below:
Modulation
Mode
Channel
Packet
Pluse width
Number
type
(ms)
DH1
0.424
GFSK
DH3
1.680
DH5
2.920
Note: Dwell Time(DH1)=PW*(1600/2/79)*31.6
Dwell Time(DH3)=PW*(1600/4/79)*31.6
Dwell Time(DH5)=PW*(1600/6/79)*31.6
TRF No.:FCC 15.247/A
Dwell Time
(ms)
135.68
268.80
311.48
Page 30 of 63
Limit
(ms)
<400
<400
<400
Verdict
PASS
PASS
PASS
Report No.: ES181031025W01
Ver.1.0
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Test Model
Average Time Of Occupancy (Dwell Time)
Bluetooth V4.2+EDR
CH 0: 2402MHz
GFSK DH1
Test Model
Average Time Of Occupancy (Dwell Time)
Bluetooth V4.2+EDR
CH 0: 2402MHz
GFSK DH3
TRF No.:FCC 15.247/A
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Test Model
Average Time Of Occupancy (Dwell Time)
Bluetooth V4.2+EDR
CH 0: 2402MHz
GFSK DH5
TRF No.:FCC 15.247/A
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9.5 MAXIMUM PEAK CONDUCTED OUTPUT POWER
9.5.1
Applicable Standard
According to FCC Part 15.247(b)(1) and DA 00-705
9.5.2
Conformance Limit
The max For frequency hopping systems operating in the 2400-2483.5 MHz band employing at least 75
non-overlapping hopping channels: 1 watt. For all other frequency hopping systems in the 2400-2483.5 MHz
band: 0.125 watts.
9.5.3
Test Configuration
Test according to clause 7.1 radio frequency test setup 1
9.5.4
Test Procedure
 According to FCC Part15.247(b)(1)
As an alternative to a peak power measurement, compliance with the limit can be based on a measurement
of the maximum conducted output power.
Use the following spectrum analyzer settings:
Set Span = approximately 5 times the 20 dB bandwidth, centered on a hopping channel (about 10MHz)
Set RBW > the 20 dB bandwidth of the emission being measured (about 3MHz)
Set VBW ≥ RBW
Set Sweep = auto
Set Detector function = peak
Set Trace = max hold
Allow the trace to stabilize. Use the marker-to-peak function to set the marker to the peak of the emission to
determine the peak amplitude level.
Test Results
Temperature:
Relative Humidity:
ATM Pressure:
Operation
Mode
GFSK
pi/4-DQPSK
8DPSK
26° C
54%
1011 mbar
Channel
Number
39
78
39
78
39
78
Channel Frequency
(MHz)
2402
2441
2480
2402
2441
2480
2402
2441
2480
Measurement Level
(dBm)
0.657
3.687
4.072
-0.576
2.366
2.827
-0.052
2.837`
3.309
Limit
(dBm)
30
30
30
30
30
30
30
30
30
Verdict
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
PASS
Note: N/A
TRF No.:FCC 15.247/A
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Test Model
Maximum Peak Conducted Output Power
Bluetooth V4.2+EDR
Channel 0: 2402MHz
GFSK
Test Model
Maximum Peak Conducted Output Power
Bluetooth V4.2+EDR
Channel 39: 2441MHz
GFSK
TRF No.:FCC 15.247/A
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Test Model
Test Model
Maximum Peak Conducted Output Power
Bluetooth V4.2+EDR
Channel 78: 2480MHz
GFSK
Maximum Peak Conducted Output Power
Bluetooth V4.2+EDR
Channel 0: 2402MHz
pi/4-DQPSK
TRF No.:FCC 15.247/A
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Test Model
Maximum Peak Conducted Output Power
Bluetooth V4.2+EDR
Channel 39: 2441MHz
pi/4-DQPSK
Test Model
Maximum Peak Conducted Output Power
Bluetooth V4.2+EDR
Channel 78: 2480MHz
pi/4-DQPSK
TRF No.:FCC 15.247/A
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Test Model
Maximum Peak Conducted Output Power
Bluetooth V4.2+EDR
Channel 0: 2402MHz
8DPSK
Test Model
Maximum Peak Conducted Output Power
Bluetooth V4.2+EDR
Channel 39: 2441MHz
8DPSK
TRF No.:FCC 15.247/A
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Test Model
Maximum Peak Conducted Output Power
Bluetooth V4.2+EDR
Channel 78: 2480MHz
8DPSK
TRF No.:FCC 15.247/A
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9.6 CONDUCTED SUPRIOUS EMISSION
9.6.1
Applicable Standard
According to FCC Part 15.247(d) and DA 00-705
9.6.2
Conformance Limit
According to FCC Part 15.247(d):
In any 100 kHz bandwidth outside the frequency band in which the spread spectrum 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, provided the transmitter demonstrates compliance with the peak
conducted power limits.
