LJ-C2 Intelligent Car Terminal Test Report FCC Part 15.239_FM Beijing iLeja Tech.Co.Ltd.

Beijing iLeja Tech.Co.Ltd. Intelligent Car Terminal

FCC ID Filing: 2AKVNLJ-C2
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Model: LJ-C2
FCC Part 15C
Measurement and Test Report
For
Beijing iLeja Tech. Co. Ltd.
Room 3558, Building 3, Courtyard 29,DongBeiWang South Road, Haidian
District, Beijing
FCC ID: 2AKVNLJ-C2
FCC Rule(s):
FCC Part 15.239
Product Description:
Intelligent Car Terminal
Tested Model:
LJ-C2
Report No.:
STR16108134I-6
Tested Date:
2016-10-26 to 2017-02-28
Issued Date:
2017-02-28
Tested By:
Leo Lee / Engineer
Reviewed By:
Silin Chen / EMC Manager
Approved & Authorized By:
Jandy So / PSQ Manager
Prepared By:
Shenzhen SEM.Test Technology Co., Ltd.
1/F, Building A, Hongwei Industrial Park, Liuxian 2nd Road,
Bao'an District, Shenzhen, P.R.C.(518101)
Tel.: +86-755-33663308 Fax.: +86-755-33663309 Website: www.semtest.com.cn
Note: This test report is limited to the above client company and the product model only. It
may not be duplicated without prior permitted by Shenzhen SEM.Test Technology Co., Ltd.
REPORT NO.: STR16108134I-6
PAGE 1 OF 21
FCC PART 15.239
Model: LJ-C2
TABLE OF CONTENTS
1. GENERAL INFORMATION ...................................................................................................................................3
1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ...............................................................................3
1.2 TEST STANDARDS...................................................................................................................................................4
1.4 TEST METHODOLOGY .............................................................................................................................................4
1.4 TEST FACILITY .......................................................................................................................................................4
1.5 EUT SETUP AND TEST MODE .................................................................................................................................5
1.6 MEASUREMENT UNCERTAINTY ..............................................................................................................................5
1.6 TEST EQUIPMENT LIST AND DETAILS .....................................................................................................................5
2. SUMMARY OF TEST RESULTS ...........................................................................................................................6
3. ANTENNA REQUIREMENT ..................................................................................................................................7
3.1 STANDARD APPLICABLE.........................................................................................................................................7
3.2 TEST RESULT..........................................................................................................................................................7
4. RADIATED EMISSION ...........................................................................................................................................8
4.1 STANDARD APPLICABLE.........................................................................................................................................8
4.2 TEST PROCEDURE ...................................................................................................................................................8
4.3 CORRECTED AMPLITUDE & MARGIN CALCULATION ..............................................................................................9
4.4 ENVIRONMENTAL CONDITIONS ..............................................................................................................................9
4.5 SUMMARY OF TEST RESULTS/PLOTS ......................................................................................................................9
5. EMISSION BANDWIDTH .....................................................................................................................................16
5.1 STANDARD APPLICABLE.......................................................................................................................................16
5.2 TEST PROCEDURE .................................................................................................................................................16
5.3 ENVIRONMENTAL CONDITIONS ............................................................................................................................16
5.4 SUMMARY OF TEST RESULTS/PLOTS ....................................................................................................................16
6. OUT OF BAND EMISSIONS .................................................................................................................................19
6.1 STANDARD APPLICABLE.......................................................................................................................................19
6.2 TEST PROCEDURE .................................................................................................................................................19
6.3 ENVIRONMENTAL CONDITIONS ............................................................................................................................19
6.4 SUMMARY OF TEST RESULTS/PLOTS ....................................................................................................................19
REPORT NO.: STR16108134I-6
PAGE 2 OF 21
FCC PART 15.239
Model: LJ-C2
1. GENERAL INFORMATION
1.1 Product Description for Equipment Under Test (EUT)
Client Information
Applicant:
Address of applicant:
Manufacturer:
Address of manufacturer:
General Description of EUT
Product Name:
Trade Name:
Model No.:
Adding Model(s):
Rated Voltage:
Power Adapter Model:
Beijing iLeja Tech. Co. Ltd.
