TBX705F Portable Tablet Computer Test Report Report_FCC15B 0719 Lenovo (Shanghai) Electronics Technology

Lenovo (Shanghai) Electronics Technology Portable Tablet Computer

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Page 27 of TBX705F Portable Tablet Computer Test Report Report_FCC15B 0719 Lenovo (Shanghai) Electronics Technology

FCC Certification Test Report
Report No.: FC180528C19
Test Model: Lenovo TB-X705F
FCC ID: O57TBX705F
Received Date: May 28, 2018
Test Date: Jun. 06, 2018 ~ Jun. 07, 2018
Issued Date: Jun. 14, 2018
Applicant: Lenovo(Shanghai) Electronics Technology Co., Ltd.
Address: NO.68 BUILDING, 199 FENJU RD, China (Shanghai) Pilot Free Trade
Zone, 200131, CHINA
Manufacturer: Lenovo PC HK Limited
Address: 23/F, Lincoln House, Taikoo Place 979 King's Road, Quarry Bay, Hong Kong
Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch
Lab Address: No.19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City
33383, TAIWAN (R.O.C.)
FCC Registration /
328930 / TW1050
Designation Number:
This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted
only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this
report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product
unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you
provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided,
however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time
shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific
mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification.
The report must not be used by the client to claim product certification, approval, or endorsement by A2LA, or any agency of the U.S. government.
The report must not be used by the client to claim product certification, approval, or endorsement by TAF or any government agencies.
Report No.: FC180528C19
Page No. 1 / 27
Report Format Version: 6.1.2
Table of Contents
Release Control Record .................................................................................................................................. 3
Certificate of Conformity ......................................................................................................................... 4
Summary of Test Results......................................................................................................................... 5
2.1
2.2
General Information ................................................................................................................................. 6
3.1
3.2
3.3
3.4
3.5
3.6
Limits ................................................................................................................................................. 14
Test Instruments ................................................................................................................................ 15
Test Arrangement .............................................................................................................................. 16
Test Results ....................................................................................................................................... 17
Radiated Emissions above 1 GHz......................................................................................................... 19
7.1
7.2
7.3
7.4
Limits ................................................................................................................................................. 10
Test Instruments ................................................................................................................................ 10
Test Arrangement ............................................................................................................................... 11
Test Results ....................................................................................................................................... 12
Radiated Emissions up to 1 GHz .......................................................................................................... 14
6.1
6.2
6.3
6.4
Connection Diagram of EUT and Peripheral Devices ......................................................................... 9
Configuration of Peripheral Devices and Cable Connections ............................................................. 9
Conducted Emissions at Mains Ports .................................................................................................. 10
5.1
5.2
5.3
5.4
Features of EUT .................................................................................................................................. 6
General Description of EUT ................................................................................................................ 6
Construction of EUT ............................................................................................................................ 7
Operating Modes of EUT and Determination of Worst Case Operating Mode ................................... 8
Test Program Used and Operation Descriptions ................................................................................. 8
Primary Clock Frequencies of Internal Source ................................................................................... 8
Configuration and Connections with EUT ............................................................................................. 9
4.1
4.2
Measurement Uncertainty ................................................................................................................... 5
Modification Record ............................................................................................................................ 5
Limits ................................................................................................................................................. 19
Test Instruments ................................................................................................................................ 20
Test Arrangement .............................................................................................................................. 21
Test Results ....................................................................................................................................... 22
Pictures of Test Arrangements ............................................................................................................. 26
Appendix – Information on the Testing Laboratories ................................................................................ 27
Report No.: FC180528C19
Page No. 2 / 27
Report Format Version: 6.1.2
Release Control Record
Issue No.
Description
Date Issued
FC180528C19
Original Release
Jun. 14, 2018
Report No.: FC180528C19
Page No. 3 / 27
Report Format Version: 6.1.2
1
Certificate of Conformity
Product: Portable Tablet Computer
Brand: Lenovo
Test Model: Lenovo TB-X705F
Sample Status: Production Unit
Applicant: Lenovo(Shanghai) Electronics Technology Co., Ltd.
Test Date: Jun. 06, 2018 ~ Jun. 07, 2018
Standards: 47 CFR FCC Part 15, Subpart B, Class B
ANSI C63.4:2014
The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd.,
Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data
evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts
of the measurements of the sample’s EMC characteristics under the conditions specified in this report.
Prepared by :
Date:
Jun. 14, 2018
Date:
Jun. 14, 2018
Rona Chen / Specialist
Approved by :
Carl Chen / Project Engineer
Report No.: FC180528C19
Page No. 4 / 27
Report Format Version: 6.1.2
2
Summary of Test Results
47 CFR FCC Part 15, Subpart B, Class B
ANSI C63.4:2014
FCC Clause
15.107
Test Item
Result/Remarks
Verdict
AC Power Line Conducted Emissions
Minimum passing Class B margin is
-10.07 dB at 0.54501 MHz
Pass
Radiated Emissions up to 1 GHz
Minimum passing Class B margin is
-8.51 dB at 99.99 MHz
Pass
Radiated Emissions above 1 GHz
Minimum passing Class B margin is
-16.30 dB at 22154.65 MHz
Pass
15.109
Note: There is no deviation to the applied test methods and requirements covered by the scope of this report.