9.6.3
Test Configuration
Test according to clause 7.1 radio frequency test setup 1
9.6.4
Test Procedure
The transmitter output (antenna port) was connected to the spectrum analyzer
 Reference level measurement
Establish a reference level by using the following procedure:
Set instrument center frequency to DSS channel center frequency.
Set Span = approximately 5 times the 20 dB bandwidth, centered on a hopping channel.
Set the RBW = 100 kHz. Set the VBW ≥ 3 x RBW.
Set Detector = peak. Set Sweep time = auto couple.
Set Trace mode = max hold. Allow trace to fully stabilize.
Use the peak marker function to determine the maximum Maximum conduceted level.
Note that the channel found to contain the maximum conduceted level can be used to establish the
reference level.
 Band-edge Compliance of RF Conducted Emissions
Use the following spectrum analyzer settings:
Span = wide enough to capture the peak level of the emission operating on the channel closest to the
band-edge, as well as any modulation products which fall outside of the authorized band of operation
Set RBW ≥ 1% of the span=100kHz Set VBW ≥ RBW
Set Sweep = auto Set Detector function = peak Set Trace = max hold
Allow the trace to stabilize. Set the marker on the emission at the bandedge, or on the highest modulation
product outside of the band, if this level is greater than that at the bandedge. Enable the marker-delta
function, then use the marker-to-peak function to move the marker to the peak of the in-band emission.
The marker-delta value now displayed must comply with the limit specified in this Section.
Now, using the same instrument settings, enable the hopping function of the EUT. Allow the trace to
stabilize. Follow the same procedure listed above to determine if any spurious emissions caused by the
hopping function also comply with the specified limit.
 Conduceted Spurious RF Conducted Emission
Use the following spectrum analyzer settings:
Span = wide enough to capture the peak level of the in-band emission and all spurious emissions (e.g.,
harmonics) from the lowest frequency generated in the EUT up through the 10th harmonic.(30MHz to
25GHz). Set RBW = 100 kHz
Set VBW ≥ RBW
Set Sweep = auto
Set Detector function = peak Set Trace = max hold
Allow the trace to stabilize. Set the marker on the peak of any spurious emission recorded. The level
displayed must comply with the limit specified in this Section.