Room 3558, Building 3, Courtyard 29,DongBeiWang
South Road, Haidian District, Beijing
Beijing iLeja Tech. Co. Ltd.
Room 3558, Building 3, Courtyard 29,DongBeiWang
South Road, Haidian District, Beijing
Intelligent Car Terminal
carrobot
LJ-C2
DC 12V
Note: The test data is gathered from a production sample, provided by the manufacturer.
Technical Characteristics of EUT
Frequency Range:
Max. Field Strength:
Modulation:
Quantity of Channels:
Channel Separation:
Antenna Type:
Lowest Internal Frequency of EUT:
REPORT NO.: STR16108134I-6
88.1-107.9 MHz
51.50dBuV/m
FM
199
100kHz
External antenna
26MHz
PAGE 3 OF 21
FCC PART 15.239
Model: LJ-C2
1.2 Test Standards
The following report of is prepared on behalf of the Beijing iLeja Tech. Co. Ltd. in accordance with FCC
Part 15, Subpart C, and section 15.239, 15.203 and 15.209 of the Federal Communication Commissions
rules.
The objective is to determine compliance with FCC Part 15, Subpart C, and section 15.239, 15.203 and
15.209 of the Federal Communication Commissions rules.
Maintenance of compliance is the responsibility of the manufacturer. Any modification of the product, which
result in lowering the emission/immunity, should be checked to ensure compliance has been maintained.
1.4 Test Methodology
All measurements contained in this report were conducted with ANSI C63.10-2013, American National Standard
for Testing Unlicensed Wireless Devices, and ANSI C63.4-2014, American National Standard for Methods of
Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the range of 9
kHz to 40 GHz.
The equipment under test (EUT) was configured to measure its highest possible emission level. The test modes
were adapted accordingly in reference to the Operating Instructions. The EUT was tested in all three orthogonal
planes and the worse case was showed.
1.4 Test Facility
FCC – Registration No.: 934118
Shenzhen SEM.Test Technology Co., Ltd. EMC Laboratory has been registered and fully described in a report
filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in
our files and the Registration is 934118.
Industry Canada (IC) Registration No.: 11464A
The 3m Semi-anechoic chamber of Shenzhen SEM.Test Technology Co., Ltd. has been registered by Certification
and Engineering Bureau of Industry Canada for radio equipment testing with Registration No.: 11464A.
CNAS Registration No.: L4062
Shenzhen SEM.Test Technology Co., Ltd. is a testing organization accredited by China National Accreditation
Service for Conformity Assessment (CNAS) according to ISO/IEC 17025. The accreditation certificate number is
L4062. All measurement facilities used to collect the measurement data are located at 1/F, Building A, Hongwei
Industrial Park, Liuxian 2nd Road, Bao’an District, Shenzhen, P.R.C (518101).
REPORT NO.: STR16108134I-6
PAGE 4 OF 21
FCC PART 15.239
Model: LJ-C2
1.5 EUT Setup and Test Mode
The EUT was operated at continuous transmitting mode that was for the purpose of the measurements. All testing
shall be performed under maximum output power condition, and to measure its highest possible emissions level,
more detailed description as follows:
Test Mode List
Test Mode
Description
Remark
TM1
Low Channel
88.1MHz
TM2
Middle Channel
98.1MHz
TM3
High Channel
107.9MHz
Special Cable List and Details
Cable Description
Length (m)
Shielded/Unshielded
With / Without Ferrite
DC cable
2.44
Shielded
Without Ferrite
Auxiliary Equipment List and Details
Description
Manufacturer
Model
Serial Number
1.6 Measurement Uncertainty
Measurement uncertainty
Parameter
Conditions
Uncertainty
Occupied Bandwidth
Conducted
±1.5%
Transmitter Spurious Emissions
Radiated
±5.1dB
1.6 Test Equipment List and Details
No.