2.1
Measurement Uncertainty
Where relevant, the following measurement uncertainty levels have been estimated for tests performed on
the EUT:
The listed uncertainties are the worst case uncertainty for the entire range of measurement. Please note that
the uncertainty values are provided for informational purposes only and are not used in determining the
PASS/FAIL results.
2.2
Measurement
Frequency
Expanded Uncertainty
(k=2) (±)
Conducted Emissions at mains ports
150 kHz ~ 30 MHz
2.44 dB
Radiated Emissions up to 1 GHz
30 MHz ~ 1 GHz
4.70 dB
Radiated Emissions above 1 GHz
Above 1 GHz
2.26 dB
Modification Record
There were no modifications required for compliance.
Report No.: FC180528C19
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Report Format Version: 6.1.2
3
General Information
3.1
Features of EUT
The tests reported herein were performed according to the method specified by Lenovo(Shanghai)
Electronics Technology Co., Ltd., for detailed feature description, please refer to the manufacturer's
specifications or user's manual.
3.2
General Description of EUT
Product
Portable Tablet Computer
Brand
Lenovo
Test Model
Lenovo TB-X705F
Status of EUT
Production Unit
Operating Software
Android 8.1.0
Power Supply Rating
3.85 Vdc (Battery)
5 Vdc (Adapter or host equipment)
Accessory Device
Refer to Note as below
Data Cable Supplied
Refer to Note as below
Note:
1. The EUT contains following accessory devices.
Product
Brand
Model
Description
Adapter 1
Salom
SC-41
I/P: 100-240 Vac, 50/60 Hz, 0.3 A
O/P: 5 Vdc, 2 A
Adapter 2
AcBel
SC-41
I/P: 100-240 Vac, 50/60 Hz, 0.3 A
O/P: 5 Vdc, 2 A
Battery 1
SCUD
L16D2P31
3.85 Vdc, 7000 mAh
Battery 2
Celxpert
L16D2P31
3.85 Vdc, 7000 mAh
USB Cable 1
(White)
LiQi
LQ-02300039
1 m shielded cable w/o core
USB Cable 2
(Black)
LiQi
LQ-02300040
1 m shielded cable w/o core
LCD Panel 1
BOE
TV101WUM-LL0/TV101W
UM-LL1
10.1 "
LCD Panel 2
INNOLUX
P101KZD-AF0/P101KZD-A
F1
10.1 "
Photo Camera 1
O-film
L8856A00
8M AF
Photo Camera 2
Q-tech
F8856CB
8M AF
Photo Camera 3
Lcetron
LE5132FM
5M FF
Photo Camera 4
Holitech
MF80G
5M FF
CPU
Qualcomm
SDA-450-A-792NSP-TR-0
1-0-AA
792nsp
* USB Cable 1 and USB Cable 2 is electrically identical, difference models are for color distinguished. Therefore, only USB
Cable 1 is as a representative for final test.
Report No.: FC180528C19
Page No. 6 / 27
Report Format Version: 6.1.2
Product
Brand
Model
EMMC1 + DDR1
SAMSUNG
KMGD6001BM-B421
(3+32)
32G
EMMC2 + DDR2
HYNIX
H9TQ26ADFTBCUR-KUM
(3+32)
32G
EMMC3 + DDR3
SAMSUNG
KMRH60014A-B614
(4+64)
64G
EMMC4 + DDR4
HYNIX
H9TQ52ACLTMCUR-KUM
(4+64)
64G
Speaker
Keysound
QM171219AM48
--
Motor 1
AWA
YK2455R
--
Motor 2
Baolong
BLX-431320S
--
Main Board 1
huashen
W92ME1B3-3-03
--
Main Board 2
yilianda
W92ME1B3-3-05
--
BT/WLAN Module
Qualcomm
WCN-3680B-0-79BWLNS
--
3.3
Description
Construction of EUT
EUT has been pre-tested under following configurations.
Part
Brand
Model
Specification
Battery 1
SCUD
L16D2P31
3.85 Vdc, 7000 mAh
Battery 2
Celxpert
L16D2P31
3.85 Vdc, 7000 mAh
LCD Panel 1
LCD Panel 2
Photo Camera 1
Photo Camera 2
Photo Camera 3
Photo Camera 4
CPU
EMMC1 + DDR1
EMMC2 + DDR2
EMMC3 + DDR3
EMMC4 + DDR4
Speaker
Motor 1
Motor 2
Main Board 1
Main Board 2
BT/WLAN
Module
BOE
INNOLUX
O-film
Q-tech
Lcetron
Holitech
Qualcomm
SAMSUNG
HYNIX
SAMSUNG
HYNIX
Keysound
AWA
Baolong
huashen
yilianda
TV101WUM-LL0/TV101WUM-LL1
P101KZD-AF0/P101KZD-AF1
L8856A00
F8856CB
LE5132FM
MF80G
SDA-450-A-792NSP-TR-01-0-AA
KMGD6001BM-B421(3+32)
H9TQ26ADFTBCUR-KUM(3+32)
KMRH60014A-B614(4+64)
H9TQ52ACLTMCUR-KUM(4+64)
QM171219AM48
YK2455R
BLX-431320S
W92ME1B3-3-03
W92ME1B3-3-05
Qualcomm
WCN-3680B-0-79BWLNSP
Configuration
10.1 "
10.1 "
8M AF
8M AF
5M FF
5M FF
792nsp
32G
32G
64G
64G
------
--
* Above EMMC+DDR only which has the maximum capacity was chosen for final test. Therefore, configuration 2 and 4 were the
representative sample for final test.