9.6.5
Test Results
Bluetooth (GFSK, pi/4-DQPSK, 8DPSK) mode have been tested, and the worst result(GFSK) was report as below:
TRF No.:FCC 15.247/A
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Test Model
Test Model
Maximum Conduceted Level RBW=100kHz
Bluetooth V4.2+EDR
Channel 0: 2402MHz
GFSK
Conduceted Spurious RF Conducted Emission
Bluetooth V4.2+EDR
Channel 0: 2402MHz
GFSK
TRF No.:FCC 15.247/A
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Test Model
Test Model
Band-edge Conducted Emissions
Bluetooth V4.2+EDR
Channel 0: 2402MHz
GFSK
Maximum Conduceted Level RBW=100kHz
Bluetooth V4.2+EDR
Channel 39: 2441MHz
GFSK
TRF No.:FCC 15.247/A
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Test Model
Conduceted Spurious RF Conducted Emission
Bluetooth V4.2+EDR
Channel 39: 2441MHz
GFSK
Test Model
Maximum Conduceted Level RBW=100kHz
Bluetooth V4.2+EDR
Channel 78: 2480MHz
GFSK
TRF No.:FCC 15.247/A
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Test Model
Test Model
Conduceted Spurious RF Conducted Emission
Bluetooth V4.2+EDR
Channel 78: 2480MHz
GFSK
Band-edge Conducted Emissions
Bluetooth V4.2+EDR
Channel 78: 2480MHz
TRF No.:FCC 15.247/A
GFSK
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Test Model
Maximum Conduceted Level RBW=100kHz
Bluetooth V4.2+EDR
Hopping
GFSK
Test Model
Conduceted Spurious RF Conducted Emission
Bluetooth V4.2+EDR
Hopping
GFSK
TRF No.:FCC 15.247/A
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Test Model
Test Model
Band-edge Conducted Emissions
Bluetooth V4.2+EDR
Hopping
Band-edge Conducted Emissions
Bluetooth V4.2+EDR
Hopping
TRF No.:FCC 15.247/A
GFSK
GFSK
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9.7 RADIATED SPURIOUS EMISSION
9.7.1
Applicable Standard
According to FCC Part 15.247(d) and 15.209 and DA 00-705
9.7.2
Conformance Limit
According to FCC Part 15.247(d): 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)).
According to FCC Part15.205, Restricted bands
MHz
MHz
MHz
GHz
0.090-0.110
16.42-16.423
399.9-410
4.5-5.15
10.495-0.505
16.69475-16.69525
608-614
5.35-5.46
2.1735-2.1905
16.80425-16.80475
960-1240
7.25-7.75
4.125-4.128
25.5-25.67
1300-1427
8.025-8.5
4.17725-4.17775
37.5-38.25
1435-1626.5
9.0-9.2
4.20725-4.20775
73-74.6
1645.5-1646.5
9.3-9.5
6.215-6.218
74.8-75.2
1660-1710
10.6-12.7
6.26775-6.26825
123-138
2200-2300
14.47-14.5
8.291-8.294
149.9-150.05
2310-2390
15.35-16.2
8.362-8.366
156.52475-156.52525
2483.5-2500
17.7-21.4
8.37625-8.38675
156.7-156.9
2690-2900
22.01-23.12
8.41425-8.41475
162.0125-167.17
3260-3267
23.6-24.0
12.29-12.293
167.72-173.2
3332-3339
31.2-31.8
12.51975-12.52025
240-285
3345.8-3358
36.43-36.5
12.57675-12.57725
322-335.4
3600-4400
(2)
13.36-13.41
According to FCC Part15.205, the level of any transmitter spurious emission in Restricted bands shall not
exceed the level of the emission specified in the following table
Restricted Frequency(MHz) Field Strength (μV/m)
Field Strength (dBμV/m)
Measurement Distance
0.009-0.490
2400/F(KHz)
20 log (uV/m)
300
0.490-1.705
24000/F(KHz)
20 log (uV/m)
30
1.705-30
30
29.5
30
30-88
100
40
88-216
150
43.5
216-960
200
46
Above 960
500
54
9.7.3
Test Configuration
Test according to clause 7.2 radio frequency test setup 2
9.7.4
Test Procedure
This test is required for any spurious emission that falls in a Restricted Band, as defined in Section 15.205.
It must be performed with the highest gain of each type of antenna proposed for use with the EUT. Use the
following spectrum analyzer settings:
For Above 1GHz:
The EUT was placed on a turn table which is 1.5m above ground plane.
Maximum procedure was performed on the highest emissions to ensure EUT compliance.
Span = wide enough to fully capture the emission being measured
RBW = 1 MHz
VBW ≥ RBW
Sweep = auto
Detector function = peak
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Trace = max hold
For Below 1GHz:
The EUT was placed on a turn table which is 0.8m above ground plane.
Maximum procedure was performed on the highest emissions to ensure EUT compliance.