SEMT-1072
Description
Spectrum Analyzer
Manufacturer
Agilent
Model
E4407B
Serial No.
MY41440400
Cal Date Due Date
2016-06-04 2017-06-03
SEMT-1031
Spectrum Analyzer
Rohde & Schwarz
FSP30
836079/035
2016-06-04 2017-06-03
SEMT-1007
EMI Test Receiver
Rohde & Schwarz
ESVB
825471/005
2016-06-04 2017-06-03
SEMT-1008
Amplifier
Agilent
8447F
3113A06717
2016-06-04 2017-06-03
SEMT-1043
Amplifier
C&D
PAP-1G18
2002
2016-06-04 2017-06-03
SEMT-1011
Broadband Antenna
Schwarz beck
VULB9163
9163-333
2016-06-04 2017-06-03
SEMT-1042
Horn Antenna
ETS
3117
00086197
2016-06-04 2017-06-03
SEMT-1069
Loop Antenna
Schwarz beck
FMZB 1516
9773
2016-06-04 2017-06-03
SEMT-1001
EMI Test Receiver
Rohde & Schwarz
ESPI
101611
2016-06-04 2017-06-03
SEMT-1003
L.I.S.N
Schwarz beck
NSLK8126
8126-224
2016-06-04 2017-06-03
SEMT-1002
Pulse Limiter
Rohde & Schwarz
ESH3-Z2
100911
2016-06-04 2017-06-03
SEMT-1080
Signal Generator
Agilent
83752A
3610A01453
2016-06-04 2017-06-03
REPORT NO.: STR16108134I-6
PAGE 5 OF 21
FCC PART 15.239
Model: LJ-C2
2. SUMMARY OF TEST RESULTS
FCC Rules
Description of Test Item
Result
§15.203
Antenna Requirement
Compliant
§15.205
Restricted Band of Operation
Compliant
§15.207(a)
Conducted Emission
N/A
§15.209
Radiated Emissions
Compliant
§15.239(c)
Out of band emission
Compliant
§15.239(a)
Emission Bandwidth
Compliant
§15.239(b)
Radiated Emissions
Compliant
REPORT NO.: STR16108134I-6
PAGE 6 OF 21
FCC PART 15.239
Model: LJ-C2
3. ANTENNA REQUIREMENT
3.1 Standard Applicable
According to FCC Part 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.
3.2 Test Result
This product has an external antenna with a dedicated connector; fulfill the requirement of this section.
REPORT NO.: STR16108134I-6
PAGE 7 OF 21
FCC PART 15.239
Model: LJ-C2
4. RADIATED EMISSION
4.1 Standard Applicable
According to §15.239(b), The field strength of any emissions within the permitted 200 kHz band shall not exceed
250 microvolts/meter at 3 meters. The emission limit in this paragraph is based on measurement instrumentation
employing an average detector. The provisions in §15.35 for limiting peak emissions apply.
According to §15.239(c), The field strength of any emissions radiated on any frequency outside of the specified
200 kHz band shall not exceed the general radiated emission limits in §15.209.
4.2 Test Procedure
The setup of EUT is according with per ANSI C63.10-2013 measurement procedure. The specification used was
with the FCC Part 15.239(b) and FCC Part 15.209 Limit.
REPORT NO.: STR16108134I-6
PAGE 8 OF 21
FCC PART 15.239
Model: LJ-C2
4.3 Corrected Amplitude & Margin Calculation
The Corrected Amplitude is calculated by adding the Antenna Factor and the Cable Factor, and subtracting the
Amplifier Gain from the Amplitude reading. The basic equation is as follows:
Corr. Ampl. = Indicated Reading +Ant.Loss +Cab. Loss – Ampl.Gain
The “Margin” column of the following data tables indicates the degree of compliance with the applicable limit.