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Page No. 7 / 27
Report Format Version: 6.1.2
3.4
Operating Modes of EUT and Determination of Worst Case Operating Mode
Test modes are presented in the report as below.
Mode Config.
Test Condition
Conducted Emission
BT Link + WLAN (2.4G) Link + GPS & GLONASS Rx + Earphone + SD Card + USB Cable + Adapter 1
BT Link + WLAN (2.4G) Link + GPS & GLONASS Rx + Earphone + SD Card + USB Cable + Adapter 1
BT Link + WLAN (5G) Link + GPS & GLONASS Rx + Earphone + SD Card + USB Cable + Adapter 2
BT Link + WLAN (5G) Link + Front Camera + Earphone + SD Card + USB Cable + Adapter 2
BT Link + WLAN (5G) Link + Rear Camera + Earphone + SD Card + USB Cable + Adapter 2
BT Link + WLAN (5G) Link + MPEG 4 + Earphone + SD Card + USB Cable + Adapter 2
BT Link + WLAN (5G) Link + Rear Camera + Earphone + SD Card + USB Cable + USB Link to
Notebook
Radiated Emission
BT Link + WLAN (2.4G) Link + GPS & GLONASS Rx + Earphone + SD Card + USB Cable + Adapter 1
BT Link + WLAN (2.4G) Link + GPS & GLONASS Rx + Earphone + SD Card + USB Cable + Adapter 1
BT Link + WLAN (5G) Link + GPS & GLONASS Rx + Earphone + SD Card + USB Cable + Adapter 2
BT Link + WLAN (2.4G) Link + Front Camera + Earphone + SD Card + USB Cable + Adapter 1
BT Link + WLAN (2.4G) Link + Rear Camera + Earphone + SD Card + USB Cable + Adapter 1
BT Link + WLAN (2.4G) Link + MPEG 4 + Earphone + SD Card + USB Cable + Adapter 1
BT Link + WLAN (2.4G) Link + MPEG 4 + Earphone + SD Card + USB Cable + USB Link to Notebook
Remark:
1. For conducted emission test, test mode 5 was the worst case and only this mode was presented in the
report.
2. For radiated emission test, test mode 6 was the worst case and only this mode was presented in the
report.
3.5
Test Program Used and Operation Descriptions
a. The EUT was charged from adapter.
b. The EUT linked with Bluetooth earphone.
c. The EUT sent audio signal to the earphone.
d. The EUT played Camera / MPEG4 .
e. The EUT communicated data with the Wireless AP which acted as a communication partner.
3.6
Primary Clock Frequencies of Internal Source
The highest frequency generated or used within the EUT or on which the EUT operates or tunes is 5 GHz,
provided by Lenovo(Shanghai) Electronics Technology Co., Ltd., for detailed internal source, please refer to
the manufacturer's specifications.
Report No.: FC180528C19
Page No. 8 / 27
Report Format Version: 6.1.2
4
Configuration and Connections with EUT
4.1
Connection Diagram of EUT and Peripheral Devices
EUT
Micro SD Card (D)
(2)
Earphone (C)
(1)
Adapter (EUT)
Bluetooth Earphone (B)
Remote site
Wireless AP (A)
4.2
ID
A.
Configuration of Peripheral Devices and Cable Connections
Product
Wireless N Dual band
Router
B.
BLUETOOTH
EARPHONE
Brand
Model No.
Serial No.
FCC ID
Remarks
D-LINK
DIR-815
PVK21B5000399
KA21R815A1
--
ELECOM
LBT-MPHS400
N/A
N/A
--
C.
Earphone
PHILIPS
SBC HL150
N/A
N/A
--
D.
Micro SD Card
Transcend
N/A
N/A
N/A
--
Note:
1. All power cords of the above support units are non-shielded (1.8m).
2. Items A~B acted as communication partners to transfer data.
ID
Descriptions
Qty.
1.
USB Cable
2.
Earphone Cable
Shielding
(Yes/No)
Cores (Qty.)
Remarks
Accessory of the EUT
1.5
--
Length (m)
Note: The core(s) is(are) originally attached to the cable(s).
Report No.: FC180528C19
Page No. 9 / 27
Report Format Version: 6.1.2
5
5.1
Conducted Emissions at Mains Ports
Limits
Class A (dBuV)
Class B (dBuV)
Frequency (MHz)
Quasi-peak
Average
Quasi-peak
Average
0.15 - 0.5
79
66
66 - 56
56 - 46
0.50 - 5.0
73
60
56
46
5.0 - 30.0
73
60
60
50
Notes: 1. The lower limit shall apply at the transition frequencies.
2. The limit decreases linearly with the logarithm of the frequency in the range of 0.15 to 0.50 MHz.
5.2
Test Instruments
Description & Manufacturer
Test Receiver
ROHDE & SCHWARZ
RF signal cable
Woken
LISN
ROHDE & SCHWARZ
(EUT)
LISN
ROHDE & SCHWARZ
(Peripheral)
Software
ADT
Model No.