Span = wide enough to fully capture the emission being measured
RBW = 100 kHz for
VBW ≥ RBW
Sweep = auto
Detector function = peak
Trace = max hold
For Below 30MHz:
The EUT was placed on a turn table which is 0.8m above ground plane.
Maximum procedure was performed on the highest emissions to ensure EUT compliance.
Span = wide enough to fully capture the emission being measured
RBW = 9kHz
VBW ≥ RBW
Sweep = auto
Detector function = peak
Trace = max hold
For Below 150KHz:
The EUT was placed on a turn table which is 0.8m above ground plane.
Maximum procedure was performed on the highest emissions to ensure EUT compliance.
Span = wide enough to fully capture the emission being measured
RBW = 200Hz
VBW ≥ RBW
Sweep = auto
Detector function = peak
Trace = max hold
Follow the guidelines in ANSI C63.10-2013 with respect to maximizing the emission by rotating the EUT,
measuring the emission while the EUT is situated in three orthogonal planes (if appropriate), adjusting the
measurement antenna height and polarization, etc. A pre-amp and a high pass filter are required for this
test, in order to provide the measuring system with sufficient sensitivity. Allow the trace to stabilize. The
peak reading of the emission, after being corrected by the antenna factor, cable loss, pre-amp gain, etc., is
the peak field strength, which must comply with the limit specified in Section 15.35(b). Submit this data.
Now set the VBW to 10 Hz, while maintaining all of the other instrument settings. This peak level, once
corrected, must comply with the limit specified in Section 15.209. If the dwell time per channel of the
hopping signal is less than 100 ms, then the reading obtained with the 10 Hz VBW may be further adjusted
by a “duty cycle correction factor”, derived from 20log(dwell time/100 ms), in an effort to demonstrate
compliance with the 15.209 limit. Submit this data.
Repeat above procedures until all frequency measured was complete.
9.7.5

Test Results
Spurious Emission below 30MHz (9KHz to 30MHz)
Temperature:
Relative Humidity:
ATM Pressure:
26° C
54%
1011 mbar
Emission
Limit 3m(dBuV/m)
Over(dB)
Level(dBuV/m)
H/V
PK
AV
PK
AV
PK
AV
--------Note: the amplitude of spurious emission that is attenuated by more than 20dB below the permissible
limit has no need to be reported.
Distance extrapolation factor =40log(Specific distance/ test distance)( dB);
Limit line=Specific limits(dBuV) + distance extrapolation factor
Freq.
(MHz)
Ant.Pol.
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
Spurious Emission Above 1GHz (1GHz to 25GHz)
Bluetooth (GFSK, pi/4-DQPSK, 8DPSK) mode have been tested, and the worst result(GFSK) was report as below:
Test mode:
Freq.
(MHz)
4774.00
7749.00
9857.00
8072.00
12781.00
16028.00
GFSK
Freq.
(MHz)
7392.00
13070.00
16351.00
7613.00
11387.00
15212.00
H/V
GFSK
Ant.Pol.
H/V
Test mode:
Freq.
(MHz)
8089.00
11149.00
16572.00
7834.00
12645.00
14685.00
Emission
Level(dBuV/m)
PK
AV
45.97
32.80
48.89
34.40
50.47
37.20
48.89
35.80
50.30
37.10
51.18
38.30
Ant.Pol.
Test mode:
Frequency:
GFSK
Ant.Po
l.