For example, a margin of -6dBV means the emission is 6dBV below the maximum limit. The equation for
margin calculation is as follows:
Margin = Corr. Ampl. – FCC Part 15.239 Limit
4.4 Environmental Conditions
Temperature:
21 C
Relative Humidity:
50
ATM Pressure:
1011 mbar
4.5 Summary of Test Results/Plots
According to the data below, the FCC Part 15.209 and 15.239 standards, and had the worst margin of:
-10.3dB at 714.1734 in the Horizontal polarization, peak, Low Channel, 9 kHz to 1 GHz, 3Meters
Note: this EUT was tested in 3 orthogonal positions and the worst case position data was reported.
REPORT NO.: STR16108134I-6
PAGE 9 OF 21
FCC PART 15.239
Model: LJ-C2
Plot of Radiated Emissions Test Data
EUT:
Intelligent Car Terminal
Tested Model:
LJ-C2
Operating Condition:
Transmitting Low Channel (88.1MHz)
Comment:
DC 12V
Test Specification:
Horizontal
No.
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV/m)
dB/m
(dBuV/m)
(dBuV/m)
(dB)
88.1000
46.12
3.08
49.20
68.00
-18.80
360
100
peak
88.1000
42.64
3.08
45.72
48.00
-2.28
360
100
AVG
189.7385
24.87
2.88
27.75
43.50
-15.75
360
100
peak
272.2776
18.12
10.58
28.70
46.00
-17.30
360
100
peak
379.9141
18.23
11.79
30.02
46.00
-15.98
360
100
peak
435.5898
19.04
12.35
31.39
46.00
-14.61
360
100
peak
645.1195
16.05
17.94
33.99
46.00
-12.01
360
100
peak
714.1734
18.34
17.63
35.97
46.00
-10.03
360
100
peak
REPORT NO.: STR16108134I-6
PAGE 10 OF 21
Degree
Height
Remark
(cm)
FCC PART 15.239
Model: LJ-C2
Test Specification:
No.
Vertical
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV/m)
dB/m
(dBuV/m)
(dBuV/m)
(dB)
49.8814
16.07
4.98
21.05
40.00
-18.95
360
100
peak
88.1000
44.66
3.06
47.72
68.00
-20.28
360
100
peak
88.1000
41.27
3.08
44.35
48.00
-3.65
360
100
AVG
114.1138
15.58
4.85
20.43
43.50
-23.07
360
100
peak
276.1235
16.52
10.86
27.38
46.00
-18.62
360
100
peak
389.3549
16.61
12.20
28.81
46.00
-17.19
360
100
peak
651.9417
16.53
17.77
34.30
46.00
-11.70
360
100
peak
734.4913
14.99
18.69
33.68
46.00
-12.32
360
100
peak
REPORT NO.: STR16108134I-6
PAGE 11 OF 21
Degree
Height
Remark
(cm)
FCC PART 15.239
Model: LJ-C2
Operating Condition:
Comment:
Transmitting Middle Channel (98.1MHz)
DC 12V
Test Specification:
Horizontal
No.
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV/m)
dB/m
(dBuV/m)
(dBuV/m)
(dB)
44.7433
15.16
4.95
20.11
40.00
-19.89
360
100
peak
98.1000
46.20
4.64
50.84
68.00
-17.16
360
100
peak
98.1000
42.55
4.64
47.19
48.00
-0.81
360
100
AVG
191.7450
22.38
2.97
25.35
43.50
-18.15
360
100
peak
245.0900
17.94
9.13
27.07
46.00
-18.93
360
100
peak
435.5898
17.88
12.35
30.23
46.00
-15.77
360
100
peak
631.6884
15.48
17.78
33.26
46.00
-12.74
360
100
peak
755.3873
14.88
18.35
33.23
46.00
-12.77
360
100
peak
REPORT NO.: STR16108134I-6
PAGE 12 OF 21
Degree
Height
Remark
(cm)
FCC PART 15.239
Model: LJ-C2
Test Specification:
No.