Serial No.
Cal. Date
Cal. Due
ESR3
102412
Feb. 08, 2018
Feb. 07, 2019
5D-FB
Cable-cond2-01
Sep. 08, 2017
Sep. 07, 2018
ESH2-Z5
100100
Feb. 05, 2018
Feb. 04, 2019
ESH3-Z5
100312
Aug. 02, 2017
Aug. 01, 2018
BV ADT_Cond_
V7.3.7.4
NA
NA
NA
Note: 1. The calibration interval of the above test instruments is 12 months and the calibrations are traceable
to NML/ROC and NIST/USA.
2. The test was performed in HwaYa Shielded Room 2.
3. The VCCI Site Registration No. is C-2047.
Report No.: FC180528C19
Page No. 10 / 27
Report Format Version: 6.1.2
5.3
Test Arrangement
a. The EUT was placed 0.4 meters from the conducting wall of the shielded room with EUT being connected
to the power mains through a line impedance stabilization network (LISN). Other support units were
connected to the power mains through another LISN. The two LISNs provide 50 Ohm/ 50 uH of coupling
impedance for the measuring instrument.
b. Both lines of the power mains connected to the EUT were checked for maximum conducted interference.
c. The test results of conducted emissions at mains ports are recorded of six worst margins for quasi-peak
(mandatory) [and average (if necessary)] values against the limits at frequencies of interest unless the
margin is 20 dB or greater.
Note: The resolution bandwidth and video bandwidth of test receiver is 9 kHz for quasi-peak detection (QP)
and average detection (AV) at frequency 0.15 MHz – 30 MHz.
Vertical Ground
Reference Plane
40cm
Test Receiver
EUT
80cm
LISN
Horizontal Ground
Reference Plane
Note: 1.Support units were connected to second LISN.
2.Both of LISNs (AMN) are 80 cm from EUT and at least 80 cm
from other units and other metal planes
support.
Report No.: FC180528C19
units.
Page No. 11 / 27
Report Format Version: 6.1.2
5.4
Test Results
Frequency Range
150kHz ~ 30MHz
Input Power
120Vac, 60Hz
Tested by
Daniel Lin
Test Mode
Mode 5
Frequency
No
(MHz)
0.54501
0.90483
1.15058
2.36175
3.62846
4.83450
Correction
Factor
(dB)
10.36
10.40
10.42
10.45
10.51
10.54
Detector Function &
Resolution
Bandwidth
Environmental
Conditions
Test Date
Phase Of Power : Line (L)
Reading Value
Emission Level
(dBuV)
(dBuV)
Q.P.
AV.
Q.P.
AV.
32.67
25.57
43.03
35.93
29.44
23.67
39.84
34.07
29.76
22.37
40.18
32.79
28.60
19.86
39.05
30.31
26.68
18.79
37.19
29.30
22.73
14.55
33.27
25.09
Quasi-Peak (QP) /
Average (AV), 9kHz
25℃, 62%RH
2018/6/7
Limit
(dBuV)
Q.P.
AV.
56.00
46.00
56.00
46.00
56.00
46.00
56.00
46.00
56.00
46.00
56.00
46.00
Margin
(dB)
Q.P.
AV.
-12.97 -10.07
-16.16 -11.93
-15.82 -13.21
-16.95 -15.69
-18.81 -16.70
-22.73 -20.91
Remarks:
1. Q.P. and AV. are abbreviations of quasi-peak and average individually.
2. The emission levels of other frequencies were very low against the limit.
3. Margin value = Emission level – Limit value
4. Correction factor = Insertion loss + Cable loss
5. Emission Level = Correction Factor + Reading Value
Report No.: FC180528C19
Page No. 12 / 27
Report Format Version: 6.1.2
Frequency Range
150kHz ~ 30MHz
Input Power
120Vac, 60Hz
Tested by
Daniel Lin
Test Mode
Mode 5
Frequency
No
(MHz)
0.54357
0.72485
1.15350
2.17275
3.81075
4.65061
Correction
Factor
(dB)
10.34
10.37
10.42
10.49
10.55
10.58
Detector Function &
Resolution
Bandwidth
Environmental
Conditions
Test Date
Phase Of Power : Neutral (N)
Reading Value
Emission Level
(dBuV)
(dBuV)
Q.P.
AV.
Q.P.
AV.
34.01
24.63
44.35
34.97
29.83
20.85
40.20
31.22
30.49
19.73
40.91
30.15
28.57
16.54
39.06
27.03
26.44
14.89
36.99
25.44
24.37
13.30
34.95
23.88
Quasi-Peak (QP) /
Average (AV), 9kHz
25℃, 62%RH
2018/6/7
Limit
(dBuV)
Q.P.
AV.
56.00
46.00
56.00
46.00
56.00
46.00
56.00
46.00
56.00
46.00
56.00
46.00
Margin
(dB)
Q.P.
AV.