H/V
Limit 3m(dBuV/m)
PK
74
74
74
74
74
74
Frequency:
Emission Level(dBuV/m)
PK
AV
47.61
34.80
50.59
37.40
52.73
38.40
46.80
33.60
48.61
35.00
50.59
37.40
PK
47.73
49.14
50.80
47.55
49.52
50.76
AV
34.80
36.20
36.20
34.10
36.80
36.90
AV
54
54
54
54
54
54
AV
-21.20
-19.60
-16.80
-18.20
-16.90
-15.70
Channel 39: 2441MHz
Over(dB)
PK
AV
-26.39
-19.20
-23.41
-16.60
-21.27
-15.60
-27.20
-20.40
-25.39
-19.00
-23.41
-16.60
Channel 78: 2480MHz
Limit 3m(dBuV/m)
PK
74
74
74
74
74
74
Over(dB)
PK
-28.03
-25.11
-23.53
-25.11
-23.70
-22.82
Limit 3m(dBuV/m)
PK
AV
74
54
74
54
74
54
74
54
74
54
74
54
Frequency:
Emission Level(dBuV/m)
Channel 0: 2402MHz
AV
54
54
54
54
54
54
Over(dB)
PK
-26.27
-24.86
-23.20
-26.45
-24.48
-23.24
AV
-19.20
-17.80
-17.80
-19.90
-17.20
-17.10
Note: (1) All Readings are Peak Value (VBW=3MHz) and Peak Value (VBW=10Hz).
(2) Emission Level= Reading Level+Probe Factor +Cable Loss.
(3) Data of measurement within this frequency range shown “ -- ” in the table above means the
reading of emissions are attenuated more than 20dB below the permissible limits or the field
strength is too small to be measured.
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 Spurious Emission in Restricted Band 2310-2390MHz and 2483.5-2500MHz
Bluetooth (GFSK, pi/4-DQPSK, 8DPSK, Hopping) mode have been tested, and the worst result(GFSK, Hopping)
was report as below:
Test mode:
GFSK
Frequency:
Channel 0: 2402MHz
Frequency
(MHz)
Polarity
H/V
PK(dBuV/m)
(VBW=3MHz)
Limit 3m
(dBuV/m)
AV(dBuV/m)
(VBW=10Hz)
Limit 3m
(dBuV/m)
2390.000
2389.360
47.77
49.52
74
74
33.40
34.70
54
54
Test mode:
GFSK
Frequency:
Channel 78: 2480MHz
Frequency
(MHz)
Polarity
H/V
PK(dBuV/m)
(VBW=3MHz)
Limit 3m
(dBuV/m)
AV(dBuV/m)
(VBW=10Hz)
Limit 3m
(dBuV/m)
2483.582
2483.500
47.93
49.45
74
74
32.40
34.20
54
54
AV(dBuV/m)
(VBW=10Hz)
Limit 3m
(dBuV/m)
Test mode:
Frequency
(MHz)
GFSK
Polarity
H/V
Frequency:
PK(dBuV/m)
(VBW=3MHz)
Hopping
Limit 3m
(dBuV/m)
2400.000
41.11
74
28.70
54
2400.000
42.13
74
29.40
54
2483.500
36.52
74
24.90
54
2483.500
38.66
74
27.80
54
Note: (1) All Readings are Peak Value (VBW=3MHz) and Peak Value (VBW=10Hz).
(2) Emission Level= Reading Level+Probe Factor +Cable Loss.
(3) Data of measurement within this frequency range shown “ -- ” in the table above means
the reading of emissions are attenuated more than 20dB below the permissible limits or the
field strength is too small to be measured.
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Test Model
Test Model
TRF No.:FCC 15.247/A
Spurious Emission in Restricted Band 2310-2390MHz
Bluetooth V4.2+EDR
Channel 0: 2402MHz
GFSK
Test By: King Kong
Spurious Emission in Restricted Band 2310-2390MHz
Bluetooth V4.2+EDR
Channel 0: 2402MHz
GFSK
Test By: King Kong
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Test Model
Test Model
Spurious Emission in Restricted Band 2483.5-2500MHz
Bluetooth V4.2+EDR
Channel 78: 2480MHz
GFSK
Test By: King Kong
Spurious Emission in Restricted Band 2483.5-2500MHz
Bluetooth V4.2+EDR
Channel 78: 2480MHz
GFSK
Test By: King Kong
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Test Model
Test Model
Spurious Emission in Restricted Band 2310-2390MHz and 2400-2483.5MHz
Bluetooth V4.2+EDR
Hopping
GFSK
Test By: King Kong
Spurious Emission in Restricted Band 2310-2390MHz and 2400-2483.5MHz
Bluetooth V4.2+EDR
Hopping
GFSK
Test By: King Kong
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
Spurious Emission below 1GHz (30MHz to 1GHz)
Bluetooth (GFSK, pi/4-DQPSK, 8DPSK) mode have been tested, and the worst result(GFSK) was report as below:
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9.8 CONDUCTED EMISSION TEST
9.8.1
Applicable Standard
According to FCC Part 15.207(a)
9.8.2
Conformance Limit
Conducted Emission Limit
Frequency(MHz)
Quasi-peak
Average
0.15-0.5
66-56
56-46
0.5-5.0
56
46
5.0-30.0
60
50
Note: 1. The lower limit shall apply at the transition frequencies
2. The limit decreases in line with the logarithm of the frequency in the range of 0.15 to
0.50MHz.