Vertical
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV/m)
dB/m
(dBuV/m)
(dBuV/m)
(dB)
36.0007
15.94
4.33
20.27
40.00
-19.73
360
100
peak
46.0164
14.88
4.95
19.83
40.00
-20.17
360
100
peak
98.1000
44.95
4.64
49.59
68.00
-18.41
360
100
peak
98.1000
42.03
4.64
46.67
48.00
-1.33
360
100
AVG
246.8149
14.78
9.18
23.96
46.00
-22.04
360
100
peak
330.1949
15.08
11.64
26.72
46.00
-19.28
360
100
peak
709.1823
17.31
17.48
34.79
46.00
-11.21
360
100
peak
774.1584
16.60
17.19
33.79
46.00
-12.21
360
100
peak
REPORT NO.: STR16108134I-6
PAGE 13 OF 21
Degree
Height
Remark
(cm)
FCC PART 15.239
Model: LJ-C2
Operating Condition:
Comment:
Transmitting High Channel (107.9MHz)
DC 12V
Test Specification:
Horizontal
No.
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV/m)
dB/m
(dBuV/m)
(dBuV/m)
(dB)
56.7917
15.54
5.00
20.54
40.00
-19.46
360
100
peak
107.9000
46.62
4.88
51.50
68.00
-16.50
360
100
peak
107.9000
42.39
4.88
47.27
48.00
-0.73
360
100
AVG
189.7385
23.03
2.88
25.91
43.50
-17.59
360
100
peak
278.0668
16.32
11.00
27.32
46.00
-18.68
360
100
peak
435.5898
17.59
12.35
29.94
46.00
-16.06
360
100
peak
679.9600
14.88
18.68
33.56
46.00
-12.44
360
100
peak
785.0935
16.80
16.65
33.45
46.00
-12.55
360
100
peak
REPORT NO.: STR16108134I-6
PAGE 14 OF 21
Degree
Height
Remark
(cm)
FCC PART 15.239
Model: LJ-C2
Test Specification:
No.
Vertical
Frequency
Reading
Correct
Result
Limit
Margin
Degree
(MHz)
(dBuV/m)
dB/m
(dBuV/m)
(dBuV/m)
(dB)
38.3462
16.25
4.68
20.93
40.00
-19.07
360
100
peak
55.2207
14.64
5.02
19.66
40.00
-20.34
360
100
peak
107.9000
44.93
4.88
49.81
68.00
-18.19
360
100
peak
107.9000
41.87
4.88
46.75
48.00
-1.25
360
100
AVG
302.4812
14.52
11.95
26.47
46.00
-19.53
360
100
peak
354.1831
16.08
11.76
27.84
46.00
-18.16
360
100
peak
649.6597
16.34
17.84
34.18
46.00
-11.82
360
100
peak
744.8661
14.39
18.81
33.20
46.00
-12.80
360
100
peak
Height
Remark
(cm)
The measurements greater than 20dB below the limit from 9kHz to 30MHz.
REPORT NO.: STR16108134I-6
PAGE 15 OF 21
FCC PART 15.239
Model: LJ-C2
5. EMISSION BANDWIDTH
5.1 Standard Applicable
According to FCC 15.239(a), Emissions from the intentional radiator shall be confined within a band 200 kHz
wide centered on the operating frequency. The 200 kHz band shall lie wholly within the frequency range of
88–108 MHz.