-11.65 -11.03
-15.80 -14.78
-15.09 -15.85
-16.94 -18.97
-19.01 -20.56
-21.05 -22.12
Remarks:
1. Q.P. and AV. are abbreviations of quasi-peak and average individually.
2. The emission levels of other frequencies were very low against the limit.
3. Margin value = Emission level – Limit value
4. Correction factor = Insertion loss + Cable loss
5. Emission Level = Correction Factor + Reading Value
Report No.: FC180528C19
Page No. 13 / 27
Report Format Version: 6.1.2
6
Radiated Emissions up to 1 GHz
6.1
Limits
Emissions radiated outside of the specified bands, shall be according to the general radiated limits as
following:
Radiated Emissions Limits at 10 meters (dBμV/m)
Frequencies
(MHz)
FCC 15B / ICES-003,
Class A
FCC 15B / ICES-003,
Class B
30-88
39
29.5
88-216
43.5
33.1
46.4
35.6
49.5
43.5
CISPR 22, Class A
CISPR 22, Class B
40
30
47
37
216-230
230-960
960-1000
Radiated Emissions Limits at 3 meters (dBμV/m)
Frequencies
(MHz)
FCC 15B / ICES-003,
Class A
FCC 15B / ICES-003,
Class B
30-88
49.5
40
88-216
54
43.5
56.9
46
60
54
CISPR 22, Class A
CISPR 22, Class B
50.5
40.5
57.5
47.5
216-230
230-960
960-1000
Notes:
1. The lower limit shall apply at the transition frequencies.
2. Emission level (dBuV/m) = 20 log Emission level (uV/m).
3. QP detector shall be applied if not specified.
Report No.: FC180528C19
Page No. 14 / 27
Report Format Version: 6.1.2
6.2
Test Instruments
Description & Manufacturer
Test Receiver
ROHDE & SCHWARZ (V)
Test Receiver
ROHDE & SCHWARZ (H)
BILOG Antenna
SCHWARZBECK (V)
BILOG Antenna
SCHWARZBECK (H)
Preamplifier
Sonoma (V)
Preamplifier
Sonoma (H)
RF signal cable (with 5dB
PAD)
Times (V)
RF signal cable (with 5dB
PAD)
Times (H)
Software
BV ADT
Antenna Tower (V)
Antenna Tower (H)
Turn Table
Controller (V)
Controller (H)
Model No.
Serial No.
Cal. Date
Cal. Due
ESR
101240
Oct. 24, 2017
Oct. 23, 2018
ESR
101264
Dec. 25, 2017
Dec. 24, 2018
VULB9168
9168-160
Nov. 29, 2017
Nov. 28, 2018
VULB9168
9168-156
Nov. 29, 2017
Nov. 28, 2018
310N
352924
Jul. 12, 2017
Jul. 11, 2018
310N
352923
Jul. 12, 2017
Jul. 11, 2018
LMR-600 (18M)
+LMR-400 (7M)
CABLE-CH1 (VER)
-01
Oct. 24, 2017
Oct. 23, 2018
LMR-600 (11.8M)
+LMR-400 (7M)
CABLE-CH1 (HOR)
-01
Oct. 24, 2017
Oct. 23, 2018
NA
NA
NA
9707
970705
50303
074
08093
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
BV ADT_Radiated_
V8.7.08
MFA-440
MFA-440
DS430
MF7802
MF7802
NOTE: 1. The calibration interval of the above test instruments is 12 months and the calibrations are
traceable to NML/ROC and NIST/USA.
2. The test was performed in HwaYa Chamber 1.
3. The IC Site Registration No. is IC 7450F-1.
4. The VCCI Site Registration No. is R-1893.
Report No.: FC180528C19
Page No. 15 / 27
Report Format Version: 6.1.2
6.3
Test Arrangement
a. The EUT was placed on the top of a rotating table 0.8 meters above the ground at an accredited test
facility. The table was rotated 360 degrees to determine the position of the highest radiation.
b. The EUT was set 10 meters away from the interference-receiving antenna, which was mounted on the top
of a variable-height antenna tower.
c. The antenna is a broadband antenna, and its height is varied from one meter to four meters above the
ground to determine the maximum value of the field strength. Both horizontal and vertical polarizations of
the antenna are set to make the measurement.
d. For each suspected emission, the EUT was arranged to its worst case and then the antenna was tuned to
heights from 1 meter to 4 meters and the rotatable table was turned from 0 degrees to 360 degrees to find
the maximum reading.
e. The test-receiver system was set to quasi-peak detect function and specified bandwidth with maximum
hold mode when the test frequency is below 1 GHz.
Note: The resolution bandwidth and video bandwidth of test receiver/spectrum analyzer is 120 kHz for
quasi-peak detection (QP) at frequency below 1 GHz.
Report No.: FC180528C19
Page No. 16 / 27
Report Format Version: 6.1.2
6.4
Test Results
Frequency Range
Environmental
Conditions
Tested by
No
Frequency
(MHz)
37.28
99.99
154.80
299.96
894.75
932.58
30MHz ~ 1GHz
Detector Function &
Resolution
Bandwidth
Quasi-Peak (QP), 120kHz
25℃, 65%RH
Test Date
2018/6/8
James Chang
Test Mode
Mode 6
Antenna Polarity & Test Distance : Horizontal at 10 m
Emission
Antenna
Table
Limit
Margin
Level
Height
Angle
(dBuV/m)
(dB)
(dBuV/m)
(m)
(Degree)
18.63 QP
30.00
-11.37
1.00 H
286
20.61 QP
30.00
-9.39
4.00 H
117
17.79 QP
30.00
-12.21
2.00 H
163
25.52 QP
37.00
-11.48
3.50 H
27
28.08 QP
37.00
-8.92
1.00 H
251
28.40 QP
37.00
-8.60
2.00 H
234
Raw
Value
(dBuV)
32.89
38.27
30.93
37.80
28.76
28.27
Correction
Factor
(dB/m)
-14.26
-17.66
-13.14
-12.28
-0.68
0.13
Remarks:
1. Emission Level(dBuV/m) = Raw Value(dBuV) + Correction Factor(dB/m)
2. Correction Factor(dB/m) = Antenna Factor (dB/m) + Cable Factor (dB)
– Pre-Amplifier Factor (dB)