9.8.3
Test Configuration
Test according to clause 7.3 conducted emission test setup
9.8.4
Test Procedure
The EUT was placed on a table which is 0.8m above ground plane.
Maximum procedure was performed on the highest emissions to ensure EUT compliance.
Repeat above procedures until all frequency measured were complete.
9.8.5
Test Results
Pass
The 120V &240V voltagehave been tested, and the worst result recorded was report as below:
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9.9
ANTENNA APPLICATION
9.9.1
Antenna Requirement
Standard
FCC CRF Part 15.203
Requirement
An intentional radiator shall be designed to ensure that no antenna other
than that furnished by the responsible party shall be used with the
device. The use of a permanently attached antenna or of an antenna
that uses a unique coupling to the intentional radiator shall be
considered sufficient to comply with the provisions of this section. The
manufacturer may design the unit so that a broken antenna can be
replaced by the user, but the 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 §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
§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.
For intentional device, according to FCC 47 CFR Section 15.203, an intentional radiator shall be
designed to ensure that no antenna other than that furnished by the responsible party shall be used
with the device. And according to FCC 47 CFR Section 15.247 (b), if transmitting antennas of
directional gain greater than 6dBi are used, the power shall be reduced by the amount in dB that the
directional gain of the antenna exceeds 6dBi.
9.9.2
Result
PASS.
The EUT has 1 antenna: a FPC Antenna for BT V4.2+EDR with classic model, the gain is 0 dBi;;
Note:
Antenna use a permanently attached antenna which is not replaceable.
Not using a standard antenna jack or electrical connector for antenna replacement
The antenna has to be professionally installed (please provide method of installation)
which in accordance to section 15.203, please refer to the internal photos.
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Detail of factor for radiated emission
Frequency(MHz)
Ant_F(dB)
0.009
20.6
0.15
20.7
20.9
10
20.1
30
18.8
Cab_L(dB)
0.03
0.1
0.15
0.28
0.45
Preamp(dB)
Correct Factor(dB)
20.63
20.8
21.05
20.38
19.25
30
100
300
600
800
1000
11.7
12.5
12.9
19.2
21.1
22.3
0.62
1.02
1.91
2.92
3.54
4.17
27.9
27.8
27.5
27
26.6
26.2
-15.58
-14.28
-12.69
-4.88
-1.96
0.27
1000
3000
5000
8000
10000
12000
15000
18000
25.6
28.9
31.1
36.2
38.4
38.5
40.2
45.4
1.76
3.27
4.2
5.95
6.3
7.14
8.15
9.02
41.4
43.2
44.6
44.7
43.9
42.3
41.4
41.3
-14.04
-11.03
-9.3
-2.55
0.8
3.34
6.95
13.12
18000
21000
25000
28000
31000
34000
37000
40000
37.9
37.9
39.3
39.6
41.2
41.5
43.8
43.2
1.81
1.95
2.01
2.16
2.24
2.29
2.30
2.50
47.9
48.7
42.8
46.0
44.5
46.6
46.4
42.2
-8.19
-8.85
-1.49
-4.24
-1.06
-2.81
-0.3
3.5
--------- END OF REPORT --------
TRF No.:FCC 15.247/A
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Document TitleELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT
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