5.2 Test Procedure
According to ANSI C63.10-2013 section 8.7, the method for occupied bandwidth measurements of intentional
radiators operating in the band 88 MHz to 108 MHz as follows.
a) For the purposes of occupied bandwidth measurements, the input signal shall be a 2.5 kHz tone. The level of
the tone shall be 16 dB higher than that required to produce a frequency deviation of 75 kHz, or 50% of the
manufacturer’s rated deviation, whichever is less.
b) Alternatively, in the event that a 16 dB increase cannot be achieved, the level of the tone shall be set to the
manufacturer’s maximum rated input to the modulator.
c) For FM modulators where only digital inputs are used, the manufacturer’s maximum rated input is defined as
the maximum digital input, which is 0 dB. The input shall be injected such that any filtering, emphasis, or other
gain enhancements or reductions in front of the modulator are exercised in the same way that they will be when
the device is operated by an end user.
d) For all measurements, the EUT settings that can be controlled by the end user, and that can affect the FM
modulated signal, shall be adjusted to their maximum.
e) In addition to the graphical representations of the occupied bandwidth measurement results, the manufacturer’s
maximum rated input to the modulator shall be included in the test report.
f) The occupied bandwidth shall be recorded as the 20 dB bandwidth and tested at the low, middle, and high
channels, and it shall be wholly contained in the band 88 MHz to 108 MHz.
5.3 Environmental Conditions
Temperature:
21 C
Relative Humidity:
52
ATM Pressure:
1011 mbar
5.4 Summary of Test Results/Plots
Test Frequency
MHz
20dB Bandwidth
kHz
Limit
kHz
Result
88.1
107.2
200
Pass
98.1
107.2
200
Pass
107.9
106
200
Pass
REPORT NO.: STR16108134I-6
PAGE 16 OF 21
FCC PART 15.239
Model: LJ-C2
Refer to the attached plots.
Low Channel
Middle Channel
REPORT NO.: STR16108134I-6
PAGE 17 OF 21
FCC PART 15.239
Model: LJ-C2
High Channel
REPORT NO.: STR16108134I-6
PAGE 18 OF 21
FCC PART 15.239
Model: LJ-C2
6. OUT OF BAND EMISSIONS
6.1 Standard Applicable
According to §15.239(c), The field strength of any emissions radiated on any frequency outside of the specified
200 kHz band shall not exceed the general radiated emission limits in §15.209.
6.2 Test Procedure
As the radiation test, set the Lowest and Highest Transmitting Channel, observed the outside band of 88MHz to
108MHz, than mark the higher-level emission for comparing with the FCC rules.
6.3 Environmental Conditions
Temperature:
22 C
Relative Humidity:
54
ATM Pressure:
1012 mbar
6.4 Summary of Test Results/Plots
Frequency
Limit
MHz
dBuV / dBc
Lowest
88
<40 dBuV
Pass
Highest
108
<43.5 dBuV
Pass
Test mode
Result
The edge emissions are below the FCC Part 15.209 Limits requirements.
Refer to the attached plots.
REPORT NO.: STR16108134I-6
PAGE 19 OF 21
FCC PART 15.239
Model: LJ-C2
Lower Bandedge
No.
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV/m)
dB/m
(dBuV/m)
(dBuV/m)
(dB)
88.0000
27.24
3.06
30.30
40.00
-9.70
REPORT NO.: STR16108134I-6
PAGE 20 OF 21
Degree
157
Height
Remark
(cm)
100
peak
FCC PART 15.239
Model: LJ-C2
Upper Bandedge
No.
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV/m)
dB/m
(dBuV/m)
(dBuV/m)
(dB)
108.0000
28.00
4.88
32.88
43.50
-10.62
Degree
279
Height
Remark
(cm)
100
peak
***** END OF REPORT *****
REPORT NO.: STR16108134I-6
PAGE 21 OF 21
FCC PART 15.239
Download: LJ-C2 Intelligent Car Terminal Test Report FCC Part 15.239_FM Beijing iLeja Tech.Co.Ltd.
Mirror Download [FCC.gov]LJ-C2 Intelligent Car Terminal Test Report FCC Part 15.239_FM Beijing iLeja Tech.Co.Ltd.
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