3. The other emission levels were very low against the limit.
4. Margin value = Emission level – Limit value
Report No.: FC180528C19
Page No. 17 / 27
Report Format Version: 6.1.2
Frequency Range
Environmental
Conditions
Tested by
No
Frequency
(MHz)
36.31
99.99
176.87
300.01
499.99
862.54
30MHz ~ 1GHz
Detector Function &
Resolution
Bandwidth
Quasi-Peak (QP), 120kHz
25℃, 65%RH
Test Date
2018/6/8
James Chang
Test Mode
Mode 6
Antenna Polarity & Test Distance : Vertical at 10 m
Emission
Antenna
Table
Limit
Margin
Level
Height
Angle
(dBuV/m)
(dB)
(dBuV/m)
(m)
(Degree)
19.28 QP
30.00
-10.72
2.00 V
273
21.49 QP
30.00
-8.51
1.50 V
33
20.90 QP
30.00
-9.10
1.00 V
161
27.46 QP
37.00
-9.54
1.00 V
288
26.99 QP
37.00
-10.01
1.00 V
185
28.39 QP
37.00
-8.61
3.00 V
291
Raw
Value
(dBuV)
33.70
39.31
34.97
39.58
34.37
29.09
Correction
Factor
(dB/m)
-14.42
-17.82
-14.07
-12.12
-7.38
-0.70
Remarks:
1. Emission Level(dBuV/m) = Raw Value(dBuV) + Correction Factor(dB/m)
2. Correction Factor(dB/m) = Antenna Factor (dB/m) + Cable Factor (dB)
– Pre-Amplifier Factor (dB)
3. The other emission levels were very low against the limit.
4. Margin value = Emission level – Limit value
Report No.: FC180528C19
Page No. 18 / 27
Report Format Version: 6.1.2
7
Radiated Emissions above 1 GHz
7.1
Limits
Emissions radiated outside of the specified bands, shall be according to the general radiated limits as
following:
Radiated Emissions Limits at 10 meters (dBμV/m)
Frequencies
(MHz)
FCC 15B / ICES-003,
Class A
FCC 15B / ICES-003,
Class B
CISPR 22, Class A
CISPR 22, Class B
1000-3000
Avg: 49.5
Avg: 43.5
Not defined
Not defined
Above 3000
Peak: 69.5
Peak: 63.5
Not defined
Not defined
Radiated Emissions Limits at 3 meters (dBμV/m)
Frequencies
FCC 15B / ICES-003,
FCC 15B / ICES-003,
(MHz)
Class A
Class B
1000-3000
CISPR 22, Class A
CISPR 22, Class B
Avg: 56
Avg: 50
Avg: 60
Avg: 54
Peak: 76
Peak: 70
Peak: 80
Peak: 74
Avg: 60
Avg: 54
Peak: 80
Peak: 74
Above 3000
Notes:
1. The lower limit shall apply at the transition frequencies.
2. Emission level (dBuV/m) = 20 log Emission level (uV/m).
3. As shown in 15.35(b), for frequencies above 1000 MHz, the field strength limits are based on average
detector, however, the peak field strength of any emission shall not exceed the maximum permitted
average limits, specified above by more than 20 dB under any condition of modulation.
Radiated Emissions Limits at 1.5 meters (dBμV/m)
Frequencies
FCC 15B / ICES-003,
FCC 15B / ICES-003,
(MHz)
Class A
Class B
Avg: 66
Avg: 60
Peak: 86
Peak: 80
Above 18000
Note:
Limit@1.5m = Limit@3m + 20log(3/1.5)
Frequency Range (For unintentional radiators)
Highest frequency generated or used in the device
or on which the device operates or tunes (MHz)
Upper frequency of measurement range (MHz)
Below 1.705
30
1.705-108
1000
108-500
2000
500-1000
5000
Above 1000
5 harmonic of the highest frequency or 40 GHz,
whichever is lower
th
Report No.: FC180528C19
Page No. 19 / 27
Report Format Version: 6.1.2
7.2
Test Instruments
Description &
Manufacturer
Model No.
Serial No.
Cal. Date
Cal. Due
Test Receiver
ROHDE & SCHWARZ
ESR7
101471
Mar. 01, 2018 Feb. 28, 2019
(Above 1GHz)
Spectrum Analyzer
E4446A
MY51100039
Sep. 05, 2017 Sep. 04, 2018
Agilent
RF signal cable (with 5dB
PAD)
LMR-400 (18M)
CABLE-CH2-01
Apr. 27, 2018 Apr. 26, 2019
Times
HORN Antenna (with 4dB
PAD)
BBHA 9120 D
9120D-405
Dec. 01, 2017 Nov. 30, 2018
SCHWARZBECK
Preamplifier
Agilent
8449B
3008A01922
Sep. 15, 2017 Sep. 14, 2018
(Above 1GHz)
RF Coaxial Cable
JUNFLON+EMC10 Cable-CH2-02(MWX3221308
Jun. 12, 2017 Jun. 11, 2018
JUNFLON+EMC
4-SM-SM-6000
G003+130710)
BV
Software
ADT_Radiated_
NA
NA
NA
BV ADT
V8.7.08
Antenna Tower
AT100
AT93021702
NA
NA
BV ADT
Turn Table
TT100
TT93021702
NA
NA
BV ADT
Controller
SC100
SC93021702
NA
NA
BV ADT
RF Coaxial Cable
EMC102-KM-KM-1
170820
Aug. 29, 2017 Aug. 28, 2018
EMCI
000
RF Coaxial Cable
EMC102-KM-KM-3
170818
Aug. 29, 2017 Aug. 28, 2018
EMCI
000
Fix tool for Boresight
BAF-01
NA
NA
antenna
Pre-amplifier
(18GHz-40GHz)
EMC184045B
980175
Nov. 14, 2017 Nov. 13, 2018
EMC
HORN Antenna (with 3dB
PAD)
BBHA 9170
148
Dec. 13, 2017 Dec. 12, 2018
SCHWARZBECK
Note: 1. The calibration interval of the above test instruments is 12 months and the calibrations are traceable
to NML/ROC and NIST/USA.
2. The test was performed in HwaYa Chamber 2.
3. The horn antenna and HP preamplifier (model: 8449B) are used only for the measurement of
emission frequency above 1GHz if tested.
4. The IC Site Registration No. is IC 7450F-2.
5. The VCCI Site Registration No. is G-18.
Report No.: FC180528C19
Page No. 20 / 27
Report Format Version: 6.1.2
7.3
Test Arrangement
a. The EUT was placed on the top of a rotating table 0.8 meters above the ground at an accredited chamber
room. The table was rotated 360 degrees to determine the position of the highest radiation.
b. For frequency range 1 GHz ~ 18 GHz, the EUT was set 3 meters away from the interference-receiving
antenna, which was mounted on the top of a variable-height antenna tower.
c. For frequency range 18 GHz ~ 40 GHz, the EUT was set 1.5 meters away from the interference-receiving
antenna, which was mounted on the top of a variable-height antenna tower.
d. The height of antenna can be varied from one meter to four meters, the height of adjustment depends on
the EUT height and the antenna 3 dB beamwidth both, to detect the maximum value of the field strength.
Both horizontal and vertical polarizations of the antenna are set to make the measurement.
e. For each suspected emission, the EUT was arranged to its worst case and then the antenna was tuned to
heights and the rotatable table was turned from 0 degrees to 360 degrees to find the maximum reading.
f.
The spectrum analyzer system was set to peak and average detect function and specified bandwidth with
maximum hold mode when the test frequency is above 1 GHz.
Note: The resolution bandwidth of test receiver/spectrum analyzer is 1 MHz and video bandwidth is 3 MHz for
Peak detection (PK) at frequency above 1 GHz. The resolution bandwidth of test receiver/spectrum
analyzer is 1 MHz for Average detection (AV) at frequency above 1 GHz.
Ant. Tower
EUT&
Support Units
3m or 1.5m
3m
Turn Table
1-4m*
Variable
Absorber
80cm
Ground Plane
Spectrum analyzer
Report No.: FC180528C19
Page No. 21 / 27
Report Format Version: 6.1.2
7.4
Test Results
Frequency Range
Environmental
Conditions
Tested by
No
Frequency
(MHz)
1609.11
1609.11
2329.30
2329.30
2939.47
2939.47
1GHz ~ 18GHz
Detector Function &
Resolution
Bandwidth
Peak (PK) /
Average (AV), 1MHz
22℃, 64%RH
Test Date
2018/6/8
Ben Huang
Test Mode
Mode 6
Antenna Polarity & Test Distance : Horizontal at 3 m
Emission
Antenna
Table
Limit
Margin
Level
Height
Angle
(dBuV/m)
(dB)
(dBuV/m)
(m)
(Degree)
44.25 PK
74.00
-29.75
1.32 H
37
30.83 AV
54.00
-23.17
1.32 H
37
43.86 PK
74.00
-30.14
1.75 H
312
28.34 AV
54.00
-25.66
1.75 H
312
44.85 PK
74.00
-29.15
1.00 H
332
29.23 AV
54.00
-24.77
1.00 H
332
Raw
Value
(dBuV)
46.39
32.97
42.08
26.56
41.68
26.06
Correction
Factor
(dB/m)
-2.14
-2.14
1.78
1.78
3.17
3.17
Remarks:
1. Emission Level(dBuV/m) = Raw Value(dBuV) + Correction Factor(dB/m)
2. Correction Factor(dB/m) = Antenna Factor (dB/m) + Cable Factor (dB)
– Pre-Amplifier Factor (dB)
3. The other emission levels were very low against the limit.
4. Margin value = Emission level – Limit value
Report No.: FC180528C19
Page No. 22 / 27
Report Format Version: 6.1.2
Frequency Range
Environmental
Conditions
Tested by
No
Frequency
(MHz)
1326.85
1326.85
2242.12
2242.12
3603.61
3603.61
1GHz ~ 18GHz
Detector Function &
Resolution
Bandwidth
Peak (PK) /
Average (AV), 1MHz
22℃, 64%RH
Test Date
2018/6/8
Ben Huang
Test Mode
Mode 6
Antenna Polarity & Test Distance : Vertical at 3 m
Emission
Antenna
Table
Limit
Margin
Level
Height
Angle
(dBuV/m)
(dB)
(dBuV/m)
(m)
(Degree)
41.18 PK
74.00
-32.82
1.26 V
97
26.23 AV
54.00
-27.77
1.26 V
97
43.80 PK
74.00
-30.20
1.00 V
137
28.55 AV
54.00
-25.45
1.00 V
137
46.13 PK
74.00
-27.87
1.38 V
218
33.74 AV
54.00
-20.26
1.38 V
218
Raw
Value
(dBuV)
43.59
28.64
41.94
26.69
41.74
29.35
Correction
Factor
(dB/m)
-2.41
-2.41
1.86
1.86
4.39
4.39
Remarks:
1. Emission Level(dBuV/m) = Raw Value(dBuV) + Correction Factor(dB/m)
2. Correction Factor(dB/m) = Antenna Factor (dB/m) + Cable Factor (dB)
– Pre-Amplifier Factor (dB)
3. The other emission levels were very low against the limit.
4. Margin value = Emission level – Limit value
Report No.: FC180528C19
Page No. 23 / 27
Report Format Version: 6.1.2
Frequency Range
Environmental
Conditions
Tested by
No
Frequency
(MHz)
24152.36
24152.36
18GHz ~ 40GHz
Detector Function &
Resolution
Bandwidth
Peak (PK) /
Average (AV), 1MHz
22℃, 64%RH
Test Date
2018/6/8
Ben Huang
Test Mode
Mode 6
Antenna Polarity & Test Distance : Horizontal at 1.5 m
Emission
Antenna
Table
Limit
Margin
Level
Height
Angle
(dBuV/m)
(dB)
(dBuV/m)
(m)
(Degree)
56.32 PK
80.00
-23.68
1.00 H
66
43.32 AV
60.00
-16.68
1.00 H
66
Raw
Value
(dBuV)
54.22
41.22
Correction
Factor
(dB/m)
2.10
2.10
Remarks:
1. Emission Level(dBuV/m) = Raw Value(dBuV) + Correction Factor(dB/m)
2. Correction Factor(dB/m) = Antenna Factor (dB/m) + Cable Factor (dB)
– Pre-Amplifier Factor (dB)
3. The other emission levels were very low against the limit.
4. Margin value = Emission level – Limit value
Report No.: FC180528C19
Page No. 24 / 27
Report Format Version: 6.1.2
Frequency Range
Environmental
Conditions
Tested by
No
Frequency
(MHz)
22154.65
22154.65
18GHz ~ 40GHz
Detector Function &
Resolution
Bandwidth
Peak (PK) /
Average (AV), 1MHz
22℃, 64%RH
Test Date
2018/6/8
Ben Huang
Test Mode
Mode 6
Antenna Polarity & Test Distance : Vertical at 1.5 m
Emission
Antenna
Table
Limit
Margin
Level
Height
Angle
(dBuV/m)
(dB)
(dBuV/m)
(m)
(Degree)
53.62 PK
80.00
-26.38
1.00 V
215
43.70 AV
60.00
-16.30
1.00 V
215
Raw
Value
(dBuV)
54.29
44.37
Correction
Factor
(dB/m)
-0.67
-0.67
Remarks:
1. Emission Level(dBuV/m) = Raw Value(dBuV) + Correction Factor(dB/m)
2. Correction Factor(dB/m) = Antenna Factor (dB/m) + Cable Factor (dB)
– Pre-Amplifier Factor (dB)
3. The other emission levels were very low against the limit.
4. Margin value = Emission level – Limit value
Report No.: FC180528C19
Page No. 25 / 27
Report Format Version: 6.1.2
8
Pictures of Test Arrangements
Refer to Test Set Up Photo.pdf.
Report No.: FC180528C19
Page No. 26 / 27
Report Format Version: 6.1.2
Appendix – Information on the Testing Laboratories
We, Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, were founded in 1988 to
provide our best service in EMC, Radio, Telecom and Safety consultation. Our laboratories are FCC
recognized accredited test firms and accredited according to ISO/IEC 17025.
If you have any comments, please feel free to contact us at the following:
Linko EMC/RF Lab
Hsin Chu EMC/RF/Telecom Lab
Tel: 886-2-26052180
Tel: 886-3-6668565
Fax: 886-2-26051924
Fax: 886-3-6668323
Hwa Ya EMC/RF/Safety Lab
Tel: 886-3-3183232
Fax: 886-3-3270892
Email: service.adt@tw.bureauveritas.com
Web Site: www.bureauveritas-adt.com
The address and road map of all our labs can be found in our web site also.
--- END ---
Report No.: FC180528C19
Page No. 27 / 27
Report Format Version: 6.1.2
Download: TBX705F Portable Tablet Computer Test Report Report_FCC15B 0719 Lenovo (Shanghai) Electronics Technology
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